/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-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-2_1-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 11:00:28,154 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 11:00:28,157 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 11:00:28,193 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 11:00:28,193 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 11:00:28,196 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 11:00:28,198 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 11:00:28,203 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 11:00:28,205 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 11:00:28,209 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 11:00:28,210 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 11:00:28,211 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-26 11:00:28,211 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 11:00:28,213 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 11:00:28,214 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 11:00:28,215 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 11:00:28,217 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 11:00:28,218 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 11:00:28,220 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 11:00:28,227 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 11:00:28,229 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 11:00:28,230 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 11:00:28,231 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 11:00:28,232 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 11:00:28,237 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-26 11:00:28,238 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-26 11:00:28,238 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-26 11:00:28,239 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-26 11:00:28,240 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-26 11:00:28,240 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-26 11:00:28,241 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-26 11:00:28,241 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-26 11:00:28,256 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-26 11:00:28,257 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-26 11:00:28,257 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-26 11:00:28,257 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-26 11:00:28,258 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-26 11:00:28,258 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-26 11:00:28,258 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 11:00:28,259 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 11:00:28,259 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 11:00:28,260 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-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2021-03-26 11:00:28,296 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 11:00:28,296 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 11:00:28,299 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 11:00:28,300 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 11:00:28,300 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 11:00:28,300 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 11:00:28,300 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 11:00:28,300 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 11:00:28,300 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 11:00:28,300 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 11:00:28,301 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 11:00:28,301 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 11:00:28,301 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 11:00:28,302 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 11:00:28,302 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 11:00:28,302 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 11:00:28,302 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 11:00:28,302 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 11:00:28,302 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 11:00:28,302 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 11:00:28,302 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 11:00:28,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 11:00:28,303 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 11:00:28,303 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 11:00:28,303 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 11:00:28,303 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 11:00:28,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 11:00:28,303 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-03-26 11:00:28,303 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 11:00:28,304 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 11:00:28,304 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 11:00:28,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 11:00:28,651 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 11:00:28,653 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 11:00:28,654 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-26 11:00:28,655 INFO L275 PluginConnector]: CDTParser initialized [2021-03-26 11:00:28,656 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_1-container_of.i [2021-03-26 11:00:28,725 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18eb1156c/524d26413a684b4f859e42fd709e88d2/FLAG849fb4ac6 [2021-03-26 11:00:29,304 INFO L306 CDTParser]: Found 1 translation units. [2021-03-26 11:00:29,304 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_1-container_of.i [2021-03-26 11:00:29,321 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18eb1156c/524d26413a684b4f859e42fd709e88d2/FLAG849fb4ac6 [2021-03-26 11:00:29,698 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18eb1156c/524d26413a684b4f859e42fd709e88d2 [2021-03-26 11:00:29,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 11:00:29,703 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-26 11:00:29,706 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-26 11:00:29,706 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-26 11:00:29,709 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-26 11:00:29,709 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 11:00:29" (1/1) ... [2021-03-26 11:00:29,711 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43a89793 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 11:00:29, skipping insertion in model container [2021-03-26 11:00:29,711 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 11:00:29" (1/1) ... [2021-03-26 11:00:29,721 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-26 11:00:29,785 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-26 11:00:30,248 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-2_1-container_of.i[76077,76090] [2021-03-26 11:00:30,267 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 11:00:30,273 INFO L203 MainTranslator]: Completed pre-run [2021-03-26 11:00:30,302 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-2_1-container_of.i[76077,76090] [2021-03-26 11:00:30,309 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 11:00:30,559 INFO L208 MainTranslator]: Completed translation [2021-03-26 11:00:30,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 11:00:30 WrapperNode [2021-03-26 11:00:30,560 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-26 11:00:30,561 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 11:00:30,561 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 11:00:30,561 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 11:00:30,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 11:00:30" (1/1) ... [2021-03-26 11:00:30,596 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 11:00:30" (1/1) ... [2021-03-26 11:00:30,617 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 11:00:30,618 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 11:00:30,618 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 11:00:30,618 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 11:00:30,625 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 11:00:30" (1/1) ... [2021-03-26 11:00:30,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 11:00:30" (1/1) ... [2021-03-26 11:00:30,629 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 11:00:30" (1/1) ... [2021-03-26 11:00:30,630 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 11:00:30" (1/1) ... [2021-03-26 11:00:30,642 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 11:00:30" (1/1) ... [2021-03-26 11:00:30,644 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 11:00:30" (1/1) ... [2021-03-26 11:00:30,648 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 11:00:30" (1/1) ... [2021-03-26 11:00:30,653 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 11:00:30,654 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 11:00:30,654 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 11:00:30,654 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 11:00:30,655 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 11:00:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 11:00:30,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-26 11:00:30,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-26 11:00:30,712 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-03-26 11:00:30,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-03-26 11:00:30,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 11:00:30,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 11:00:30,712 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2021-03-26 11:00:30,712 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2021-03-26 11:00:30,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-26 11:00:30,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-26 11:00:30,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-26 11:00:30,714 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-26 11:00:31,256 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 11:00:31,257 INFO L299 CfgBuilder]: Removed 24 assume(true) statements. [2021-03-26 11:00:31,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 11:00:31 BoogieIcfgContainer [2021-03-26 11:00:31,258 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 11:00:31,259 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 11:00:31,260 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 11:00:31,262 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 11:00:31,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.03 11:00:29" (1/3) ... [2021-03-26 11:00:31,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@152c2edb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 11:00:31, skipping insertion in model container [2021-03-26 11:00:31,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 11:00:30" (2/3) ... [2021-03-26 11:00:31,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@152c2edb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 11:00:31, skipping insertion in model container [2021-03-26 11:00:31,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 11:00:31" (3/3) ... [2021-03-26 11:00:31,264 INFO L111 eAbstractionObserver]: Analyzing ICFG race-2_1-container_of.i [2021-03-26 11:00:31,269 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 11:00:31,273 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2021-03-26 11:00:31,274 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 11:00:31,314 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,314 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,314 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,314 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,314 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,315 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,315 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,315 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,315 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,315 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,315 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,316 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,316 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,316 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,316 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,316 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,316 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,317 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,318 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,318 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,318 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,318 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,318 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,318 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,319 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,319 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,319 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,319 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,319 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,319 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,320 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,320 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,320 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,320 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,320 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,320 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,321 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,321 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,321 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,321 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,322 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,322 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,323 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,324 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,324 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,324 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,324 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,324 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,324 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,324 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,324 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,325 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,325 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,325 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,325 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,325 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,325 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,325 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,325 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,326 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,326 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,326 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,326 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,326 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,326 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,326 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,327 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,327 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,327 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,327 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,328 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,328 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,328 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,328 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,328 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,328 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,328 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,328 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,329 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,329 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,330 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,330 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,330 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,330 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,330 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,330 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,330 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,331 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,331 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,331 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,331 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,331 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,331 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,331 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,331 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,332 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,332 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,332 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,332 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,332 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,333 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,333 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,335 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,335 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,335 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,336 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,340 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,340 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,340 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,340 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,340 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,340 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,341 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,341 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,341 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,341 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,341 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,341 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,341 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,342 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,342 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,342 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,342 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,342 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,342 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,342 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,342 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,343 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,343 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,343 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,343 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,343 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,343 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,343 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,343 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,343 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,344 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,344 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,344 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,344 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,346 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,346 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,346 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,347 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,347 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,347 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,347 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,347 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,347 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,347 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,347 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,348 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,352 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,352 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,352 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,352 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,352 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,352 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,353 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,353 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,353 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,353 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,353 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,353 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:00:31,363 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-03-26 11:00:31,378 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-03-26 11:00:31,434 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 11:00:31,434 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 11:00:31,435 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 11:00:31,435 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 11:00:31,436 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 11:00:31,436 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 11:00:31,436 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 11:00:31,436 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 11:00:31,453 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 161 places, 165 transitions, 352 flow [2021-03-26 11:00:31,538 INFO L129 PetriNetUnfolder]: 11/205 cut-off events. [2021-03-26 11:00:31,539 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-26 11:00:31,543 INFO L84 FinitePrefix]: Finished finitePrefix Result has 216 conditions, 205 events. 11/205 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 419 event pairs, 0 based on Foata normal form. 0/185 useless extension candidates. Maximal degree in co-relation 115. Up to 4 conditions per place. [2021-03-26 11:00:31,543 INFO L82 GeneralOperation]: Start removeDead. Operand has 161 places, 165 transitions, 352 flow [2021-03-26 11:00:31,565 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 151 places, 153 transitions, 324 flow [2021-03-26 11:00:31,566 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:00:31,579 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 151 places, 153 transitions, 324 flow [2021-03-26 11:00:31,582 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 151 places, 153 transitions, 324 flow [2021-03-26 11:00:31,590 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 151 places, 153 transitions, 324 flow [2021-03-26 11:00:31,638 INFO L129 PetriNetUnfolder]: 8/186 cut-off events. [2021-03-26 11:00:31,638 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-26 11:00:31,640 INFO L84 FinitePrefix]: Finished finitePrefix Result has 197 conditions, 186 events. 8/186 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 360 event pairs, 0 based on Foata normal form. 0/171 useless extension candidates. Maximal degree in co-relation 105. Up to 4 conditions per place. [2021-03-26 11:00:31,644 INFO L142 LiptonReduction]: Number of co-enabled transitions 2492 [2021-03-26 11:00:46,769 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 3 [2021-03-26 11:00:51,541 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-03-26 11:01:13,101 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2021-03-26 11:01:21,064 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 3 [2021-03-26 11:01:31,145 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2021-03-26 11:01:45,344 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2021-03-26 11:01:50,054 INFO L154 LiptonReduction]: Checked pairs total: 3461 [2021-03-26 11:01:50,054 INFO L156 LiptonReduction]: Total number of compositions: 113 [2021-03-26 11:01:50,056 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 78491 [2021-03-26 11:01:50,063 INFO L129 PetriNetUnfolder]: 0/8 cut-off events. [2021-03-26 11:01:50,063 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 11:01:50,064 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:01:50,064 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:01:50,064 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 11:01:50,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:01:50,068 INFO L82 PathProgramCache]: Analyzing trace with hash 1316921901, now seen corresponding path program 1 times [2021-03-26 11:01:50,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:01:50,074 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624699357] [2021-03-26 11:01:50,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:01:50,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:01:50,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:01:50,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 11:01:50,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:01:50,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 11:01:50,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:01:50,402 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624699357] [2021-03-26 11:01:50,403 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:01:50,403 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 11:01:50,403 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074600785] [2021-03-26 11:01:50,409 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 11:01:50,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:01:50,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 11:01:50,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 11:01:50,427 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 278 [2021-03-26 11:01:50,433 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 66 transitions, 150 flow. Second operand has 3 states, 3 states have (on average 189.0) internal successors, (567), 3 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:01:50,433 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:01:50,436 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 278 [2021-03-26 11:01:50,437 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:01:50,561 INFO L129 PetriNetUnfolder]: 170/401 cut-off events. [2021-03-26 11:01:50,561 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-03-26 11:01:50,563 INFO L84 FinitePrefix]: Finished finitePrefix Result has 737 conditions, 401 events. 170/401 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1926 event pairs, 165 based on Foata normal form. 19/376 useless extension candidates. Maximal degree in co-relation 634. Up to 314 conditions per place. [2021-03-26 11:01:50,572 INFO L132 encePairwiseOnDemand]: 270/278 looper letters, 28 selfloop transitions, 4 changer transitions 3/65 dead transitions. [2021-03-26 11:01:50,572 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 65 transitions, 216 flow [2021-03-26 11:01:50,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 11:01:50,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 11:01:50,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 599 transitions. [2021-03-26 11:01:50,592 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7182254196642686 [2021-03-26 11:01:50,593 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 599 transitions. [2021-03-26 11:01:50,593 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 599 transitions. [2021-03-26 11:01:50,597 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:01:50,598 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 599 transitions. [2021-03-26 11:01:50,606 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 199.66666666666666) internal successors, (599), 3 states have internal predecessors, (599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:01:50,616 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:01:50,617 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:01:50,618 INFO L185 Difference]: Start difference. First operand has 66 places, 66 transitions, 150 flow. Second operand 3 states and 599 transitions. [2021-03-26 11:01:50,619 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 65 transitions, 216 flow [2021-03-26 11:01:50,623 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 65 transitions, 204 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-26 11:01:50,625 INFO L241 Difference]: Finished difference. Result has 63 places, 62 transitions, 148 flow [2021-03-26 11:01:50,626 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=148, PETRI_PLACES=63, PETRI_TRANSITIONS=62} [2021-03-26 11:01:50,627 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -3 predicate places. [2021-03-26 11:01:50,627 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:01:50,627 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 62 transitions, 148 flow [2021-03-26 11:01:50,628 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 62 transitions, 148 flow [2021-03-26 11:01:50,629 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 62 transitions, 148 flow [2021-03-26 11:01:50,639 INFO L129 PetriNetUnfolder]: 4/96 cut-off events. [2021-03-26 11:01:50,639 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-26 11:01:50,641 INFO L84 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 96 events. 4/96 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 263 event pairs, 0 based on Foata normal form. 0/89 useless extension candidates. Maximal degree in co-relation 43. Up to 9 conditions per place. [2021-03-26 11:01:50,642 INFO L142 LiptonReduction]: Number of co-enabled transitions 452 [2021-03-26 11:02:10,434 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2021-03-26 11:02:10,635 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2021-03-26 11:02:10,785 INFO L154 LiptonReduction]: Checked pairs total: 1240 [2021-03-26 11:02:10,785 INFO L156 LiptonReduction]: Total number of compositions: 26 [2021-03-26 11:02:10,785 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 20158 [2021-03-26 11:02:10,786 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 41 transitions, 109 flow [2021-03-26 11:02:10,787 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 189.0) internal successors, (567), 3 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:10,787 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:02:10,787 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:02:10,787 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 11:02:10,787 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 11:02:10,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:02:10,788 INFO L82 PathProgramCache]: Analyzing trace with hash -1453419847, now seen corresponding path program 1 times [2021-03-26 11:02:10,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:02:10,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268188651] [2021-03-26 11:02:10,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:02:10,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:02:10,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:02:10,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 11:02:10,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:02:10,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 11:02:10,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:02:10,886 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268188651] [2021-03-26 11:02:10,886 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:02:10,886 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 11:02:10,886 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912793993] [2021-03-26 11:02:10,887 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 11:02:10,887 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:02:10,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 11:02:10,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 11:02:10,890 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 304 [2021-03-26 11:02:10,890 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 41 transitions, 109 flow. Second operand has 3 states, 3 states have (on average 194.33333333333334) internal successors, (583), 3 states have internal predecessors, (583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:10,890 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:02:10,890 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 304 [2021-03-26 11:02:10,891 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:02:10,980 INFO L129 PetriNetUnfolder]: 170/366 cut-off events. [2021-03-26 11:02:10,980 INFO L130 PetriNetUnfolder]: For 49/51 co-relation queries the response was YES. [2021-03-26 11:02:10,981 INFO L84 FinitePrefix]: Finished finitePrefix Result has 743 conditions, 366 events. 170/366 cut-off events. For 49/51 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1675 event pairs, 165 based on Foata normal form. 0/343 useless extension candidates. Maximal degree in co-relation 689. Up to 312 conditions per place. [2021-03-26 11:02:10,983 INFO L132 encePairwiseOnDemand]: 299/304 looper letters, 24 selfloop transitions, 4 changer transitions 1/41 dead transitions. [2021-03-26 11:02:10,983 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 41 transitions, 164 flow [2021-03-26 11:02:10,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 11:02:10,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 11:02:10,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 606 transitions. [2021-03-26 11:02:10,985 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6644736842105263 [2021-03-26 11:02:10,985 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 606 transitions. [2021-03-26 11:02:10,985 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 606 transitions. [2021-03-26 11:02:10,986 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:02:10,986 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 606 transitions. [2021-03-26 11:02:10,987 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 202.0) internal successors, (606), 3 states have internal predecessors, (606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:10,989 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 304.0) internal successors, (1216), 4 states have internal predecessors, (1216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:10,990 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 304.0) internal successors, (1216), 4 states have internal predecessors, (1216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:10,990 INFO L185 Difference]: Start difference. First operand has 40 places, 41 transitions, 109 flow. Second operand 3 states and 606 transitions. [2021-03-26 11:02:10,990 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 41 transitions, 164 flow [2021-03-26 11:02:10,991 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 41 transitions, 160 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 11:02:10,992 INFO L241 Difference]: Finished difference. Result has 40 places, 40 transitions, 108 flow [2021-03-26 11:02:10,992 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=108, PETRI_PLACES=40, PETRI_TRANSITIONS=40} [2021-03-26 11:02:10,992 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -26 predicate places. [2021-03-26 11:02:10,992 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:02:10,992 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 40 transitions, 108 flow [2021-03-26 11:02:10,993 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 40 transitions, 108 flow [2021-03-26 11:02:10,993 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 40 transitions, 108 flow [2021-03-26 11:02:10,997 INFO L129 PetriNetUnfolder]: 4/55 cut-off events. [2021-03-26 11:02:10,997 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-26 11:02:10,997 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 55 events. 4/55 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 127 event pairs, 1 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 41. Up to 9 conditions per place. [2021-03-26 11:02:10,998 INFO L142 LiptonReduction]: Number of co-enabled transitions 266 [2021-03-26 11:02:11,292 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-03-26 11:02:12,200 WARN L205 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 147 [2021-03-26 11:02:12,445 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2021-03-26 11:02:13,012 WARN L205 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 147 [2021-03-26 11:02:13,303 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2021-03-26 11:02:13,460 INFO L154 LiptonReduction]: Checked pairs total: 925 [2021-03-26 11:02:13,460 INFO L156 LiptonReduction]: Total number of compositions: 7 [2021-03-26 11:02:13,460 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2468 [2021-03-26 11:02:13,461 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 35 transitions, 98 flow [2021-03-26 11:02:13,462 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 194.33333333333334) internal successors, (583), 3 states have internal predecessors, (583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:13,462 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:02:13,462 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:02:13,462 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 11:02:13,462 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 11:02:13,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:02:13,463 INFO L82 PathProgramCache]: Analyzing trace with hash -639054003, now seen corresponding path program 1 times [2021-03-26 11:02:13,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:02:13,463 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809493301] [2021-03-26 11:02:13,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:02:13,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:02:13,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:02:13,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 11:02:13,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:02:13,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 11:02:13,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:02:13,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 11:02:13,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:02:13,530 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809493301] [2021-03-26 11:02:13,531 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:02:13,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 11:02:13,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691410362] [2021-03-26 11:02:13,531 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 11:02:13,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:02:13,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 11:02:13,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 11:02:13,533 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 311 [2021-03-26 11:02:13,546 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 35 transitions, 98 flow. Second operand has 3 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:13,546 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:02:13,546 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 311 [2021-03-26 11:02:13,546 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:02:13,648 INFO L129 PetriNetUnfolder]: 241/491 cut-off events. [2021-03-26 11:02:13,648 INFO L130 PetriNetUnfolder]: For 61/65 co-relation queries the response was YES. [2021-03-26 11:02:13,649 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1005 conditions, 491 events. 241/491 cut-off events. For 61/65 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 2488 event pairs, 94 based on Foata normal form. 0/468 useless extension candidates. Maximal degree in co-relation 957. Up to 340 conditions per place. [2021-03-26 11:02:13,651 INFO L132 encePairwiseOnDemand]: 304/311 looper letters, 26 selfloop transitions, 7 changer transitions 0/44 dead transitions. [2021-03-26 11:02:13,651 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 44 transitions, 184 flow [2021-03-26 11:02:13,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 11:02:13,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 11:02:13,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 586 transitions. [2021-03-26 11:02:13,653 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6280814576634512 [2021-03-26 11:02:13,654 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 586 transitions. [2021-03-26 11:02:13,654 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 586 transitions. [2021-03-26 11:02:13,654 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:02:13,654 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 586 transitions. [2021-03-26 11:02:13,656 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:13,657 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 311.0) internal successors, (1244), 4 states have internal predecessors, (1244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:13,658 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 311.0) internal successors, (1244), 4 states have internal predecessors, (1244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:13,658 INFO L185 Difference]: Start difference. First operand has 35 places, 35 transitions, 98 flow. Second operand 3 states and 586 transitions. [2021-03-26 11:02:13,658 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 44 transitions, 184 flow [2021-03-26 11:02:13,660 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 44 transitions, 176 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 11:02:13,661 INFO L241 Difference]: Finished difference. Result has 36 places, 39 transitions, 131 flow [2021-03-26 11:02:13,661 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=311, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=131, PETRI_PLACES=36, PETRI_TRANSITIONS=39} [2021-03-26 11:02:13,661 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -30 predicate places. [2021-03-26 11:02:13,661 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:02:13,662 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 39 transitions, 131 flow [2021-03-26 11:02:13,662 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 39 transitions, 131 flow [2021-03-26 11:02:13,663 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 39 transitions, 131 flow [2021-03-26 11:02:13,677 INFO L129 PetriNetUnfolder]: 31/147 cut-off events. [2021-03-26 11:02:13,677 INFO L130 PetriNetUnfolder]: For 37/37 co-relation queries the response was YES. [2021-03-26 11:02:13,677 INFO L84 FinitePrefix]: Finished finitePrefix Result has 253 conditions, 147 events. 31/147 cut-off events. For 37/37 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 687 event pairs, 9 based on Foata normal form. 0/143 useless extension candidates. Maximal degree in co-relation 78. Up to 53 conditions per place. [2021-03-26 11:02:13,678 INFO L142 LiptonReduction]: Number of co-enabled transitions 292 [2021-03-26 11:02:21,631 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 177 DAG size of output: 173 [2021-03-26 11:02:22,351 WARN L205 SmtUtils]: Spent 718.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2021-03-26 11:02:24,189 WARN L205 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 180 DAG size of output: 176 [2021-03-26 11:02:25,032 WARN L205 SmtUtils]: Spent 841.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2021-03-26 11:02:25,687 WARN L205 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2021-03-26 11:02:26,009 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2021-03-26 11:02:26,783 WARN L205 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 168 [2021-03-26 11:02:27,141 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2021-03-26 11:02:34,017 INFO L154 LiptonReduction]: Checked pairs total: 498 [2021-03-26 11:02:34,017 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 11:02:34,017 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 20356 [2021-03-26 11:02:34,018 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 38 transitions, 131 flow [2021-03-26 11:02:34,019 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:34,019 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:02:34,019 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2021-03-26 11:02:34,019 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 11:02:34,019 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 11:02:34,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:02:34,020 INFO L82 PathProgramCache]: Analyzing trace with hash -676265951, now seen corresponding path program 1 times [2021-03-26 11:02:34,020 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:02:34,020 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827847263] [2021-03-26 11:02:34,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:02:34,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:02:34,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:02:34,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 11:02:34,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:02:34,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 11:02:34,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:02:34,062 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827847263] [2021-03-26 11:02:34,062 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:02:34,062 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 11:02:34,063 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265300274] [2021-03-26 11:02:34,063 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 11:02:34,063 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:02:34,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 11:02:34,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 11:02:34,064 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 313 [2021-03-26 11:02:34,065 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 38 transitions, 131 flow. Second operand has 3 states, 3 states have (on average 187.0) internal successors, (561), 3 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:34,065 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:02:34,065 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 313 [2021-03-26 11:02:34,065 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:02:34,169 INFO L129 PetriNetUnfolder]: 268/537 cut-off events. [2021-03-26 11:02:34,169 INFO L130 PetriNetUnfolder]: For 256/262 co-relation queries the response was YES. [2021-03-26 11:02:34,170 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1405 conditions, 537 events. 