/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-3_1-container_of-global.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 11:01:45,852 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 11:01:45,855 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 11:01:45,883 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 11:01:45,883 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 11:01:45,885 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 11:01:45,887 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 11:01:45,891 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 11:01:45,892 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 11:01:45,895 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 11:01:45,896 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 11:01:45,897 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-26 11:01:45,897 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 11:01:45,899 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 11:01:45,900 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 11:01:45,900 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 11:01:45,903 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 11:01:45,904 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 11:01:45,906 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 11:01:45,912 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 11:01:45,912 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 11:01:45,913 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 11:01:45,914 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 11:01:45,915 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 11:01:45,920 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-26 11:01:45,920 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-26 11:01:45,920 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-26 11:01:45,921 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-26 11:01:45,921 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-26 11:01:46,055 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-26 11:01:46,055 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-26 11:01:46,056 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-26 11:01:46,057 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-26 11:01:46,058 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-26 11:01:46,058 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-26 11:01:46,058 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-26 11:01:46,059 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-26 11:01:46,059 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-26 11:01:46,059 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 11:01:46,060 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 11:01:46,060 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 11:01:46,061 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 11:01:46,087 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 11:01:46,087 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 11:01:46,089 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 11:01:46,090 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 11:01:46,090 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 11:01:46,090 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 11:01:46,090 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 11:01:46,090 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 11:01:46,090 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 11:01:46,090 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 11:01:46,091 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 11:01:46,091 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 11:01:46,091 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 11:01:46,091 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 11:01:46,091 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 11:01:46,091 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 11:01:46,092 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 11:01:46,092 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 11:01:46,092 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 11:01:46,092 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 11:01:46,092 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 11:01:46,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 11:01:46,092 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 11:01:46,092 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 11:01:46,092 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 11:01:46,092 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 11:01:46,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 11:01:46,093 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-03-26 11:01:46,093 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 11:01:46,093 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 11:01:46,093 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 11:01:46,377 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 11:01:46,399 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 11:01:46,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 11:01:46,401 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-26 11:01:46,402 INFO L275 PluginConnector]: CDTParser initialized [2021-03-26 11:01:46,402 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i [2021-03-26 11:01:46,457 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb120f6e3/0c6aae6eb0304e2aa8c9ce0a3c923588/FLAG572b08de7 [2021-03-26 11:01:47,083 INFO L306 CDTParser]: Found 1 translation units. [2021-03-26 11:01:47,083 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i [2021-03-26 11:01:47,101 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb120f6e3/0c6aae6eb0304e2aa8c9ce0a3c923588/FLAG572b08de7 [2021-03-26 11:01:47,433 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb120f6e3/0c6aae6eb0304e2aa8c9ce0a3c923588 [2021-03-26 11:01:47,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 11:01:47,436 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-26 11:01:47,437 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-26 11:01:47,437 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-26 11:01:47,439 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-26 11:01:47,440 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 11:01:47" (1/1) ... [2021-03-26 11:01:47,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a7ae039 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 11:01:47, skipping insertion in model container [2021-03-26 11:01:47,441 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 11:01:47" (1/1) ... [2021-03-26 11:01:47,445 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-26 11:01:47,475 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-26 11:01:47,926 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i[76084,76097] [2021-03-26 11:01:47,941 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 11:01:47,945 INFO L203 MainTranslator]: Completed pre-run [2021-03-26 11:01:47,968 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i[76084,76097] [2021-03-26 11:01:47,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 11:01:48,149 INFO L208 MainTranslator]: Completed translation [2021-03-26 11:01:48,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 11:01:48 WrapperNode [2021-03-26 11:01:48,151 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-26 11:01:48,152 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 11:01:48,152 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 11:01:48,152 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 11:01:48,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 11:01:48" (1/1) ... [2021-03-26 11:01:48,173 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 11:01:48" (1/1) ... [2021-03-26 11:01:48,190 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 11:01:48,190 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 11:01:48,190 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 11:01:48,190 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 11:01:48,195 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 11:01:48" (1/1) ... [2021-03-26 11:01:48,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 11:01:48" (1/1) ... [2021-03-26 11:01:48,198 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 11:01:48" (1/1) ... [2021-03-26 11:01:48,198 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 11:01:48" (1/1) ... [2021-03-26 11:01:48,205 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 11:01:48" (1/1) ... [2021-03-26 11:01:48,206 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 11:01:48" (1/1) ... [2021-03-26 11:01:48,209 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 11:01:48" (1/1) ... [2021-03-26 11:01:48,213 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 11:01:48,213 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 11:01:48,213 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 11:01:48,213 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 11:01:48,214 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 11:01:48" (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 11:01:48,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-26 11:01:48,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-26 11:01:48,259 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-03-26 11:01:48,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-03-26 11:01:48,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 11:01:48,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 11:01:48,259 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2021-03-26 11:01:48,259 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2021-03-26 11:01:48,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-26 11:01:48,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-26 11:01:48,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-26 11:01:48,260 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 11:01:48,613 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 11:01:48,614 INFO L299 CfgBuilder]: Removed 24 assume(true) statements. [2021-03-26 11:01:48,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 11:01:48 BoogieIcfgContainer [2021-03-26 11:01:48,615 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 11:01:48,616 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 11:01:48,616 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 11:01:48,617 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 11:01:48,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.03 11:01:47" (1/3) ... [2021-03-26 11:01:48,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f13f7e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 11:01:48, skipping insertion in model container [2021-03-26 11:01:48,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 11:01:48" (2/3) ... [2021-03-26 11:01:48,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f13f7e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 11:01:48, skipping insertion in model container [2021-03-26 11:01:48,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 11:01:48" (3/3) ... [2021-03-26 11:01:48,619 INFO L111 eAbstractionObserver]: Analyzing ICFG race-3_1-container_of-global.i [2021-03-26 11:01:48,622 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 11:01:48,625 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2021-03-26 11:01:48,626 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 11:01:48,645 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,646 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,646 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,646 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,646 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,646 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,646 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,646 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,646 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,646 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,647 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,647 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,647 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,647 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,647 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,647 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,647 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,647 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,647 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,648 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,648 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,648 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,648 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,648 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,648 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,648 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,648 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,648 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,648 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,648 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,649 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,649 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,649 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,649 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,649 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,649 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,649 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,649 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,649 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,650 