268/537 cut-off events. For 256/262 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 2843 event pairs, 108 based on Foata normal form. 32/563 useless extension candidates. Maximal degree in co-relation 293. Up to 376 conditions per place. [2021-03-26 11:02:34,172 INFO L132 encePairwiseOnDemand]: 307/313 looper letters, 27 selfloop transitions, 9 changer transitions 3/50 dead transitions. [2021-03-26 11:02:34,173 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 50 transitions, 259 flow [2021-03-26 11:02:34,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 11:02:34,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 11:02:34,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 584 transitions. [2021-03-26 11:02:34,175 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6219382321618744 [2021-03-26 11:02:34,175 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 584 transitions. [2021-03-26 11:02:34,175 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 584 transitions. [2021-03-26 11:02:34,175 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:02:34,175 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 584 transitions. [2021-03-26 11:02:34,177 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 194.66666666666666) internal successors, (584), 3 states have internal predecessors, (584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:34,178 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 313.0) internal successors, (1252), 4 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:34,179 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 313.0) internal successors, (1252), 4 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:34,179 INFO L185 Difference]: Start difference. First operand has 35 places, 38 transitions, 131 flow. Second operand 3 states and 584 transitions. [2021-03-26 11:02:34,179 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 50 transitions, 259 flow [2021-03-26 11:02:34,180 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 50 transitions, 244 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-03-26 11:02:34,181 INFO L241 Difference]: Finished difference. Result has 37 places, 43 transitions, 187 flow [2021-03-26 11:02:34,181 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=187, PETRI_PLACES=37, PETRI_TRANSITIONS=43} [2021-03-26 11:02:34,182 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -29 predicate places. [2021-03-26 11:02:34,182 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:02:34,182 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 43 transitions, 187 flow [2021-03-26 11:02:34,182 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 43 transitions, 187 flow [2021-03-26 11:02:34,182 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 43 transitions, 187 flow [2021-03-26 11:02:34,198 INFO L129 PetriNetUnfolder]: 74/224 cut-off events. [2021-03-26 11:02:34,198 INFO L130 PetriNetUnfolder]: For 127/129 co-relation queries the response was YES. [2021-03-26 11:02:34,198 INFO L84 FinitePrefix]: Finished finitePrefix Result has 534 conditions, 224 events. 74/224 cut-off events. For 127/129 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1150 event pairs, 11 based on Foata normal form. 0/219 useless extension candidates. Maximal degree in co-relation 191. Up to 113 conditions per place. [2021-03-26 11:02:34,200 INFO L142 LiptonReduction]: Number of co-enabled transitions 312 [2021-03-26 11:02:34,366 INFO L154 LiptonReduction]: Checked pairs total: 745 [2021-03-26 11:02:34,367 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 11:02:34,367 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 185 [2021-03-26 11:02:34,368 INFO L480 AbstractCegarLoop]: Abstraction has has 36 places, 42 transitions, 185 flow [2021-03-26 11:02:34,368 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 187.0) internal successors, (561), 3 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:34,368 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:02:34,368 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:02:34,368 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 11:02:34,368 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 11:02:34,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:02:34,369 INFO L82 PathProgramCache]: Analyzing trace with hash -934600623, now seen corresponding path program 1 times [2021-03-26 11:02:34,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:02:34,369 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603716038] [2021-03-26 11:02:34,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:02:34,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:02:34,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:02:34,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 11:02:34,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:02:34,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:02:34,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:02:34,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 11:02:34,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:02:34,411 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603716038] [2021-03-26 11:02:34,411 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:02:34,411 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 11:02:34,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425081680] [2021-03-26 11:02:34,411 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 11:02:34,411 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:02:34,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 11:02:34,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 11:02:34,413 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 257 out of 315 [2021-03-26 11:02:34,414 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 42 transitions, 185 flow. Second operand has 3 states, 3 states have (on average 258.0) internal successors, (774), 3 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:34,414 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:02:34,414 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 257 of 315 [2021-03-26 11:02:34,414 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:02:34,446 INFO L129 PetriNetUnfolder]: 6/48 cut-off events. [2021-03-26 11:02:34,446 INFO L130 PetriNetUnfolder]: For 38/47 co-relation queries the response was YES. [2021-03-26 11:02:34,447 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 119 event pairs, 4 based on Foata normal form. 16/62 useless extension candidates. Maximal degree in co-relation 85. Up to 14 conditions per place. [2021-03-26 11:02:34,447 INFO L132 encePairwiseOnDemand]: 313/315 looper letters, 1 selfloop transitions, 1 changer transitions 0/25 dead transitions. [2021-03-26 11:02:34,447 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 25 transitions, 86 flow [2021-03-26 11:02:34,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 11:02:34,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 11:02:34,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 774 transitions. [2021-03-26 11:02:34,449 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.819047619047619 [2021-03-26 11:02:34,449 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 774 transitions. [2021-03-26 11:02:34,449 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 774 transitions. [2021-03-26 11:02:34,450 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:02:34,450 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 774 transitions. [2021-03-26 11:02:34,452 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 258.0) internal successors, (774), 3 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:34,453 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 315.0) internal successors, (1260), 4 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:34,454 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 315.0) internal successors, (1260), 4 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:34,454 INFO L185 Difference]: Start difference. First operand has 36 places, 42 transitions, 185 flow. Second operand 3 states and 774 transitions. [2021-03-26 11:02:34,454 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 25 transitions, 86 flow [2021-03-26 11:02:34,463 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 25 transitions, 78 flow, removed 4 selfloop flow, removed 1 redundant places. [2021-03-26 11:02:34,464 INFO L241 Difference]: Finished difference. Result has 30 places, 25 transitions, 76 flow [2021-03-26 11:02:34,464 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=315, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=76, PETRI_PLACES=30, PETRI_TRANSITIONS=25} [2021-03-26 11:02:34,464 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -36 predicate places. [2021-03-26 11:02:34,464 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:02:34,465 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 25 transitions, 76 flow [2021-03-26 11:02:34,465 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 30 places, 25 transitions, 76 flow [2021-03-26 11:02:34,465 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 29 places, 25 transitions, 76 flow [2021-03-26 11:02:34,470 INFO L129 PetriNetUnfolder]: 6/51 cut-off events. [2021-03-26 11:02:34,471 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-26 11:02:34,471 INFO L84 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 51 events. 6/51 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 138 event pairs, 2 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 52. Up to 13 conditions per place. [2021-03-26 11:02:34,471 INFO L142 LiptonReduction]: Number of co-enabled transitions 140 [2021-03-26 11:02:34,473 INFO L154 LiptonReduction]: Checked pairs total: 64 [2021-03-26 11:02:34,473 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 11:02:34,473 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9 [2021-03-26 11:02:34,476 INFO L480 AbstractCegarLoop]: Abstraction has has 29 places, 25 transitions, 76 flow [2021-03-26 11:02:34,476 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 258.0) internal successors, (774), 3 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:34,476 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:02:34,476 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:02:34,476 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 11:02:34,476 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 11:02:34,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:02:34,477 INFO L82 PathProgramCache]: Analyzing trace with hash -825115049, now seen corresponding path program 1 times [2021-03-26 11:02:34,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:02:34,477 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748322304] [2021-03-26 11:02:34,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:02:34,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:02:34,651 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-03-26 11:02:34,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 11:02:34,663 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.8 percent of original size [2021-03-26 11:02:34,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 11:02:34,677 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.8 percent of original size [2021-03-26 11:02:34,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 11:02:34,697 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.0 percent of original size [2021-03-26 11:02:34,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 11:02:34,713 INFO L142 QuantifierPusher]: treesize reduction 10, result has 73.7 percent of original size [2021-03-26 11:02:34,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 11:02:34,736 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-03-26 11:02:34,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 11:02:34,784 INFO L142 QuantifierPusher]: treesize reduction 14, result has 77.8 percent of original size [2021-03-26 11:02:34,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 11:02:34,803 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-03-26 11:02:34,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 11:02:34,806 INFO L142 QuantifierPusher]: treesize reduction 26, result has 66.2 percent of original size [2021-03-26 11:02:34,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 11:02:34,862 INFO L142 QuantifierPusher]: treesize reduction 26, result has 63.9 percent of original size [2021-03-26 11:02:34,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 11:02:34,898 INFO L142 QuantifierPusher]: treesize reduction 26, result has 67.1 percent of original size [2021-03-26 11:02:34,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 11:02:34,914 INFO L142 QuantifierPusher]: treesize reduction 26, result has 63.9 percent of original size [2021-03-26 11:02:34,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 11:02:34,929 INFO L142 QuantifierPusher]: treesize reduction 14, result has 64.1 percent of original size [2021-03-26 11:02:34,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 11:02:34,956 INFO L142 QuantifierPusher]: treesize reduction 14, result has 64.1 percent of original size [2021-03-26 11:02:34,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 11:02:34,958 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-26 11:02:34,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:02:34,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:02:34,975 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748322304] [2021-03-26 11:02:34,976 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:02:34,976 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 11:02:34,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100499275] [2021-03-26 11:02:34,976 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 11:02:34,976 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:02:34,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 11:02:34,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-03-26 11:02:34,978 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 315 [2021-03-26 11:02:34,980 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 25 transitions, 76 flow. Second operand has 11 states, 11 states have (on average 141.63636363636363) internal successors, (1558), 11 states have internal predecessors, (1558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:34,980 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:02:34,980 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 315 [2021-03-26 11:02:34,980 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:02:35,426 INFO L129 PetriNetUnfolder]: 160/358 cut-off events. [2021-03-26 11:02:35,426 INFO L130 PetriNetUnfolder]: For 126/126 co-relation queries the response was YES. [2021-03-26 11:02:35,427 INFO L84 FinitePrefix]: Finished finitePrefix Result has 862 conditions, 358 events. 160/358 cut-off events. For 126/126 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1606 event pairs, 1 based on Foata normal form. 4/361 useless extension candidates. Maximal degree in co-relation 567. Up to 140 conditions per place. [2021-03-26 11:02:35,428 INFO L132 encePairwiseOnDemand]: 303/315 looper letters, 51 selfloop transitions, 15 changer transitions 0/70 dead transitions. [2021-03-26 11:02:35,429 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 70 transitions, 340 flow [2021-03-26 11:02:35,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 11:02:35,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 11:02:35,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1327 transitions. [2021-03-26 11:02:35,433 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.46807760141093474 [2021-03-26 11:02:35,433 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1327 transitions. [2021-03-26 11:02:35,433 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1327 transitions. [2021-03-26 11:02:35,434 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:02:35,434 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1327 transitions. [2021-03-26 11:02:35,437 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 147.44444444444446) internal successors, (1327), 9 states have internal predecessors, (1327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:35,441 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 315.0) internal successors, (3150), 10 states have internal predecessors, (3150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:35,442 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 315.0) internal successors, (3150), 10 states have internal predecessors, (3150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:35,442 INFO L185 Difference]: Start difference. First operand has 29 places, 25 transitions, 76 flow. Second operand 9 states and 1327 transitions. [2021-03-26 11:02:35,442 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 70 transitions, 340 flow [2021-03-26 11:02:35,443 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 70 transitions, 339 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 11:02:35,444 INFO L241 Difference]: Finished difference. Result has 40 places, 34 transitions, 169 flow [2021-03-26 11:02:35,444 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=315, PETRI_DIFFERENCE_MINUEND_FLOW=75, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=169, PETRI_PLACES=40, PETRI_TRANSITIONS=34} [2021-03-26 11:02:35,444 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -26 predicate places. [2021-03-26 11:02:35,444 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:02:35,445 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 34 transitions, 169 flow [2021-03-26 11:02:35,445 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 34 transitions, 169 flow [2021-03-26 11:02:35,445 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 34 transitions, 169 flow [2021-03-26 11:02:35,455 INFO L129 PetriNetUnfolder]: 28/137 cut-off events. [2021-03-26 11:02:35,455 INFO L130 PetriNetUnfolder]: For 60/65 co-relation queries the response was YES. [2021-03-26 11:02:35,455 INFO L84 FinitePrefix]: Finished finitePrefix Result has 306 conditions, 137 events. 28/137 cut-off events. For 60/65 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 649 event pairs, 9 based on Foata normal form. 0/129 useless extension candidates. Maximal degree in co-relation 195. Up to 36 conditions per place. [2021-03-26 11:02:35,456 INFO L142 LiptonReduction]: Number of co-enabled transitions 168 [2021-03-26 11:02:35,623 INFO L154 LiptonReduction]: Checked pairs total: 103 [2021-03-26 11:02:35,623 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 11:02:35,624 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 180 [2021-03-26 11:02:35,624 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 34 transitions, 173 flow [2021-03-26 11:02:35,625 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 141.63636363636363) internal successors, (1558), 11 states have internal predecessors, (1558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:35,625 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:02:35,625 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:02:35,625 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 11:02:35,625 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 11:02:35,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:02:35,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1025493499, now seen corresponding path program 1 times [2021-03-26 11:02:35,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:02:35,626 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517875688] [2021-03-26 11:02:35,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:02:35,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:02:35,826 INFO L142 QuantifierPusher]: treesize reduction 18, result has 62.5 percent of original size [2021-03-26 11:02:35,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 11:02:35,838 INFO L142 QuantifierPusher]: treesize reduction 18, result has 68.4 percent of original size [2021-03-26 11:02:35,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 11:02:35,871 INFO L142 QuantifierPusher]: treesize reduction 48, result has 53.8 percent of original size [2021-03-26 11:02:35,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 11:02:35,918 INFO L142 QuantifierPusher]: treesize reduction 40, result has 57.0 percent of original size [2021-03-26 11:02:35,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 11:02:35,956 INFO L142 QuantifierPusher]: treesize reduction 40, result has 54.5 percent of original size [2021-03-26 11:02:35,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-26 11:02:35,965 INFO L142 QuantifierPusher]: treesize reduction 40, result has 51.2 percent of original size [2021-03-26 11:02:35,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 11:02:35,999 INFO L142 QuantifierPusher]: treesize reduction 40, result has 58.8 percent of original size [2021-03-26 11:02:36,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-26 11:02:36,036 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 11:02:36,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 11:02:36,053 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 11:02:36,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 11:02:36,071 INFO L142 QuantifierPusher]: treesize reduction 18, result has 60.9 percent of original size [2021-03-26 11:02:36,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 11:02:36,090 INFO L142 QuantifierPusher]: treesize reduction 18, result has 60.9 percent of original size [2021-03-26 11:02:36,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 11:02:36,091 INFO L142 QuantifierPusher]: treesize reduction 35, result has 56.3 percent of original size [2021-03-26 11:02:36,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 11:02:36,140 INFO L142 QuantifierPusher]: treesize reduction 35, result has 50.0 percent of original size [2021-03-26 11:02:36,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 11:02:36,158 INFO L142 QuantifierPusher]: treesize reduction 62, result has 33.3 percent of original size [2021-03-26 11:02:36,159 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size 28 [2021-03-26 11:02:36,220 INFO L142 QuantifierPusher]: treesize reduction 35, result has 42.6 percent of original size [2021-03-26 11:02:36,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 11:02:36,258 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-26 11:02:36,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:02:36,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:02:36,281 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517875688] [2021-03-26 11:02:36,281 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:02:36,281 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-26 11:02:36,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700938977] [2021-03-26 11:02:36,282 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-26 11:02:36,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:02:36,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-26 11:02:36,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2021-03-26 11:02:36,285 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 316 [2021-03-26 11:02:36,286 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 34 transitions, 173 flow. Second operand has 15 states, 15 states have (on average 140.2) internal successors, (2103), 15 states have internal predecessors, (2103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:36,286 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:02:36,286 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 316 [2021-03-26 11:02:36,286 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:02:37,372 INFO L129 PetriNetUnfolder]: 253/577 cut-off events. [2021-03-26 11:02:37,372 INFO L130 PetriNetUnfolder]: For 635/635 co-relation queries the response was YES. [2021-03-26 11:02:37,373 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1831 conditions, 577 events. 253/577 cut-off events. For 635/635 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 3118 event pairs, 33 based on Foata normal form. 1/574 useless extension candidates. Maximal degree in co-relation 1446. Up to 268 conditions per place. [2021-03-26 11:02:37,376 INFO L132 encePairwiseOnDemand]: 301/316 looper letters, 78 selfloop transitions, 27 changer transitions 6/115 dead transitions. [2021-03-26 11:02:37,376 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 115 transitions, 797 flow [2021-03-26 11:02:37,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 11:02:37,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 11:02:37,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1892 transitions. [2021-03-26 11:02:37,381 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4605647517039922 [2021-03-26 11:02:37,381 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1892 transitions. [2021-03-26 11:02:37,381 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1892 transitions. [2021-03-26 11:02:37,382 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:02:37,382 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1892 transitions. [2021-03-26 11:02:37,385 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 145.53846153846155) internal successors, (1892), 13 states have internal predecessors, (1892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:37,390 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 316.0) internal successors, (4424), 14 states have internal predecessors, (4424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:37,391 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 316.0) internal successors, (4424), 14 states have internal predecessors, (4424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:37,391 INFO L185 Difference]: Start difference. First operand has 40 places, 34 transitions, 173 flow. Second operand 13 states and 1892 transitions. [2021-03-26 11:02:37,391 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 115 transitions, 797 flow [2021-03-26 11:02:37,394 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 115 transitions, 772 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-26 11:02:37,397 INFO L241 Difference]: Finished difference. Result has 57 places, 60 transitions, 437 flow [2021-03-26 11:02:37,398 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=163, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=437, PETRI_PLACES=57, PETRI_TRANSITIONS=60} [2021-03-26 11:02:37,398 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -9 predicate places. [2021-03-26 11:02:37,398 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:02:37,398 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 60 transitions, 437 flow [2021-03-26 11:02:37,398 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 60 transitions, 437 flow [2021-03-26 11:02:37,399 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 60 transitions, 437 flow [2021-03-26 11:02:37,421 INFO L129 PetriNetUnfolder]: 53/238 cut-off events. [2021-03-26 11:02:37,421 INFO L130 PetriNetUnfolder]: For 321/338 co-relation queries the response was YES. [2021-03-26 11:02:37,422 INFO L84 FinitePrefix]: Finished finitePrefix Result has 697 conditions, 238 events. 53/238 cut-off events. For 321/338 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1421 event pairs, 7 based on Foata normal form. 2/233 useless extension candidates. Maximal degree in co-relation 657. Up to 62 conditions per place. [2021-03-26 11:02:37,424 INFO L142 LiptonReduction]: Number of co-enabled transitions 238 [2021-03-26 11:02:37,563 INFO L154 LiptonReduction]: Checked pairs total: 77 [2021-03-26 11:02:37,564 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 11:02:37,564 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 166 [2021-03-26 11:02:37,564 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 59 transitions, 435 flow [2021-03-26 11:02:37,565 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 140.2) internal successors, (2103), 15 states have internal predecessors, (2103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:37,565 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:02:37,565 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:02:37,566 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 11:02:37,566 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 11:02:37,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:02:37,566 INFO L82 PathProgramCache]: Analyzing trace with hash 220009964, now seen corresponding path program 1 times [2021-03-26 11:02:37,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:02:37,566 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969397414] [2021-03-26 11:02:37,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:02:37,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:02:37,753 INFO L142 QuantifierPusher]: treesize reduction 21, result has 62.5 percent of original size [2021-03-26 11:02:37,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 11:02:37,778 INFO L142 QuantifierPusher]: treesize reduction 21, result has 67.7 percent of original size [2021-03-26 11:02:37,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 11:02:37,818 INFO L142 QuantifierPusher]: treesize reduction 40, result has 58.8 percent of original size [2021-03-26 11:02:37,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-26 11:02:37,863 INFO L142 QuantifierPusher]: treesize reduction 40, result has 55.1 percent of original size [2021-03-26 11:02:37,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 11:02:37,874 INFO L142 QuantifierPusher]: treesize reduction 40, result has 55.1 percent of original size [2021-03-26 11:02:37,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 11:02:37,919 INFO L142 QuantifierPusher]: treesize reduction 40, result has 54.5 percent of original size [2021-03-26 11:02:37,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-26 11:02:37,965 INFO L142 QuantifierPusher]: treesize reduction 40, result has 51.2 percent of original size [2021-03-26 11:02:37,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 11:02:37,998 INFO L142 QuantifierPusher]: treesize reduction 40, result has 58.8 percent of original size [2021-03-26 11:02:38,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-26 11:02:38,042 INFO L142 QuantifierPusher]: treesize reduction 18, result has 60.9 percent of original size [2021-03-26 11:02:38,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 11:02:38,067 INFO L142 QuantifierPusher]: treesize reduction 35, result has 56.3 percent of original size [2021-03-26 11:02:38,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 11:02:38,105 INFO L142 QuantifierPusher]: treesize reduction 35, result has 50.0 percent of original size [2021-03-26 11:02:38,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 11:02:38,122 INFO L142 QuantifierPusher]: treesize reduction 35, result has 50.0 percent of original size [2021-03-26 11:02:38,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 11:02:38,138 INFO L142 QuantifierPusher]: treesize reduction 62, result has 33.3 percent of original size [2021-03-26 11:02:38,139 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size 28 [2021-03-26 11:02:38,169 INFO L142 QuantifierPusher]: treesize reduction 35, result has 42.6 percent of original size [2021-03-26 11:02:38,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 11:02:38,195 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-26 11:02:38,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:02:38,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:02:38,212 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969397414] [2021-03-26 11:02:38,212 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:02:38,212 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-26 11:02:38,212 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801844777] [2021-03-26 11:02:38,213 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 11:02:38,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:02:38,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 11:02:38,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2021-03-26 11:02:38,215 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 318 [2021-03-26 11:02:38,217 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 59 transitions, 435 flow. Second operand has 14 states, 14 states have (on average 140.21428571428572) internal successors, (1963), 14 states have internal predecessors, (1963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:38,217 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:02:38,217 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 318 [2021-03-26 11:02:38,217 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:02:39,242 INFO L129 PetriNetUnfolder]: 321/750 cut-off events. [2021-03-26 11:02:39,242 INFO L130 PetriNetUnfolder]: For 1876/1878 co-relation queries the response was YES. [2021-03-26 11:02:39,246 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3037 conditions, 750 events. 321/750 cut-off events. For 1876/1878 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 4491 event pairs, 104 based on Foata normal form. 4/747 useless extension candidates. Maximal degree in co-relation 2955. Up to 463 conditions per place. [2021-03-26 11:02:39,249 INFO L132 encePairwiseOnDemand]: 303/318 looper letters, 84 selfloop transitions, 38 changer transitions 7/133 dead transitions. [2021-03-26 11:02:39,249 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 133 transitions, 1205 flow [2021-03-26 11:02:39,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 11:02:39,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 11:02:39,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1886 transitions. [2021-03-26 11:02:39,254 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4562167392356072 [2021-03-26 11:02:39,254 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1886 transitions. [2021-03-26 11:02:39,255 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1886 transitions. [2021-03-26 11:02:39,256 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:02:39,256 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1886 transitions. [2021-03-26 11:02:39,260 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 145.07692307692307) internal successors, (1886), 13 states have internal predecessors, (1886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:39,264 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 318.0) internal successors, (4452), 14 states have internal predecessors, (4452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:39,266 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 318.0) internal successors, (4452), 14 states have internal predecessors, (4452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:39,266 INFO L185 Difference]: Start difference. First operand has 56 places, 59 transitions, 435 flow. Second operand 13 states and 1886 transitions. [2021-03-26 11:02:39,266 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 133 transitions, 1205 flow [2021-03-26 11:02:39,272 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 133 transitions, 1145 flow, removed 29 selfloop flow, removed 1 redundant places. [2021-03-26 11:02:39,275 INFO L241 Difference]: Finished difference. Result has 74 places, 86 transitions, 763 flow [2021-03-26 11:02:39,275 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=318, PETRI_DIFFERENCE_MINUEND_FLOW=405, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=763, PETRI_PLACES=74, PETRI_TRANSITIONS=86} [2021-03-26 11:02:39,275 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 8 predicate places. [2021-03-26 11:02:39,275 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:02:39,276 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 86 transitions, 763 flow [2021-03-26 11:02:39,276 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 86 transitions, 763 flow [2021-03-26 11:02:39,277 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 86 transitions, 763 flow [2021-03-26 11:02:39,310 INFO L129 PetriNetUnfolder]: 97/406 cut-off events. [2021-03-26 11:02:39,311 INFO L130 PetriNetUnfolder]: For 874/886 co-relation queries the response was YES. [2021-03-26 11:02:39,313 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1386 conditions, 406 events. 97/406 cut-off events. For 874/886 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 2823 event pairs, 7 based on Foata normal form. 2/399 useless extension candidates. Maximal degree in co-relation 1332. Up to 97 conditions per place. [2021-03-26 11:02:39,315 INFO L142 LiptonReduction]: Number of co-enabled transitions 278 [2021-03-26 11:02:39,451 INFO L154 LiptonReduction]: Checked pairs total: 110 [2021-03-26 11:02:39,452 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 11:02:39,452 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 177 [2021-03-26 11:02:39,452 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 85 transitions, 762 flow [2021-03-26 11:02:39,453 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 140.21428571428572) internal successors, (1963), 14 states have internal predecessors, (1963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:39,453 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:02:39,453 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:02:39,453 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 11:02:39,453 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 11:02:39,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:02:39,454 INFO L82 PathProgramCache]: Analyzing trace with hash 1708312841, now seen corresponding path program 1 times [2021-03-26 11:02:39,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:02:39,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305556670] [2021-03-26 11:02:39,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:02:39,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:02:39,536 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-03-26 11:02:39,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 11:02:39,553 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-03-26 11:02:39,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 11:02:39,563 INFO L142 QuantifierPusher]: treesize reduction 10, result has 60.0 percent of original size [2021-03-26 11:02:39,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 11:02:39,573 INFO L142 QuantifierPusher]: treesize reduction 10, result has 58.3 percent of original size [2021-03-26 11:02:39,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 11:02:39,585 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-03-26 11:02:39,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 11:02:39,609 INFO L142 QuantifierPusher]: treesize reduction 14, result has 71.4 percent of original size [2021-03-26 11:02:39,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 11:02:39,616 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-03-26 11:02:39,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 11:02:39,617 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-26 11:02:39,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:02:39,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:02:39,627 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305556670] [2021-03-26 11:02:39,628 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:02:39,628 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 11:02:39,628 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737308296] [2021-03-26 11:02:39,628 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 11:02:39,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:02:39,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 11:02:39,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-03-26 11:02:39,630 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 320 [2021-03-26 11:02:39,631 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 85 transitions, 762 flow. Second operand has 8 states, 8 states have (on average 154.875) internal successors, (1239), 8 states have internal predecessors, (1239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:39,631 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:02:39,631 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 320 [2021-03-26 11:02:39,631 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:02:39,983 INFO L129 PetriNetUnfolder]: 315/850 cut-off events. [2021-03-26 11:02:39,983 INFO L130 PetriNetUnfolder]: For 2684/2705 co-relation queries the response was YES. [2021-03-26 11:02:39,986 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3535 conditions, 850 events. 315/850 cut-off events. For 2684/2705 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 5955 event pairs, 71 based on Foata normal form. 3/829 useless extension candidates. Maximal degree in co-relation 3424. Up to 361 conditions per place. [2021-03-26 11:02:39,989 INFO L132 encePairwiseOnDemand]: 312/320 looper letters, 95 selfloop transitions, 41 changer transitions 1/146 dead transitions. [2021-03-26 11:02:39,990 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 146 transitions, 1529 flow [2021-03-26 11:02:39,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 11:02:39,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 11:02:39,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1124 transitions. [2021-03-26 11:02:39,993 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5017857142857143 [2021-03-26 11:02:39,993 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1124 transitions. [2021-03-26 11:02:39,993 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1124 transitions. [2021-03-26 11:02:39,994 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:02:39,994 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1124 transitions. [2021-03-26 11:02:39,999 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 160.57142857142858) internal successors, (1124), 7 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:40,001 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 320.0) internal successors, (2560), 8 states have internal predecessors, (2560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:40,002 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 320.0) internal successors, (2560), 8 states have internal predecessors, (2560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:40,002 INFO L185 Difference]: Start difference. First operand has 73 places, 85 transitions, 762 flow. Second operand 7 states and 1124 transitions. [2021-03-26 11:02:40,002 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 146 transitions, 1529 flow [2021-03-26 11:02:40,012 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 146 transitions, 1499 flow, removed 11 selfloop flow, removed 2 redundant places. [2021-03-26 11:02:40,014 INFO L241 Difference]: Finished difference. Result has 80 places, 103 transitions, 1076 flow [2021-03-26 11:02:40,015 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=320, PETRI_DIFFERENCE_MINUEND_FLOW=737, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1076, PETRI_PLACES=80, PETRI_TRANSITIONS=103} [2021-03-26 11:02:40,015 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 14 predicate places. [2021-03-26 11:02:40,015 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:02:40,015 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 103 transitions, 1076 flow [2021-03-26 11:02:40,015 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 80 places, 103 transitions, 1076 flow [2021-03-26 11:02:40,016 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 80 places, 103 transitions, 1076 flow [2021-03-26 11:02:40,064 INFO L129 PetriNetUnfolder]: 122/534 cut-off events. [2021-03-26 11:02:40,064 INFO L130 PetriNetUnfolder]: For 1537/1553 co-relation queries the response was YES. [2021-03-26 11:02:40,066 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1886 conditions, 534 events. 