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,650 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,650 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,650 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,650 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,650 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,650 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,650 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,650 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,650 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,651 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,651 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,651 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,651 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,651 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,651 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,651 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,651 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,651 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,651 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,651 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,652 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,652 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,652 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,652 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,652 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,652 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,652 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,652 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,652 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,652 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,652 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,652 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,652 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,653 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,653 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,653 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,653 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,653 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,653 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,653 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,653 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,653 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,653 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,653 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,654 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,654 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,654 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,654 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,654 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,654 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,654 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,654 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,654 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,654 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,655 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,655 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,655 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,655 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,655 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,655 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,655 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,655 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,655 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,655 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,655 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,655 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,656 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,656 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,656 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,656 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,656 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,656 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,656 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,656 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,657 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,657 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,658 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,658 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,658 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,658 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,658 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,658 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,659 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,659 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,659 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,659 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,662 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,662 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,662 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,662 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,662 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,662 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,662 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,662 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,662 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,662 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:01:48,667 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-03-26 11:01:48,680 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-03-26 11:01:48,693 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 11:01:48,693 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 11:01:48,693 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 11:01:48,693 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 11:01:48,693 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 11:01:48,693 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 11:01:48,693 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 11:01:48,693 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 11:01:48,702 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 160 places, 164 transitions, 350 flow [2021-03-26 11:01:48,796 INFO L129 PetriNetUnfolder]: 11/204 cut-off events. [2021-03-26 11:01:48,796 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-26 11:01:48,799 INFO L84 FinitePrefix]: Finished finitePrefix Result has 215 conditions, 204 events. 11/204 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 407 event pairs, 0 based on Foata normal form. 0/184 useless extension candidates. Maximal degree in co-relation 115. Up to 4 conditions per place. [2021-03-26 11:01:48,799 INFO L82 GeneralOperation]: Start removeDead. Operand has 160 places, 164 transitions, 350 flow [2021-03-26 11:01:48,803 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 150 places, 152 transitions, 322 flow [2021-03-26 11:01:48,806 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:01:48,815 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 150 places, 152 transitions, 322 flow [2021-03-26 11:01:48,818 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 150 places, 152 transitions, 322 flow [2021-03-26 11:01:48,822 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 150 places, 152 transitions, 322 flow [2021-03-26 11:01:48,860 INFO L129 PetriNetUnfolder]: 8/185 cut-off events. [2021-03-26 11:01:48,861 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-26 11:01:48,862 INFO L84 FinitePrefix]: Finished finitePrefix Result has 196 conditions, 185 events. 8/185 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 343 event pairs, 0 based on Foata normal form. 0/170 useless extension candidates. Maximal degree in co-relation 105. Up to 4 conditions per place. [2021-03-26 11:01:48,865 INFO L142 LiptonReduction]: Number of co-enabled transitions 2288 [2021-03-26 11:02:04,762 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-03-26 11:02:10,467 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2021-03-26 11:02:15,195 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-03-26 11:02:33,997 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 3 [2021-03-26 11:02:41,359 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2021-03-26 11:02:55,227 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 1 [2021-03-26 11:02:55,386 INFO L154 LiptonReduction]: Checked pairs total: 3162 [2021-03-26 11:02:55,386 INFO L156 LiptonReduction]: Total number of compositions: 115 [2021-03-26 11:02:55,387 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 66584 [2021-03-26 11:02:55,393 INFO L129 PetriNetUnfolder]: 0/8 cut-off events. [2021-03-26 11:02:55,393 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 11:02:55,393 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:02:55,393 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:02:55,393 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 11:02:55,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:02:55,396 INFO L82 PathProgramCache]: Analyzing trace with hash -399348905, now seen corresponding path program 1 times [2021-03-26 11:02:55,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:02:55,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428376113] [2021-03-26 11:02:55,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:02:55,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:02:55,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:02:55,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 11:02:55,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:02:55,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:02:55,670 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 11:02:55,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428376113] [2021-03-26 11:02:55,671 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:02:55,671 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 11:02:55,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030851782] [2021-03-26 11:02:55,676 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 11:02:55,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:02:55,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 11:02:55,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 11:02:55,686 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 279 [2021-03-26 11:02:55,688 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 65 transitions, 148 flow. Second operand has 3 states, 3 states have (on average 241.0) internal successors, (723), 3 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:55,688 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:02:55,688 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 279 [2021-03-26 11:02:55,689 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:02:55,702 INFO L129 PetriNetUnfolder]: 2/70 cut-off events. [2021-03-26 11:02:55,702 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-26 11:02:55,702 INFO L84 FinitePrefix]: Finished finitePrefix Result has 86 conditions, 70 events. 2/70 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 139 event pairs, 0 based on Foata normal form. 4/64 useless extension candidates. Maximal degree in co-relation 69. Up to 3 conditions per place. [2021-03-26 11:02:55,703 INFO L132 encePairwiseOnDemand]: 272/279 looper letters, 2 selfloop transitions, 2 changer transitions 2/58 dead transitions. [2021-03-26 11:02:55,703 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 58 transitions, 142 flow [2021-03-26 11:02:55,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 11:02:55,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 11:02:55,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 729 transitions. [2021-03-26 11:02:55,713 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8709677419354839 [2021-03-26 11:02:55,713 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 729 transitions. [2021-03-26 11:02:55,713 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 729 transitions. [2021-03-26 11:02:55,715 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:02:55,716 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 729 transitions. [2021-03-26 11:02:55,719 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 243.0) internal successors, (729), 3 states have internal predecessors, (729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:55,724 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 279.0) internal successors, (1116), 4 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:55,724 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 279.0) internal successors, (1116), 4 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:55,725 INFO L185 Difference]: Start difference. First operand has 64 places, 65 transitions, 148 flow. Second operand 3 states and 729 transitions. [2021-03-26 11:02:55,726 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 58 transitions, 142 flow [2021-03-26 11:02:55,728 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 58 transitions, 130 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-26 11:02:55,729 INFO L241 Difference]: Finished difference. Result has 59 places, 56 transitions, 122 flow [2021-03-26 11:02:55,730 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=279, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=122, PETRI_PLACES=59, PETRI_TRANSITIONS=56} [2021-03-26 11:02:55,730 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -5 predicate places. [2021-03-26 11:02:55,730 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:02:55,731 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 56 transitions, 122 flow [2021-03-26 11:02:55,731 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 56 transitions, 122 flow [2021-03-26 11:02:55,731 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 56 transitions, 122 flow [2021-03-26 11:02:55,735 INFO L129 PetriNetUnfolder]: 2/68 cut-off events. [2021-03-26 11:02:55,735 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 11:02:55,735 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74 conditions, 68 events. 2/68 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 133 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 61. Up to 3 conditions per place. [2021-03-26 11:02:55,735 INFO L142 LiptonReduction]: Number of co-enabled transitions 370 [2021-03-26 11:03:14,528 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2021-03-26 11:03:29,788 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2021-03-26 11:03:30,011 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2021-03-26 11:03:30,690 WARN L205 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 148 [2021-03-26 11:03:30,946 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2021-03-26 11:03:31,433 WARN L205 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 148 [2021-03-26 11:03:31,691 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2021-03-26 11:03:32,459 WARN L205 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 166 [2021-03-26 11:03:32,791 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2021-03-26 11:03:33,626 WARN L205 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 166 [2021-03-26 11:03:33,978 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2021-03-26 11:03:35,834 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 182 DAG size of output: 178 [2021-03-26 11:03:36,954 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 157 [2021-03-26 11:03:39,023 WARN L205 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 182 DAG size of output: 178 [2021-03-26 11:03:39,768 WARN L205 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2021-03-26 11:03:39,789 INFO L154 LiptonReduction]: Checked pairs total: 1956 [2021-03-26 11:03:39,789 INFO L156 LiptonReduction]: Total number of compositions: 30 [2021-03-26 11:03:39,789 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 44059 [2021-03-26 11:03:39,790 INFO L480 AbstractCegarLoop]: Abstraction has has 34 places, 34 transitions, 80 flow [2021-03-26 11:03:39,791 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 241.0) internal successors, (723), 3 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:39,791 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:03:39,791 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:03:39,791 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 11:03:39,791 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 11:03:39,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:03:39,793 INFO L82 PathProgramCache]: Analyzing trace with hash -1522193569, now seen corresponding path program 1 times [2021-03-26 11:03:39,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:03:39,794 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420908370] [2021-03-26 11:03:39,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:03:39,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:03:39,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:03:39,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 11:03:39,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:03:39,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 11:03:39,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:03:39,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 11:03:39,891 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 11:03:39,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420908370] [2021-03-26 11:03:39,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:03:39,891 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 11:03:39,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842155418] [2021-03-26 11:03:39,892 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 11:03:39,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:03:39,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 11:03:39,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 11:03:39,894 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 309 [2021-03-26 11:03:39,895 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 34 transitions, 80 flow. Second operand has 4 states, 4 states have (on average 163.75) internal successors, (655), 4 states have internal predecessors, (655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:39,895 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:03:39,895 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 309 [2021-03-26 11:03:39,895 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:03:39,960 INFO L129 PetriNetUnfolder]: 170/357 cut-off events. [2021-03-26 11:03:39,960 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 11:03:39,961 INFO L84 FinitePrefix]: Finished finitePrefix Result has 676 conditions, 357 events. 170/357 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1704 event pairs, 117 based on Foata normal form. 0/316 useless extension candidates. Maximal degree in co-relation 655. Up to 224 conditions per place. [2021-03-26 11:03:39,963 INFO L132 encePairwiseOnDemand]: 298/309 looper letters, 21 selfloop transitions, 10 changer transitions 1/43 dead transitions. [2021-03-26 11:03:39,963 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 43 transitions, 160 flow [2021-03-26 11:03:39,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 11:03:39,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 11:03:39,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 681 transitions. [2021-03-26 11:03:39,965 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5509708737864077 [2021-03-26 11:03:39,965 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 681 transitions. [2021-03-26 11:03:39,965 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 681 transitions. [2021-03-26 11:03:39,965 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:03:39,965 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 681 transitions. [2021-03-26 11:03:39,966 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 170.25) internal successors, (681), 4 states have internal predecessors, (681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:39,970 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 309.0) internal successors, (1545), 5 states have internal predecessors, (1545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:39,971 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 309.0) internal successors, (1545), 5 states have internal predecessors, (1545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:39,971 INFO L185 Difference]: Start difference. First operand has 34 places, 34 transitions, 80 flow. Second operand 4 states and 681 transitions. [2021-03-26 11:03:39,971 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 43 transitions, 160 flow [2021-03-26 11:03:39,972 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 43 transitions, 156 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-03-26 11:03:39,972 INFO L241 Difference]: Finished difference. Result has 36 places, 36 transitions, 109 flow [2021-03-26 11:03:39,972 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=72, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=109, PETRI_PLACES=36, PETRI_TRANSITIONS=36} [2021-03-26 11:03:39,973 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -28 predicate places. [2021-03-26 11:03:39,973 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:03:39,973 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 36 transitions, 109 flow [2021-03-26 11:03:39,973 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 36 transitions, 109 flow [2021-03-26 11:03:39,973 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 36 transitions, 109 flow [2021-03-26 11:03:39,992 INFO L129 PetriNetUnfolder]: 4/60 cut-off events. [2021-03-26 11:03:39,992 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 11:03:39,992 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88 conditions, 60 events. 4/60 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 171 event pairs, 0 based on Foata normal form. 0/58 useless extension candidates. Maximal degree in co-relation 28. Up to 9 conditions per place. [2021-03-26 11:03:39,993 INFO L142 LiptonReduction]: Number of co-enabled transitions 266 [2021-03-26 11:03:55,250 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-03-26 11:03:55,351 INFO L154 LiptonReduction]: Checked pairs total: 1048 [2021-03-26 11:03:55,351 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 11:03:55,351 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15378 [2021-03-26 11:03:55,352 INFO L480 AbstractCegarLoop]: Abstraction has has 34 places, 34 transitions, 105 flow [2021-03-26 11:03:55,353 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 163.75) internal successors, (655), 4 states have internal predecessors, (655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:55,353 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:03:55,353 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2021-03-26 11:03:55,353 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 11:03:55,353 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 11:03:55,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:03:55,353 INFO L82 PathProgramCache]: Analyzing trace with hash 16956485, now seen corresponding path program 1 times [2021-03-26 11:03:55,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:03:55,354 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680951918] [2021-03-26 11:03:55,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:03:55,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:03:55,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:03:55,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 11:03:55,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:03:55,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 11:03:55,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:03:55,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 11:03:55,445 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 11:03:55,445 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680951918] [2021-03-26 11:03:55,446 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:03:55,446 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 11:03:55,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564184338] [2021-03-26 11:03:55,446 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 11:03:55,447 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:03:55,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 11:03:55,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 11:03:55,449 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 312 [2021-03-26 11:03:55,450 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 34 transitions, 105 flow. Second operand has 3 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:55,450 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:03:55,450 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 312 [2021-03-26 11:03:55,450 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:03:55,585 INFO L129 PetriNetUnfolder]: 241/490 cut-off events. [2021-03-26 11:03:55,585 INFO L130 PetriNetUnfolder]: For 87/91 co-relation queries the response was YES. [2021-03-26 11:03:55,587 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1053 conditions, 490 events. 241/490 cut-off events. For 87/91 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 2506 event pairs, 94 based on Foata normal form. 17/499 useless extension candidates. Maximal degree in co-relation 707. Up to 339 conditions per place. [2021-03-26 11:03:55,590 INFO L132 encePairwiseOnDemand]: 305/312 looper letters, 25 selfloop transitions, 7 changer transitions 0/43 dead transitions. [2021-03-26 11:03:55,590 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 43 transitions, 191 flow [2021-03-26 11:03:55,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 11:03:55,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 11:03:55,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 588 transitions. [2021-03-26 11:03:55,592 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6282051282051282 [2021-03-26 11:03:55,592 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 588 transitions. [2021-03-26 11:03:55,592 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 588 transitions. [2021-03-26 11:03:55,593 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:03:55,593 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 588 transitions. [2021-03-26 11:03:55,594 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 196.0) internal successors, (588), 3 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:55,599 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 312.0) internal successors, (1248), 4 states have internal predecessors, (1248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:55,600 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 312.0) internal successors, (1248), 4 states have internal predecessors, (1248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:55,600 INFO L185 Difference]: Start difference. First operand has 34 places, 34 transitions, 105 flow. Second operand 3 states and 588 transitions. [2021-03-26 11:03:55,600 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 43 transitions, 191 flow [2021-03-26 11:03:55,605 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 43 transitions, 174 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-26 11:03:55,606 INFO L241 Difference]: Finished difference. Result has 35 places, 38 transitions, 131 flow [2021-03-26 11:03:55,606 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=312, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=131, PETRI_PLACES=35, PETRI_TRANSITIONS=38} [2021-03-26 11:03:55,607 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -29 predicate places. [2021-03-26 11:03:55,607 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:03:55,607 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 38 transitions, 131 flow [2021-03-26 11:03:55,608 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 35 places, 38 transitions, 131 flow [2021-03-26 11:03:55,608 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 35 places, 38 transitions, 131 flow [2021-03-26 11:03:55,617 INFO L129 PetriNetUnfolder]: 31/140 cut-off events. [2021-03-26 11:03:55,617 INFO L130 PetriNetUnfolder]: For 32/34 co-relation queries the response was YES. [2021-03-26 11:03:55,617 INFO L84 FinitePrefix]: Finished finitePrefix Result has 247 conditions, 140 events. 