122/534 cut-off events. For 1537/1553 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 4158 event pairs, 16 based on Foata normal form. 2/521 useless extension candidates. Maximal degree in co-relation 1814. Up to 120 conditions per place. [2021-03-26 11:02:40,069 INFO L142 LiptonReduction]: Number of co-enabled transitions 296 [2021-03-26 11:02:40,087 INFO L154 LiptonReduction]: Checked pairs total: 66 [2021-03-26 11:02:40,087 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 11:02:40,087 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 72 [2021-03-26 11:02:40,088 INFO L480 AbstractCegarLoop]: Abstraction has has 80 places, 103 transitions, 1076 flow [2021-03-26 11:02:40,088 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 154.875) internal successors, (1239), 8 states have internal predecessors, (1239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:40,088 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:02:40,089 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:02:40,089 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 11:02:40,089 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 11:02:40,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:02:40,089 INFO L82 PathProgramCache]: Analyzing trace with hash 846618729, now seen corresponding path program 1 times [2021-03-26 11:02:40,089 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:02:40,089 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355404400] [2021-03-26 11:02:40,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:02:40,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:02:40,160 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-03-26 11:02:40,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 11:02:40,168 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-03-26 11:02:40,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 11:02:40,177 INFO L142 QuantifierPusher]: treesize reduction 5, result has 73.7 percent of original size [2021-03-26 11:02:40,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 11:02:40,188 INFO L142 QuantifierPusher]: treesize reduction 10, result has 58.3 percent of original size [2021-03-26 11:02:40,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 11:02:40,200 INFO L142 QuantifierPusher]: treesize reduction 14, result has 74.5 percent of original size [2021-03-26 11:02:40,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 11:02:40,227 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-03-26 11:02:40,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 11:02:40,236 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-26 11:02:40,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:02:40,252 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-26 11:02:40,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:02:40,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:02:40,253 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355404400] [2021-03-26 11:02:40,253 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:02:40,253 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 11:02:40,254 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940933333] [2021-03-26 11:02:40,254 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 11:02:40,254 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:02:40,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 11:02:40,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-03-26 11:02:40,256 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 320 [2021-03-26 11:02:40,257 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 103 transitions, 1076 flow. Second operand has 8 states, 8 states have (on average 154.75) internal successors, (1238), 8 states have internal predecessors, (1238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:40,257 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:02:40,257 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 320 [2021-03-26 11:02:40,257 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:02:40,677 INFO L129 PetriNetUnfolder]: 325/889 cut-off events. [2021-03-26 11:02:40,677 INFO L130 PetriNetUnfolder]: For 3833/3853 co-relation queries the response was YES. [2021-03-26 11:02:40,680 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3924 conditions, 889 events. 325/889 cut-off events. For 3833/3853 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 6428 event pairs, 66 based on Foata normal form. 5/876 useless extension candidates. Maximal degree in co-relation 3813. Up to 317 conditions per place. [2021-03-26 11:02:40,683 INFO L132 encePairwiseOnDemand]: 312/320 looper letters, 84 selfloop transitions, 44 changer transitions 6/143 dead transitions. [2021-03-26 11:02:40,684 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 143 transitions, 1644 flow [2021-03-26 11:02:40,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 11:02:40,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 11:02:40,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1126 transitions. [2021-03-26 11:02:40,687 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5026785714285714 [2021-03-26 11:02:40,687 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1126 transitions. [2021-03-26 11:02:40,687 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1126 transitions. [2021-03-26 11:02:40,688 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:02:40,688 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1126 transitions. [2021-03-26 11:02:40,690 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 160.85714285714286) internal successors, (1126), 7 states have internal predecessors, (1126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:40,693 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 320.0) internal successors, (2560), 8 states have internal predecessors, (2560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:40,693 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 320.0) internal successors, (2560), 8 states have internal predecessors, (2560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:40,693 INFO L185 Difference]: Start difference. First operand has 80 places, 103 transitions, 1076 flow. Second operand 7 states and 1126 transitions. [2021-03-26 11:02:40,693 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 143 transitions, 1644 flow [2021-03-26 11:02:40,705 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 143 transitions, 1608 flow, removed 7 selfloop flow, removed 3 redundant places. [2021-03-26 11:02:40,709 INFO L241 Difference]: Finished difference. Result has 84 places, 97 transitions, 1099 flow [2021-03-26 11:02:40,709 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=320, PETRI_DIFFERENCE_MINUEND_FLOW=1021, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1099, PETRI_PLACES=84, PETRI_TRANSITIONS=97} [2021-03-26 11:02:40,710 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 18 predicate places. [2021-03-26 11:02:40,710 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:02:40,710 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 97 transitions, 1099 flow [2021-03-26 11:02:40,710 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 97 transitions, 1099 flow [2021-03-26 11:02:40,711 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 80 places, 97 transitions, 1099 flow [2021-03-26 11:02:40,751 INFO L129 PetriNetUnfolder]: 111/483 cut-off events. [2021-03-26 11:02:40,751 INFO L130 PetriNetUnfolder]: For 1669/1685 co-relation queries the response was YES. [2021-03-26 11:02:40,753 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1809 conditions, 483 events. 111/483 cut-off events. For 1669/1685 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 3636 event pairs, 15 based on Foata normal form. 2/472 useless extension candidates. Maximal degree in co-relation 1762. Up to 110 conditions per place. [2021-03-26 11:02:40,756 INFO L142 LiptonReduction]: Number of co-enabled transitions 268 [2021-03-26 11:02:40,811 INFO L154 LiptonReduction]: Checked pairs total: 382 [2021-03-26 11:02:40,811 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 11:02:40,811 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 101 [2021-03-26 11:02:40,811 INFO L480 AbstractCegarLoop]: Abstraction has has 80 places, 97 transitions, 1099 flow [2021-03-26 11:02:40,812 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 154.75) internal successors, (1238), 8 states have internal predecessors, (1238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:40,812 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:02:40,812 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:02:40,812 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-26 11:02:40,812 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 11:02:40,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:02:40,813 INFO L82 PathProgramCache]: Analyzing trace with hash 1675863205, now seen corresponding path program 1 times [2021-03-26 11:02:40,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:02:40,813 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056195453] [2021-03-26 11:02:40,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:02:40,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:02:40,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:02:40,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:02:40,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:02:40,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:02:40,891 INFO L142 QuantifierPusher]: treesize reduction 15, result has 68.8 percent of original size [2021-03-26 11:02:40,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 11:02:40,923 INFO L142 QuantifierPusher]: treesize reduction 15, result has 68.8 percent of original size [2021-03-26 11:02:40,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 11:02:40,955 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-03-26 11:02:40,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 11:02:40,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:02:40,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 11:02:40,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:02:40,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056195453] [2021-03-26 11:02:40,957 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:02:40,957 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 11:02:40,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731890981] [2021-03-26 11:02:40,958 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 11:02:40,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:02:40,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 11:02:40,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-26 11:02:40,960 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 251 out of 320 [2021-03-26 11:02:40,972 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 97 transitions, 1099 flow. Second operand has 6 states, 6 states have (on average 252.33333333333334) internal successors, (1514), 6 states have internal predecessors, (1514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:40,972 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:02:40,972 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 251 of 320 [2021-03-26 11:02:40,973 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:02:41,121 INFO L129 PetriNetUnfolder]: 92/410 cut-off events. [2021-03-26 11:02:41,121 INFO L130 PetriNetUnfolder]: For 1597/1623 co-relation queries the response was YES. [2021-03-26 11:02:41,123 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1608 conditions, 410 events. 92/410 cut-off events. For 1597/1623 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 2850 event pairs, 10 based on Foata normal form. 18/422 useless extension candidates. Maximal degree in co-relation 1560. Up to 91 conditions per place. [2021-03-26 11:02:41,125 INFO L132 encePairwiseOnDemand]: 312/320 looper letters, 30 selfloop transitions, 14 changer transitions 3/91 dead transitions. [2021-03-26 11:02:41,125 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 91 transitions, 1018 flow [2021-03-26 11:02:41,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 11:02:41,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 11:02:41,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1530 transitions. [2021-03-26 11:02:41,128 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.796875 [2021-03-26 11:02:41,128 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1530 transitions. [2021-03-26 11:02:41,128 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1530 transitions. [2021-03-26 11:02:41,129 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:02:41,129 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1530 transitions. [2021-03-26 11:02:41,132 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 255.0) internal successors, (1530), 6 states have internal predecessors, (1530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:41,135 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 320.0) internal successors, (2240), 7 states have internal predecessors, (2240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:41,135 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 320.0) internal successors, (2240), 7 states have internal predecessors, (2240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:41,135 INFO L185 Difference]: Start difference. First operand has 80 places, 97 transitions, 1099 flow. Second operand 6 states and 1530 transitions. [2021-03-26 11:02:41,135 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 91 transitions, 1018 flow [2021-03-26 11:02:41,143 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 91 transitions, 919 flow, removed 30 selfloop flow, removed 10 redundant places. [2021-03-26 11:02:41,144 INFO L241 Difference]: Finished difference. Result has 76 places, 78 transitions, 754 flow [2021-03-26 11:02:41,144 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=320, PETRI_DIFFERENCE_MINUEND_FLOW=690, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=754, PETRI_PLACES=76, PETRI_TRANSITIONS=78} [2021-03-26 11:02:41,145 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 10 predicate places. [2021-03-26 11:02:41,145 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:02:41,145 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 78 transitions, 754 flow [2021-03-26 11:02:41,145 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 78 transitions, 754 flow [2021-03-26 11:02:41,145 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 78 transitions, 754 flow [2021-03-26 11:02:41,173 INFO L129 PetriNetUnfolder]: 75/348 cut-off events. [2021-03-26 11:02:41,173 INFO L130 PetriNetUnfolder]: For 979/1006 co-relation queries the response was YES. [2021-03-26 11:02:41,174 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1234 conditions, 348 events. 75/348 cut-off events. For 979/1006 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 2393 event pairs, 9 based on Foata normal form. 7/347 useless extension candidates. Maximal degree in co-relation 978. Up to 83 conditions per place. [2021-03-26 11:02:41,176 INFO L142 LiptonReduction]: Number of co-enabled transitions 244 [2021-03-26 11:02:41,192 INFO L154 LiptonReduction]: Checked pairs total: 200 [2021-03-26 11:02:41,193 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 11:02:41,193 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 48 [2021-03-26 11:02:41,193 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 78 transitions, 754 flow [2021-03-26 11:02:41,194 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 252.33333333333334) internal successors, (1514), 6 states have internal predecessors, (1514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:41,194 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:02:41,194 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:02:41,194 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-26 11:02:41,194 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 11:02:41,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:02:41,194 INFO L82 PathProgramCache]: Analyzing trace with hash -2049708197, now seen corresponding path program 2 times [2021-03-26 11:02:41,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:02:41,194 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642867475] [2021-03-26 11:02:41,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:02:41,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:02:41,277 INFO L142 QuantifierPusher]: treesize reduction 21, result has 62.5 percent of original size [2021-03-26 11:02:41,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 11:02:41,324 INFO L142 QuantifierPusher]: treesize reduction 21, result has 67.7 percent of original size [2021-03-26 11:02:41,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 11:02:41,360 INFO L142 QuantifierPusher]: treesize reduction 43, result has 53.3 percent of original size [2021-03-26 11:02:41,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 11:02:41,404 INFO L142 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-03-26 11:02:41,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-03-26 11:02:41,453 INFO L142 QuantifierPusher]: treesize reduction 18, result has 71.4 percent of original size [2021-03-26 11:02:41,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 11:02:41,471 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 11:02:41,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 11:02:41,488 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 11:02:41,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 11:02:41,507 INFO L142 QuantifierPusher]: treesize reduction 48, result has 42.9 percent of original size [2021-03-26 11:02:41,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 11:02:41,540 INFO L142 QuantifierPusher]: treesize reduction 45, result has 43.8 percent of original size [2021-03-26 11:02:41,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 11:02:41,572 INFO L142 QuantifierPusher]: treesize reduction 37, result has 54.9 percent of original size [2021-03-26 11:02:41,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 11:02:41,589 INFO L142 QuantifierPusher]: treesize reduction 37, result has 48.6 percent of original size [2021-03-26 11:02:41,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 11:02:41,592 INFO L142 QuantifierPusher]: treesize reduction 64, result has 32.6 percent of original size [2021-03-26 11:02:41,592 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size 28 [2021-03-26 11:02:41,629 INFO L142 QuantifierPusher]: treesize reduction 37, result has 41.3 percent of original size [2021-03-26 11:02:41,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 11:02:41,656 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-26 11:02:41,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:02:41,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:02:41,672 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642867475] [2021-03-26 11:02:41,672 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:02:41,672 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-26 11:02:41,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195882654] [2021-03-26 11:02:41,673 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 11:02:41,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:02:41,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 11:02:41,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-03-26 11:02:41,675 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 320 [2021-03-26 11:02:41,676 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 78 transitions, 754 flow. Second operand has 14 states, 14 states have (on average 141.14285714285714) internal successors, (1976), 14 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:41,676 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:02:41,676 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 320 [2021-03-26 11:02:41,676 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:02:42,462 INFO L129 PetriNetUnfolder]: 319/778 cut-off events. [2021-03-26 11:02:42,462 INFO L130 PetriNetUnfolder]: For 3114/3116 co-relation queries the response was YES. [2021-03-26 11:02:42,465 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3478 conditions, 778 events. 319/778 cut-off events. For 3114/3116 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 4829 event pairs, 108 based on Foata normal form. 2/774 useless extension candidates. Maximal degree in co-relation 2723. Up to 551 conditions per place. [2021-03-26 11:02:42,468 INFO L132 encePairwiseOnDemand]: 306/320 looper letters, 82 selfloop transitions, 26 changer transitions 2/114 dead transitions. [2021-03-26 11:02:42,468 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 114 transitions, 1277 flow [2021-03-26 11:02:42,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 11:02:42,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 11:02:42,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1600 transitions. [2021-03-26 11:02:42,472 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45454545454545453 [2021-03-26 11:02:42,473 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1600 transitions. [2021-03-26 11:02:42,473 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1600 transitions. [2021-03-26 11:02:42,473 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:02:42,473 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1600 transitions. [2021-03-26 11:02:42,476 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 145.45454545454547) internal successors, (1600), 11 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:42,479 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 320.0) internal successors, (3840), 12 states have internal predecessors, (3840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:42,480 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 320.0) internal successors, (3840), 12 states have internal predecessors, (3840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:42,480 INFO L185 Difference]: Start difference. First operand has 74 places, 78 transitions, 754 flow. Second operand 11 states and 1600 transitions. [2021-03-26 11:02:42,480 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 114 transitions, 1277 flow [2021-03-26 11:02:42,528 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 114 transitions, 1258 flow, removed 8 selfloop flow, removed 3 redundant places. [2021-03-26 11:02:42,530 INFO L241 Difference]: Finished difference. Result has 85 places, 83 transitions, 854 flow [2021-03-26 11:02:42,530 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=320, PETRI_DIFFERENCE_MINUEND_FLOW=745, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=854, PETRI_PLACES=85, PETRI_TRANSITIONS=83} [2021-03-26 11:02:42,530 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 19 predicate places. [2021-03-26 11:02:42,531 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:02:42,531 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 83 transitions, 854 flow [2021-03-26 11:02:42,531 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 83 transitions, 854 flow [2021-03-26 11:02:42,531 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 83 transitions, 854 flow [2021-03-26 11:02:42,565 INFO L129 PetriNetUnfolder]: 81/372 cut-off events. [2021-03-26 11:02:42,565 INFO L130 PetriNetUnfolder]: For 1193/1231 co-relation queries the response was YES. [2021-03-26 11:02:42,567 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1381 conditions, 372 events. 81/372 cut-off events. For 1193/1231 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 2644 event pairs, 7 based on Foata normal form. 9/375 useless extension candidates. Maximal degree in co-relation 1300. Up to 88 conditions per place. [2021-03-26 11:02:42,571 INFO L142 LiptonReduction]: Number of co-enabled transitions 260 [2021-03-26 11:02:42,672 INFO L154 LiptonReduction]: Checked pairs total: 150 [2021-03-26 11:02:42,672 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 11:02:42,673 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 142 [2021-03-26 11:02:42,673 INFO L480 AbstractCegarLoop]: Abstraction has has 83 places, 82 transitions, 850 flow [2021-03-26 11:02:42,674 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 141.14285714285714) internal successors, (1976), 14 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:42,674 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:02:42,674 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:02:42,674 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-26 11:02:42,674 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 11:02:42,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:02:42,674 INFO L82 PathProgramCache]: Analyzing trace with hash 783797919, now seen corresponding path program 2 times [2021-03-26 11:02:42,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:02:42,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708717485] [2021-03-26 11:02:42,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:02:42,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:02:42,739 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-03-26 11:02:42,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 11:02:42,748 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-03-26 11:02:42,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 11:02:42,757 INFO L142 QuantifierPusher]: treesize reduction 10, result has 60.0 percent of original size [2021-03-26 11:02:42,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 11:02:42,769 INFO L142 QuantifierPusher]: treesize reduction 14, result has 67.4 percent of original size [2021-03-26 11:02:42,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 11:02:42,793 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-03-26 11:02:42,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 11:02:42,819 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-03-26 11:02:42,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 11:02:42,821 INFO L142 QuantifierPusher]: treesize reduction 14, result has 71.4 percent of original size [2021-03-26 11:02:42,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 11:02:42,831 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-03-26 11:02:42,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 11:02:42,832 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-26 11:02:42,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:02:42,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:02:42,846 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708717485] [2021-03-26 11:02:42,846 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:02:42,846 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 11:02:42,846 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764801879] [2021-03-26 11:02:42,848 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 11:02:42,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:02:42,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 11:02:42,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-03-26 11:02:42,850 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 321 [2021-03-26 11:02:42,850 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 82 transitions, 850 flow. Second operand has 8 states, 8 states have (on average 154.875) internal successors, (1239), 8 states have internal predecessors, (1239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:42,851 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:02:42,851 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 321 [2021-03-26 11:02:42,851 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:02:43,178 INFO L129 PetriNetUnfolder]: 269/761 cut-off events. [2021-03-26 11:02:43,178 INFO L130 PetriNetUnfolder]: For 3222/3264 co-relation queries the response was YES. [2021-03-26 11:02:43,181 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3374 conditions, 761 events. 269/761 cut-off events. For 3222/3264 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 5259 event pairs, 33 based on Foata normal form. 8/765 useless extension candidates. Maximal degree in co-relation 3181. Up to 301 conditions per place. [2021-03-26 11:02:43,184 INFO L132 encePairwiseOnDemand]: 312/321 looper letters, 57 selfloop transitions, 51 changer transitions 5/124 dead transitions. [2021-03-26 11:02:43,185 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 124 transitions, 1414 flow [2021-03-26 11:02:43,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 11:02:43,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 11:02:43,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1122 transitions. [2021-03-26 11:02:43,188 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4993324432576769 [2021-03-26 11:02:43,188 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1122 transitions. [2021-03-26 11:02:43,188 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1122 transitions. [2021-03-26 11:02:43,188 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:02:43,189 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1122 transitions. [2021-03-26 11:02:43,190 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 160.28571428571428) internal successors, (1122), 7 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:43,193 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 321.0) internal successors, (2568), 8 states have internal predecessors, (2568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:43,193 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 321.0) internal successors, (2568), 8 states have internal predecessors, (2568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:43,193 INFO L185 Difference]: Start difference. First operand has 83 places, 82 transitions, 850 flow. Second operand 7 states and 1122 transitions. [2021-03-26 11:02:43,193 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 124 transitions, 1414 flow [2021-03-26 11:02:43,203 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 124 transitions, 1357 flow, removed 4 selfloop flow, removed 7 redundant places. [2021-03-26 11:02:43,205 INFO L241 Difference]: Finished difference. Result has 83 places, 93 transitions, 1069 flow [2021-03-26 11:02:43,205 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=793, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1069, PETRI_PLACES=83, PETRI_TRANSITIONS=93} [2021-03-26 11:02:43,205 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 17 predicate places. [2021-03-26 11:02:43,205 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:02:43,205 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 93 transitions, 1069 flow [2021-03-26 11:02:43,206 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 93 transitions, 1069 flow [2021-03-26 11:02:43,206 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 82 places, 93 transitions, 1069 flow [2021-03-26 11:02:43,242 INFO L129 PetriNetUnfolder]: 88/397 cut-off events. [2021-03-26 11:02:43,242 INFO L130 PetriNetUnfolder]: For 1903/1967 co-relation queries the response was YES. [2021-03-26 11:02:43,243 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1643 conditions, 397 events. 88/397 cut-off events. For 1903/1967 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 2902 event pairs, 9 based on Foata normal form. 11/400 useless extension candidates. Maximal degree in co-relation 1579. Up to 90 conditions per place. [2021-03-26 11:02:43,246 INFO L142 LiptonReduction]: Number of co-enabled transitions 264 [2021-03-26 11:02:43,268 INFO L154 LiptonReduction]: Checked pairs total: 368 [2021-03-26 11:02:43,269 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 11:02:43,269 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 64 [2021-03-26 11:02:43,269 INFO L480 AbstractCegarLoop]: Abstraction has has 82 places, 93 transitions, 1069 flow [2021-03-26 11:02:43,269 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 154.875) internal successors, (1239), 8 states have internal predecessors, (1239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:43,270 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:02:43,270 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:02:43,270 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-26 11:02:43,270 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 11:02:43,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:02:43,270 INFO L82 PathProgramCache]: Analyzing trace with hash -540715473, now seen corresponding path program 3 times [2021-03-26 11:02:43,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:02:43,270 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373175593] [2021-03-26 11:02:43,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:02:43,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:02:43,370 INFO L142 QuantifierPusher]: treesize reduction 48, result has 50.0 percent of original size [2021-03-26 11:02:43,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-26 11:02:43,399 INFO L142 QuantifierPusher]: treesize reduction 45, result has 58.3 percent of original size [2021-03-26 11:02:43,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 11:02:43,445 INFO L142 QuantifierPusher]: treesize reduction 70, result has 56.8 percent of original size [2021-03-26 11:02:43,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-03-26 11:02:43,499 INFO L142 QuantifierPusher]: treesize reduction 90, result has 35.3 percent of original size [2021-03-26 11:02:43,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 11:02:43,508 INFO L142 QuantifierPusher]: treesize reduction 90, result has 35.3 percent of original size [2021-03-26 11:02:43,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 11:02:43,548 INFO L142 QuantifierPusher]: treesize reduction 99, result has 36.9 percent of original size [2021-03-26 11:02:43,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-26 11:02:43,597 INFO L142 QuantifierPusher]: treesize reduction 62, result has 31.9 percent of original size [2021-03-26 11:02:43,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 11:02:43,619 INFO L142 QuantifierPusher]: treesize reduction 116, result has 28.4 percent of original size [2021-03-26 11:02:43,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 11:02:43,655 INFO L142 QuantifierPusher]: treesize reduction 115, result has 28.1 percent of original size [2021-03-26 11:02:43,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 11:02:43,691 INFO L142 QuantifierPusher]: treesize reduction 105, result has 25.0 percent of original size [2021-03-26 11:02:43,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 11:02:43,706 INFO L142 QuantifierPusher]: treesize reduction 155, result has 16.7 percent of original size [2021-03-26 11:02:43,707 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size 28 [2021-03-26 11:02:43,743 INFO L142 QuantifierPusher]: treesize reduction 96, result has 21.3 percent of original size [2021-03-26 11:02:43,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 11:02:43,771 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-26 11:02:43,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:02:43,787 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-26 11:02:43,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:02:43,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:02:43,788 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373175593] [2021-03-26 11:02:43,788 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:02:43,788 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-26 11:02:43,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134035706] [2021-03-26 11:02:43,788 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-26 11:02:43,788 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:02:43,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-26 11:02:43,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2021-03-26 11:02:43,790 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 321 [2021-03-26 11:02:43,792 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 93 transitions, 1069 flow. Second operand has 13 states, 13 states have (on average 141.23076923076923) internal successors, (1836), 13 states have internal predecessors, (1836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:43,792 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:02:43,792 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 321 [2021-03-26 11:02:43,792 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:02:44,600 INFO L129 PetriNetUnfolder]: 347/880 cut-off events. [2021-03-26 11:02:44,601 INFO L130 PetriNetUnfolder]: For 4719/4723 co-relation queries the response was YES. [2021-03-26 11:02:44,604 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4357 conditions, 880 events. 347/880 cut-off events. For 4719/4723 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 5808 event pairs, 135 based on Foata normal form. 4/878 useless extension candidates. Maximal degree in co-relation 4287. Up to 688 conditions per place. [2021-03-26 11:02:44,607 INFO L132 encePairwiseOnDemand]: 308/321 looper letters, 92 selfloop transitions, 25 changer transitions 14/135 dead transitions. [2021-03-26 11:02:44,608 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 135 transitions, 1730 flow [2021-03-26 11:02:44,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 11:02:44,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 11:02:44,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1598 transitions. [2021-03-26 11:02:44,612 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4525630133106769 [2021-03-26 11:02:44,612 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1598 transitions. [2021-03-26 11:02:44,612 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1598 transitions. [2021-03-26 11:02:44,612 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:02:44,613 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1598 transitions. [2021-03-26 11:02:44,615 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 145.27272727272728) internal successors, (1598), 11 states have internal predecessors, (1598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:44,618 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 321.0) internal successors, (3852), 12 states have internal predecessors, (3852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:44,619 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 321.0) internal successors, (3852), 12 states have internal predecessors, (3852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:44,619 INFO L185 Difference]: Start difference. First operand has 82 places, 93 transitions, 1069 flow. Second operand 11 states and 1598 transitions. [2021-03-26 11:02:44,619 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 135 transitions, 1730 flow [2021-03-26 11:02:44,631 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 135 transitions, 1677 flow, removed 10 selfloop flow, removed 4 redundant places. [2021-03-26 11:02:44,633 INFO L241 Difference]: Finished difference. Result has 93 places, 102 transitions, 1205 flow [2021-03-26 11:02:44,633 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=1022, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1205, PETRI_PLACES=93, PETRI_TRANSITIONS=102} [2021-03-26 11:02:44,633 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 27 predicate places. [2021-03-26 11:02:44,633 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:02:44,633 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 93 places, 102 transitions, 1205 flow [2021-03-26 11:02:44,634 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 93 places, 102 transitions, 1205 flow [2021-03-26 11:02:44,634 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 91 places, 102 transitions, 1205 flow [2021-03-26 11:02:44,673 INFO L129 PetriNetUnfolder]: 92/424 cut-off events. [2021-03-26 11:02:44,674 INFO L130 PetriNetUnfolder]: For 2293/2389 co-relation queries the response was YES. [2021-03-26 11:02:44,675 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1853 conditions, 424 events. 92/424 cut-off events. For 2293/2389 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 3163 event pairs, 11 based on Foata normal form. 10/428 useless extension candidates. Maximal degree in co-relation 1801. Up to 94 conditions per place. [2021-03-26 11:02:44,678 INFO L142 LiptonReduction]: Number of co-enabled transitions 272 [2021-03-26 11:02:44,691 INFO L154 LiptonReduction]: Checked pairs total: 452 [2021-03-26 11:02:44,691 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 11:02:44,691 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 58 [2021-03-26 11:02:44,692 INFO L480 AbstractCegarLoop]: Abstraction has has 91 places, 102 transitions, 1205 flow [2021-03-26 11:02:44,692 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 141.23076923076923) internal successors, (1836), 13 states have internal predecessors, (1836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:44,692 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:02:44,693 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:02:44,693 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-26 11:02:44,693 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 11:02:44,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:02:44,693 INFO L82 PathProgramCache]: Analyzing trace with hash 514223989, now seen corresponding path program 4 times [2021-03-26 11:02:44,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:02:44,693 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053920792] [2021-03-26 11:02:44,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:02:44,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:02:44,772 INFO L142 QuantifierPusher]: treesize reduction 21, result has 62.5 percent of original size [2021-03-26 11:02:44,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 11:02:44,797 INFO L142 QuantifierPusher]: treesize reduction 18, result has 71.0 percent of original size [2021-03-26 11:02:44,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 11:02:44,833 INFO L142 QuantifierPusher]: treesize reduction 23, result has 66.2 percent of original size [2021-03-26 11:02:44,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 11:02:44,872 INFO L142 QuantifierPusher]: treesize reduction 23, result has 61.7 percent of original size [2021-03-26 11:02:44,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 11:02:44,880 INFO L142 QuantifierPusher]: treesize reduction 23, result has 61.7 percent of original size [2021-03-26 11:02:44,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 11:02:44,917 INFO L142 QuantifierPusher]: treesize reduction 23, result has 66.7 percent of original size [2021-03-26 11:02:44,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 11:02:44,951 INFO L142 QuantifierPusher]: treesize reduction 23, result has 64.6 percent of original size [2021-03-26 11:02:44,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 11:02:44,974 INFO L142 QuantifierPusher]: treesize reduction 18, result has 60.9 percent of original size [2021-03-26 11:02:44,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 11:02:44,991 INFO L142 QuantifierPusher]: treesize reduction 45, result has 43.8 percent of original size [2021-03-26 11:02:44,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 11:02:45,017 INFO L142 QuantifierPusher]: treesize reduction 35, result has 56.3 percent of original size [2021-03-26 11:02:45,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 11:02:45,028 INFO L142 QuantifierPusher]: treesize reduction 35, result has 50.0 percent of original size [2021-03-26 11:02:45,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 11:02:45,034 INFO L142 QuantifierPusher]: treesize reduction 62, result has 33.3 percent of original size [2021-03-26 11:02:45,035 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size 28 [2021-03-26 11:02:45,072 INFO L142 QuantifierPusher]: treesize reduction 35, result has 42.6 percent of original size [2021-03-26 11:02:45,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 11:02:45,104 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-26 11:02:45,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:02:45,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:02:45,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053920792] [2021-03-26 11:02:45,124 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:02:45,124 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-26 11:02:45,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235498909] [2021-03-26 11:02:45,125 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-26 11:02:45,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:02:45,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-26 11:02:45,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2021-03-26 11:02:45,127 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 321 [2021-03-26 11:02:45,128 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 102 transitions, 1205 flow. Second operand has 13 states, 13 states have (on average 141.23076923076923) internal successors, (1836), 13 states have internal predecessors, (1836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:45,128 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:02:45,128 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 321 [2021-03-26 11:02:45,128 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:02:45,937 INFO L129 PetriNetUnfolder]: 337/855 cut-off events. [2021-03-26 11:02:45,937 INFO L130 PetriNetUnfolder]: For 5318/5326 co-relation queries the response was YES. [2021-03-26 11:02:45,940 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4528 conditions, 855 events. 337/855 cut-off events. For 5318/5326 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 5559 event pairs, 135 based on Foata normal form. 7/856 useless extension candidates. Maximal degree in co-relation 4472. Up to 683 conditions per place. [2021-03-26 11:02:45,944 INFO L132 encePairwiseOnDemand]: 309/321 looper letters, 91 selfloop transitions, 20 changer transitions 19/134 dead transitions. [2021-03-26 11:02:45,944 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 134 transitions, 1777 flow [2021-03-26 11:02:45,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 11:02:45,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 11:02:45,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1599 transitions. [2021-03-26 11:02:45,949 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45284621920135937 [2021-03-26 11:02:45,949 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1599 transitions. [2021-03-26 11:02:45,949 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1599 transitions. [2021-03-26 11:02:45,950 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:02:45,950 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1599 transitions. [2021-03-26 11:02:45,953 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 145.36363636363637) internal successors, (1599), 11 states have internal predecessors, (1599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:45,956 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 321.0) internal successors, (3852), 12 states have internal predecessors, (3852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:45,958 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 321.0) internal successors, (3852), 12 states have internal predecessors, (3852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:45,958 INFO L185 Difference]: Start difference. First operand has 91 places, 102 transitions, 1205 flow. Second operand 11 states and 1599 transitions. [2021-03-26 11:02:45,958 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 134 transitions, 1777 flow [2021-03-26 11:02:45,973 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 134 transitions, 1737 flow, removed 10 selfloop flow, removed 6 redundant places. [2021-03-26 11:02:45,975 INFO L241 Difference]: Finished difference. Result has 100 places, 98 transitions, 1172 flow [2021-03-26 11:02:45,975 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=1167, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1172, PETRI_PLACES=100, PETRI_TRANSITIONS=98} [2021-03-26 11:02:45,975 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 34 predicate places. [2021-03-26 11:02:45,975 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:02:45,976 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 100 places, 98 transitions, 1172 flow [2021-03-26 11:02:45,976 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 100 places, 98 transitions, 1172 flow [2021-03-26 11:02:45,977 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 97 places, 98 transitions, 1172 flow [2021-03-26 11:02:46,017 INFO L129 PetriNetUnfolder]: 89/421 cut-off events. [2021-03-26 11:02:46,018 INFO L130 PetriNetUnfolder]: For 2167/2236 co-relation queries the response was YES. [2021-03-26 11:02:46,020 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1845 conditions, 421 events. 89/421 cut-off events. For 2167/2236 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 3163 event pairs, 13 based on Foata normal form. 9/423 useless extension candidates. Maximal degree in co-relation 1800. Up to 92 conditions per place. [2021-03-26 11:02:46,023 INFO L142 LiptonReduction]: Number of co-enabled transitions 264 [2021-03-26 11:02:46,038 INFO L154 LiptonReduction]: Checked pairs total: 394 [2021-03-26 11:02:46,038 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 11:02:46,038 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 63 [2021-03-26 11:02:46,042 INFO L480 AbstractCegarLoop]: Abstraction has has 97 places, 98 transitions, 1172 flow [2021-03-26 11:02:46,042 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 141.23076923076923) internal successors, (1836), 13 states have internal predecessors, (1836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:46,042 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:02:46,042 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:02:46,042 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-26 11:02:46,043 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 11:02:46,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:02:46,043 INFO L82 PathProgramCache]: Analyzing trace with hash -835304729, now seen corresponding path program 5 times [2021-03-26 11:02:46,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:02:46,043 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037216085] [2021-03-26 11:02:46,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:02:46,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:02:46,147 INFO L142 QuantifierPusher]: treesize reduction 21, result has 62.5 percent of original size [2021-03-26 11:02:46,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 11:02:46,171 INFO L142 QuantifierPusher]: treesize reduction 18, result has 71.0 percent of original size [2021-03-26 11:02:46,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 11:02:46,209 INFO L142 QuantifierPusher]: treesize reduction 40, result has 58.8 percent of original size [2021-03-26 11:02:46,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-26 11:02:46,254 INFO L142 QuantifierPusher]: treesize reduction 40, result has 55.1 percent of original size [2021-03-26 11:02:46,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 11:02:46,264 INFO L142 QuantifierPusher]: treesize reduction 40, result has 59.2 percent of original size [2021-03-26 11:02:46,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-26 11:02:46,326 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 11:02:46,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 11:02:46,346 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 11:02:46,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 11:02:46,368 INFO L142 QuantifierPusher]: treesize reduction 37, result has 55.4 percent of original size [2021-03-26 11:02:46,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 11:02:46,402 INFO L142 QuantifierPusher]: treesize reduction 37, result has 49.3 percent of original size [2021-03-26 11:02:46,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 11:02:46,412 INFO L142 QuantifierPusher]: treesize reduction 64, result has 33.3 percent of original size [2021-03-26 11:02:46,413 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size 29 [2021-03-26 11:02:46,440 INFO L142 QuantifierPusher]: treesize reduction 37, result has 42.2 percent of original size [2021-03-26 11:02:46,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 11:02:46,464 INFO L142 QuantifierPusher]: treesize reduction 37, result has 41.3 percent of original size [2021-03-26 11:02:46,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 11:02:46,489 INFO L142 QuantifierPusher]: treesize reduction 37, result has 41.3 percent of original size [2021-03-26 11:02:46,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 11:02:46,489 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-26 11:02:46,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:02:46,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:02:46,505 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037216085] [2021-03-26 11:02:46,505 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:02:46,506 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-26 11:02:46,506 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59609391] [2021-03-26 11:02:46,506 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-26 11:02:46,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:02:46,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-26 11:02:46,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2021-03-26 11:02:46,508 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 321 [2021-03-26 11:02:46,509 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 98 transitions, 1172 flow. Second operand has 13 states, 13 states have (on average 141.23076923076923) internal successors, (1836), 13 states have internal predecessors, (1836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:46,509 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:02:46,509 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 321 [2021-03-26 11:02:46,509 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:02:47,286 INFO L129 PetriNetUnfolder]: 329/837 cut-off events. [2021-03-26 11:02:47,287 INFO L130 PetriNetUnfolder]: For 5438/5444 co-relation queries the response was YES. [2021-03-26 11:02:47,290 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4513 conditions, 837 events. 329/837 cut-off events. For 5438/5444 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 5458 event pairs, 127 based on Foata normal form. 2/830 useless extension candidates. Maximal degree in co-relation 4465. Up to 624 conditions per place. [2021-03-26 11:02:47,293 INFO L132 encePairwiseOnDemand]: 308/321 looper letters, 94 selfloop transitions, 29 changer transitions 7/134 dead transitions. [2021-03-26 11:02:47,293 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 134 transitions, 1822 flow [2021-03-26 11:02:47,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 11:02:47,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 11:02:47,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1741 transitions. [2021-03-26 11:02:47,296 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4519730010384216 [2021-03-26 11:02:47,296 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1741 transitions. [2021-03-26 11:02:47,296 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1741 transitions. [2021-03-26 11:02:47,296 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:02:47,296 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1741 transitions. [2021-03-26 11:02:47,298 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 145.08333333333334) internal successors, (1741), 12 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:47,302 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 321.0) internal successors, (4173), 13 states have internal predecessors, (4173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:47,303 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 321.0) internal successors, (4173), 13 states have internal predecessors, (4173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:47,303 INFO L185 Difference]: Start difference. First operand has 97 places, 98 transitions, 1172 flow. Second operand 12 states and 1741 transitions. [2021-03-26 11:02:47,303 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 134 transitions, 1822 flow [2021-03-26 11:02:47,320 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 134 transitions, 1745 flow, removed 17 selfloop flow, removed 11 redundant places. [2021-03-26 11:02:47,322 INFO L241 Difference]: Finished difference. Result has 100 places, 102 transitions, 1215 flow [2021-03-26 11:02:47,322 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=1111, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1215, PETRI_PLACES=100, PETRI_TRANSITIONS=102} [2021-03-26 11:02:47,323 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 34 predicate places. [2021-03-26 11:02:47,323 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:02:47,323 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 100 places, 102 transitions, 1215 flow [2021-03-26 11:02:47,323 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 100 places, 102 transitions, 1215 flow [2021-03-26 11:02:47,324 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 99 places, 102 transitions, 1215 flow [2021-03-26 11:02:47,373 INFO L129 PetriNetUnfolder]: 92/422 cut-off events. [2021-03-26 11:02:47,374 INFO L130 PetriNetUnfolder]: For 2272/2360 co-relation queries the response was YES. [2021-03-26 11:02:47,376 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1888 conditions, 422 events. 92/422 cut-off events. For 2272/2360 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 3123 event pairs, 13 based on Foata normal form. 7/424 useless extension candidates. Maximal degree in co-relation 1845. Up to 98 conditions per place. [2021-03-26 11:02:47,378 INFO L142 LiptonReduction]: Number of co-enabled transitions 264 [2021-03-26 11:02:47,388 INFO L154 LiptonReduction]: Checked pairs total: 105 [2021-03-26 11:02:47,388 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 11:02:47,388 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 65 [2021-03-26 11:02:47,389 INFO L480 AbstractCegarLoop]: Abstraction has has 99 places, 102 transitions, 1215 flow [2021-03-26 11:02:47,389 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 141.23076923076923) internal successors, (1836), 13 states have internal predecessors, (1836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:47,389 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:02:47,390 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:02:47,390 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-26 11:02:47,390 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 11:02:47,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:02:47,390 INFO L82 PathProgramCache]: Analyzing trace with hash -406875799, now seen corresponding path program 6 times [2021-03-26 11:02:47,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:02:47,390 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095828399] [2021-03-26 11:02:47,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:02:47,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:02:47,465 INFO L142 QuantifierPusher]: treesize reduction 21, result has 62.5 percent of original size [2021-03-26 11:02:47,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 11:02:47,492 INFO L142 QuantifierPusher]: treesize reduction 18, result has 71.0 percent of original size [2021-03-26 11:02:47,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 11:02:47,532 INFO L142 QuantifierPusher]: treesize reduction 40, result has 58.8 percent of original size [2021-03-26 11:02:47,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-26 11:02:47,577 INFO L142 QuantifierPusher]: treesize reduction 40, result has 55.1 percent of original size [2021-03-26 11:02:47,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 11:02:47,586 INFO L142 QuantifierPusher]: treesize reduction 40, result has 59.2 percent of original size [2021-03-26 11:02:47,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-26 11:02:47,633 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 11:02:47,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 11:02:47,651 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 11:02:47,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 11:02:47,671 INFO L142 QuantifierPusher]: treesize reduction 35, result has 56.8 percent of original size [2021-03-26 11:02:47,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 11:02:47,705 INFO L142 QuantifierPusher]: treesize reduction 35, result has 50.7 percent of original size [2021-03-26 11:02:47,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 11:02:47,718 INFO L142 QuantifierPusher]: treesize reduction 62, result has 34.0 percent of original size [2021-03-26 11:02:47,719 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size 29 [2021-03-26 11:02:47,754 INFO L142 QuantifierPusher]: treesize reduction 62, result has 33.3 percent of original size [2021-03-26 11:02:47,754 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size 28 [2021-03-26 11:02:47,791 INFO L142 QuantifierPusher]: treesize reduction 35, result has 42.6 percent of original size [2021-03-26 11:02:47,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 11:02:47,822 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-26 11:02:47,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:02:47,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:02:47,841 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095828399] [2021-03-26 11:02:47,841 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:02:47,842 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-26 11:02:47,842 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657320935] [2021-03-26 11:02:47,842 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-26 11:02:47,842 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:02:47,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-26 11:02:47,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2021-03-26 11:02:47,844 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 321 [2021-03-26 11:02:47,845 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 102 transitions, 1215 flow. Second operand has 13 states, 13 states have (on average 141.23076923076923) internal successors, (1836), 13 states have internal predecessors, (1836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:47,845 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:02:47,845 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 321 [2021-03-26 11:02:47,845 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:02:48,593 INFO L129 PetriNetUnfolder]: 324/823 cut-off events. [2021-03-26 11:02:48,593 INFO L130 PetriNetUnfolder]: For 5506/5512 co-relation queries the response was YES. [2021-03-26 11:02:48,597 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4459 conditions, 823 events. 324/823 cut-off events. For 5506/5512 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 5322 event pairs, 130 based on Foata normal form. 3/817 useless extension candidates. Maximal degree in co-relation 4414. Up to 618 conditions per place. [2021-03-26 11:02:48,600 INFO L132 encePairwiseOnDemand]: 308/321 looper letters, 87 selfloop transitions, 20 changer transitions 16/127 dead transitions. [2021-03-26 11:02:48,601 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 127 transitions, 1746 flow [2021-03-26 11:02:48,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 11:02:48,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 11:02:48,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1594 transitions. [2021-03-26 11:02:48,603 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45143018974794674 [2021-03-26 11:02:48,603 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1594 transitions. [2021-03-26 11:02:48,603 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1594 transitions. [2021-03-26 11:02:48,604 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:02:48,604 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1594 transitions. [2021-03-26 11:02:48,606 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 144.9090909090909) internal successors, (1594), 11 states have internal predecessors, (1594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:48,608 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 321.0) internal successors, (3852), 12 states have internal predecessors, (3852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:48,609 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 321.0) internal successors, (3852), 12 states have internal predecessors, (3852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:48,609 INFO L185 Difference]: Start difference. First operand has 99 places, 102 transitions, 1215 flow. Second operand 11 states and 1594 transitions. [2021-03-26 11:02:48,609 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 127 transitions, 1746 flow [2021-03-26 11:02:48,623 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 127 transitions, 1702 flow, removed 7 selfloop flow, removed 6 redundant places. [2021-03-26 11:02:48,625 INFO L241 Difference]: Finished difference. Result has 104 places, 92 transitions, 1109 flow [2021-03-26 11:02:48,625 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=1156, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1109, PETRI_PLACES=104, PETRI_TRANSITIONS=92} [2021-03-26 11:02:48,625 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 38 predicate places. [2021-03-26 11:02:48,625 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:02:48,625 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 104 places, 92 transitions, 1109 flow [2021-03-26 11:02:48,626 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 104 places, 92 transitions, 1109 flow [2021-03-26 11:02:48,626 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 92 places, 92 transitions, 1109 flow [2021-03-26 11:02:48,662 INFO L129 PetriNetUnfolder]: 90/395 cut-off events. [2021-03-26 11:02:48,662 INFO L130 PetriNetUnfolder]: For 2100/2187 co-relation queries the response was YES. [2021-03-26 11:02:48,664 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1789 conditions, 395 events. 90/395 cut-off events. For 2100/2187 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 2840 event pairs, 12 based on Foata normal form. 9/396 useless extension candidates. Maximal degree in co-relation 1745. Up to 92 conditions per place. [2021-03-26 11:02:48,667 INFO L142 LiptonReduction]: Number of co-enabled transitions 258 [2021-03-26 11:02:48,679 INFO L154 LiptonReduction]: Checked pairs total: 390 [2021-03-26 11:02:48,679 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 11:02:48,679 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 54 [2021-03-26 11:02:48,680 INFO L480 AbstractCegarLoop]: Abstraction has has 92 places, 92 transitions, 1109 flow [2021-03-26 11:02:48,680 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 141.23076923076923) internal successors, (1836), 13 states have internal predecessors, (1836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:48,680 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:02:48,680 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:02:48,681 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-26 11:02:48,681 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 11:02:48,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:02:48,681 INFO L82 PathProgramCache]: Analyzing trace with hash -1392189799, now seen corresponding path program 7 times [2021-03-26 11:02:48,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:02:48,681 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756217782] [2021-03-26 11:02:48,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:02:48,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:02:48,752 INFO L142 QuantifierPusher]: treesize reduction 21, result has 62.5 percent of original size [2021-03-26 11:02:48,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 11:02:48,780 INFO L142 QuantifierPusher]: treesize reduction 18, result has 71.0 percent of original size [2021-03-26 11:02:48,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 11:02:48,814 INFO L142 QuantifierPusher]: treesize reduction 40, result has 58.8 percent of original size [2021-03-26 11:02:48,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-26 11:02:48,858 INFO L142 QuantifierPusher]: treesize reduction 40, result has 55.1 percent of original size [2021-03-26 11:02:48,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 11:02:48,868 INFO L142 QuantifierPusher]: treesize reduction 40, result has 55.1 percent of original size [2021-03-26 11:02:48,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 11:02:48,908 INFO L142 QuantifierPusher]: treesize reduction 40, result has 59.2 percent of original size [2021-03-26 11:02:48,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-26 11:02:48,955 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 11:02:48,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 11:02:48,975 INFO L142 QuantifierPusher]: treesize reduction 37, result has 55.4 percent of original size [2021-03-26 11:02:48,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 11:02:49,010 INFO L142 QuantifierPusher]: treesize reduction 37, result has 49.3 percent of original size [2021-03-26 11:02:49,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 11:02:49,023 INFO L142 QuantifierPusher]: treesize reduction 64, result has 33.3 percent of original size [2021-03-26 11:02:49,024 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size 29 [2021-03-26 11:02:49,058 INFO L142 QuantifierPusher]: treesize reduction 37, result has 42.2 percent of original size [2021-03-26 11:02:49,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 11:02:49,088 INFO L142 QuantifierPusher]: treesize reduction 37, result has 41.3 percent of original size [2021-03-26 11:02:49,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 11:02:49,120 INFO L142 QuantifierPusher]: treesize reduction 37, result has 41.3 percent of original size [2021-03-26 11:02:49,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 11:02:49,121 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-26 11:02:49,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:02:49,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:02:49,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756217782] [2021-03-26 11:02:49,142 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:02:49,142 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-26 11:02:49,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010191101] [2021-03-26 11:02:49,142 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-26 11:02:49,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:02:49,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-26 11:02:49,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2021-03-26 11:02:49,144 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 321 [2021-03-26 11:02:49,145 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 92 transitions, 1109 flow. Second operand has 13 states, 13 states have (on average 141.23076923076923) internal successors, (1836), 13 states have internal predecessors, (1836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:49,145 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:02:49,145 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 321 [2021-03-26 11:02:49,145 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:02:49,882 INFO L129 PetriNetUnfolder]: 324/817 cut-off events. [2021-03-26 11:02:49,882 INFO L130 PetriNetUnfolder]: For 5278/5284 co-relation queries the response was YES. [2021-03-26 11:02:49,885 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4432 conditions, 817 events. 324/817 cut-off events. For 5278/5284 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 5257 event pairs, 137 based on Foata normal form. 2/810 useless extension candidates. Maximal degree in co-relation 4377. Up to 669 conditions per place. [2021-03-26 11:02:49,889 INFO L132 encePairwiseOnDemand]: 308/321 looper letters, 83 selfloop transitions, 23 changer transitions 9/119 dead transitions. [2021-03-26 11:02:49,889 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 119 transitions, 1625 flow [2021-03-26 11:02:49,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 11:02:49,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 11:02:49,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1736 transitions. [2021-03-26 11:02:49,892 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45067497403946 [2021-03-26 11:02:49,892 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1736 transitions. [2021-03-26 11:02:49,892 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1736 transitions. [2021-03-26 11:02:49,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:02:49,893 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1736 transitions. [2021-03-26 11:02:49,895 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 144.66666666666666) internal successors, (1736), 12 states have internal predecessors, (1736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:49,898 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 321.0) internal successors, (4173), 13 states have internal predecessors, (4173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:49,898 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 321.0) internal successors, (4173), 13 states have internal predecessors, (4173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:49,898 INFO L185 Difference]: Start difference. First operand has 92 places, 92 transitions, 1109 flow. Second operand 12 states and 1736 transitions. [2021-03-26 11:02:49,898 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 119 transitions, 1625 flow [2021-03-26 11:02:49,912 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 119 transitions, 1543 flow, removed 19 selfloop flow, removed 11 redundant places. [2021-03-26 11:02:49,914 INFO L241 Difference]: Finished difference. Result has 96 places, 95 transitions, 1146 flow [2021-03-26 11:02:49,914 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=1053, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1146, PETRI_PLACES=96, PETRI_TRANSITIONS=95} [2021-03-26 11:02:49,914 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 30 predicate places. [2021-03-26 11:02:49,914 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:02:49,915 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 96 places, 95 transitions, 1146 flow [2021-03-26 11:02:49,915 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 96 places, 95 transitions, 1146 flow [2021-03-26 11:02:49,915 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 95 places, 95 transitions, 1146 flow [2021-03-26 11:02:49,943 INFO L129 PetriNetUnfolder]: 90/399 cut-off events. [2021-03-26 11:02:49,944 INFO L130 PetriNetUnfolder]: For 2103/2186 co-relation queries the response was YES. [2021-03-26 11:02:49,945 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1777 conditions, 399 events. 90/399 cut-off events. For 2103/2186 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 2901 event pairs, 12 based on Foata normal form. 14/403 useless extension candidates. Maximal degree in co-relation 1735. Up to 92 conditions per place. [2021-03-26 11:02:49,947 INFO L142 LiptonReduction]: Number of co-enabled transitions 258 [2021-03-26 11:02:49,956 INFO L154 LiptonReduction]: Checked pairs total: 100 [2021-03-26 11:02:49,956 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 11:02:49,956 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 42 [2021-03-26 11:02:49,956 INFO L480 AbstractCegarLoop]: Abstraction has has 95 places, 95 transitions, 1146 flow [2021-03-26 11:02:49,957 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 141.23076923076923) internal successors, (1836), 13 states have internal predecessors, (1836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:49,957 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:02:49,957 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:02:49,957 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-26 11:02:49,957 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 11:02:49,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:02:49,958 INFO L82 PathProgramCache]: Analyzing trace with hash -963760869, now seen corresponding path program 8 times [2021-03-26 11:02:49,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:02:49,958 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847906942] [2021-03-26 11:02:49,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:02:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:02:50,026 INFO L142 QuantifierPusher]: treesize reduction 21, result has 62.5 percent of original size [2021-03-26 11:02:50,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 11:02:50,051 INFO L142 QuantifierPusher]: treesize reduction 18, result has 71.0 percent of original size [2021-03-26 11:02:50,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 11:02:50,087 INFO L142 QuantifierPusher]: treesize reduction 40, result has 58.8 percent of original size [2021-03-26 11:02:50,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-26 11:02:50,131 INFO L142 QuantifierPusher]: treesize reduction 40, result has 55.1 percent of original size [2021-03-26 11:02:50,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 11:02:50,140 INFO L142 QuantifierPusher]: treesize reduction 40, result has 55.1 percent of original size [2021-03-26 11:02:50,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 11:02:50,180 INFO L142 QuantifierPusher]: treesize reduction 40, result has 59.2 percent of original size [2021-03-26 11:02:50,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-26 11:02:50,229 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 11:02:50,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 11:02:50,245 INFO L142 QuantifierPusher]: treesize reduction 35, result has 56.8 percent of original size [2021-03-26 11:02:50,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 11:02:50,278 INFO L142 QuantifierPusher]: treesize reduction 35, result has 50.7 percent of original size [2021-03-26 11:02:50,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 11:02:50,289 INFO L142 QuantifierPusher]: treesize reduction 62, result has 34.0 percent of original size [2021-03-26 11:02:50,289 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size 29 [2021-03-26 11:02:50,326 INFO L142 QuantifierPusher]: treesize reduction 62, result has 33.3 percent of original size [2021-03-26 11:02:50,336 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size 28 [2021-03-26 11:02:50,372 INFO L142 QuantifierPusher]: treesize reduction 35, result has 42.6 percent of original size [2021-03-26 11:02:50,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 11:02:50,399 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-26 11:02:50,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:02:50,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:02:50,415 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847906942] [2021-03-26 11:02:50,416 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:02:50,416 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-26 11:02:50,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326704105] [2021-03-26 11:02:50,416 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-26 11:02:50,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:02:50,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-26 11:02:50,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2021-03-26 11:02:50,418 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 321 [2021-03-26 11:02:50,419 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 95 transitions, 1146 flow. Second operand has 13 states, 13 states have (on average 141.23076923076923) internal successors, (1836), 13 states have internal predecessors, (1836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:50,419 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:02:50,419 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 321 [2021-03-26 11:02:50,419 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:02:51,000 INFO L129 PetriNetUnfolder]: 319/804 cut-off events. [2021-03-26 11:02:51,000 INFO L130 PetriNetUnfolder]: For 4943/4949 co-relation queries the response was YES. [2021-03-26 11:02:51,003 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4281 conditions, 804 events. 319/804 cut-off events. For 4943/4949 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 5139 event pairs, 140 based on Foata normal form. 3/799 useless extension candidates. Maximal degree in co-relation 4237. Up to 663 conditions per place. [2021-03-26 11:02:51,006 INFO L132 encePairwiseOnDemand]: 309/321 looper letters, 74 selfloop transitions, 13 changer transitions 21/112 dead transitions. [2021-03-26 11:02:51,006 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 112 transitions, 1522 flow [2021-03-26 11:02:51,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 11:02:51,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 11:02:51,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1589 transitions. [2021-03-26 11:02:51,008 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4500141602945341 [2021-03-26 11:02:51,008 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1589 transitions. [2021-03-26 11:02:51,008 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1589 transitions. [2021-03-26 11:02:51,009 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:02:51,009 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1589 transitions. [2021-03-26 11:02:51,010 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 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) [2021-03-26 11:02:51,013 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 321.0) internal successors, (3852), 12 states have internal predecessors, (3852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:51,013 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 321.0) internal successors, (3852), 12 states have internal predecessors, (3852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:51,013 INFO L185 Difference]: Start difference. First operand has 95 places, 95 transitions, 1146 flow. Second operand 11 states and 1589 transitions. [2021-03-26 11:02:51,013 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 112 transitions, 1522 flow [2021-03-26 11:02:51,026 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 112 transitions, 1474 flow, removed 7 selfloop flow, removed 7 redundant places. [2021-03-26 11:02:51,028 INFO L241 Difference]: Finished difference. Result has 99 places, 82 transitions, 980 flow [2021-03-26 11:02:51,029 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=1081, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=980, PETRI_PLACES=99, PETRI_TRANSITIONS=82} [2021-03-26 11:02:51,029 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 33 predicate places. [2021-03-26 11:02:51,029 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:02:51,029 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 99 places, 82 transitions, 980 flow [2021-03-26 11:02:51,029 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 99 places, 82 transitions, 980 flow [2021-03-26 11:02:51,030 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 82 transitions, 980 flow [2021-03-26 11:02:51,063 INFO L129 PetriNetUnfolder]: 85/373 cut-off events. [2021-03-26 11:02:51,064 INFO L130 PetriNetUnfolder]: For 1846/1911 co-relation queries the response was YES. [2021-03-26 11:02:51,065 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1642 conditions, 373 events. 85/373 cut-off events. For 1846/1911 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 2695 event pairs, 13 based on Foata normal form. 9/371 useless extension candidates. Maximal degree in co-relation 1600. Up to 90 conditions per place. [2021-03-26 11:02:51,068 INFO L142 LiptonReduction]: Number of co-enabled transitions 242 [2021-03-26 11:02:51,111 INFO L154 LiptonReduction]: Checked pairs total: 396 [2021-03-26 11:02:51,111 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 11:02:51,112 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 83 [2021-03-26 11:02:51,112 INFO L480 AbstractCegarLoop]: Abstraction has has 84 places, 82 transitions, 980 flow [2021-03-26 11:02:51,112 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 141.23076923076923) internal successors, (1836), 13 states have internal predecessors, (1836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:51,113 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:02:51,113 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:02:51,113 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-26 11:02:51,113 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 11:02:51,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:02:51,113 INFO L82 PathProgramCache]: Analyzing trace with hash 1784571136, now seen corresponding path program 1 times [2021-03-26 11:02:51,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:02:51,113 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975750082] [2021-03-26 11:02:51,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:02:51,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:02:51,195 INFO L142 QuantifierPusher]: treesize reduction 18, result has 62.5 percent of original size [2021-03-26 11:02:51,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 11:02:51,207 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.7 percent of original size [2021-03-26 11:02:51,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 11:02:51,224 INFO L142 QuantifierPusher]: treesize reduction 18, result has 60.9 percent of original size [2021-03-26 11:02:51,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 11:02:51,249 INFO L142 QuantifierPusher]: treesize reduction 18, result has 60.9 percent of original size [2021-03-26 11:02:51,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 11:02:51,266 INFO L142 QuantifierPusher]: treesize reduction 18, result has 60.0 percent of original size [2021-03-26 11:02:51,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 11:02:51,286 INFO L142 QuantifierPusher]: treesize reduction 43, result has 58.7 percent of original size [2021-03-26 11:02:51,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 11:02:51,333 INFO L142 QuantifierPusher]: treesize reduction 43, result has 56.6 percent of original size [2021-03-26 11:02:51,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 11:02:51,348 INFO L142 QuantifierPusher]: treesize reduction 43, result has 60.6 percent of original size [2021-03-26 11:02:51,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-26 11:02:51,390 INFO L142 QuantifierPusher]: treesize reduction 25, result has 56.9 percent of original size [2021-03-26 11:02:51,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 11:02:51,418 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-03-26 11:02:51,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 11:02:51,424 INFO L142 QuantifierPusher]: treesize reduction 37, result has 54.9 percent of original size [2021-03-26 11:02:51,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 11:02:51,453 INFO L142 QuantifierPusher]: treesize reduction 37, result has 48.6 percent of original size [2021-03-26 11:02:51,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 11:02:51,465 INFO L142 QuantifierPusher]: treesize reduction 64, result has 32.6 percent of original size [2021-03-26 11:02:51,466 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size 28 [2021-03-26 11:02:51,494 INFO L142 QuantifierPusher]: treesize reduction 37, result has 41.3 percent of original size [2021-03-26 11:02:51,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 11:02:51,520 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-26 11:02:51,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:02:51,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:02:51,537 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975750082] [2021-03-26 11:02:51,537 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:02:51,537 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-26 11:02:51,537 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123497736] [2021-03-26 11:02:51,538 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 11:02:51,538 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:02:51,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 11:02:51,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2021-03-26 11:02:51,540 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 321 [2021-03-26 11:02:51,541 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 82 transitions, 980 flow. Second operand has 14 states, 14 states have (on average 141.21428571428572) internal successors, (1977), 14 states have internal predecessors, (1977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:51,541 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:02:51,541 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 321 [2021-03-26 11:02:51,541 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:02:52,223 INFO L129 PetriNetUnfolder]: 378/961 cut-off events. [2021-03-26 11:02:52,224 INFO L130 PetriNetUnfolder]: For 5724/5728 co-relation queries the response was YES. [2021-03-26 11:02:52,227 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5069 conditions, 961 events. 