31/140 cut-off events. For 32/34 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 671 event pairs, 12 based on Foata normal form. 0/136 useless extension candidates. Maximal degree in co-relation 74. Up to 54 conditions per place. [2021-03-26 11:03:55,618 INFO L142 LiptonReduction]: Number of co-enabled transitions 292 [2021-03-26 11:03:55,623 INFO L154 LiptonReduction]: Checked pairs total: 224 [2021-03-26 11:03:55,624 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 11:03:55,624 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 17 [2021-03-26 11:03:55,627 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 38 transitions, 131 flow [2021-03-26 11:03:55,627 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 11:03:55,627 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:03:55,627 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-03-26 11:03:55,627 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 11:03:55,628 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 11:03:55,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:03:55,628 INFO L82 PathProgramCache]: Analyzing trace with hash 525646286, now seen corresponding path program 1 times [2021-03-26 11:03:55,628 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:03:55,629 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224375660] [2021-03-26 11:03:55,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:03:55,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:03:55,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:03:55,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 11:03:55,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:03:55,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 11:03:55,680 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 11:03:55,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224375660] [2021-03-26 11:03:55,681 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:03:55,681 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 11:03:55,681 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475283018] [2021-03-26 11:03:55,681 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 11:03:55,681 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:03:55,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 11:03:55,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 11:03:55,683 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 312 [2021-03-26 11:03:55,684 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 38 transitions, 131 flow. Second operand has 3 states, 3 states have (on average 187.66666666666666) internal successors, (563), 3 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:55,684 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:03:55,684 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 312 [2021-03-26 11:03:55,684 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:03:55,810 INFO L129 PetriNetUnfolder]: 268/540 cut-off events. [2021-03-26 11:03:55,810 INFO L130 PetriNetUnfolder]: For 258/266 co-relation queries the response was YES. [2021-03-26 11:03:55,811 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1408 conditions, 540 events. 268/540 cut-off events. For 258/266 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 2880 event pairs, 106 based on Foata normal form. 32/565 useless extension candidates. Maximal degree in co-relation 295. Up to 376 conditions per place. [2021-03-26 11:03:55,813 INFO L132 encePairwiseOnDemand]: 306/312 looper letters, 27 selfloop transitions, 9 changer transitions 3/50 dead transitions. [2021-03-26 11:03:55,814 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 50 transitions, 259 flow [2021-03-26 11:03:55,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 11:03:55,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 11:03:55,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 587 transitions. [2021-03-26 11:03:55,819 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6271367521367521 [2021-03-26 11:03:55,819 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 587 transitions. [2021-03-26 11:03:55,819 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 587 transitions. [2021-03-26 11:03:55,820 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:03:55,820 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 587 transitions. [2021-03-26 11:03:55,821 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 195.66666666666666) internal successors, (587), 3 states have internal predecessors, (587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:55,823 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 312.0) internal successors, (1248), 4 states have internal predecessors, (1248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:55,823 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 312.0) internal successors, (1248), 4 states have internal predecessors, (1248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:55,824 INFO L185 Difference]: Start difference. First operand has 35 places, 38 transitions, 131 flow. Second operand 3 states and 587 transitions. [2021-03-26 11:03:55,824 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 50 transitions, 259 flow [2021-03-26 11:03:55,827 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 11:03:55,828 INFO L241 Difference]: Finished difference. Result has 37 places, 43 transitions, 187 flow [2021-03-26 11:03:55,828 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=312, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=187, PETRI_PLACES=37, PETRI_TRANSITIONS=43} [2021-03-26 11:03:55,828 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -27 predicate places. [2021-03-26 11:03:55,828 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:03:55,829 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 43 transitions, 187 flow [2021-03-26 11:03:55,829 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 43 transitions, 187 flow [2021-03-26 11:03:55,829 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 43 transitions, 187 flow [2021-03-26 11:03:55,845 INFO L129 PetriNetUnfolder]: 74/217 cut-off events. [2021-03-26 11:03:55,845 INFO L130 PetriNetUnfolder]: For 124/124 co-relation queries the response was YES. [2021-03-26 11:03:55,845 INFO L84 FinitePrefix]: Finished finitePrefix Result has 528 conditions, 217 events. 74/217 cut-off events. For 124/124 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1147 event pairs, 23 based on Foata normal form. 0/212 useless extension candidates. Maximal degree in co-relation 187. Up to 114 conditions per place. [2021-03-26 11:03:55,847 INFO L142 LiptonReduction]: Number of co-enabled transitions 312 [2021-03-26 11:03:56,152 INFO L154 LiptonReduction]: Checked pairs total: 852 [2021-03-26 11:03:56,152 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 11:03:56,152 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 324 [2021-03-26 11:03:56,158 INFO L480 AbstractCegarLoop]: Abstraction has has 36 places, 42 transitions, 185 flow [2021-03-26 11:03:56,159 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 187.66666666666666) internal successors, (563), 3 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:56,159 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:03:56,159 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:03:56,159 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 11:03:56,159 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 11:03:56,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:03:56,159 INFO L82 PathProgramCache]: Analyzing trace with hash 209800846, now seen corresponding path program 1 times [2021-03-26 11:03:56,159 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:03:56,159 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27985829] [2021-03-26 11:03:56,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:03:56,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:03:56,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:03:56,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 11:03:56,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:03:56,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:03:56,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:03:56,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 11:03:56,204 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 11:03:56,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27985829] [2021-03-26 11:03:56,205 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:03:56,205 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 11:03:56,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465951196] [2021-03-26 11:03:56,205 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 11:03:56,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:03:56,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 11:03:56,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 11:03:56,207 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 257 out of 314 [2021-03-26 11:03:56,208 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 11:03:56,208 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:03:56,208 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 257 of 314 [2021-03-26 11:03:56,208 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:03:56,226 INFO L129 PetriNetUnfolder]: 6/48 cut-off events. [2021-03-26 11:03:56,226 INFO L130 PetriNetUnfolder]: For 38/47 co-relation queries the response was YES. [2021-03-26 11:03:56,227 INFO L84 FinitePrefix]: Finished finitePrefix Result has 91 conditions, 48 events. 6/48 cut-off events. For 38/47 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 123 event pairs, 4 based on Foata normal form. 16/62 useless extension candidates. Maximal degree in co-relation 85. Up to 14 conditions per place. [2021-03-26 11:03:56,227 INFO L132 encePairwiseOnDemand]: 312/314 looper letters, 1 selfloop transitions, 1 changer transitions 0/25 dead transitions. [2021-03-26 11:03:56,227 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 25 transitions, 86 flow [2021-03-26 11:03:56,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 11:03:56,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 11:03:56,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 774 transitions. [2021-03-26 11:03:56,229 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.821656050955414 [2021-03-26 11:03:56,229 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 774 transitions. [2021-03-26 11:03:56,229 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 774 transitions. [2021-03-26 11:03:56,229 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:03:56,229 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 774 transitions. [2021-03-26 11:03:56,232 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 11:03:56,233 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 314.0) internal successors, (1256), 4 states have internal predecessors, (1256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:56,234 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 314.0) internal successors, (1256), 4 states have internal predecessors, (1256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:56,234 INFO L185 Difference]: Start difference. First operand has 36 places, 42 transitions, 185 flow. Second operand 3 states and 774 transitions. [2021-03-26 11:03:56,235 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 25 transitions, 86 flow [2021-03-26 11:03:56,236 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 11:03:56,236 INFO L241 Difference]: Finished difference. Result has 30 places, 25 transitions, 76 flow [2021-03-26 11:03:56,236 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=314, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=76, PETRI_PLACES=30, PETRI_TRANSITIONS=25} [2021-03-26 11:03:56,237 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -34 predicate places. [2021-03-26 11:03:56,237 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:03:56,237 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 25 transitions, 76 flow [2021-03-26 11:03:56,242 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 30 places, 25 transitions, 76 flow [2021-03-26 11:03:56,243 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 29 places, 25 transitions, 76 flow [2021-03-26 11:03:56,247 INFO L129 PetriNetUnfolder]: 6/48 cut-off events. [2021-03-26 11:03:56,247 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-26 11:03:56,247 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 48 events. 