378/961 cut-off events. For 5724/5728 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 6540 event pairs, 154 based on Foata normal form. 4/957 useless extension candidates. Maximal degree in co-relation 5025. Up to 700 conditions per place. [2021-03-26 11:02:52,229 INFO L132 encePairwiseOnDemand]: 309/321 looper letters, 87 selfloop transitions, 21 changer transitions 24/136 dead transitions. [2021-03-26 11:02:52,230 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 136 transitions, 1882 flow [2021-03-26 11:02:52,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 11:02:52,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 11:02:52,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1597 transitions. [2021-03-26 11:02:52,231 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45227980741999435 [2021-03-26 11:02:52,231 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1597 transitions. [2021-03-26 11:02:52,231 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1597 transitions. [2021-03-26 11:02:52,232 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:02:52,232 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1597 transitions. [2021-03-26 11:02:52,233 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 145.1818181818182) internal successors, (1597), 11 states have internal predecessors, (1597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:52,236 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 321.0) internal successors, (3852), 12 states have internal predecessors, (3852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:52,236 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 321.0) internal successors, (3852), 12 states have internal predecessors, (3852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:52,237 INFO L185 Difference]: Start difference. First operand has 84 places, 82 transitions, 980 flow. Second operand 11 states and 1597 transitions. [2021-03-26 11:02:52,237 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 136 transitions, 1882 flow [2021-03-26 11:02:52,253 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 136 transitions, 1749 flow, removed 24 selfloop flow, removed 15 redundant places. [2021-03-26 11:02:52,255 INFO L241 Difference]: Finished difference. Result has 87 places, 97 transitions, 1216 flow [2021-03-26 11:02:52,255 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=909, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1216, PETRI_PLACES=87, PETRI_TRANSITIONS=97} [2021-03-26 11:02:52,255 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 21 predicate places. [2021-03-26 11:02:52,256 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:02:52,256 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 87 places, 97 transitions, 1216 flow [2021-03-26 11:02:52,256 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 87 places, 97 transitions, 1216 flow [2021-03-26 11:02:52,257 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 97 transitions, 1216 flow [2021-03-26 11:02:52,296 INFO L129 PetriNetUnfolder]: 100/441 cut-off events. [2021-03-26 11:02:52,296 INFO L130 PetriNetUnfolder]: For 2410/2466 co-relation queries the response was YES. [2021-03-26 11:02:52,298 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2060 conditions, 441 events. 100/441 cut-off events. For 2410/2466 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 3241 event pairs, 13 based on Foata normal form. 12/447 useless extension candidates. Maximal degree in co-relation 2007. Up to 105 conditions per place. [2021-03-26 11:02:52,301 INFO L142 LiptonReduction]: Number of co-enabled transitions 244 [2021-03-26 11:02:52,318 INFO L154 LiptonReduction]: Checked pairs total: 502 [2021-03-26 11:02:52,318 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 11:02:52,318 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 62 [2021-03-26 11:02:52,318 INFO L480 AbstractCegarLoop]: Abstraction has has 84 places, 97 transitions, 1216 flow [2021-03-26 11:02:52,319 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 141.21428571428572) internal successors, (1977), 14 states have internal predecessors, (1977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:52,319 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:02:52,319 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:02:52,319 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-03-26 11:02:52,319 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 11:02:52,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:02:52,320 INFO L82 PathProgramCache]: Analyzing trace with hash -367214770, now seen corresponding path program 2 times [2021-03-26 11:02:52,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:02:52,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22099776] [2021-03-26 11:02:52,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:02:52,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:02:52,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:02:52,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:02:52,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:02:52,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:02:52,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:02:52,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:02:52,386 INFO L142 QuantifierPusher]: treesize reduction 15, result has 68.8 percent of original size [2021-03-26 11:02:52,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 11:02:52,416 INFO L142 QuantifierPusher]: treesize reduction 15, result has 69.4 percent of original size [2021-03-26 11:02:52,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 11:02:52,451 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-03-26 11:02:52,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 11:02:52,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:02:52,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 11:02:52,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:02:52,453 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22099776] [2021-03-26 11:02:52,453 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:02:52,453 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 11:02:52,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643105908] [2021-03-26 11:02:52,454 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 11:02:52,454 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:02:52,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 11:02:52,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-26 11:02:52,456 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 252 out of 321 [2021-03-26 11:02:52,457 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 97 transitions, 1216 flow. Second operand has 7 states, 7 states have (on average 253.42857142857142) internal successors, (1774), 7 states have internal predecessors, (1774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:52,457 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:02:52,457 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 252 of 321 [2021-03-26 11:02:52,457 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:02:52,600 INFO L129 PetriNetUnfolder]: 75/344 cut-off events. [2021-03-26 11:02:52,600 INFO L130 PetriNetUnfolder]: For 2263/2282 co-relation queries the response was YES. [2021-03-26 11:02:52,602 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1764 conditions, 344 events. 75/344 cut-off events. For 2263/2282 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 2265 event pairs, 6 based on Foata normal form. 18/357 useless extension candidates. Maximal degree in co-relation 1721. Up to 87 conditions per place. [2021-03-26 11:02:52,603 INFO L132 encePairwiseOnDemand]: 314/321 looper letters, 31 selfloop transitions, 8 changer transitions 1/89 dead transitions. [2021-03-26 11:02:52,603 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 89 transitions, 1148 flow [2021-03-26 11:02:52,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 11:02:52,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 11:02:52,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1530 transitions. [2021-03-26 11:02:52,605 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.794392523364486 [2021-03-26 11:02:52,605 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1530 transitions. [2021-03-26 11:02:52,605 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1530 transitions. [2021-03-26 11:02:52,605 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:02:52,605 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1530 transitions. [2021-03-26 11:02:52,607 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 255.0) internal successors, (1530), 6 states have internal predecessors, (1530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:52,610 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 321.0) internal successors, (2247), 7 states have internal predecessors, (2247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:52,610 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 321.0) internal successors, (2247), 7 states have internal predecessors, (2247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:52,610 INFO L185 Difference]: Start difference. First operand has 84 places, 97 transitions, 1216 flow. Second operand 6 states and 1530 transitions. [2021-03-26 11:02:52,610 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 89 transitions, 1148 flow [2021-03-26 11:02:52,618 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 89 transitions, 1067 flow, removed 30 selfloop flow, removed 7 redundant places. [2021-03-26 11:02:52,619 INFO L241 Difference]: Finished difference. Result has 83 places, 79 transitions, 893 flow [2021-03-26 11:02:52,620 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=868, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=893, PETRI_PLACES=83, PETRI_TRANSITIONS=79} [2021-03-26 11:02:52,620 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 17 predicate places. [2021-03-26 11:02:52,620 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:02:52,620 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 79 transitions, 893 flow [2021-03-26 11:02:52,620 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 79 transitions, 893 flow [2021-03-26 11:02:52,621 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 79 transitions, 893 flow [2021-03-26 11:02:52,649 INFO L129 PetriNetUnfolder]: 73/323 cut-off events. [2021-03-26 11:02:52,649 INFO L130 PetriNetUnfolder]: For 1774/1793 co-relation queries the response was YES. [2021-03-26 11:02:52,651 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1547 conditions, 323 events. 73/323 cut-off events. For 1774/1793 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 2070 event pairs, 13 based on Foata normal form. 7/324 useless extension candidates. Maximal degree in co-relation 1326. Up to 84 conditions per place. [2021-03-26 11:02:52,653 INFO L142 LiptonReduction]: Number of co-enabled transitions 196 [2021-03-26 11:02:52,932 INFO L154 LiptonReduction]: Checked pairs total: 588 [2021-03-26 11:02:52,932 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 11:02:52,932 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 312 [2021-03-26 11:02:52,933 INFO L480 AbstractCegarLoop]: Abstraction has has 83 places, 79 transitions, 913 flow [2021-03-26 11:02:52,933 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 253.42857142857142) internal successors, (1774), 7 states have internal predecessors, (1774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:52,933 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:02:52,933 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:02:52,933 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-03-26 11:02:52,933 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 11:02:52,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:02:52,934 INFO L82 PathProgramCache]: Analyzing trace with hash 543538240, now seen corresponding path program 3 times [2021-03-26 11:02:52,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:02:52,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240409193] [2021-03-26 11:02:52,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:02:52,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:02:52,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:02:52,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:02:52,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:02:52,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:02:52,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:02:52,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:02:52,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:02:52,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:02:53,004 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-03-26 11:02:53,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 11:02:53,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:02:53,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 11:02:53,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:02:53,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240409193] [2021-03-26 11:02:53,006 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:02:53,006 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 11:02:53,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892186069] [2021-03-26 11:02:53,006 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 11:02:53,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:02:53,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 11:02:53,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-26 11:02:53,008 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 249 out of 323 [2021-03-26 11:02:53,009 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 79 transitions, 913 flow. Second operand has 6 states, 6 states have (on average 250.66666666666666) internal successors, (1504), 6 states have internal predecessors, (1504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:53,010 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:02:53,010 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 249 of 323 [2021-03-26 11:02:53,010 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:02:53,102 INFO L129 PetriNetUnfolder]: 19/158 cut-off events. [2021-03-26 11:02:53,102 INFO L130 PetriNetUnfolder]: For 1190/1198 co-relation queries the response was YES. [2021-03-26 11:02:53,103 INFO L84 FinitePrefix]: Finished finitePrefix Result has 787 conditions, 158 events. 19/158 cut-off events. For 1190/1198 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 842 event pairs, 2 based on Foata normal form. 11/167 useless extension candidates. Maximal degree in co-relation 627. Up to 33 conditions per place. [2021-03-26 11:02:53,103 INFO L132 encePairwiseOnDemand]: 315/323 looper letters, 11 selfloop transitions, 9 changer transitions 2/58 dead transitions. [2021-03-26 11:02:53,103 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 58 transitions, 691 flow [2021-03-26 11:02:53,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 11:02:53,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 11:02:53,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1507 transitions. [2021-03-26 11:02:53,105 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7776057791537667 [2021-03-26 11:02:53,105 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1507 transitions. [2021-03-26 11:02:53,105 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1507 transitions. [2021-03-26 11:02:53,106 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:02:53,106 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1507 transitions. [2021-03-26 11:02:53,107 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 251.16666666666666) internal successors, (1507), 6 states have internal predecessors, (1507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:53,110 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 323.0) internal successors, (2261), 7 states have internal predecessors, (2261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:53,110 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 323.0) internal successors, (2261), 7 states have internal predecessors, (2261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:53,110 INFO L185 Difference]: Start difference. First operand has 83 places, 79 transitions, 913 flow. Second operand 6 states and 1507 transitions. [2021-03-26 11:02:53,110 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 58 transitions, 691 flow [2021-03-26 11:02:53,115 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 58 transitions, 570 flow, removed 39 selfloop flow, removed 14 redundant places. [2021-03-26 11:02:53,116 INFO L241 Difference]: Finished difference. Result has 74 places, 56 transitions, 531 flow [2021-03-26 11:02:53,116 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=323, PETRI_DIFFERENCE_MINUEND_FLOW=528, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=531, PETRI_PLACES=74, PETRI_TRANSITIONS=56} [2021-03-26 11:02:53,116 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 8 predicate places. [2021-03-26 11:02:53,116 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:02:53,116 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 56 transitions, 531 flow [2021-03-26 11:02:53,116 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 56 transitions, 531 flow [2021-03-26 11:02:53,117 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 72 places, 56 transitions, 531 flow [2021-03-26 11:02:53,129 INFO L129 PetriNetUnfolder]: 19/147 cut-off events. [2021-03-26 11:02:53,129 INFO L130 PetriNetUnfolder]: For 607/613 co-relation queries the response was YES. [2021-03-26 11:02:53,129 INFO L84 FinitePrefix]: Finished finitePrefix Result has 574 conditions, 147 events. 19/147 cut-off events. For 607/613 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 758 event pairs, 2 based on Foata normal form. 3/146 useless extension candidates. Maximal degree in co-relation 440. Up to 32 conditions per place. [2021-03-26 11:02:53,130 INFO L142 LiptonReduction]: Number of co-enabled transitions 102 [2021-03-26 11:02:53,436 INFO L154 LiptonReduction]: Checked pairs total: 188 [2021-03-26 11:02:53,436 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-26 11:02:53,436 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 320 [2021-03-26 11:02:53,437 INFO L480 AbstractCegarLoop]: Abstraction has has 72 places, 56 transitions, 543 flow [2021-03-26 11:02:53,437 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 250.66666666666666) internal successors, (1504), 6 states have internal predecessors, (1504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:53,437 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:02:53,437 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:02:53,437 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-03-26 11:02:53,437 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 11:02:53,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:02:53,438 INFO L82 PathProgramCache]: Analyzing trace with hash -2053972722, now seen corresponding path program 4 times [2021-03-26 11:02:53,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:02:53,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532619524] [2021-03-26 11:02:53,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:02:53,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:02:53,538 INFO L142 QuantifierPusher]: treesize reduction 18, result has 62.5 percent of original size [2021-03-26 11:02:53,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 11:02:53,550 INFO L142 QuantifierPusher]: treesize reduction 18, result has 68.4 percent of original size [2021-03-26 11:02:53,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 11:02:53,579 INFO L142 QuantifierPusher]: treesize reduction 18, result has 63.3 percent of original size [2021-03-26 11:02:53,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 11:02:53,610 INFO L142 QuantifierPusher]: treesize reduction 18, result has 63.3 percent of original size [2021-03-26 11:02:53,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 11:02:53,634 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.3 percent of original size [2021-03-26 11:02:53,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 11:02:53,663 INFO L142 QuantifierPusher]: treesize reduction 23, result has 58.9 percent of original size [2021-03-26 11:02:53,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 11:02:53,672 INFO L142 QuantifierPusher]: treesize reduction 23, result has 64.6 percent of original size [2021-03-26 11:02:53,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 11:02:53,703 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 11:02:53,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 11:02:53,720 INFO L142 QuantifierPusher]: treesize reduction 45, result has 44.4 percent of original size [2021-03-26 11:02:53,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 11:02:53,746 INFO L142 QuantifierPusher]: treesize reduction 45, result has 43.8 percent of original size [2021-03-26 11:02:53,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 11:02:53,773 INFO L142 QuantifierPusher]: treesize reduction 35, result has 56.3 percent of original size [2021-03-26 11:02:53,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 11:02:53,785 INFO L142 QuantifierPusher]: treesize reduction 35, result has 50.0 percent of original size [2021-03-26 11:02:53,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 11:02:53,786 INFO L142 QuantifierPusher]: treesize reduction 62, result has 33.3 percent of original size [2021-03-26 11:02:53,787 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size 28 [2021-03-26 11:02:53,825 INFO L142 QuantifierPusher]: treesize reduction 35, result has 42.6 percent of original size [2021-03-26 11:02:53,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 11:02:53,850 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-26 11:02:53,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:02:53,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:02:53,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532619524] [2021-03-26 11:02:53,866 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:02:53,866 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-26 11:02:53,866 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128654117] [2021-03-26 11:02:53,867 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 11:02:53,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:02:53,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 11:02:53,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2021-03-26 11:02:53,868 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 327 [2021-03-26 11:02:53,869 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 56 transitions, 543 flow. Second operand has 14 states, 14 states have (on average 141.21428571428572) internal successors, (1977), 14 states have internal predecessors, (1977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:53,869 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:02:53,870 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 327 [2021-03-26 11:02:53,870 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:02:54,505 INFO L129 PetriNetUnfolder]: 82/277 cut-off events. [2021-03-26 11:02:54,505 INFO L130 PetriNetUnfolder]: For 1250/1262 co-relation queries the response was YES. [2021-03-26 11:02:54,506 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1264 conditions, 277 events. 82/277 cut-off events. For 1250/1262 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1535 event pairs, 38 based on Foata normal form. 4/275 useless extension candidates. Maximal degree in co-relation 1001. Up to 165 conditions per place. [2021-03-26 11:02:54,506 INFO L132 encePairwiseOnDemand]: 314/327 looper letters, 43 selfloop transitions, 18 changer transitions 15/80 dead transitions. [2021-03-26 11:02:54,506 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 80 transitions, 897 flow [2021-03-26 11:02:54,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 11:02:54,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 11:02:54,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1594 transitions. [2021-03-26 11:02:54,509 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.443147067000278 [2021-03-26 11:02:54,509 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1594 transitions. [2021-03-26 11:02:54,509 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1594 transitions. [2021-03-26 11:02:54,509 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:02:54,509 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1594 transitions. [2021-03-26 11:02:54,511 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 144.9090909090909) internal successors, (1594), 11 states have internal predecessors, (1594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:54,512 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 327.0) internal successors, (3924), 12 states have internal predecessors, (3924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:54,513 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 327.0) internal successors, (3924), 12 states have internal predecessors, (3924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:54,513 INFO L185 Difference]: Start difference. First operand has 72 places, 56 transitions, 543 flow. Second operand 11 states and 1594 transitions. [2021-03-26 11:02:54,513 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 80 transitions, 897 flow [2021-03-26 11:02:54,515 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 80 transitions, 842 flow, removed 11 selfloop flow, removed 8 redundant places. [2021-03-26 11:02:54,517 INFO L241 Difference]: Finished difference. Result has 78 places, 60 transitions, 608 flow [2021-03-26 11:02:54,517 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=327, PETRI_DIFFERENCE_MINUEND_FLOW=479, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=608, PETRI_PLACES=78, PETRI_TRANSITIONS=60} [2021-03-26 11:02:54,517 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 12 predicate places. [2021-03-26 11:02:54,517 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:02:54,517 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 60 transitions, 608 flow [2021-03-26 11:02:54,517 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 78 places, 60 transitions, 608 flow [2021-03-26 11:02:54,518 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 75 places, 60 transitions, 608 flow [2021-03-26 11:02:54,528 INFO L129 PetriNetUnfolder]: 15/128 cut-off events. [2021-03-26 11:02:54,528 INFO L130 PetriNetUnfolder]: For 497/504 co-relation queries the response was YES. [2021-03-26 11:02:54,528 INFO L84 FinitePrefix]: Finished finitePrefix Result has 527 conditions, 128 events. 15/128 cut-off events. For 497/504 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 633 event pairs, 0 based on Foata normal form. 4/130 useless extension candidates. Maximal degree in co-relation 495. Up to 28 conditions per place. [2021-03-26 11:02:54,528 INFO L142 LiptonReduction]: Number of co-enabled transitions 94 [2021-03-26 11:02:54,769 INFO L154 LiptonReduction]: Checked pairs total: 247 [2021-03-26 11:02:54,770 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 11:02:54,770 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 253 [2021-03-26 11:02:54,770 INFO L480 AbstractCegarLoop]: Abstraction has has 75 places, 60 transitions, 617 flow [2021-03-26 11:02:54,771 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 141.21428571428572) internal successors, (1977), 14 states have internal predecessors, (1977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:54,771 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:02:54,771 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:02:54,771 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-03-26 11:02:54,771 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 11:02:54,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:02:54,771 INFO L82 PathProgramCache]: Analyzing trace with hash 194135124, now seen corresponding path program 1 times [2021-03-26 11:02:54,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:02:54,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376387661] [2021-03-26 11:02:54,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:02:54,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:02:54,837 INFO L142 QuantifierPusher]: treesize reduction 19, result has 61.2 percent of original size [2021-03-26 11:02:54,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 11:02:54,849 INFO L142 QuantifierPusher]: treesize reduction 20, result has 64.3 percent of original size [2021-03-26 11:02:54,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 11:02:54,864 INFO L142 QuantifierPusher]: treesize reduction 20, result has 58.3 percent of original size [2021-03-26 11:02:54,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 11:02:54,880 INFO L142 QuantifierPusher]: treesize reduction 20, result has 58.3 percent of original size [2021-03-26 11:02:54,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 11:02:54,897 INFO L142 QuantifierPusher]: treesize reduction 28, result has 55.6 percent of original size [2021-03-26 11:02:54,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 11:02:54,917 INFO L142 QuantifierPusher]: treesize reduction 28, result has 51.7 percent of original size [2021-03-26 11:02:54,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 11:02:54,925 INFO L142 QuantifierPusher]: treesize reduction 28, result has 50.9 percent of original size [2021-03-26 11:02:54,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 11:02:54,947 INFO L142 QuantifierPusher]: treesize reduction 20, result has 58.3 percent of original size [2021-03-26 11:02:54,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 11:02:54,967 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-03-26 11:02:54,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 11:02:54,991 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-03-26 11:02:54,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 11:02:54,993 INFO L142 QuantifierPusher]: treesize reduction 43, result has 39.4 percent of original size [2021-03-26 11:02:54,993 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size 25 [2021-03-26 11:02:55,022 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-03-26 11:02:55,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 11:02:55,040 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-26 11:02:55,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:02:55,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:02:55,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376387661] [2021-03-26 11:02:55,056 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:02:55,056 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-26 11:02:55,056 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851584272] [2021-03-26 11:02:55,056 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-26 11:02:55,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:02:55,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-26 11:02:55,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2021-03-26 11:02:55,059 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 330 [2021-03-26 11:02:55,060 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 60 transitions, 617 flow. Second operand has 13 states, 13 states have (on average 141.15384615384616) internal successors, (1835), 13 states have internal predecessors, (1835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:55,060 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:02:55,060 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 330 [2021-03-26 11:02:55,060 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:02:55,682 INFO L129 PetriNetUnfolder]: 73/253 cut-off events. [2021-03-26 11:02:55,682 INFO L130 PetriNetUnfolder]: For 1272/1295 co-relation queries the response was YES. [2021-03-26 11:02:55,683 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1221 conditions, 253 events. 73/253 cut-off events. For 1272/1295 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1377 event pairs, 38 based on Foata normal form. 2/249 useless extension candidates. Maximal degree in co-relation 1187. Up to 174 conditions per place. [2021-03-26 11:02:55,684 INFO L132 encePairwiseOnDemand]: 317/330 looper letters, 48 selfloop transitions, 8 changer transitions 21/81 dead transitions. [2021-03-26 11:02:55,684 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 81 transitions, 987 flow [2021-03-26 11:02:55,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 11:02:55,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 11:02:55,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1594 transitions. [2021-03-26 11:02:55,686 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4391184573002755 [2021-03-26 11:02:55,686 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1594 transitions. [2021-03-26 11:02:55,686 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1594 transitions. [2021-03-26 11:02:55,686 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:02:55,686 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1594 transitions. [2021-03-26 11:02:55,688 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 144.9090909090909) internal successors, (1594), 11 states have internal predecessors, (1594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:55,689 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 330.0) internal successors, (3960), 12 states have internal predecessors, (3960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:55,689 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 330.0) internal successors, (3960), 12 states have internal predecessors, (3960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:55,689 INFO L185 Difference]: Start difference. First operand has 75 places, 60 transitions, 617 flow. Second operand 11 states and 1594 transitions. [2021-03-26 11:02:55,689 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 81 transitions, 987 flow [2021-03-26 11:02:55,693 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 81 transitions, 902 flow, removed 39 selfloop flow, removed 4 redundant places. [2021-03-26 11:02:55,694 INFO L241 Difference]: Finished difference. Result has 86 places, 59 transitions, 593 flow [2021-03-26 11:02:55,694 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=559, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=593, PETRI_PLACES=86, PETRI_TRANSITIONS=59} [2021-03-26 11:02:55,694 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 20 predicate places. [2021-03-26 11:02:55,694 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:02:55,694 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 59 transitions, 593 flow [2021-03-26 11:02:55,694 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 59 transitions, 593 flow [2021-03-26 11:02:55,695 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 81 places, 59 transitions, 593 flow [2021-03-26 11:02:55,704 INFO L129 PetriNetUnfolder]: 15/124 cut-off events. [2021-03-26 11:02:55,704 INFO L130 PetriNetUnfolder]: For 444/448 co-relation queries the response was YES. [2021-03-26 11:02:55,704 INFO L84 FinitePrefix]: Finished finitePrefix Result has 514 conditions, 124 events. 15/124 cut-off events. For 444/448 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 601 event pairs, 0 based on Foata normal form. 2/124 useless extension candidates. Maximal degree in co-relation 474. Up to 26 conditions per place. [2021-03-26 11:02:55,705 INFO L142 LiptonReduction]: Number of co-enabled transitions 92 [2021-03-26 11:02:55,774 INFO L154 LiptonReduction]: Checked pairs total: 263 [2021-03-26 11:02:55,774 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 11:02:55,774 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 80 [2021-03-26 11:02:55,774 INFO L480 AbstractCegarLoop]: Abstraction has has 80 places, 58 transitions, 591 flow [2021-03-26 11:02:55,775 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 141.15384615384616) internal successors, (1835), 13 states have internal predecessors, (1835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:55,775 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:02:55,775 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:02:55,775 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-03-26 11:02:55,775 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 11:02:55,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:02:55,775 INFO L82 PathProgramCache]: Analyzing trace with hash 381252947, now seen corresponding path program 1 times [2021-03-26 11:02:55,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:02:55,775 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103052505] [2021-03-26 11:02:55,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:02:55,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:02:55,839 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.9 percent of original size [2021-03-26 11:02:55,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 11:02:55,851 INFO L142 QuantifierPusher]: treesize reduction 14, result has 72.5 percent of original size [2021-03-26 11:02:55,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 11:02:55,867 INFO L142 QuantifierPusher]: treesize reduction 14, result has 67.4 percent of original size [2021-03-26 11:02:55,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 11:02:55,883 INFO L142 QuantifierPusher]: treesize reduction 14, result has 67.4 percent of original size [2021-03-26 11:02:55,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 11:02:55,900 INFO L142 QuantifierPusher]: treesize reduction 23, result has 61.0 percent of original size [2021-03-26 11:02:55,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 11:02:55,922 INFO L142 QuantifierPusher]: treesize reduction 23, result has 57.4 percent of original size [2021-03-26 11:02:55,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 11:02:55,930 INFO L142 QuantifierPusher]: treesize reduction 15, result has 66.7 percent of original size [2021-03-26 11:02:55,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 11:02:55,951 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-03-26 11:02:55,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 11:02:55,986 INFO L142 QuantifierPusher]: treesize reduction 15, result has 68.8 percent of original size [2021-03-26 11:02:55,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 11:02:55,987 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-03-26 11:02:55,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 11:02:56,012 INFO L142 QuantifierPusher]: treesize reduction 41, result has 40.6 percent of original size [2021-03-26 11:02:56,012 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size 25 [2021-03-26 11:02:56,050 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-26 11:02:56,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 11:02:56,071 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-26 11:02:56,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:02:56,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:02:56,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103052505] [2021-03-26 11:02:56,095 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:02:56,095 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-26 11:02:56,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832966393] [2021-03-26 11:02:56,096 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-26 11:02:56,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:02:56,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-26 11:02:56,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2021-03-26 11:02:56,097 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 331 [2021-03-26 11:02:56,098 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 58 transitions, 591 flow. Second operand has 13 states, 13 states have (on average 141.15384615384616) internal successors, (1835), 13 states have internal predecessors, (1835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:56,098 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:02:56,098 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 331 [2021-03-26 11:02:56,098 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:02:56,650 INFO L129 PetriNetUnfolder]: 54/195 cut-off events. [2021-03-26 11:02:56,650 INFO L130 PetriNetUnfolder]: For 869/881 co-relation queries the response was YES. [2021-03-26 11:02:56,651 INFO L84 FinitePrefix]: Finished finitePrefix Result has 947 conditions, 195 events. 54/195 cut-off events. For 869/881 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 959 event pairs, 30 based on Foata normal form. 5/195 useless extension candidates. Maximal degree in co-relation 915. Up to 115 conditions per place. [2021-03-26 11:02:56,651 INFO L132 encePairwiseOnDemand]: 318/331 looper letters, 35 selfloop transitions, 12 changer transitions 17/68 dead transitions. [2021-03-26 11:02:56,651 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 68 transitions, 777 flow [2021-03-26 11:02:56,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 11:02:56,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 11:02:56,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1592 transitions. [2021-03-26 11:02:56,653 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4372425157923647 [2021-03-26 11:02:56,653 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1592 transitions. [2021-03-26 11:02:56,653 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1592 transitions. [2021-03-26 11:02:56,653 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:02:56,654 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1592 transitions. [2021-03-26 11:02:56,655 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 144.72727272727272) internal successors, (1592), 11 states have internal predecessors, (1592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:56,657 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 331.0) internal successors, (3972), 12 states have internal predecessors, (3972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:56,657 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 331.0) internal successors, (3972), 12 states have internal predecessors, (3972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:56,657 INFO L185 Difference]: Start difference. First operand has 80 places, 58 transitions, 591 flow. Second operand 11 states and 1592 transitions. [2021-03-26 11:02:56,657 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 68 transitions, 777 flow [2021-03-26 11:02:56,660 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 68 transitions, 721 flow, removed 19 selfloop flow, removed 10 redundant places. [2021-03-26 11:02:56,660 INFO L241 Difference]: Finished difference. Result has 82 places, 48 transitions, 454 flow [2021-03-26 11:02:56,661 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=532, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=454, PETRI_PLACES=82, PETRI_TRANSITIONS=48} [2021-03-26 11:02:56,661 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 16 predicate places. [2021-03-26 11:02:56,661 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:02:56,661 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 48 transitions, 454 flow [2021-03-26 11:02:56,661 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 48 transitions, 454 flow [2021-03-26 11:02:56,661 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 76 places, 48 transitions, 454 flow [2021-03-26 11:02:56,670 INFO L129 PetriNetUnfolder]: 9/90 cut-off events. [2021-03-26 11:02:56,670 INFO L130 PetriNetUnfolder]: For 292/293 co-relation queries the response was YES. [2021-03-26 11:02:56,671 INFO L84 FinitePrefix]: Finished finitePrefix Result has 372 conditions, 90 events. 9/90 cut-off events. For 292/293 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 345 event pairs, 0 based on Foata normal form. 1/89 useless extension candidates. Maximal degree in co-relation 263. Up to 20 conditions per place. [2021-03-26 11:02:56,671 INFO L142 LiptonReduction]: Number of co-enabled transitions 60 [2021-03-26 11:02:56,917 INFO L154 LiptonReduction]: Checked pairs total: 76 [2021-03-26 11:02:56,917 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-26 11:02:56,917 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 256 [2021-03-26 11:02:56,917 INFO L480 AbstractCegarLoop]: Abstraction has has 75 places, 47 transitions, 464 flow [2021-03-26 11:02:56,918 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 141.15384615384616) internal successors, (1835), 13 states have internal predecessors, (1835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:56,918 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:02:56,918 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:02:56,918 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-03-26 11:02:56,918 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]=== [2021-03-26 11:02:56,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:02:56,918 INFO L82 PathProgramCache]: Analyzing trace with hash -1210970282, now seen corresponding path program 1 times [2021-03-26 11:02:56,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:02:56,919 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699014365] [2021-03-26 11:02:56,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:02:56,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:02:56,983 INFO L142 QuantifierPusher]: treesize reduction 23, result has 71.3 percent of original size [2021-03-26 11:02:56,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-26 11:02:57,016 INFO L142 QuantifierPusher]: treesize reduction 20, result has 75.9 percent of original size [2021-03-26 11:02:57,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 11:02:57,050 INFO L142 QuantifierPusher]: treesize reduction 20, result has 73.3 percent of original size [2021-03-26 11:02:57,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 11:02:57,087 INFO L142 QuantifierPusher]: treesize reduction 20, result has 73.3 percent of original size [2021-03-26 11:02:57,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 11:02:57,124 INFO L142 QuantifierPusher]: treesize reduction 42, result has 54.3 percent of original size [2021-03-26 11:02:57,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 11:02:57,162 INFO L142 QuantifierPusher]: treesize reduction 42, result has 51.7 percent of original size [2021-03-26 11:02:57,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 11:02:57,173 INFO L142 QuantifierPusher]: treesize reduction 20, result has 59.2 percent of original size [2021-03-26 11:02:57,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 11:02:57,195 INFO L142 QuantifierPusher]: treesize reduction 37, result has 55.4 percent of original size [2021-03-26 11:02:57,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 11:02:57,226 INFO L142 QuantifierPusher]: treesize reduction 37, result has 49.3 percent of original size [2021-03-26 11:02:57,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 11:02:57,236 INFO L142 QuantifierPusher]: treesize reduction 64, result has 33.3 percent of original size [2021-03-26 11:02:57,237 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size 29 [2021-03-26 11:02:57,264 INFO L142 QuantifierPusher]: treesize reduction 37, result has 42.2 percent of original size [2021-03-26 11:02:57,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 11:02:57,288 INFO L142 QuantifierPusher]: treesize reduction 37, result has 41.3 percent of original size [2021-03-26 11:02:57,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 11:02:57,313 INFO L142 QuantifierPusher]: treesize reduction 37, result has 41.3 percent of original size [2021-03-26 11:02:57,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 11:02:57,314 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-26 11:02:57,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:02:57,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:02:57,330 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699014365] [2021-03-26 11:02:57,330 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:02:57,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-26 11:02:57,331 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449047562] [2021-03-26 11:02:57,331 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-26 11:02:57,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:02:57,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-26 11:02:57,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2021-03-26 11:02:57,333 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 335 [2021-03-26 11:02:57,333 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 47 transitions, 464 flow. Second operand has 13 states, 13 states have (on average 141.23076923076923) internal successors, (1836), 13 states have internal predecessors, (1836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:57,333 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:02:57,333 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 335 [2021-03-26 11:02:57,334 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:02:57,872 INFO L129 PetriNetUnfolder]: 43/159 cut-off events. [2021-03-26 11:02:57,872 INFO L130 PetriNetUnfolder]: For 637/639 co-relation queries the response was YES. [2021-03-26 11:02:57,873 INFO L84 FinitePrefix]: Finished finitePrefix Result has 729 conditions, 159 events. 43/159 cut-off events. For 637/639 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 722 event pairs, 27 based on Foata normal form. 3/157 useless extension candidates. Maximal degree in co-relation 581. Up to 104 conditions per place. [2021-03-26 11:02:57,873 INFO L132 encePairwiseOnDemand]: 322/335 looper letters, 32 selfloop transitions, 15 changer transitions 5/56 dead transitions. [2021-03-26 11:02:57,873 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 56 transitions, 627 flow [2021-03-26 11:02:57,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 11:02:57,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 11:02:57,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1725 transitions. [2021-03-26 11:02:57,875 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4291044776119403 [2021-03-26 11:02:57,875 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1725 transitions. [2021-03-26 11:02:57,875 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1725 transitions. [2021-03-26 11:02:57,876 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:02:57,876 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1725 transitions. [2021-03-26 11:02:57,877 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 143.75) internal successors, (1725), 12 states have internal predecessors, (1725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:57,879 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 335.0) internal successors, (4355), 13 states have internal predecessors, (4355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:57,879 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 335.0) internal successors, (4355), 13 states have internal predecessors, (4355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:57,879 INFO L185 Difference]: Start difference. First operand has 75 places, 47 transitions, 464 flow. Second operand 12 states and 1725 transitions. [2021-03-26 11:02:57,879 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 56 transitions, 627 flow [2021-03-26 11:02:57,881 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 56 transitions, 546 flow, removed 12 selfloop flow, removed 13 redundant places. [2021-03-26 11:02:57,882 INFO L241 Difference]: Finished difference. Result has 75 places, 48 transitions, 438 flow [2021-03-26 11:02:57,882 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=335, PETRI_DIFFERENCE_MINUEND_FLOW=387, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=438, PETRI_PLACES=75, PETRI_TRANSITIONS=48} [2021-03-26 11:02:57,882 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 9 predicate places. [2021-03-26 11:02:57,882 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:02:57,882 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 48 transitions, 438 flow [2021-03-26 11:02:57,883 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 48 transitions, 438 flow [2021-03-26 11:02:57,883 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 48 transitions, 438 flow [2021-03-26 11:02:57,889 INFO L129 PetriNetUnfolder]: 8/81 cut-off events. [2021-03-26 11:02:57,889 INFO L130 PetriNetUnfolder]: For 258/260 co-relation queries the response was YES. [2021-03-26 11:02:57,889 INFO L84 FinitePrefix]: Finished finitePrefix Result has 325 conditions, 81 events. 8/81 cut-off events. For 258/260 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 304 event pairs, 0 based on Foata normal form. 2/81 useless extension candidates. Maximal degree in co-relation 294. Up to 18 conditions per place. [2021-03-26 11:02:57,890 INFO L142 LiptonReduction]: Number of co-enabled transitions 58 [2021-03-26 11:02:58,185 INFO L154 LiptonReduction]: Checked pairs total: 141 [2021-03-26 11:02:58,185 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 11:02:58,185 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 303 [2021-03-26 11:02:58,186 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 47 transitions, 440 flow [2021-03-26 11:02:58,186 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 141.23076923076923) internal successors, (1836), 13 states have internal predecessors, (1836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:58,186 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:02:58,186 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:02:58,186 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-03-26 11:02:58,186 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]=== [2021-03-26 11:02:58,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:02:58,186 INFO L82 PathProgramCache]: Analyzing trace with hash -589999413, now seen corresponding path program 1 times [2021-03-26 11:02:58,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:02:58,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286534689] [2021-03-26 11:02:58,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:02:58,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:02:58,248 INFO L142 QuantifierPusher]: treesize reduction 20, result has 60.0 percent of original size [2021-03-26 11:02:58,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 11:02:58,260 INFO L142 QuantifierPusher]: treesize reduction 20, result has 64.3 percent of original size [2021-03-26 11:02:58,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 11:02:58,278 INFO L142 QuantifierPusher]: treesize reduction 20, result has 58.3 percent of original size [2021-03-26 11:02:58,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 11:02:58,295 INFO L142 QuantifierPusher]: treesize reduction 20, result has 58.3 percent of original size [2021-03-26 11:02:58,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 11:02:58,315 INFO L142 QuantifierPusher]: treesize reduction 42, result has 54.3 percent of original size [2021-03-26 11:02:58,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 11:02:58,358 INFO L142 QuantifierPusher]: treesize reduction 42, result has 51.7 percent of original size [2021-03-26 11:02:58,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 11:02:58,368 INFO L142 QuantifierPusher]: treesize reduction 20, result has 59.2 percent of original size [2021-03-26 11:02:58,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 11:02:58,389 INFO L142 QuantifierPusher]: treesize reduction 37, result has 55.4 percent of original size [2021-03-26 11:02:58,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 11:02:58,424 INFO L142 QuantifierPusher]: treesize reduction 64, result has 33.3 percent of original size [2021-03-26 11:02:58,425 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size 29 [2021-03-26 11:02:58,462 INFO L142 QuantifierPusher]: treesize reduction 64, result has 32.6 percent of original size [2021-03-26 11:02:58,462 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size 28 [2021-03-26 11:02:58,499 INFO L142 QuantifierPusher]: treesize reduction 37, result has 41.3 percent of original size [2021-03-26 11:02:58,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 11:02:58,532 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-26 11:02:58,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:02:58,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:02:58,554 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286534689] [2021-03-26 11:02:58,554 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:02:58,554 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-26 11:02:58,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382520743] [2021-03-26 11:02:58,554 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-26 11:02:58,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:02:58,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-26 11:02:58,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2021-03-26 11:02:58,556 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 337 [2021-03-26 11:02:58,557 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 47 transitions, 440 flow. Second operand has 13 states, 13 states have (on average 141.15384615384616) internal successors, (1835), 13 states have internal predecessors, (1835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:58,558 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:02:58,558 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 337 [2021-03-26 11:02:58,558 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:02:59,114 INFO L129 PetriNetUnfolder]: 38/138 cut-off events. [2021-03-26 11:02:59,114 INFO L130 PetriNetUnfolder]: For 579/583 co-relation queries the response was YES. [2021-03-26 11:02:59,114 INFO L84 FinitePrefix]: Finished finitePrefix Result has 623 conditions, 138 events. 38/138 cut-off events. For 579/583 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 583 event pairs, 22 based on Foata normal form. 6/139 useless extension candidates. Maximal degree in co-relation 598. Up to 92 conditions per place. [2021-03-26 11:02:59,115 INFO L132 encePairwiseOnDemand]: 327/337 looper letters, 28 selfloop transitions, 6 changer transitions 12/50 dead transitions. [2021-03-26 11:02:59,115 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 50 transitions, 533 flow [2021-03-26 11:02:59,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 11:02:59,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 11:02:59,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1438 transitions. [2021-03-26 11:02:59,117 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42670623145400594 [2021-03-26 11:02:59,117 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1438 transitions. [2021-03-26 11:02:59,117 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1438 transitions. [2021-03-26 11:02:59,117 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:02:59,117 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1438 transitions. [2021-03-26 11:02:59,119 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 143.8) internal successors, (1438), 10 states have internal predecessors, (1438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:59,121 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 337.0) internal successors, (3707), 11 states have internal predecessors, (3707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:59,121 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 337.0) internal successors, (3707), 11 states have internal predecessors, (3707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:59,121 INFO L185 Difference]: Start difference. First operand has 73 places, 47 transitions, 440 flow. Second operand 10 states and 1438 transitions. [2021-03-26 11:02:59,121 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 50 transitions, 533 flow [2021-03-26 11:02:59,123 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 50 transitions, 484 flow, removed 9 selfloop flow, removed 8 redundant places. [2021-03-26 11:02:59,124 INFO L241 Difference]: Finished difference. Result has 75 places, 37 transitions, 306 flow [2021-03-26 11:02:59,124 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=337, PETRI_DIFFERENCE_MINUEND_FLOW=367, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=306, PETRI_PLACES=75, PETRI_TRANSITIONS=37} [2021-03-26 11:02:59,124 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 9 predicate places. [2021-03-26 11:02:59,124 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:02:59,125 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 37 transitions, 306 flow [2021-03-26 11:02:59,125 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 37 transitions, 306 flow [2021-03-26 11:02:59,125 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 37 transitions, 306 flow [2021-03-26 11:02:59,131 INFO L129 PetriNetUnfolder]: 6/58 cut-off events. [2021-03-26 11:02:59,131 INFO L130 PetriNetUnfolder]: For 144/145 co-relation queries the response was YES. [2021-03-26 11:02:59,131 INFO L84 FinitePrefix]: Finished finitePrefix Result has 232 conditions, 58 events. 6/58 cut-off events. For 144/145 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 184 event pairs, 0 based on Foata normal form. 1/57 useless extension candidates. Maximal degree in co-relation 177. Up to 14 conditions per place. [2021-03-26 11:02:59,132 INFO L142 LiptonReduction]: Number of co-enabled transitions 48 [2021-03-26 11:02:59,315 INFO L154 LiptonReduction]: Checked pairs total: 77 [2021-03-26 11:02:59,315 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 11:02:59,316 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 192 [2021-03-26 11:02:59,316 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 36 transitions, 304 flow [2021-03-26 11:02:59,316 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 141.15384615384616) internal successors, (1835), 13 states have internal predecessors, (1835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:59,316 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:02:59,316 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:02:59,316 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-03-26 11:02:59,316 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]=== [2021-03-26 11:02:59,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:02:59,317 INFO L82 PathProgramCache]: Analyzing trace with hash -1910138559, now seen corresponding path program 1 times [2021-03-26 11:02:59,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:02:59,317 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814633013] [2021-03-26 11:02:59,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:02:59,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:02:59,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:02:59,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 11:02:59,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:02:59,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 11:02:59,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:02:59,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 11:02:59,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:02:59,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:02:59,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:02:59,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 11:02:59,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:02:59,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 11:02:59,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:02:59,390 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814633013] [2021-03-26 11:02:59,390 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:02:59,390 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 11:02:59,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119159386] [2021-03-26 11:02:59,391 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 11:02:59,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:02:59,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 11:02:59,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-26 11:02:59,392 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 338 [2021-03-26 11:02:59,393 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 36 transitions, 304 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) [2021-03-26 11:02:59,393 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:02:59,393 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 338 [2021-03-26 11:02:59,393 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:02:59,578 INFO L129 PetriNetUnfolder]: 13/68 cut-off events. [2021-03-26 11:02:59,578 INFO L130 PetriNetUnfolder]: For 241/241 co-relation queries the response was YES. [2021-03-26 11:02:59,578 INFO L84 FinitePrefix]: Finished finitePrefix Result has 351 conditions, 68 events. 13/68 cut-off events. For 241/241 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 184 event pairs, 7 based on Foata normal form. 11/77 useless extension candidates. Maximal degree in co-relation 277. Up to 36 conditions per place. [2021-03-26 11:02:59,579 INFO L132 encePairwiseOnDemand]: 329/338 looper letters, 29 selfloop transitions, 11 changer transitions 0/41 dead transitions. [2021-03-26 11:02:59,579 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 41 transitions, 415 flow [2021-03-26 11:02:59,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 11:02:59,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 11:02:59,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1299 transitions. [2021-03-26 11:02:59,581 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.48039940828402367 [2021-03-26 11:02:59,581 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1299 transitions. [2021-03-26 11:02:59,581 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1299 transitions. [2021-03-26 11:02:59,581 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:02:59,581 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1299 transitions. [2021-03-26 11:02:59,583 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 162.375) internal successors, (1299), 8 states have internal predecessors, (1299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:59,584 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 338.0) internal successors, (3042), 9 states have internal predecessors, (3042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:59,584 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 338.0) internal successors, (3042), 9 states have internal predecessors, (3042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:59,584 INFO L185 Difference]: Start difference. First operand has 61 places, 36 transitions, 304 flow. Second operand 8 states and 1299 transitions. [2021-03-26 11:02:59,584 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 41 transitions, 415 flow [2021-03-26 11:02:59,586 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 41 transitions, 343 flow, removed 18 selfloop flow, removed 14 redundant places. [2021-03-26 11:02:59,586 INFO L241 Difference]: Finished difference. Result has 57 places, 36 transitions, 283 flow [2021-03-26 11:02:59,587 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=338, PETRI_DIFFERENCE_MINUEND_FLOW=220, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=283, PETRI_PLACES=57, PETRI_TRANSITIONS=36} [2021-03-26 11:02:59,587 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -9 predicate places. [2021-03-26 11:02:59,587 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:02:59,587 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 36 transitions, 283 flow [2021-03-26 11:02:59,587 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 36 transitions, 283 flow [2021-03-26 11:02:59,587 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 36 transitions, 283 flow [2021-03-26 11:02:59,593 INFO L129 PetriNetUnfolder]: 4/53 cut-off events. [2021-03-26 11:02:59,593 INFO L130 PetriNetUnfolder]: For 151/152 co-relation queries the response was YES. [2021-03-26 11:02:59,593 INFO L84 FinitePrefix]: Finished finitePrefix Result has 200 conditions, 53 events. 4/53 cut-off events. For 151/152 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 135 event pairs, 0 based on Foata normal form. 1/52 useless extension candidates. Maximal degree in co-relation 128. Up to 9 conditions per place. [2021-03-26 11:02:59,593 INFO L142 LiptonReduction]: Number of co-enabled transitions 18 [2021-03-26 11:03:04,086 INFO L154 LiptonReduction]: Checked pairs total: 26 [2021-03-26 11:03:04,087 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 11:03:04,087 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4500 [2021-03-26 11:03:04,087 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 36 transitions, 283 flow [2021-03-26 11:03:04,087 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) [2021-03-26 11:03:04,087 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:03:04,087 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:03:04,087 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-03-26 11:03:04,087 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]=== [2021-03-26 11:03:04,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:03:04,088 INFO L82 PathProgramCache]: Analyzing trace with hash -267151160, now seen corresponding path program 1 times [2021-03-26 11:03:04,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:03:04,088 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907714872] [2021-03-26 11:03:04,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:03:04,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:03:04,134 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-03-26 11:03:04,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 11:03:04,142 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.8 percent of original size [2021-03-26 11:03:04,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 11:03:04,155 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.8 percent of original size [2021-03-26 11:03:04,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 11:03:04,169 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.0 percent of original size [2021-03-26 11:03:04,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 11:03:04,184 INFO L142 QuantifierPusher]: treesize reduction 40, result has 57.9 percent of original size [2021-03-26 11:03:04,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 11:03:04,238 INFO L142 QuantifierPusher]: treesize reduction 40, result has 54.5 percent of original size [2021-03-26 11:03:04,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-26 11:03:04,249 INFO L142 QuantifierPusher]: treesize reduction 8, result has 74.2 percent of original size [2021-03-26 11:03:04,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 11:03:04,263 INFO L142 QuantifierPusher]: treesize reduction 16, result has 71.9 percent of original size [2021-03-26 11:03:04,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 11:03:04,289 INFO L142 QuantifierPusher]: treesize reduction 14, result has 77.4 percent of original size [2021-03-26 11:03:04,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-26 11:03:04,315 INFO L142 QuantifierPusher]: treesize reduction 21, result has 44.7 percent of original size [2021-03-26 11:03:04,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:03:04,330 INFO L142 QuantifierPusher]: treesize reduction 21, result has 44.7 percent of original size [2021-03-26 11:03:04,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:03:04,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:03:04,330 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907714872] [2021-03-26 11:03:04,330 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:03:04,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 11:03:04,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349847862] [2021-03-26 11:03:04,331 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 11:03:04,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:03:04,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 11:03:04,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-03-26 11:03:04,333 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 338 [2021-03-26 11:03:04,333 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 36 transitions, 283 flow. Second operand has 11 states, 11 states have (on average 140.27272727272728) internal successors, (1543), 11 states have internal predecessors, (1543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:04,333 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:03:04,334 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 338 [2021-03-26 11:03:04,334 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:03:04,720 INFO L129 PetriNetUnfolder]: 11/67 cut-off events. [2021-03-26 11:03:04,720 INFO L130 PetriNetUnfolder]: For 208/209 co-relation queries the response was YES. [2021-03-26 11:03:04,720 INFO L84 FinitePrefix]: Finished finitePrefix Result has 302 conditions, 67 events. 11/67 cut-off events. For 208/209 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 196 event pairs, 2 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 239. Up to 27 conditions per place. [2021-03-26 11:03:04,720 INFO L132 encePairwiseOnDemand]: 330/338 looper letters, 27 selfloop transitions, 15 changer transitions 0/46 dead transitions. [2021-03-26 11:03:04,720 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 46 transitions, 412 flow [2021-03-26 11:03:04,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 11:03:04,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 11:03:04,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1290 transitions. [2021-03-26 11:03:04,722 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4240631163708087 [2021-03-26 11:03:04,722 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1290 transitions. [2021-03-26 11:03:04,722 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1290 transitions. [2021-03-26 11:03:04,722 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:03:04,722 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1290 transitions. [2021-03-26 11:03:04,723 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 143.33333333333334) internal successors, (1290), 9 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:04,725 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 338.0) internal successors, (3380), 10 states have internal predecessors, (3380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:04,725 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 338.0) internal successors, (3380), 10 states have internal predecessors, (3380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:04,725 INFO L185 Difference]: Start difference. First operand has 57 places, 36 transitions, 283 flow. Second operand 9 states and 1290 transitions. [2021-03-26 11:03:04,725 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 46 transitions, 412 flow [2021-03-26 11:03:04,726 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 46 transitions, 360 flow, removed 5 selfloop flow, removed 7 redundant places. [2021-03-26 11:03:04,727 INFO L241 Difference]: Finished difference. Result has 58 places, 37 transitions, 278 flow [2021-03-26 11:03:04,727 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=338, PETRI_DIFFERENCE_MINUEND_FLOW=234, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=278, PETRI_PLACES=58, PETRI_TRANSITIONS=37} [2021-03-26 11:03:04,727 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -8 predicate places. [2021-03-26 11:03:04,727 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:03:04,727 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 37 transitions, 278 flow [2021-03-26 11:03:04,728 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 37 transitions, 278 flow [2021-03-26 11:03:04,728 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 37 transitions, 278 flow [2021-03-26 11:03:04,746 INFO L129 PetriNetUnfolder]: 4/52 cut-off events. [2021-03-26 11:03:04,747 INFO L130 PetriNetUnfolder]: For 97/98 co-relation queries the response was YES. [2021-03-26 11:03:04,747 INFO L84 FinitePrefix]: Finished finitePrefix Result has 182 conditions, 52 events. 4/52 cut-off events. For 97/98 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 136 event pairs, 0 based on Foata normal form. 1/52 useless extension candidates. Maximal degree in co-relation 134. Up to 8 conditions per place. [2021-03-26 11:03:04,747 INFO L142 LiptonReduction]: Number of co-enabled transitions 18 [2021-03-26 11:03:04,748 INFO L154 LiptonReduction]: Checked pairs total: 30 [2021-03-26 11:03:04,748 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 11:03:04,748 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 21 [2021-03-26 11:03:04,748 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 37 transitions, 278 flow [2021-03-26 11:03:04,749 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 140.27272727272728) internal successors, (1543), 11 states have internal predecessors, (1543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:04,749 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:03:04,749 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:03:04,749 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-03-26 11:03:04,749 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]=== [2021-03-26 11:03:04,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:03:04,749 INFO L82 PathProgramCache]: Analyzing trace with hash -593596276, now seen corresponding path program 1 times [2021-03-26 11:03:04,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:03:04,750 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929261376] [2021-03-26 11:03:04,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:03:04,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:03:04,787 INFO L142 QuantifierPusher]: treesize reduction 12, result has 53.8 percent of original size [2021-03-26 11:03:04,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 11:03:04,795 INFO L142 QuantifierPusher]: treesize reduction 12, result has 63.6 percent of original size [2021-03-26 11:03:04,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 11:03:04,807 INFO L142 QuantifierPusher]: treesize reduction 12, result has 67.6 percent of original size [2021-03-26 11:03:04,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 11:03:04,820 INFO L142 QuantifierPusher]: treesize reduction 12, result has 67.6 percent of original size [2021-03-26 11:03:04,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 11:03:04,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:03:04,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 11:03:04,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:03:04,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 11:03:04,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:03:04,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 11:03:04,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:03:04,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 11:03:04,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:03:04,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:03:04,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:03:04,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 11:03:04,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:03:04,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 11:03:04,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:03:04,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 11:03:04,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:03:04,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 11:03:04,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:03:04,924 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929261376] [2021-03-26 11:03:04,924 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:03:04,924 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-26 11:03:04,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423962160] [2021-03-26 11:03:04,924 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 11:03:04,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:03:04,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 11:03:04,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-03-26 11:03:04,926 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 338 [2021-03-26 11:03:04,927 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 37 transitions, 278 flow. Second operand has 12 states, 12 states have (on average 137.25) internal successors, (1647), 12 states have internal predecessors, (1647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:04,927 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:03:04,927 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 338 [2021-03-26 11:03:04,927 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:03:05,270 INFO L129 PetriNetUnfolder]: 9/66 cut-off events. [2021-03-26 11:03:05,270 INFO L130 PetriNetUnfolder]: For 164/165 co-relation queries the response was YES. [2021-03-26 11:03:05,271 INFO L84 FinitePrefix]: Finished finitePrefix Result has 289 conditions, 66 events. 9/66 cut-off events. For 164/165 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 196 event pairs, 3 based on Foata normal form. 1/66 useless extension candidates. Maximal degree in co-relation 232. Up to 16 conditions per place. [2021-03-26 11:03:05,271 INFO L132 encePairwiseOnDemand]: 324/338 looper letters, 22 selfloop transitions, 18 changer transitions 2/43 dead transitions. [2021-03-26 11:03:05,271 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 43 transitions, 377 flow [2021-03-26 11:03:05,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 11:03:05,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 11:03:05,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1395 transitions. [2021-03-26 11:03:05,273 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41272189349112426 [2021-03-26 11:03:05,273 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1395 transitions. [2021-03-26 11:03:05,273 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1395 transitions. [2021-03-26 11:03:05,274 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:03:05,274 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1395 transitions. [2021-03-26 11:03:05,275 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 139.5) internal successors, (1395), 10 states have internal predecessors, (1395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:05,277 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 338.0) internal successors, (3718), 11 states have internal predecessors, (3718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:05,277 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 338.0) internal successors, (3718), 11 states have internal predecessors, (3718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:05,277 INFO L185 Difference]: Start difference. First operand has 58 places, 37 transitions, 278 flow. Second operand 10 states and 1395 transitions. [2021-03-26 11:03:05,277 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 43 transitions, 377 flow [2021-03-26 11:03:05,279 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 43 transitions, 347 flow, removed 1 selfloop flow, removed 6 redundant places. [2021-03-26 11:03:05,279 INFO L241 Difference]: Finished difference. Result has 62 places, 37 transitions, 288 flow [2021-03-26 11:03:05,279 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=338, PETRI_DIFFERENCE_MINUEND_FLOW=245, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=288, PETRI_PLACES=62, PETRI_TRANSITIONS=37} [2021-03-26 11:03:05,280 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -4 predicate places. [2021-03-26 11:03:05,280 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:03:05,280 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 37 transitions, 288 flow [2021-03-26 11:03:05,280 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 37 transitions, 288 flow [2021-03-26 11:03:05,280 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 37 transitions, 288 flow [2021-03-26 11:03:05,286 INFO L129 PetriNetUnfolder]: 2/51 cut-off events. [2021-03-26 11:03:05,286 INFO L130 PetriNetUnfolder]: For 98/99 co-relation queries the response was YES. [2021-03-26 11:03:05,286 INFO L84 FinitePrefix]: Finished finitePrefix Result has 192 conditions, 51 events. 2/51 cut-off events. For 98/99 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 132 event pairs, 0 based on Foata normal form. 1/51 useless extension candidates. Maximal degree in co-relation 143. Up to 8 conditions per place. [2021-03-26 11:03:05,286 INFO L142 LiptonReduction]: Number of co-enabled transitions 18 [2021-03-26 11:03:05,287 INFO L154 LiptonReduction]: Checked pairs total: 24 [2021-03-26 11:03:05,287 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 11:03:05,287 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7 [2021-03-26 11:03:05,288 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 37 transitions, 288 flow [2021-03-26 11:03:05,288 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 137.25) internal successors, (1647), 12 states have internal predecessors, (1647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:05,288 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:03:05,288 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:03:05,288 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-03-26 11:03:05,288 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]=== [2021-03-26 11:03:05,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:03:05,288 INFO L82 PathProgramCache]: Analyzing trace with hash 1854737214, now seen corresponding path program 1 times [2021-03-26 11:03:05,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:03:05,289 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707434134] [2021-03-26 11:03:05,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:03:05,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:03:05,340 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-26 11:03:05,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 11:03:05,352 INFO L142 QuantifierPusher]: treesize reduction 15, result has 70.6 percent of original size [2021-03-26 11:03:05,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 11:03:05,370 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.1 percent of original size [2021-03-26 11:03:05,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 11:03:05,387 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.1 percent of original size [2021-03-26 11:03:05,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 11:03:05,406 INFO L142 QuantifierPusher]: treesize reduction 23, result has 51.1 percent of original size [2021-03-26 11:03:05,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 11:03:05,421 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.9 percent of original size [2021-03-26 11:03:05,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 11:03:05,440 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.3 percent of original size [2021-03-26 11:03:05,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 11:03:05,459 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.1 percent of original size [2021-03-26 11:03:05,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 11:03:05,477 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-03-26 11:03:05,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 11:03:05,496 INFO L142 QuantifierPusher]: treesize reduction 44, result has 36.2 percent of original size [2021-03-26 11:03:05,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 11:03:05,523 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-26 11:03:05,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:03:05,539 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-26 11:03:05,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:03:05,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:03:05,540 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707434134] [2021-03-26 11:03:05,540 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:03:05,540 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-26 11:03:05,540 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51205679] [2021-03-26 11:03:05,540 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-26 11:03:05,540 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:03:05,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-26 11:03:05,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2021-03-26 11:03:05,542 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 338 [2021-03-26 11:03:05,542 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 37 transitions, 288 flow. Second operand has 13 states, 13 states have (on average 140.07692307692307) internal successors, (1821), 13 states have internal predecessors, (1821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:05,543 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:03:05,543 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 338 [2021-03-26 11:03:05,543 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:03:06,169 INFO L129 PetriNetUnfolder]: 8/74 cut-off events. [2021-03-26 11:03:06,170 INFO L130 PetriNetUnfolder]: For 173/174 co-relation queries the response was YES. [2021-03-26 11:03:06,170 INFO L84 FinitePrefix]: Finished finitePrefix Result has 324 conditions, 74 events. 