6/48 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 122 event pairs, 4 based on Foata normal form. 0/47 useless extension candidates. Maximal degree in co-relation 53. Up to 14 conditions per place. [2021-03-26 11:03:56,247 INFO L142 LiptonReduction]: Number of co-enabled transitions 140 [2021-03-26 11:03:56,257 INFO L154 LiptonReduction]: Checked pairs total: 67 [2021-03-26 11:03:56,257 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 11:03:56,257 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 20 [2021-03-26 11:03:56,259 INFO L480 AbstractCegarLoop]: Abstraction has has 29 places, 25 transitions, 76 flow [2021-03-26 11:03:56,259 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 11:03:56,259 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:03:56,259 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 11:03:56,259 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 11:03:56,260 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 11:03:56,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:03:56,260 INFO L82 PathProgramCache]: Analyzing trace with hash 1186329291, now seen corresponding path program 1 times [2021-03-26 11:03:56,260 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:03:56,261 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978681996] [2021-03-26 11:03:56,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:03:56,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:03:56,404 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-26 11:03:56,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:03:56,413 INFO L142 QuantifierPusher]: treesize reduction 11, result has 59.3 percent of original size [2021-03-26 11:03:56,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 11:03:56,423 INFO L142 QuantifierPusher]: treesize reduction 16, result has 57.9 percent of original size [2021-03-26 11:03:56,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 11:03:56,439 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.0 percent of original size [2021-03-26 11:03:56,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 11:03:56,457 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.4 percent of original size [2021-03-26 11:03:56,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 11:03:56,468 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.0 percent of original size [2021-03-26 11:03:56,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 11:03:56,472 INFO L142 QuantifierPusher]: treesize reduction 24, result has 65.7 percent of original size [2021-03-26 11:03:56,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 11:03:56,512 INFO L142 QuantifierPusher]: treesize reduction 24, result has 68.0 percent of original size [2021-03-26 11:03:56,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 11:03:56,555 INFO L142 QuantifierPusher]: treesize reduction 24, result has 73.0 percent of original size [2021-03-26 11:03:56,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 11:03:56,571 INFO L142 QuantifierPusher]: treesize reduction 24, result has 68.0 percent of original size [2021-03-26 11:03:56,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 11:03:56,575 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.9 percent of original size [2021-03-26 11:03:56,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 11:03:56,594 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.9 percent of original size [2021-03-26 11:03:56,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 11:03:56,596 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-26 11:03:56,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:03:56,597 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 11:03:56,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978681996] [2021-03-26 11:03:56,597 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:03:56,597 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 11:03:56,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248761564] [2021-03-26 11:03:56,597 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 11:03:56,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:03:56,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 11:03:56,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-03-26 11:03:56,599 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 314 [2021-03-26 11:03:56,600 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 25 transitions, 76 flow. Second operand has 9 states, 9 states have (on average 147.0) internal successors, (1323), 9 states have internal predecessors, (1323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:56,600 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:03:56,600 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 314 [2021-03-26 11:03:56,600 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:03:57,227 INFO L129 PetriNetUnfolder]: 253/600 cut-off events. [2021-03-26 11:03:57,227 INFO L130 PetriNetUnfolder]: For 180/180 co-relation queries the response was YES. [2021-03-26 11:03:57,230 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1395 conditions, 600 events. 253/600 cut-off events. For 180/180 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 3300 event pairs, 61 based on Foata normal form. 0/597 useless extension candidates. Maximal degree in co-relation 573. Up to 156 conditions per place. [2021-03-26 11:03:57,234 INFO L132 encePairwiseOnDemand]: 304/314 looper letters, 69 selfloop transitions, 23 changer transitions 0/96 dead transitions. [2021-03-26 11:03:57,234 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 96 transitions, 462 flow [2021-03-26 11:03:57,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 11:03:57,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 11:03:57,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1543 transitions. [2021-03-26 11:03:57,264 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4914012738853503 [2021-03-26 11:03:57,264 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1543 transitions. [2021-03-26 11:03:57,264 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1543 transitions. [2021-03-26 11:03:57,265 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:03:57,265 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1543 transitions. [2021-03-26 11:03:57,268 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 154.3) internal successors, (1543), 10 states have internal predecessors, (1543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:57,271 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 314.0) internal successors, (3454), 11 states have internal predecessors, (3454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:57,272 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 314.0) internal successors, (3454), 11 states have internal predecessors, (3454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:57,272 INFO L185 Difference]: Start difference. First operand has 29 places, 25 transitions, 76 flow. Second operand 10 states and 1543 transitions. [2021-03-26 11:03:57,272 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 96 transitions, 462 flow [2021-03-26 11:03:57,273 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 96 transitions, 461 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 11:03:57,274 INFO L241 Difference]: Finished difference. Result has 42 places, 44 transitions, 215 flow [2021-03-26 11:03:57,274 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=314, PETRI_DIFFERENCE_MINUEND_FLOW=75, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=215, PETRI_PLACES=42, PETRI_TRANSITIONS=44} [2021-03-26 11:03:57,274 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -22 predicate places. [2021-03-26 11:03:57,274 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:03:57,274 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 44 transitions, 215 flow [2021-03-26 11:03:57,275 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 44 transitions, 215 flow [2021-03-26 11:03:57,275 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 44 transitions, 215 flow [2021-03-26 11:03:57,285 INFO L129 PetriNetUnfolder]: 32/190 cut-off events. [2021-03-26 11:03:57,285 INFO L130 PetriNetUnfolder]: For 130/137 co-relation queries the response was YES. [2021-03-26 11:03:57,285 INFO L84 FinitePrefix]: Finished finitePrefix Result has 391 conditions, 190 events. 32/190 cut-off events. For 130/137 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1129 event pairs, 13 based on Foata normal form. 0/177 useless extension candidates. Maximal degree in co-relation 175. Up to 53 conditions per place. [2021-03-26 11:03:57,286 INFO L142 LiptonReduction]: Number of co-enabled transitions 214 [2021-03-26 11:03:57,296 INFO L154 LiptonReduction]: Checked pairs total: 58 [2021-03-26 11:03:57,297 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 11:03:57,297 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 23 [2021-03-26 11:03:57,298 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 44 transitions, 215 flow [2021-03-26 11:03:57,299 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 147.0) internal successors, (1323), 9 states have internal predecessors, (1323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:57,299 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:03:57,299 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 11:03:57,299 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 11:03:57,299 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 11:03:57,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:03:57,299 INFO L82 PathProgramCache]: Analyzing trace with hash 494028282, now seen corresponding path program 1 times [2021-03-26 11:03:57,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:03:57,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269922358] [2021-03-26 11:03:57,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:03:57,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:03:57,475 INFO L142 QuantifierPusher]: treesize reduction 11, result has 75.6 percent of original size [2021-03-26 11:03:57,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 11:03:57,486 INFO L142 QuantifierPusher]: treesize reduction 11, result has 70.3 percent of original size [2021-03-26 11:03:57,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 11:03:57,497 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-03-26 11:03:57,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 11:03:57,516 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.0 percent of original size [2021-03-26 11:03:57,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 11:03:57,522 INFO L142 QuantifierPusher]: treesize reduction 20, result has 58.3 percent of original size [2021-03-26 11:03:57,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 11:03:57,537 INFO L142 QuantifierPusher]: treesize reduction 20, result has 68.3 percent of original size [2021-03-26 11:03:57,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 11:03:57,558 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 11:03:57,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 11:03:57,579 INFO L142 QuantifierPusher]: treesize reduction 25, result has 60.9 percent of original size [2021-03-26 11:03:57,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 11:03:57,610 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-03-26 11:03:57,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 11:03:57,612 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-03-26 11:03:57,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 11:03:57,635 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-03-26 11:03:57,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 11:03:57,647 INFO L142 QuantifierPusher]: treesize reduction 41, result has 40.6 percent of original size [2021-03-26 11:03:57,648 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size 25 [2021-03-26 11:03:57,677 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-26 11:03:57,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 11:03:57,695 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-26 11:03:57,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:03:57,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:03:57,712 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269922358] [2021-03-26 11:03:57,712 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:03:57,712 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-26 11:03:57,712 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493204193] [2021-03-26 11:03:57,713 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-26 11:03:57,713 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:03:57,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-26 11:03:57,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2021-03-26 11:03:57,714 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 314 [2021-03-26 11:03:57,716 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 44 transitions, 215 flow. Second operand has 13 states, 13 states have (on average 144.3846153846154) internal successors, (1877), 13 states have internal predecessors, (1877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:57,716 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:03:57,716 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 314 [2021-03-26 11:03:57,716 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:03:58,497 INFO L129 PetriNetUnfolder]: 360/876 cut-off events. [2021-03-26 11:03:58,497 INFO L130 PetriNetUnfolder]: For 893/893 co-relation queries the response was YES. [2021-03-26 11:03:58,498 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2445 conditions, 876 events. 