8/74 cut-off events. For 173/174 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 255 event pairs, 0 based on Foata normal form. 1/74 useless extension candidates. Maximal degree in co-relation 265. Up to 26 conditions per place. [2021-03-26 11:03:06,170 INFO L132 encePairwiseOnDemand]: 324/338 looper letters, 26 selfloop transitions, 13 changer transitions 9/51 dead transitions. [2021-03-26 11:03:06,170 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 51 transitions, 464 flow [2021-03-26 11:03:06,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 11:03:06,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 11:03:06,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1568 transitions. [2021-03-26 11:03:06,172 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42173211403980637 [2021-03-26 11:03:06,172 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1568 transitions. [2021-03-26 11:03:06,172 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1568 transitions. [2021-03-26 11:03:06,172 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:03:06,172 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1568 transitions. [2021-03-26 11:03:06,173 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 142.54545454545453) internal successors, (1568), 11 states have internal predecessors, (1568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:06,175 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 338.0) internal successors, (4056), 12 states have internal predecessors, (4056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:06,175 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 338.0) internal successors, (4056), 12 states have internal predecessors, (4056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:06,175 INFO L185 Difference]: Start difference. First operand has 62 places, 37 transitions, 288 flow. Second operand 11 states and 1568 transitions. [2021-03-26 11:03:06,175 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 51 transitions, 464 flow [2021-03-26 11:03:06,176 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 51 transitions, 435 flow, removed 2 selfloop flow, removed 6 redundant places. [2021-03-26 11:03:06,176 INFO L241 Difference]: Finished difference. Result has 70 places, 38 transitions, 307 flow [2021-03-26 11:03:06,177 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=338, PETRI_DIFFERENCE_MINUEND_FLOW=262, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=307, PETRI_PLACES=70, PETRI_TRANSITIONS=38} [2021-03-26 11:03:06,177 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 4 predicate places. [2021-03-26 11:03:06,177 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:03:06,177 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 38 transitions, 307 flow [2021-03-26 11:03:06,177 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 38 transitions, 307 flow [2021-03-26 11:03:06,177 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 38 transitions, 307 flow [2021-03-26 11:03:06,181 INFO L129 PetriNetUnfolder]: 2/53 cut-off events. [2021-03-26 11:03:06,181 INFO L130 PetriNetUnfolder]: For 122/123 co-relation queries the response was YES. [2021-03-26 11:03:06,182 INFO L84 FinitePrefix]: Finished finitePrefix Result has 215 conditions, 53 events. 2/53 cut-off events. For 122/123 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 141 event pairs, 0 based on Foata normal form. 1/53 useless extension candidates. Maximal degree in co-relation 194. Up to 9 conditions per place. [2021-03-26 11:03:06,182 INFO L142 LiptonReduction]: Number of co-enabled transitions 14 [2021-03-26 11:03:06,182 INFO L154 LiptonReduction]: Checked pairs total: 24 [2021-03-26 11:03:06,182 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 11:03:06,183 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6 [2021-03-26 11:03:06,183 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 38 transitions, 307 flow [2021-03-26 11:03:06,183 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 140.07692307692307) internal successors, (1821), 13 states have internal predecessors, (1821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:06,183 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:03:06,183 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:03:06,184 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-03-26 11:03:06,184 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 11:03:06,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:03:06,184 INFO L82 PathProgramCache]: Analyzing trace with hash -1382042354, now seen corresponding path program 2 times [2021-03-26 11:03:06,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:03:06,184 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154447317] [2021-03-26 11:03:06,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:03:06,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:03:06,237 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-26 11:03:06,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 11:03:06,249 INFO L142 QuantifierPusher]: treesize reduction 15, result has 70.6 percent of original size [2021-03-26 11:03:06,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 11:03:06,266 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.1 percent of original size [2021-03-26 11:03:06,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 11:03:06,283 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.1 percent of original size [2021-03-26 11:03:06,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 11:03:06,301 INFO L142 QuantifierPusher]: treesize reduction 23, result has 51.1 percent of original size [2021-03-26 11:03:06,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 11:03:06,322 INFO L142 QuantifierPusher]: treesize reduction 23, result has 50.0 percent of original size [2021-03-26 11:03:06,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 11:03:06,345 INFO L142 QuantifierPusher]: treesize reduction 23, result has 62.3 percent of original size [2021-03-26 11:03:06,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 11:03:06,372 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.1 percent of original size [2021-03-26 11:03:06,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 11:03:06,396 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-03-26 11:03:06,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 11:03:06,420 INFO L142 QuantifierPusher]: treesize reduction 44, result has 36.2 percent of original size [2021-03-26 11:03:06,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 11:03:06,451 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-26 11:03:06,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:03:06,467 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-26 11:03:06,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:03:06,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:03:06,468 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154447317] [2021-03-26 11:03:06,468 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:03:06,468 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-26 11:03:06,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044590782] [2021-03-26 11:03:06,468 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-26 11:03:06,468 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:03:06,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-26 11:03:06,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2021-03-26 11:03:06,470 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 338 [2021-03-26 11:03:06,471 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 38 transitions, 307 flow. Second operand has 13 states, 13 states have (on average 140.07692307692307) internal successors, (1821), 13 states have internal predecessors, (1821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:06,471 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:03:06,471 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 338 [2021-03-26 11:03:06,471 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:03:06,955 INFO L129 PetriNetUnfolder]: 6/67 cut-off events. [2021-03-26 11:03:06,955 INFO L130 PetriNetUnfolder]: For 181/182 co-relation queries the response was YES. [2021-03-26 11:03:06,955 INFO L84 FinitePrefix]: Finished finitePrefix Result has 312 conditions, 67 events. 6/67 cut-off events. For 181/182 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 214 event pairs, 5 based on Foata normal form. 1/66 useless extension candidates. Maximal degree in co-relation 289. Up to 42 conditions per place. [2021-03-26 11:03:06,955 INFO L132 encePairwiseOnDemand]: 326/338 looper letters, 25 selfloop transitions, 8 changer transitions 9/44 dead transitions. [2021-03-26 11:03:06,955 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 44 transitions, 431 flow [2021-03-26 11:03:06,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 11:03:06,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 11:03:06,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1561 transitions. [2021-03-26 11:03:06,957 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41984938138784295 [2021-03-26 11:03:06,957 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1561 transitions. [2021-03-26 11:03:06,957 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1561 transitions. [2021-03-26 11:03:06,957 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:03:06,957 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1561 transitions. [2021-03-26 11:03:06,959 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 141.9090909090909) internal successors, (1561), 11 states have internal predecessors, (1561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:06,960 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 338.0) internal successors, (4056), 12 states have internal predecessors, (4056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:06,961 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 338.0) internal successors, (4056), 12 states have internal predecessors, (4056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:06,961 INFO L185 Difference]: Start difference. First operand has 67 places, 38 transitions, 307 flow. Second operand 11 states and 1561 transitions. [2021-03-26 11:03:06,961 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 44 transitions, 431 flow [2021-03-26 11:03:06,962 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 44 transitions, 390 flow, removed 7 selfloop flow, removed 10 redundant places. [2021-03-26 11:03:06,963 INFO L241 Difference]: Finished difference. Result has 70 places, 35 transitions, 267 flow [2021-03-26 11:03:06,963 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=338, PETRI_DIFFERENCE_MINUEND_FLOW=271, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=267, PETRI_PLACES=70, PETRI_TRANSITIONS=35} [2021-03-26 11:03:06,963 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 4 predicate places. [2021-03-26 11:03:06,963 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:03:06,964 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 35 transitions, 267 flow [2021-03-26 11:03:06,964 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 35 transitions, 267 flow [2021-03-26 11:03:06,964 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 35 transitions, 267 flow [2021-03-26 11:03:06,969 INFO L129 PetriNetUnfolder]: 1/44 cut-off events. [2021-03-26 11:03:06,969 INFO L130 PetriNetUnfolder]: For 75/75 co-relation queries the response was YES. [2021-03-26 11:03:06,969 INFO L84 FinitePrefix]: Finished finitePrefix Result has 170 conditions, 44 events. 1/44 cut-off events. For 75/75 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 84 event pairs, 0 based on Foata normal form. 0/43 useless extension candidates. Maximal degree in co-relation 151. Up to 7 conditions per place. [2021-03-26 11:03:06,969 INFO L142 LiptonReduction]: Number of co-enabled transitions 2 [2021-03-26 11:03:07,364 INFO L154 LiptonReduction]: Checked pairs total: 3 [2021-03-26 11:03:07,365 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 11:03:07,365 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 402 [2021-03-26 11:03:07,365 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 34 transitions, 269 flow [2021-03-26 11:03:07,366 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 140.07692307692307) internal successors, (1821), 13 states have internal predecessors, (1821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:07,366 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:03:07,366 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:03:07,366 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-03-26 11:03:07,366 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 11:03:07,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:03:07,366 INFO L82 PathProgramCache]: Analyzing trace with hash 708933888, now seen corresponding path program 1 times [2021-03-26 11:03:07,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:03:07,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548330546] [2021-03-26 11:03:07,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:03:07,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:03:07,423 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-03-26 11:03:07,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 11:03:07,432 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.8 percent of original size [2021-03-26 11:03:07,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 11:03:07,444 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.8 percent of original size [2021-03-26 11:03:07,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 11:03:07,458 INFO L142 QuantifierPusher]: treesize reduction 40, result has 58.3 percent of original size [2021-03-26 11:03:07,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 11:03:07,504 INFO L142 QuantifierPusher]: treesize reduction 40, result has 55.1 percent of original size [2021-03-26 11:03:07,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 11:03:07,511 INFO L142 QuantifierPusher]: treesize reduction 8, result has 75.0 percent of original size [2021-03-26 11:03:07,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 11:03:07,524 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-03-26 11:03:07,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 11:03:07,549 INFO L142 QuantifierPusher]: treesize reduction 16, result has 71.9 percent of original size [2021-03-26 11:03:07,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 11:03:07,575 INFO L142 QuantifierPusher]: treesize reduction 14, result has 77.4 percent of original size [2021-03-26 11:03:07,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-26 11:03:07,608 INFO L142 QuantifierPusher]: treesize reduction 21, result has 44.7 percent of original size [2021-03-26 11:03:07,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:03:07,627 INFO L142 QuantifierPusher]: treesize reduction 21, result has 44.7 percent of original size [2021-03-26 11:03:07,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:03:07,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:03:07,628 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548330546] [2021-03-26 11:03:07,628 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:03:07,628 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 11:03:07,628 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545839572] [2021-03-26 11:03:07,628 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 11:03:07,629 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:03:07,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 11:03:07,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-03-26 11:03:07,630 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 341 [2021-03-26 11:03:07,631 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 34 transitions, 269 flow. Second operand has 11 states, 11 states have (on average 140.27272727272728) internal successors, (1543), 11 states have internal predecessors, (1543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:07,631 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:03:07,631 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 341 [2021-03-26 11:03:07,631 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:03:08,045 INFO L129 PetriNetUnfolder]: 1/40 cut-off events. [2021-03-26 11:03:08,045 INFO L130 PetriNetUnfolder]: For 99/99 co-relation queries the response was YES. [2021-03-26 11:03:08,045 INFO L84 FinitePrefix]: Finished finitePrefix Result has 199 conditions, 40 events. 1/40 cut-off events. For 99/99 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 72 event pairs, 0 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 178. Up to 11 conditions per place. [2021-03-26 11:03:08,046 INFO L132 encePairwiseOnDemand]: 329/341 looper letters, 18 selfloop transitions, 15 changer transitions 0/35 dead transitions. [2021-03-26 11:03:08,046 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 35 transitions, 339 flow [2021-03-26 11:03:08,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 11:03:08,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 11:03:08,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1280 transitions. [2021-03-26 11:03:08,047 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41707396546106223 [2021-03-26 11:03:08,047 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1280 transitions. [2021-03-26 11:03:08,047 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1280 transitions. [2021-03-26 11:03:08,047 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:03:08,048 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1280 transitions. [2021-03-26 11:03:08,048 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 142.22222222222223) internal successors, (1280), 9 states have internal predecessors, (1280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:08,050 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 341.0) internal successors, (3410), 10 states have internal predecessors, (3410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:08,051 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 341.0) internal successors, (3410), 10 states have internal predecessors, (3410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:08,051 INFO L185 Difference]: Start difference. First operand has 64 places, 34 transitions, 269 flow. Second operand 9 states and 1280 transitions. [2021-03-26 11:03:08,051 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 35 transitions, 339 flow [2021-03-26 11:03:08,052 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 35 transitions, 291 flow, removed 5 selfloop flow, removed 13 redundant places. [2021-03-26 11:03:08,052 INFO L241 Difference]: Finished difference. Result has 58 places, 34 transitions, 251 flow [2021-03-26 11:03:08,052 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=215, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=251, PETRI_PLACES=58, PETRI_TRANSITIONS=34} [2021-03-26 11:03:08,053 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -8 predicate places. [2021-03-26 11:03:08,053 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:03:08,053 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 34 transitions, 251 flow [2021-03-26 11:03:08,053 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 34 transitions, 251 flow [2021-03-26 11:03:08,053 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 34 transitions, 251 flow [2021-03-26 11:03:08,058 INFO L129 PetriNetUnfolder]: 1/40 cut-off events. [2021-03-26 11:03:08,058 INFO L130 PetriNetUnfolder]: For 74/74 co-relation queries the response was YES. [2021-03-26 11:03:08,058 INFO L84 FinitePrefix]: Finished finitePrefix Result has 149 conditions, 40 events. 1/40 cut-off events. For 74/74 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 73 event pairs, 0 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 88. Up to 7 conditions per place. [2021-03-26 11:03:08,058 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-26 11:03:08,059 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 11:03:08,059 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 11:03:08,059 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6 [2021-03-26 11:03:08,059 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 34 transitions, 251 flow [2021-03-26 11:03:08,060 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 140.27272727272728) internal successors, (1543), 11 states have internal predecessors, (1543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:08,060 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:03:08,060 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:03:08,060 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-03-26 11:03:08,060 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 11:03:08,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:03:08,060 INFO L82 PathProgramCache]: Analyzing trace with hash 1900159477, now seen corresponding path program 1 times [2021-03-26 11:03:08,060 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:03:08,060 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633467876] [2021-03-26 11:03:08,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:03:08,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:03:08,112 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.6 percent of original size [2021-03-26 11:03:08,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 11:03:08,133 INFO L142 QuantifierPusher]: treesize reduction 17, result has 70.7 percent of original size [2021-03-26 11:03:08,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 11:03:08,167 INFO L142 QuantifierPusher]: treesize reduction 17, result has 66.0 percent of original size [2021-03-26 11:03:08,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 11:03:08,200 INFO L142 QuantifierPusher]: treesize reduction 17, result has 66.0 percent of original size [2021-03-26 11:03:08,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 11:03:08,235 INFO L142 QuantifierPusher]: treesize reduction 17, result has 65.3 percent of original size [2021-03-26 11:03:08,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 11:03:08,268 INFO L142 QuantifierPusher]: treesize reduction 36, result has 57.1 percent of original size [2021-03-26 11:03:08,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-26 11:03:08,316 INFO L142 QuantifierPusher]: treesize reduction 36, result has 63.6 percent of original size [2021-03-26 11:03:08,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 11:03:08,367 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-03-26 11:03:08,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 11:03:08,392 INFO L142 QuantifierPusher]: treesize reduction 44, result has 36.2 percent of original size [2021-03-26 11:03:08,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 11:03:08,428 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-26 11:03:08,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:03:08,448 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-26 11:03:08,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:03:08,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:03:08,449 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633467876] [2021-03-26 11:03:08,449 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:03:08,449 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 11:03:08,449 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925510704] [2021-03-26 11:03:08,449 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 11:03:08,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:03:08,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 11:03:08,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-03-26 11:03:08,451 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 341 [2021-03-26 11:03:08,452 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 34 transitions, 251 flow. Second operand has 12 states, 12 states have (on average 140.08333333333334) internal successors, (1681), 12 states have internal predecessors, (1681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:08,452 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:03:08,452 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 341 [2021-03-26 11:03:08,452 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:03:08,861 INFO L129 PetriNetUnfolder]: 1/39 cut-off events. [2021-03-26 11:03:08,861 INFO L130 PetriNetUnfolder]: For 93/93 co-relation queries the response was YES. [2021-03-26 11:03:08,862 INFO L84 FinitePrefix]: Finished finitePrefix Result has 181 conditions, 39 events. 1/39 cut-off events. For 93/93 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 69 event pairs, 0 based on Foata normal form. 1/40 useless extension candidates. Maximal degree in co-relation 118. Up to 19 conditions per place. [2021-03-26 11:03:08,862 INFO L132 encePairwiseOnDemand]: 331/341 looper letters, 18 selfloop transitions, 6 changer transitions 8/34 dead transitions. [2021-03-26 11:03:08,862 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 34 transitions, 312 flow [2021-03-26 11:03:08,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 11:03:08,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 11:03:08,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1418 transitions. [2021-03-26 11:03:08,863 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4158357771260997 [2021-03-26 11:03:08,863 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1418 transitions. [2021-03-26 11:03:08,863 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1418 transitions. [2021-03-26 11:03:08,864 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:03:08,864 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1418 transitions. [2021-03-26 11:03:08,872 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 141.8) internal successors, (1418), 10 states have internal predecessors, (1418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:08,873 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 341.0) internal successors, (3751), 11 states have internal predecessors, (3751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:08,873 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 341.0) internal successors, (3751), 11 states have internal predecessors, (3751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:08,874 INFO L185 Difference]: Start difference. First operand has 58 places, 34 transitions, 251 flow. Second operand 10 states and 1418 transitions. [2021-03-26 11:03:08,874 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 34 transitions, 312 flow [2021-03-26 11:03:08,875 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 34 transitions, 285 flow, removed 1 selfloop flow, removed 6 redundant places. [2021-03-26 11:03:08,875 INFO L241 Difference]: Finished difference. Result has 61 places, 26 transitions, 171 flow [2021-03-26 11:03:08,875 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=217, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=171, PETRI_PLACES=61, PETRI_TRANSITIONS=26} [2021-03-26 11:03:08,875 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -5 predicate places. [2021-03-26 11:03:08,875 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:03:08,876 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 26 transitions, 171 flow [2021-03-26 11:03:08,876 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 26 transitions, 171 flow [2021-03-26 11:03:08,876 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 26 transitions, 171 flow [2021-03-26 11:03:08,880 INFO L129 PetriNetUnfolder]: 1/29 cut-off events. [2021-03-26 11:03:08,880 INFO L130 PetriNetUnfolder]: For 36/36 co-relation queries the response was YES. [2021-03-26 11:03:08,880 INFO L84 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 29 events. 1/29 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 27 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 66. Up to 5 conditions per place. [2021-03-26 11:03:08,880 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-26 11:03:09,190 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-03-26 11:03:09,526 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 11:03:09,526 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-26 11:03:09,526 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 651 [2021-03-26 11:03:09,526 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 23 transitions, 159 flow [2021-03-26 11:03:09,527 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 140.08333333333334) internal successors, (1681), 12 states have internal predecessors, (1681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:09,527 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:03:09,527 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:03:09,527 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-03-26 11:03:09,527 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 11:03:09,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:03:09,527 INFO L82 PathProgramCache]: Analyzing trace with hash 264173308, now seen corresponding path program 1 times [2021-03-26 11:03:09,527 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:03:09,527 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318956572] [2021-03-26 11:03:09,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:03:09,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:03:09,603 INFO L142 QuantifierPusher]: treesize reduction 20, result has 72.2 percent of original size [2021-03-26 11:03:09,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 11:03:09,626 INFO L142 QuantifierPusher]: treesize reduction 17, result has 78.5 percent of original size [2021-03-26 11:03:09,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 11:03:09,665 INFO L142 QuantifierPusher]: treesize reduction 17, result has 76.1 percent of original size [2021-03-26 11:03:09,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 11:03:09,701 INFO L142 QuantifierPusher]: treesize reduction 17, result has 76.1 percent of original size [2021-03-26 11:03:09,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 11:03:09,737 INFO L142 QuantifierPusher]: treesize reduction 25, result has 49.0 percent of original size [2021-03-26 11:03:09,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 11:03:09,752 INFO L142 QuantifierPusher]: treesize reduction 25, result has 60.9 percent of original size [2021-03-26 11:03:09,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 11:03:09,777 INFO L142 QuantifierPusher]: treesize reduction 17, result has 63.0 percent of original size [2021-03-26 11:03:09,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 11:03:09,799 INFO L142 QuantifierPusher]: treesize reduction 46, result has 36.1 percent of original size [2021-03-26 11:03:09,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 11:03:09,832 INFO L142 QuantifierPusher]: treesize reduction 11, result has 62.1 percent of original size [2021-03-26 11:03:09,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 11:03:09,850 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-26 11:03:09,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:03:09,869 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-26 11:03:09,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:03:09,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:03:09,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318956572] [2021-03-26 11:03:09,870 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:03:09,870 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 11:03:09,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574378134] [2021-03-26 11:03:09,871 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 11:03:09,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:03:09,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 11:03:09,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-03-26 11:03:09,873 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 345 [2021-03-26 11:03:09,873 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 23 transitions, 159 flow. Second operand has 12 states, 12 states have (on average 140.08333333333334) internal successors, (1681), 12 states have internal predecessors, (1681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:09,874 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:03:09,874 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 345 [2021-03-26 11:03:09,874 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:03:10,176 INFO L129 PetriNetUnfolder]: 0/29 cut-off events. [2021-03-26 11:03:10,177 INFO L130 PetriNetUnfolder]: For 53/53 co-relation queries the response was YES. [2021-03-26 11:03:10,177 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 29 events. 0/29 cut-off events. For 53/53 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 41 event pairs, 0 based on Foata normal form. 1/30 useless extension candidates. Maximal degree in co-relation 0. Up to 10 conditions per place. [2021-03-26 11:03:10,177 INFO L132 encePairwiseOnDemand]: 334/345 looper letters, 11 selfloop transitions, 8 changer transitions 4/25 dead transitions. [2021-03-26 11:03:10,177 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 25 transitions, 214 flow [2021-03-26 11:03:10,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 11:03:10,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 11:03:10,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1273 transitions. [2021-03-26 11:03:10,179 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4099838969404187 [2021-03-26 11:03:10,179 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1273 transitions. [2021-03-26 11:03:10,179 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1273 transitions. [2021-03-26 11:03:10,179 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:03:10,179 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1273 transitions. [2021-03-26 11:03:10,180 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 141.44444444444446) internal successors, (1273), 9 states have internal predecessors, (1273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:10,181 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 345.0) internal successors, (3450), 10 states have internal predecessors, (3450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:10,181 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 345.0) internal successors, (3450), 10 states have internal predecessors, (3450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:10,182 INFO L185 Difference]: Start difference. First operand has 49 places, 23 transitions, 159 flow. Second operand 9 states and 1273 transitions. [2021-03-26 11:03:10,182 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 25 transitions, 214 flow [2021-03-26 11:03:10,182 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 25 transitions, 167 flow, removed 5 selfloop flow, removed 14 redundant places. [2021-03-26 11:03:10,183 INFO L241 Difference]: Finished difference. Result has 44 places, 21 transitions, 118 flow [2021-03-26 11:03:10,183 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=112, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=118, PETRI_PLACES=44, PETRI_TRANSITIONS=21} [2021-03-26 11:03:10,183 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -22 predicate places. [2021-03-26 11:03:10,183 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:03:10,183 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 21 transitions, 118 flow [2021-03-26 11:03:10,183 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 21 transitions, 118 flow [2021-03-26 11:03:10,183 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 21 transitions, 118 flow [2021-03-26 11:03:10,185 INFO L129 PetriNetUnfolder]: 0/23 cut-off events. [2021-03-26 11:03:10,185 INFO L130 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2021-03-26 11:03:10,185 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 23 events. 0/23 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 17 event pairs, 0 based on Foata normal form. 0/23 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-03-26 11:03:10,186 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-26 11:03:10,186 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 11:03:10,186 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 11:03:10,186 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3 [2021-03-26 11:03:10,186 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 21 transitions, 118 flow [2021-03-26 11:03:10,187 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 140.08333333333334) internal successors, (1681), 12 states have internal predecessors, (1681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:10,187 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:03:10,187 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:03:10,187 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-03-26 11:03:10,187 INFO L428 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 11:03:10,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:03:10,187 INFO L82 PathProgramCache]: Analyzing trace with hash -166324928, now seen corresponding path program 1 times [2021-03-26 11:03:10,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:03:10,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576118507] [2021-03-26 11:03:10,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:03:10,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:03:10,239 INFO L142 QuantifierPusher]: treesize reduction 15, result has 79.2 percent of original size [2021-03-26 11:03:10,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-26 11:03:10,269 INFO L142 QuantifierPusher]: treesize reduction 15, result has 80.8 percent of original size [2021-03-26 11:03:10,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 11:03:10,310 INFO L142 QuantifierPusher]: treesize reduction 15, result has 78.6 percent of original size [2021-03-26 11:03:10,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 11:03:10,346 INFO L142 QuantifierPusher]: treesize reduction 15, result has 78.6 percent of original size [2021-03-26 11:03:10,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 11:03:10,380 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.9 percent of original size [2021-03-26 11:03:10,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 11:03:10,395 INFO L142 QuantifierPusher]: treesize reduction 63, result has 38.8 percent of original size [2021-03-26 11:03:10,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 11:03:10,426 INFO L142 QuantifierPusher]: treesize reduction 63, result has 38.2 percent of original size [2021-03-26 11:03:10,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 11:03:10,457 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-26 11:03:10,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:03:10,471 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-26 11:03:10,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:03:10,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:03:10,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576118507] [2021-03-26 11:03:10,472 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:03:10,472 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 11:03:10,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026795915] [2021-03-26 11:03:10,472 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 11:03:10,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:03:10,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 11:03:10,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-03-26 11:03:10,473 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 345 [2021-03-26 11:03:10,474 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 21 transitions, 118 flow. Second operand has 10 states, 10 states have (on average 150.1) internal successors, (1501), 10 states have internal predecessors, (1501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:10,474 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:03:10,474 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 345 [2021-03-26 11:03:10,474 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:03:10,749 INFO L129 PetriNetUnfolder]: 0/22 cut-off events. [2021-03-26 11:03:10,750 INFO L130 PetriNetUnfolder]: For 22/22 co-relation queries the response was YES. [2021-03-26 11:03:10,750 INFO L84 FinitePrefix]: Finished finitePrefix Result has 86 conditions, 22 events. 0/22 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 16 event pairs, 0 based on Foata normal form. 1/23 useless extension candidates. Maximal degree in co-relation 0. Up to 7 conditions per place. [2021-03-26 11:03:10,750 INFO L132 encePairwiseOnDemand]: 336/345 looper letters, 8 selfloop transitions, 4 changer transitions 6/20 dead transitions. [2021-03-26 11:03:10,750 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 20 transitions, 148 flow [2021-03-26 11:03:10,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 11:03:10,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 11:03:10,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1360 transitions. [2021-03-26 11:03:10,751 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.43800322061191627 [2021-03-26 11:03:10,751 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1360 transitions. [2021-03-26 11:03:10,751 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1360 transitions. [2021-03-26 11:03:10,752 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:03:10,752 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1360 transitions. [2021-03-26 11:03:10,753 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 151.11111111111111) internal successors, (1360), 9 states have internal predecessors, (1360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:10,754 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 345.0) internal successors, (3450), 10 states have internal predecessors, (3450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:10,754 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 345.0) internal successors, (3450), 10 states have internal predecessors, (3450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:10,754 INFO L185 Difference]: Start difference. First operand has 43 places, 21 transitions, 118 flow. Second operand 9 states and 1360 transitions. [2021-03-26 11:03:10,754 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 20 transitions, 148 flow [2021-03-26 11:03:10,755 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 20 transitions, 114 flow, removed 2 selfloop flow, removed 12 redundant places. [2021-03-26 11:03:10,755 INFO L241 Difference]: Finished difference. Result has 39 places, 14 transitions, 59 flow [2021-03-26 11:03:10,755 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=59, PETRI_PLACES=39, PETRI_TRANSITIONS=14} [2021-03-26 11:03:10,755 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -27 predicate places. [2021-03-26 11:03:10,755 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:03:10,755 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 14 transitions, 59 flow [2021-03-26 11:03:10,755 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 14 transitions, 59 flow [2021-03-26 11:03:10,755 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 28 places, 14 transitions, 59 flow [2021-03-26 11:03:10,757 INFO L129 PetriNetUnfolder]: 0/14 cut-off events. [2021-03-26 11:03:10,757 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-26 11:03:10,757 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34 conditions, 14 events. 0/14 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/14 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-26 11:03:10,757 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-26 11:03:11,157 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-03-26 11:03:11,158 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 11:03:11,159 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 11:03:11,159 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 404 [2021-03-26 11:03:11,159 INFO L480 AbstractCegarLoop]: Abstraction has has 26 places, 12 transitions, 55 flow [2021-03-26 11:03:11,159 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 150.1) internal successors, (1501), 10 states have internal predecessors, (1501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:11,159 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:03:11,159 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:03:11,160 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-03-26 11:03:11,160 INFO L428 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 11:03:11,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:03:11,160 INFO L82 PathProgramCache]: Analyzing trace with hash 1222545373, now seen corresponding path program 1 times [2021-03-26 11:03:11,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:03:11,160 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142628510] [2021-03-26 11:03:11,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:03:11,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:03:11,205 INFO L142 QuantifierPusher]: treesize reduction 17, result has 63.8 percent of original size [2021-03-26 11:03:11,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 11:03:11,217 INFO L142 QuantifierPusher]: treesize reduction 17, result has 67.9 percent of original size [2021-03-26 11:03:11,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 11:03:11,230 INFO L142 QuantifierPusher]: treesize reduction 17, result has 62.2 percent of original size [2021-03-26 11:03:11,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 11:03:11,242 INFO L142 QuantifierPusher]: treesize reduction 17, result has 62.2 percent of original size [2021-03-26 11:03:11,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 11:03:11,256 INFO L142 QuantifierPusher]: treesize reduction 32, result has 48.4 percent of original size [2021-03-26 11:03:11,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 11:03:11,284 INFO L142 QuantifierPusher]: treesize reduction 32, result has 47.5 percent of original size [2021-03-26 11:03:11,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 11:03:11,300 INFO L142 QuantifierPusher]: treesize reduction 17, result has 62.2 percent of original size [2021-03-26 11:03:11,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 11:03:11,321 INFO L142 QuantifierPusher]: treesize reduction 48, result has 40.7 percent of original size [2021-03-26 11:03:11,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 11:03:11,347 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-26 11:03:11,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:03:11,362 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-26 11:03:11,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:03:11,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:03:11,363 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142628510] [2021-03-26 11:03:11,363 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:03:11,363 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 11:03:11,363 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918874484] [2021-03-26 11:03:11,363 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 11:03:11,363 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:03:11,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 11:03:11,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 11:03:11,365 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 347 [2021-03-26 11:03:11,366 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 12 transitions, 55 flow. Second operand has 11 states, 11 states have (on average 141.0909090909091) internal successors, (1552), 11 states have internal predecessors, (1552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:11,366 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:03:11,366 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 347 [2021-03-26 11:03:11,366 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:03:11,616 INFO L129 PetriNetUnfolder]: 0/11 cut-off events. [2021-03-26 11:03:11,616 INFO L130 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2021-03-26 11:03:11,616 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41 conditions, 11 events. 