360/876 cut-off events. For 893/893 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 5530 event pairs, 75 based on Foata normal form. 1/865 useless extension candidates. Maximal degree in co-relation 956. Up to 484 conditions per place. [2021-03-26 11:03:58,501 INFO L132 encePairwiseOnDemand]: 302/314 looper letters, 77 selfloop transitions, 29 changer transitions 14/124 dead transitions. [2021-03-26 11:03:58,501 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 124 transitions, 814 flow [2021-03-26 11:03:58,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 11:03:58,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 11:03:58,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1653 transitions. [2021-03-26 11:03:58,504 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4785755645628257 [2021-03-26 11:03:58,504 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1653 transitions. [2021-03-26 11:03:58,504 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1653 transitions. [2021-03-26 11:03:58,505 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:03:58,505 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1653 transitions. [2021-03-26 11:03:58,507 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 150.27272727272728) internal successors, (1653), 11 states have internal predecessors, (1653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:58,510 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 314.0) internal successors, (3768), 12 states have internal predecessors, (3768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:58,511 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 314.0) internal successors, (3768), 12 states have internal predecessors, (3768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:58,511 INFO L185 Difference]: Start difference. First operand has 42 places, 44 transitions, 215 flow. Second operand 11 states and 1653 transitions. [2021-03-26 11:03:58,511 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 124 transitions, 814 flow [2021-03-26 11:03:58,513 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 124 transitions, 803 flow, removed 5 selfloop flow, removed 1 redundant places. [2021-03-26 11:03:58,514 INFO L241 Difference]: Finished difference. Result has 60 places, 71 transitions, 511 flow [2021-03-26 11:03:58,514 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=314, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=511, PETRI_PLACES=60, PETRI_TRANSITIONS=71} [2021-03-26 11:03:58,515 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -4 predicate places. [2021-03-26 11:03:58,515 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:03:58,515 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 71 transitions, 511 flow [2021-03-26 11:03:58,515 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 71 transitions, 511 flow [2021-03-26 11:03:58,515 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 71 transitions, 511 flow [2021-03-26 11:03:58,538 INFO L129 PetriNetUnfolder]: 73/352 cut-off events. [2021-03-26 11:03:58,538 INFO L130 PetriNetUnfolder]: For 641/649 co-relation queries the response was YES. [2021-03-26 11:03:58,539 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1028 conditions, 352 events. 73/352 cut-off events. For 641/649 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 2416 event pairs, 17 based on Foata normal form. 2/333 useless extension candidates. Maximal degree in co-relation 1006. Up to 103 conditions per place. [2021-03-26 11:03:58,541 INFO L142 LiptonReduction]: Number of co-enabled transitions 252 [2021-03-26 11:03:58,618 INFO L154 LiptonReduction]: Checked pairs total: 528 [2021-03-26 11:03:58,619 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 11:03:58,619 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 104 [2021-03-26 11:03:58,619 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 71 transitions, 513 flow [2021-03-26 11:03:58,620 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 144.3846153846154) internal successors, (1877), 13 states have internal predecessors, (1877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:58,620 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:03:58,620 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 11:03:58,620 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 11:03:58,620 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 11:03:58,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:03:58,620 INFO L82 PathProgramCache]: Analyzing trace with hash 1667901421, now seen corresponding path program 1 times [2021-03-26 11:03:58,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:03:58,620 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604554814] [2021-03-26 11:03:58,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:03:58,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:03:58,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:03:58,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 11:03:58,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:03:58,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 11:03:58,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:03:58,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 11:03:58,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:03:58,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 11:03:58,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:03:58,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:03:58,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:03:58,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 11:03:58,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:03:58,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 11:03:58,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:03:58,720 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604554814] [2021-03-26 11:03:58,720 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:03:58,720 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 11:03:58,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683502278] [2021-03-26 11:03:58,721 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 11:03:58,721 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:03:58,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 11:03:58,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-26 11:03:58,722 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 315 [2021-03-26 11:03:58,723 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 71 transitions, 513 flow. Second operand has 6 states, 6 states have (on average 160.0) internal successors, (960), 6 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:58,723 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:03:58,723 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 315 [2021-03-26 11:03:58,723 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:03:59,021 INFO L129 PetriNetUnfolder]: 419/1025 cut-off events. [2021-03-26 11:03:59,021 INFO L130 PetriNetUnfolder]: For 3153/3155 co-relation queries the response was YES. [2021-03-26 11:03:59,024 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3990 conditions, 1025 events. 419/1025 cut-off events. For 3153/3155 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 6736 event pairs, 196 based on Foata normal form. 39/1055 useless extension candidates. Maximal degree in co-relation 3966. Up to 596 conditions per place. [2021-03-26 11:03:59,028 INFO L132 encePairwiseOnDemand]: 307/315 looper letters, 98 selfloop transitions, 32 changer transitions 0/132 dead transitions. [2021-03-26 11:03:59,028 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 132 transitions, 1294 flow [2021-03-26 11:03:59,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 11:03:59,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 11:03:59,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1319 transitions. [2021-03-26 11:03:59,031 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5234126984126984 [2021-03-26 11:03:59,031 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1319 transitions. [2021-03-26 11:03:59,031 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1319 transitions. [2021-03-26 11:03:59,032 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:03:59,032 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1319 transitions. [2021-03-26 11:03:59,033 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 164.875) internal successors, (1319), 8 states have internal predecessors, (1319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:59,036 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 315.0) internal successors, (2835), 9 states have internal predecessors, (2835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:59,037 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 315.0) internal successors, (2835), 9 states have internal predecessors, (2835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:59,037 INFO L185 Difference]: Start difference. First operand has 57 places, 71 transitions, 513 flow. Second operand 8 states and 1319 transitions. [2021-03-26 11:03:59,037 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 132 transitions, 1294 flow [2021-03-26 11:03:59,046 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 132 transitions, 1232 flow, removed 31 selfloop flow, removed 3 redundant places. [2021-03-26 11:03:59,048 INFO L241 Difference]: Finished difference. Result has 67 places, 94 transitions, 851 flow [2021-03-26 11:03:59,049 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=315, PETRI_DIFFERENCE_MINUEND_FLOW=466, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=851, PETRI_PLACES=67, PETRI_TRANSITIONS=94} [2021-03-26 11:03:59,049 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 3 predicate places. [2021-03-26 11:03:59,049 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:03:59,049 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 94 transitions, 851 flow [2021-03-26 11:03:59,049 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 94 transitions, 851 flow [2021-03-26 11:03:59,050 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 94 transitions, 851 flow [2021-03-26 11:03:59,095 INFO L129 PetriNetUnfolder]: 114/489 cut-off events. [2021-03-26 11:03:59,095 INFO L130 PetriNetUnfolder]: For 1651/1676 co-relation queries the response was YES. [2021-03-26 11:03:59,097 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1706 conditions, 489 events. 114/489 cut-off events. For 1651/1676 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 3691 event pairs, 12 based on Foata normal form. 7/479 useless extension candidates. Maximal degree in co-relation 1283. Up to 151 conditions per place. [2021-03-26 11:03:59,099 INFO L142 LiptonReduction]: Number of co-enabled transitions 272 [2021-03-26 11:03:59,132 INFO L154 LiptonReduction]: Checked pairs total: 428 [2021-03-26 11:03:59,132 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 11:03:59,132 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 83 [2021-03-26 11:03:59,133 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 94 transitions, 851 flow [2021-03-26 11:03:59,133 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 160.0) internal successors, (960), 6 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:59,133 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:03:59,133 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 11:03:59,133 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 11:03:59,133 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 11:03:59,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:03:59,134 INFO L82 PathProgramCache]: Analyzing trace with hash 950453649, now seen corresponding path program 1 times [2021-03-26 11:03:59,134 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:03:59,134 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584583461] [2021-03-26 11:03:59,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:03:59,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:03:59,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:03:59,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:03:59,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:03:59,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 11:03:59,218 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-26 11:03:59,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 11:03:59,219 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-26 11:03:59,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 11:03:59,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:03:59,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 11:03:59,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:03:59,221 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584583461] [2021-03-26 11:03:59,221 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:03:59,221 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 11:03:59,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111260666] [2021-03-26 11:03:59,221 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 11:03:59,221 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:03:59,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 11:03:59,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 11:03:59,222 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 315 [2021-03-26 11:03:59,223 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 94 transitions, 851 flow. Second operand has 4 states, 4 states have (on average 245.0) internal successors, (980), 4 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:59,223 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:03:59,223 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 315 [2021-03-26 11:03:59,223 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:03:59,295 INFO L129 PetriNetUnfolder]: 122/519 cut-off events. [2021-03-26 11:03:59,295 INFO L130 PetriNetUnfolder]: For 1724/1735 co-relation queries the response was YES. [2021-03-26 11:03:59,296 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1884 conditions, 519 events. 