0/11 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 1/12 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-26 11:03:11,616 INFO L132 encePairwiseOnDemand]: 339/347 looper letters, 0 selfloop transitions, 0 changer transitions 11/11 dead transitions. [2021-03-26 11:03:11,616 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 11 transitions, 68 flow [2021-03-26 11:03:11,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 11:03:11,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 11:03:11,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1270 transitions. [2021-03-26 11:03:11,617 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40666026256804355 [2021-03-26 11:03:11,617 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1270 transitions. [2021-03-26 11:03:11,618 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1270 transitions. [2021-03-26 11:03:11,618 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:03:11,618 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1270 transitions. [2021-03-26 11:03:11,619 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 141.11111111111111) internal successors, (1270), 9 states have internal predecessors, (1270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:11,620 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 347.0) internal successors, (3470), 10 states have internal predecessors, (3470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:11,620 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 347.0) internal successors, (3470), 10 states have internal predecessors, (3470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:11,620 INFO L185 Difference]: Start difference. First operand has 26 places, 12 transitions, 55 flow. Second operand 9 states and 1270 transitions. [2021-03-26 11:03:11,620 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 11 transitions, 68 flow [2021-03-26 11:03:11,620 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 22 places, 11 transitions, 42 flow, removed 2 selfloop flow, removed 11 redundant places. [2021-03-26 11:03:11,620 INFO L241 Difference]: Finished difference. Result has 22 places, 0 transitions, 0 flow [2021-03-26 11:03:11,620 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=347, 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=9, PETRI_FLOW=0, PETRI_PLACES=22, PETRI_TRANSITIONS=0} [2021-03-26 11:03:11,621 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -44 predicate places. [2021-03-26 11:03:11,621 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:03:11,621 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 22 places, 0 transitions, 0 flow [2021-03-26 11:03:11,621 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 22 places, 0 transitions, 0 flow [2021-03-26 11:03:11,621 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-03-26 11:03:11,621 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-03-26 11:03:11,621 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 11:03:11,621 INFO L84 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2021-03-26 11:03:11,621 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-26 11:03:11,621 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 11:03:11,621 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 11:03:11,622 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1 [2021-03-26 11:03:11,622 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-03-26 11:03:11,622 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 141.0909090909091) internal successors, (1552), 11 states have internal predecessors, (1552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:11,622 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-03-26 11:03:11,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 11:03:11 BasicIcfg [2021-03-26 11:03:11,625 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 11:03:11,625 INFO L168 Benchmark]: Toolchain (without parser) took 161922.83 ms. Allocated memory was 331.4 MB in the beginning and 503.3 MB in the end (delta: 172.0 MB). Free memory was 292.8 MB in the beginning and 286.0 MB in the end (delta: 6.9 MB). Peak memory consumption was 180.5 MB. Max. memory is 16.0 GB. [2021-03-26 11:03:11,625 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 331.4 MB. Free memory was 313.0 MB in the beginning and 313.0 MB in the end (delta: 77.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 11:03:11,625 INFO L168 Benchmark]: CACSL2BoogieTranslator took 854.40 ms. Allocated memory is still 331.4 MB. Free memory was 292.7 MB in the beginning and 270.5 MB in the end (delta: 22.1 MB). Peak memory consumption was 79.1 MB. Max. memory is 16.0 GB. [2021-03-26 11:03:11,625 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.03 ms. Allocated memory is still 331.4 MB. Free memory was 270.5 MB in the beginning and 267.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-26 11:03:11,626 INFO L168 Benchmark]: Boogie Preprocessor took 35.31 ms. Allocated memory is still 331.4 MB. Free memory was 267.4 MB in the beginning and 265.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 11:03:11,626 INFO L168 Benchmark]: RCFGBuilder took 603.97 ms. Allocated memory is still 331.4 MB. Free memory was 265.3 MB in the beginning and 217.1 MB in the end (delta: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.0 GB. [2021-03-26 11:03:11,626 INFO L168 Benchmark]: TraceAbstraction took 160365.46 ms. Allocated memory was 331.4 MB in the beginning and 503.3 MB in the end (delta: 172.0 MB). Free memory was 217.1 MB in the beginning and 286.0 MB in the end (delta: -68.9 MB). Peak memory consumption was 102.0 MB. Max. memory is 16.0 GB. [2021-03-26 11:03:11,626 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 331.4 MB. Free memory was 313.0 MB in the beginning and 313.0 MB in the end (delta: 77.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 854.40 ms. Allocated memory is still 331.4 MB. Free memory was 292.7 MB in the beginning and 270.5 MB in the end (delta: 22.1 MB). Peak memory consumption was 79.1 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 57.03 ms. Allocated memory is still 331.4 MB. Free memory was 270.5 MB in the beginning and 267.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 35.31 ms. Allocated memory is still 331.4 MB. Free memory was 267.4 MB in the beginning and 265.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 603.97 ms. Allocated memory is still 331.4 MB. Free memory was 265.3 MB in the beginning and 217.1 MB in the end (delta: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 160365.46 ms. Allocated memory was 331.4 MB in the beginning and 503.3 MB in the end (delta: 172.0 MB). Free memory was 217.1 MB in the beginning and 286.0 MB in the end (delta: -68.9 MB). Peak memory consumption was 102.0 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 78472.0ms, 151 PlacesBefore, 66 PlacesAfterwards, 153 TransitionsBefore, 66 TransitionsAfterwards, 2492 CoEnabledTransitionPairs, 5 FixpointIterations, 62 TrivialSequentialCompositions, 35 ConcurrentSequentialCompositions, 9 TrivialYvCompositions, 5 ConcurrentYvCompositions, 2 ChoiceCompositions, 113 TotalNumberOfCompositions, 3461 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1880, positive: 1794, positive conditional: 1794, positive unconditional: 0, negative: 86, negative conditional: 86, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1880, positive: 1794, positive conditional: 0, positive unconditional: 1794, negative: 86, negative conditional: 0, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1880, positive: 1794, positive conditional: 0, positive unconditional: 1794, negative: 86, negative conditional: 0, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1558, positive: 1512, positive conditional: 0, positive unconditional: 1512, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1558, positive: 1506, positive conditional: 0, positive unconditional: 1506, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 52, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 22, unknown conditional: 0, unknown unconditional: 22] , SemanticIndependenceRelation.Query Time [ms]: [ total: 74377, positive: 35, positive conditional: 0, positive unconditional: 35, negative: 866, negative conditional: 0, negative unconditional: 866, unknown: 73477, unknown conditional: 0, unknown unconditional: 73477] ], Cache Queries: [ total: 1880, positive: 282, positive conditional: 0, positive unconditional: 282, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 1558, unknown conditional: 0, unknown unconditional: 1558] , Statistics on independence cache: Total cache size (in pairs): 1558, Positive cache size: 1512, Positive conditional cache size: 0, Positive unconditional cache size: 1512, Negative cache size: 46, Negative conditional cache size: 0, Negative unconditional cache size: 46, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 20156.8ms, 63 PlacesBefore, 40 PlacesAfterwards, 62 TransitionsBefore, 41 TransitionsAfterwards, 452 CoEnabledTransitionPairs, 3 FixpointIterations, 19 TrivialSequentialCompositions, 7 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 26 TotalNumberOfCompositions, 1240 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 283, positive: 209, positive conditional: 209, positive unconditional: 0, negative: 74, negative conditional: 74, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 283, positive: 209, positive conditional: 1, positive unconditional: 208, negative: 74, negative conditional: 0, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 283, positive: 209, positive conditional: 1, positive unconditional: 208, negative: 74, negative conditional: 0, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 165, positive: 146, positive conditional: 1, positive unconditional: 145, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 165, positive: 143, positive conditional: 0, positive unconditional: 143, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 22, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , SemanticIndependenceRelation.Query Time [ms]: [ total: 18121, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 560, negative conditional: 0, negative unconditional: 560, unknown: 17531, unknown conditional: 0, unknown unconditional: 17531] ], Cache Queries: [ total: 283, positive: 63, positive conditional: 0, positive unconditional: 63, negative: 55, negative conditional: 0, negative unconditional: 55, unknown: 165, unknown conditional: 1, unknown unconditional: 164] , Statistics on independence cache: Total cache size (in pairs): 1723, Positive cache size: 1658, Positive conditional cache size: 1, Positive unconditional cache size: 1657, Negative cache size: 65, Negative conditional cache size: 0, Negative unconditional cache size: 65, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2467.4ms, 40 PlacesBefore, 35 PlacesAfterwards, 40 TransitionsBefore, 35 TransitionsAfterwards, 266 CoEnabledTransitionPairs, 3 FixpointIterations, 7 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 7 TotalNumberOfCompositions, 925 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 138, positive: 68, positive conditional: 68, positive unconditional: 0, negative: 70, negative conditional: 70, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 138, positive: 68, positive conditional: 0, positive unconditional: 68, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 138, positive: 68, positive conditional: 0, positive unconditional: 68, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 138, positive: 68, positive conditional: 0, positive unconditional: 68, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1723, Positive cache size: 1658, Positive conditional cache size: 1, Positive unconditional cache size: 1657, Negative cache size: 65, Negative conditional cache size: 0, Negative unconditional cache size: 65, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 20355.1ms, 36 PlacesBefore, 35 PlacesAfterwards, 39 TransitionsBefore, 38 TransitionsAfterwards, 292 CoEnabledTransitionPairs, 2 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 498 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 59, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 32, negative conditional: 32, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 59, positive: 27, positive conditional: 6, positive unconditional: 21, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 59, positive: 27, positive conditional: 6, positive unconditional: 21, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 11, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 11, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , SemanticIndependenceRelation.Query Time [ms]: [ total: 13017, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 396, negative conditional: 0, negative unconditional: 396, unknown: 12622, unknown conditional: 0, unknown unconditional: 12622] ], Cache Queries: [ total: 59, positive: 26, positive conditional: 6, positive unconditional: 20, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 11, unknown conditional: 0, unknown unconditional: 11] , Statistics on independence cache: Total cache size (in pairs): 1734, Positive cache size: 1659, Positive conditional cache size: 1, Positive unconditional cache size: 1658, Negative cache size: 75, Negative conditional cache size: 0, Negative unconditional cache size: 75, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 184.5ms, 37 PlacesBefore, 36 PlacesAfterwards, 43 TransitionsBefore, 42 TransitionsAfterwards, 312 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 745 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 195, positive: 159, positive conditional: 159, positive unconditional: 0, negative: 36, negative conditional: 36, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 195, positive: 159, positive conditional: 46, positive unconditional: 113, negative: 36, negative conditional: 14, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 195, positive: 159, positive conditional: 46, positive unconditional: 113, negative: 36, negative conditional: 14, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 19, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 4, negative conditional: 3, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 19, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 3, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 28, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 28, negative conditional: 24, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 195, positive: 144, positive conditional: 46, positive unconditional: 98, negative: 32, negative conditional: 11, negative unconditional: 21, unknown: 19, unknown conditional: 3, unknown unconditional: 16] , Statistics on independence cache: Total cache size (in pairs): 1753, Positive cache size: 1674, Positive conditional cache size: 1, Positive unconditional cache size: 1673, Negative cache size: 79, Negative conditional cache size: 3, Negative unconditional cache size: 76, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.9ms, 30 PlacesBefore, 29 PlacesAfterwards, 25 TransitionsBefore, 25 TransitionsAfterwards, 140 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 64 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 23, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 23, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 23, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , Statistics on independence cache: Total cache size (in pairs): 1758, Positive cache size: 1679, Positive conditional cache size: 1, Positive unconditional cache size: 1678, Negative cache size: 79, Negative conditional cache size: 3, Negative unconditional cache size: 76, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 178.6ms, 40 PlacesBefore, 40 PlacesAfterwards, 34 TransitionsBefore, 34 TransitionsAfterwards, 168 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 103 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 25, positive: 18, positive conditional: 6, positive unconditional: 12, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 25, positive: 18, positive conditional: 6, positive unconditional: 12, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 5, positive conditional: 2, positive unconditional: 3, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 25, positive: 13, positive conditional: 4, positive unconditional: 9, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 6, unknown conditional: 2, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 1764, Positive cache size: 1684, Positive conditional cache size: 3, Positive unconditional cache size: 1681, Negative cache size: 80, Negative conditional cache size: 3, Negative unconditional cache size: 77, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 165.6ms, 57 PlacesBefore, 56 PlacesAfterwards, 60 TransitionsBefore, 59 TransitionsAfterwards, 238 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 77 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 20, positive: 14, positive conditional: 12, positive unconditional: 2, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20, positive: 14, positive conditional: 12, positive unconditional: 2, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9, positive: 6, positive conditional: 5, positive unconditional: 1, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 36, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 22, negative conditional: 22, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 20, positive: 8, positive conditional: 7, positive unconditional: 1, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 9, unknown conditional: 8, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 1773, Positive cache size: 1690, Positive conditional cache size: 8, Positive unconditional cache size: 1682, Negative cache size: 83, Negative conditional cache size: 6, Negative unconditional cache size: 77, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 175.6ms, 74 PlacesBefore, 73 PlacesAfterwards, 86 TransitionsBefore, 85 TransitionsAfterwards, 278 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 110 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 20, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 8, negative conditional: 6, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 8, negative conditional: 6, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 2, negative conditional: 1, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 2, negative conditional: 1, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 30, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 13, negative conditional: 9, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 20, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 6, negative conditional: 5, negative unconditional: 1, unknown: 4, unknown conditional: 3, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 1777, Positive cache size: 1692, Positive conditional cache size: 10, Positive unconditional cache size: 1682, Negative cache size: 85, Negative conditional cache size: 7, Negative unconditional cache size: 78, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 72.1ms, 80 PlacesBefore, 80 PlacesAfterwards, 103 TransitionsBefore, 103 TransitionsAfterwards, 296 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 66 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 3, negative conditional: 2, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 3, negative conditional: 2, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 7, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 3, negative conditional: 2, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1777, Positive cache size: 1692, Positive conditional cache size: 10, Positive unconditional cache size: 1682, Negative cache size: 85, Negative conditional cache size: 7, Negative unconditional cache size: 78, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 100.9ms, 84 PlacesBefore, 80 PlacesAfterwards, 97 TransitionsBefore, 97 TransitionsAfterwards, 268 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 382 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 37, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 37, negative conditional: 36, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 37, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 37, negative conditional: 36, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 35, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 35, negative conditional: 35, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 37, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 33, negative conditional: 32, negative unconditional: 1, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1781, Positive cache size: 1692, Positive conditional cache size: 10, Positive unconditional cache size: 1682, Negative cache size: 89, Negative conditional cache size: 11, Negative unconditional cache size: 78, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 47.6ms, 76 PlacesBefore, 74 PlacesAfterwards, 78 TransitionsBefore, 78 TransitionsAfterwards, 244 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 200 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 32, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 32, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 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] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 9, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 32, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1784, Positive cache size: 1694, Positive conditional cache size: 12, Positive unconditional cache size: 1682, Negative cache size: 90, Negative conditional cache size: 12, Negative unconditional cache size: 78, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 141.4ms, 85 PlacesBefore, 83 PlacesAfterwards, 83 TransitionsBefore, 82 TransitionsAfterwards, 260 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 150 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22, positive: 15, positive conditional: 15, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 35, positive: 15, positive conditional: 15, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 35, positive: 15, positive conditional: 15, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 46, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 27, negative conditional: 27, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 35, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1789, Positive cache size: 1696, Positive conditional cache size: 14, Positive unconditional cache size: 1682, Negative cache size: 93, Negative conditional cache size: 15, Negative unconditional cache size: 78, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 62.9ms, 83 PlacesBefore, 82 PlacesAfterwards, 93 TransitionsBefore, 93 TransitionsAfterwards, 264 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 368 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 37, positive: 20, positive conditional: 20, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 40, positive: 20, positive conditional: 20, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 40, positive: 20, positive conditional: 20, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 9, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 40, positive: 20, positive conditional: 20, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1790, Positive cache size: 1696, Positive conditional cache size: 14, Positive unconditional cache size: 1682, Negative cache size: 94, Negative conditional cache size: 16, Negative unconditional cache size: 78, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 57.5ms, 93 PlacesBefore, 91 PlacesAfterwards, 102 TransitionsBefore, 102 TransitionsAfterwards, 272 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 452 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 56, positive: 36, positive conditional: 36, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 60, positive: 36, positive conditional: 36, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 60, positive: 36, positive conditional: 36, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 60, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1792, Positive cache size: 1698, Positive conditional cache size: 16, Positive unconditional cache size: 1682, Negative cache size: 94, Negative conditional cache size: 16, Negative unconditional cache size: 78, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 61.7ms, 100 PlacesBefore, 97 PlacesAfterwards, 98 TransitionsBefore, 98 TransitionsAfterwards, 264 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 394 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 52, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 54, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 54, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 54, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1792, Positive cache size: 1698, Positive conditional cache size: 16, Positive unconditional cache size: 1682, Negative cache size: 94, Negative conditional cache size: 16, Negative unconditional cache size: 78, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 65.2ms, 100 PlacesBefore, 99 PlacesAfterwards, 102 TransitionsBefore, 102 TransitionsAfterwards, 264 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 105 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 15, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1792, Positive cache size: 1698, Positive conditional cache size: 16, Positive unconditional cache size: 1682, Negative cache size: 94, Negative conditional cache size: 16, Negative unconditional cache size: 78, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 53.6ms, 104 PlacesBefore, 92 PlacesAfterwards, 92 TransitionsBefore, 92 TransitionsAfterwards, 258 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 390 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 51, positive: 33, positive conditional: 33, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 54, positive: 33, positive conditional: 33, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 54, positive: 33, positive conditional: 33, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 54, positive: 33, positive conditional: 33, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1792, Positive cache size: 1698, Positive conditional cache size: 16, Positive unconditional cache size: 1682, Negative cache size: 94, Negative conditional cache size: 16, Negative unconditional cache size: 78, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 41.0ms, 96 PlacesBefore, 95 PlacesAfterwards, 95 TransitionsBefore, 95 TransitionsAfterwards, 258 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 100 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 15, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1792, Positive cache size: 1698, Positive conditional cache size: 16, Positive unconditional cache size: 1682, Negative cache size: 94, Negative conditional cache size: 16, Negative unconditional cache size: 78, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 82.3ms, 99 PlacesBefore, 84 PlacesAfterwards, 82 TransitionsBefore, 82 TransitionsAfterwards, 242 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 396 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 38, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 71, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 53, negative conditional: 51, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 71, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 53, negative conditional: 51, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 32, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 32, negative conditional: 32, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 71, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 49, negative conditional: 47, negative unconditional: 2, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1796, Positive cache size: 1698, Positive conditional cache size: 16, Positive unconditional cache size: 1682, Negative cache size: 98, Negative conditional cache size: 20, Negative unconditional cache size: 78, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 62.0ms, 87 PlacesBefore, 84 PlacesAfterwards, 97 TransitionsBefore, 97 TransitionsAfterwards, 244 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 502 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 48, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 94, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 70, negative conditional: 70, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 94, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 70, negative conditional: 70, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 94, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 70, negative conditional: 70, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1796, Positive cache size: 1698, Positive conditional cache size: 16, Positive unconditional cache size: 1682, Negative cache size: 98, Negative conditional cache size: 20, Negative unconditional cache size: 78, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 311.9ms, 83 PlacesBefore, 83 PlacesAfterwards, 79 TransitionsBefore, 79 TransitionsAfterwards, 196 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 588 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 38, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 34, negative conditional: 34, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 94, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 90, negative conditional: 90, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 94, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 90, negative conditional: 90, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 94, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 90, negative conditional: 90, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1796, Positive cache size: 1698, Positive conditional cache size: 16, Positive unconditional cache size: 1682, Negative cache size: 98, Negative conditional cache size: 20, Negative unconditional cache size: 78, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 319.7ms, 74 PlacesBefore, 72 PlacesAfterwards, 56 TransitionsBefore, 56 TransitionsAfterwards, 102 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 188 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 54, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 22, negative conditional: 22, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 68, positive: 32, positive conditional: 12, positive unconditional: 20, negative: 36, negative conditional: 36, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 68, positive: 32, positive conditional: 12, positive unconditional: 20, negative: 36, negative conditional: 36, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 21, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 68, positive: 29, positive conditional: 12, positive unconditional: 17, negative: 34, negative conditional: 34, negative unconditional: 0, unknown: 5, unknown conditional: 2, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 1801, Positive cache size: 1701, Positive conditional cache size: 16, Positive unconditional cache size: 1685, Negative cache size: 100, Negative conditional cache size: 22, Negative unconditional cache size: 78, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 252.4ms, 78 PlacesBefore, 75 PlacesAfterwards, 60 TransitionsBefore, 60 TransitionsAfterwards, 94 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 247 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 42, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 33, negative conditional: 33, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 76, positive: 9, positive conditional: 3, positive unconditional: 6, negative: 67, negative conditional: 67, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 76, positive: 9, positive conditional: 3, positive unconditional: 6, negative: 67, negative conditional: 67, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 19, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 76, positive: 9, positive conditional: 3, positive unconditional: 6, negative: 64, negative conditional: 64, negative unconditional: 0, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1804, Positive cache size: 1701, Positive conditional cache size: 16, Positive unconditional cache size: 1685, Negative cache size: 103, Negative conditional cache size: 25, Negative unconditional cache size: 78, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 79.5ms, 86 PlacesBefore, 80 PlacesAfterwards, 59 TransitionsBefore, 58 TransitionsAfterwards, 92 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 263 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 39, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 35, negative conditional: 35, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 75, positive: 4, positive conditional: 1, positive unconditional: 3, negative: 71, negative conditional: 71, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 75, positive: 4, positive conditional: 1, positive unconditional: 3, negative: 71, negative conditional: 71, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 75, positive: 4, positive conditional: 1, positive unconditional: 3, negative: 71, negative conditional: 71, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1804, Positive cache size: 1701, Positive conditional cache size: 16, Positive unconditional cache size: 1685, Negative cache size: 103, Negative conditional cache size: 25, Negative unconditional cache size: 78, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 255.7ms, 82 PlacesBefore, 75 PlacesAfterwards, 48 TransitionsBefore, 47 TransitionsAfterwards, 60 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 76 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 16, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 16, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 16, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1804, Positive cache size: 1701, Positive conditional cache size: 16, Positive unconditional cache size: 1685, Negative cache size: 103, Negative conditional cache size: 25, Negative unconditional cache size: 78, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 302.6ms, 75 PlacesBefore, 73 PlacesAfterwards, 48 TransitionsBefore, 47 TransitionsAfterwards, 58 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 141 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 21, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 21, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 21, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 21, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1804, Positive cache size: 1701, Positive conditional cache size: 16, Positive unconditional cache size: 1685, Negative cache size: 103, Negative conditional cache size: 25, Negative unconditional cache size: 78, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 190.6ms, 75 PlacesBefore, 61 PlacesAfterwards, 37 TransitionsBefore, 36 TransitionsAfterwards, 48 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 77 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 28, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 30, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 30, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 63, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 63, negative conditional: 63, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 30, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1810, Positive cache size: 1703, Positive conditional cache size: 18, Positive unconditional cache size: 1685, Negative cache size: 107, Negative conditional cache size: 29, Negative unconditional cache size: 78, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4499.4ms, 57 PlacesBefore, 57 PlacesAfterwards, 36 TransitionsBefore, 36 TransitionsAfterwards, 18 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 26 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 18, positive: 10, positive conditional: 5, positive unconditional: 5, negative: 8, negative conditional: 3, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 18, positive: 10, positive conditional: 5, positive unconditional: 5, negative: 8, negative conditional: 3, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 4, negative conditional: 2, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 1, negative unconditional: 2, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4492, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 151, negative conditional: 141, negative unconditional: 10, unknown: 4341, unknown conditional: 4341, unknown unconditional: 0] ], Cache Queries: [ total: 18, positive: 8, positive conditional: 5, positive unconditional: 3, negative: 4, negative conditional: 1, negative unconditional: 3, unknown: 6, unknown conditional: 2, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 1816, Positive cache size: 1705, Positive conditional cache size: 18, Positive unconditional cache size: 1687, Negative cache size: 111, Negative conditional cache size: 31, Negative unconditional cache size: 80, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 20.2ms, 58 PlacesBefore, 58 PlacesAfterwards, 37 TransitionsBefore, 37 TransitionsAfterwards, 18 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 30 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 9, negative conditional: 3, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 9, negative conditional: 3, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 15, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 9, negative conditional: 3, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1816, Positive cache size: 1705, Positive conditional cache size: 18, Positive unconditional cache size: 1687, Negative cache size: 111, Negative conditional cache size: 31, Negative unconditional cache size: 80, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.1ms, 62 PlacesBefore, 62 PlacesAfterwards, 37 TransitionsBefore, 37 TransitionsAfterwards, 18 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 24 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 18, positive: 12, positive conditional: 6, positive unconditional: 6, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 18, positive: 12, positive conditional: 6, positive unconditional: 6, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 18, positive: 11, positive conditional: 5, positive unconditional: 6, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1817, Positive cache size: 1706, Positive conditional cache size: 19, Positive unconditional cache size: 1687, Negative cache size: 111, Negative conditional cache size: 31, Negative unconditional cache size: 80, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.5ms, 70 PlacesBefore, 67 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 14 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 24 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 24, positive: 18, positive conditional: 12, positive unconditional: 6, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 24, positive: 18, positive conditional: 12, positive unconditional: 6, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 24, positive: 18, positive conditional: 12, positive unconditional: 6, 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): 1817, Positive cache size: 1706, Positive conditional cache size: 19, Positive unconditional cache size: 1687, Negative cache size: 111, Negative conditional cache size: 31, Negative unconditional cache size: 80, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 400.8ms, 70 PlacesBefore, 64 PlacesAfterwards, 35 TransitionsBefore, 34 TransitionsAfterwards, 2 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 3 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1817, Positive cache size: 1706, Positive conditional cache size: 19, Positive unconditional cache size: 1687, Negative cache size: 111, Negative conditional cache size: 31, Negative unconditional cache size: 80, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.8ms, 58 PlacesBefore, 58 PlacesAfterwards, 34 TransitionsBefore, 34 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1817, Positive cache size: 1706, Positive conditional cache size: 19, Positive unconditional cache size: 1687, Negative cache size: 111, Negative conditional cache size: 31, Negative unconditional cache size: 80, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 650.0ms, 61 PlacesBefore, 49 PlacesAfterwards, 26 TransitionsBefore, 23 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 4 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1817, Positive cache size: 1706, Positive conditional cache size: 19, Positive unconditional cache size: 1687, Negative cache size: 111, Negative conditional cache size: 31, Negative unconditional cache size: 80, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.9ms, 44 PlacesBefore, 43 PlacesAfterwards, 21 TransitionsBefore, 21 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1817, Positive cache size: 1706, Positive conditional cache size: 19, Positive unconditional cache size: 1687, Negative cache size: 111, Negative conditional cache size: 31, Negative unconditional cache size: 80, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 403.2ms, 39 PlacesBefore, 26 PlacesAfterwards, 14 TransitionsBefore, 12 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 2 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1817, Positive cache size: 1706, Positive conditional cache size: 19, Positive unconditional cache size: 1687, Negative cache size: 111, Negative conditional cache size: 31, Negative unconditional cache size: 80, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.5ms, 22 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: 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: SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1817, Positive cache size: 1706, Positive conditional cache size: 19, Positive unconditional cache size: 1687, Negative cache size: 111, Negative conditional cache size: 31, Negative unconditional cache size: 80, Eliminated conditions: 0 - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 140 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 2.0ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 160220.4ms, OverallIterations: 37, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 17925.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 78625.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 433 SDtfs, 937 SDslu, 534 SDs, 0 SdLazy, 8498 SolverSat, 774 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8096.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 528 GetRequests, 36 SyntacticMatches, 43 SemanticMatches, 449 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 779 ImplicationChecksByTransitivity, 13054.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1216occurred in iteration=20, InterpolantAutomatonStates: 329, 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: 70.4ms SsaConstructionTime, 711.0ms SatisfiabilityAnalysisTime, 10101.0ms InterpolantComputationTime, 599 NumberOfCodeBlocks, 599 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 562 ConstructedInterpolants, 0 QuantifiedInterpolants, 12464 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 37 InterpolantComputations, 37 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...