122/519 cut-off events. For 1724/1735 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 3820 event pairs, 14 based on Foata normal form. 22/525 useless extension candidates. Maximal degree in co-relation 1557. Up to 142 conditions per place. [2021-03-26 11:03:59,298 INFO L132 encePairwiseOnDemand]: 310/315 looper letters, 23 selfloop transitions, 10 changer transitions 0/84 dead transitions. [2021-03-26 11:03:59,298 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 84 transitions, 771 flow [2021-03-26 11:03:59,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 11:03:59,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 11:03:59,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 988 transitions. [2021-03-26 11:03:59,300 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7841269841269841 [2021-03-26 11:03:59,300 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 988 transitions. [2021-03-26 11:03:59,300 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 988 transitions. [2021-03-26 11:03:59,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:03:59,301 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 988 transitions. [2021-03-26 11:03:59,302 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:59,304 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 315.0) internal successors, (1575), 5 states have internal predecessors, (1575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:59,304 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 315.0) internal successors, (1575), 5 states have internal predecessors, (1575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:59,304 INFO L185 Difference]: Start difference. First operand has 67 places, 94 transitions, 851 flow. Second operand 4 states and 988 transitions. [2021-03-26 11:03:59,304 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 84 transitions, 771 flow [2021-03-26 11:03:59,309 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 84 transitions, 707 flow, removed 27 selfloop flow, removed 2 redundant places. [2021-03-26 11:03:59,310 INFO L241 Difference]: Finished difference. Result has 69 places, 79 transitions, 639 flow [2021-03-26 11:03:59,310 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=315, PETRI_DIFFERENCE_MINUEND_FLOW=596, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=639, PETRI_PLACES=69, PETRI_TRANSITIONS=79} [2021-03-26 11:03:59,310 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 5 predicate places. [2021-03-26 11:03:59,310 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:03:59,311 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 79 transitions, 639 flow [2021-03-26 11:03:59,311 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 79 transitions, 639 flow [2021-03-26 11:03:59,311 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 79 transitions, 639 flow [2021-03-26 11:03:59,337 INFO L129 PetriNetUnfolder]: 102/455 cut-off events. [2021-03-26 11:03:59,337 INFO L130 PetriNetUnfolder]: For 1173/1181 co-relation queries the response was YES. [2021-03-26 11:03:59,338 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1550 conditions, 455 events. 102/455 cut-off events. For 1173/1181 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 3390 event pairs, 12 based on Foata normal form. 4/447 useless extension candidates. Maximal degree in co-relation 976. Up to 115 conditions per place. [2021-03-26 11:03:59,340 INFO L142 LiptonReduction]: Number of co-enabled transitions 222 [2021-03-26 11:03:59,638 INFO L154 LiptonReduction]: Checked pairs total: 367 [2021-03-26 11:03:59,639 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 11:03:59,639 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 329 [2021-03-26 11:03:59,639 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 79 transitions, 662 flow [2021-03-26 11:03:59,640 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 245.0) internal successors, (980), 4 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:59,640 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:03:59,640 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 11:03:59,640 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 11:03:59,640 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 11:03:59,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:03:59,641 INFO L82 PathProgramCache]: Analyzing trace with hash -278424367, now seen corresponding path program 2 times [2021-03-26 11:03:59,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:03:59,641 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460510634] [2021-03-26 11:03:59,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:03:59,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:03:59,733 INFO L142 QuantifierPusher]: treesize reduction 12, result has 83.6 percent of original size [2021-03-26 11:03:59,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 11:03:59,757 INFO L142 QuantifierPusher]: treesize reduction 28, result has 60.0 percent of original size [2021-03-26 11:03:59,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 11:03:59,774 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-03-26 11:03:59,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 11:03:59,792 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.0 percent of original size [2021-03-26 11:03:59,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 11:03:59,798 INFO L142 QuantifierPusher]: treesize reduction 20, result has 68.3 percent of original size [2021-03-26 11:03:59,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 11:03:59,817 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 11:03:59,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 11:03:59,832 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-03-26 11:03:59,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 11:03:59,849 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.2 percent of original size [2021-03-26 11:03:59,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 11:03:59,858 INFO L142 QuantifierPusher]: treesize reduction 41, result has 41.4 percent of original size [2021-03-26 11:03:59,858 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.7 percent of original size 26 [2021-03-26 11:03:59,883 INFO L142 QuantifierPusher]: treesize reduction 14, result has 63.2 percent of original size [2021-03-26 11:03:59,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 11:03:59,899 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-26 11:03:59,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 11:03:59,915 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-26 11:03:59,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 11:03:59,916 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-26 11:03:59,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:03:59,956 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 11:03:59,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460510634] [2021-03-26 11:03:59,957 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:03:59,957 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 11:03:59,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807371201] [2021-03-26 11:03:59,957 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 11:03:59,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:03:59,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 11:03:59,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2021-03-26 11:03:59,959 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 318 [2021-03-26 11:03:59,960 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 79 transitions, 662 flow. Second operand has 12 states, 12 states have (on average 145.41666666666666) internal successors, (1745), 12 states have internal predecessors, (1745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:59,960 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:03:59,960 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 318 [2021-03-26 11:03:59,960 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:04:00,556 INFO L129 PetriNetUnfolder]: 393/995 cut-off events. [2021-03-26 11:04:00,556 INFO L130 PetriNetUnfolder]: For 3420/3428 co-relation queries the response was YES. [2021-03-26 11:04:00,559 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4205 conditions, 995 events. 393/995 cut-off events. For 3420/3428 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 6699 event pairs, 157 based on Foata normal form. 0/979 useless extension candidates. Maximal degree in co-relation 2741. Up to 699 conditions per place. [2021-03-26 11:04:00,562 INFO L132 encePairwiseOnDemand]: 304/318 looper letters, 85 selfloop transitions, 54 changer transitions 0/143 dead transitions. [2021-03-26 11:04:00,562 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 143 transitions, 1405 flow [2021-03-26 11:04:00,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 11:04:00,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 11:04:00,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1507 transitions. [2021-03-26 11:04:00,566 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4738993710691824 [2021-03-26 11:04:00,566 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1507 transitions. [2021-03-26 11:04:00,566 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1507 transitions. [2021-03-26 11:04:00,566 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:04:00,566 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1507 transitions. [2021-03-26 11:04:00,568 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 150.7) internal successors, (1507), 10 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 11:04:00,571 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 318.0) internal successors, (3498), 11 states have internal predecessors, (3498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:00,572 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 318.0) internal successors, (3498), 11 states have internal predecessors, (3498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:00,572 INFO L185 Difference]: Start difference. First operand has 69 places, 79 transitions, 662 flow. Second operand 10 states and 1507 transitions. [2021-03-26 11:04:00,572 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 143 transitions, 1405 flow [2021-03-26 11:04:00,578 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 143 transitions, 1385 flow, removed 3 selfloop flow, removed 2 redundant places. [2021-03-26 11:04:00,581 INFO L241 Difference]: Finished difference. Result has 82 places, 117 transitions, 1128 flow [2021-03-26 11:04:00,582 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=318, PETRI_DIFFERENCE_MINUEND_FLOW=644, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1128, PETRI_PLACES=82, PETRI_TRANSITIONS=117} [2021-03-26 11:04:00,582 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 18 predicate places. [2021-03-26 11:04:00,582 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:04:00,582 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 117 transitions, 1128 flow [2021-03-26 11:04:00,582 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 117 transitions, 1128 flow [2021-03-26 11:04:00,583 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 82 places, 117 transitions, 1128 flow [2021-03-26 11:04:00,616 INFO L129 PetriNetUnfolder]: 125/544 cut-off events. [2021-03-26 11:04:00,617 INFO L130 PetriNetUnfolder]: For 1958/1971 co-relation queries the response was YES. [2021-03-26 11:04:00,618 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2146 conditions, 544 events. 125/544 cut-off events. For 1958/1971 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 4172 event pairs, 12 based on Foata normal form. 2/538 useless extension candidates. Maximal degree in co-relation 2086. Up to 155 conditions per place. [2021-03-26 11:04:00,621 INFO L142 LiptonReduction]: Number of co-enabled transitions 250 [2021-03-26 11:04:00,701 INFO L154 LiptonReduction]: Checked pairs total: 726 [2021-03-26 11:04:00,701 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 11:04:00,702 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 120 [2021-03-26 11:04:00,702 INFO L480 AbstractCegarLoop]: Abstraction has has 82 places, 117 transitions, 1130 flow [2021-03-26 11:04:00,702 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 145.41666666666666) internal successors, (1745), 12 states have internal predecessors, (1745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:00,703 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:04:00,703 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 11:04:00,703 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-26 11:04:00,703 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 11:04:00,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:04:00,703 INFO L82 PathProgramCache]: Analyzing trace with hash -210232948, now seen corresponding path program 1 times [2021-03-26 11:04:00,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:04:00,703 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334326674] [2021-03-26 11:04:00,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:04:00,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:04:00,815 INFO L142 QuantifierPusher]: treesize reduction 16, result has 68.0 percent of original size [2021-03-26 11:04:00,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 11:04:00,825 INFO L142 QuantifierPusher]: treesize reduction 16, result has 61.9 percent of original size [2021-03-26 11:04:00,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 11:04:00,835 INFO L142 QuantifierPusher]: treesize reduction 25, result has 60.9 percent of original size [2021-03-26 11:04:00,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 11:04:00,851 INFO L142 QuantifierPusher]: treesize reduction 25, result has 57.6 percent of original size [2021-03-26 11:04:00,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 11:04:00,857 INFO L142 QuantifierPusher]: treesize reduction 25, result has 56.9 percent of original size [2021-03-26 11:04:00,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 11:04:00,872 INFO L142 QuantifierPusher]: treesize reduction 25, result has 62.7 percent of original size [2021-03-26 11:04:00,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 11:04:00,891 INFO L142 QuantifierPusher]: treesize reduction 23, result has 59.6 percent of original size [2021-03-26 11:04:00,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 11:04:00,909 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-03-26 11:04:00,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 11:04:00,930 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-03-26 11:04:00,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 11:04:00,933 INFO L142 QuantifierPusher]: treesize reduction 43, result has 39.4 percent of original size [2021-03-26 11:04:00,933 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size 25 [2021-03-26 11:04:00,960 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-03-26 11:04:00,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 11:04:00,979 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-26 11:04:00,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:04:00,994 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 11:04:00,994 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334326674] [2021-03-26 11:04:00,994 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:04:00,994 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 11:04:00,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740666568] [2021-03-26 11:04:00,994 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 11:04:00,994 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:04:00,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 11:04:00,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2021-03-26 11:04:00,997 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 320 [2021-03-26 11:04:00,998 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 117 transitions, 1130 flow. Second operand has 12 states, 12 states have (on average 145.33333333333334) internal successors, (1744), 12 states have internal predecessors, (1744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:00,998 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:04:00,998 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 320 [2021-03-26 11:04:00,998 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:04:01,643 INFO L129 PetriNetUnfolder]: 393/1000 cut-off events. [2021-03-26 11:04:01,644 INFO L130 PetriNetUnfolder]: For 4567/4575 co-relation queries the response was YES. [2021-03-26 11:04:01,646 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4657 conditions, 1000 events. 393/1000 cut-off events. For 4567/4575 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 6762 event pairs, 175 based on Foata normal form. 2/988 useless extension candidates. Maximal degree in co-relation 4564. Up to 777 conditions per place. [2021-03-26 11:04:01,650 INFO L132 encePairwiseOnDemand]: 307/320 looper letters, 102 selfloop transitions, 24 changer transitions 25/155 dead transitions. [2021-03-26 11:04:01,650 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 155 transitions, 1766 flow [2021-03-26 11:04:01,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 11:04:01,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 11:04:01,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1361 transitions. [2021-03-26 11:04:01,653 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.47256944444444443 [2021-03-26 11:04:01,653 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1361 transitions. [2021-03-26 11:04:01,653 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1361 transitions. [2021-03-26 11:04:01,653 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:04:01,654 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1361 transitions. [2021-03-26 11:04:01,665 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 151.22222222222223) internal successors, (1361), 9 states have internal predecessors, (1361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:01,668 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 320.0) internal successors, (3200), 10 states have internal predecessors, (3200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:01,668 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 320.0) internal successors, (3200), 10 states have internal predecessors, (3200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:01,669 INFO L185 Difference]: Start difference. First operand has 82 places, 117 transitions, 1130 flow. Second operand 9 states and 1361 transitions. [2021-03-26 11:04:01,669 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 155 transitions, 1766 flow [2021-03-26 11:04:01,677 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 155 transitions, 1718 flow, removed 24 selfloop flow, removed 0 redundant places. [2021-03-26 11:04:01,679 INFO L241 Difference]: Finished difference. Result has 94 places, 112 transitions, 1149 flow [2021-03-26 11:04:01,679 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=320, PETRI_DIFFERENCE_MINUEND_FLOW=1081, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1149, PETRI_PLACES=94, PETRI_TRANSITIONS=112} [2021-03-26 11:04:01,680 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 30 predicate places. [2021-03-26 11:04:01,680 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:04:01,680 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 94 places, 112 transitions, 1149 flow [2021-03-26 11:04:01,680 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 94 places, 112 transitions, 1149 flow [2021-03-26 11:04:01,680 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 91 places, 112 transitions, 1149 flow [2021-03-26 11:04:01,739 INFO L129 PetriNetUnfolder]: 111/495 cut-off events. [2021-03-26 11:04:01,739 INFO L130 PetriNetUnfolder]: For 2168/2173 co-relation queries the response was YES. [2021-03-26 11:04:01,741 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2078 conditions, 495 events. 111/495 cut-off events. For 2168/2173 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 3757 event pairs, 14 based on Foata normal form. 1/483 useless extension candidates. Maximal degree in co-relation 2019. Up to 129 conditions per place. [2021-03-26 11:04:01,743 INFO L142 LiptonReduction]: Number of co-enabled transitions 244 [2021-03-26 11:04:01,751 INFO L154 LiptonReduction]: Checked pairs total: 306 [2021-03-26 11:04:01,751 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 11:04:01,751 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 71 [2021-03-26 11:04:01,753 INFO L480 AbstractCegarLoop]: Abstraction has has 91 places, 112 transitions, 1149 flow [2021-03-26 11:04:01,753 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 145.33333333333334) internal successors, (1744), 12 states have internal predecessors, (1744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:01,753 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:04:01,753 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 11:04:01,754 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-26 11:04:01,754 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 11:04:01,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:04:01,754 INFO L82 PathProgramCache]: Analyzing trace with hash -1037224075, now seen corresponding path program 1 times [2021-03-26 11:04:01,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:04:01,754 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429083617] [2021-03-26 11:04:01,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:04:01,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:04:01,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:04:01,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:04:01,822 INFO L142 QuantifierPusher]: treesize reduction 17, result has 64.6 percent of original size [2021-03-26 11:04:01,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 11:04:01,843 INFO L142 QuantifierPusher]: treesize reduction 30, result has 57.7 percent of original size [2021-03-26 11:04:01,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 11:04:01,846 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-03-26 11:04:01,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 11:04:01,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:04:01,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 11:04:01,847 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 11:04:01,848 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429083617] [2021-03-26 11:04:01,848 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:04:01,848 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 11:04:01,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451879964] [2021-03-26 11:04:01,848 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 11:04:01,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:04:01,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 11:04:01,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 11:04:01,849 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 320 [2021-03-26 11:04:01,850 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 112 transitions, 1149 flow. Second operand has 4 states, 4 states have (on average 246.25) internal successors, (985), 4 states have internal predecessors, (985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:01,850 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:04:01,850 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 320 [2021-03-26 11:04:01,850 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:04:01,895 INFO L129 PetriNetUnfolder]: 27/188 cut-off events. [2021-03-26 11:04:01,896 INFO L130 PetriNetUnfolder]: For 1157/1161 co-relation queries the response was YES. [2021-03-26 11:04:01,896 INFO L84 FinitePrefix]: Finished finitePrefix Result has 840 conditions, 188 events. 27/188 cut-off events. For 1157/1161 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1046 event pairs, 2 based on Foata normal form. 15/202 useless extension candidates. Maximal degree in co-relation 780. Up to 37 conditions per place. [2021-03-26 11:04:01,897 INFO L132 encePairwiseOnDemand]: 314/320 looper letters, 23 selfloop transitions, 7 changer transitions 5/79 dead transitions. [2021-03-26 11:04:01,897 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 79 transitions, 810 flow [2021-03-26 11:04:01,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 11:04:01,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 11:04:01,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 990 transitions. [2021-03-26 11:04:01,899 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7734375 [2021-03-26 11:04:01,899 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 990 transitions. [2021-03-26 11:04:01,899 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 990 transitions. [2021-03-26 11:04:01,899 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:04:01,899 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 990 transitions. [2021-03-26 11:04:01,900 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 247.5) internal successors, (990), 4 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:01,902 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 320.0) internal successors, (1600), 5 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:01,902 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 320.0) internal successors, (1600), 5 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:01,902 INFO L185 Difference]: Start difference. First operand has 91 places, 112 transitions, 1149 flow. Second operand 4 states and 990 transitions. [2021-03-26 11:04:01,902 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 79 transitions, 810 flow [2021-03-26 11:04:01,906 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 79 transitions, 698 flow, removed 37 selfloop flow, removed 12 redundant places. [2021-03-26 11:04:01,907 INFO L241 Difference]: Finished difference. Result has 81 places, 74 transitions, 611 flow [2021-03-26 11:04:01,907 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=320, PETRI_DIFFERENCE_MINUEND_FLOW=636, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=611, PETRI_PLACES=81, PETRI_TRANSITIONS=74} [2021-03-26 11:04:01,907 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 17 predicate places. [2021-03-26 11:04:01,907 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:04:01,908 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 74 transitions, 611 flow [2021-03-26 11:04:01,908 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 74 transitions, 611 flow [2021-03-26 11:04:01,908 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 77 places, 74 transitions, 611 flow [2021-03-26 11:04:01,919 INFO L129 PetriNetUnfolder]: 26/171 cut-off events. [2021-03-26 11:04:01,919 INFO L130 PetriNetUnfolder]: For 463/465 co-relation queries the response was YES. [2021-03-26 11:04:01,919 INFO L84 FinitePrefix]: Finished finitePrefix Result has 605 conditions, 171 events. 26/171 cut-off events. For 463/465 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 919 event pairs, 1 based on Foata normal form. 2/171 useless extension candidates. Maximal degree in co-relation 555. Up to 31 conditions per place. [2021-03-26 11:04:01,920 INFO L142 LiptonReduction]: Number of co-enabled transitions 108 [2021-03-26 11:04:02,583 INFO L154 LiptonReduction]: Checked pairs total: 368 [2021-03-26 11:04:02,584 INFO L156 LiptonReduction]: Total number of compositions: 10 [2021-03-26 11:04:02,584 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 677 [2021-03-26 11:04:02,584 INFO L480 AbstractCegarLoop]: Abstraction has has 75 places, 72 transitions, 627 flow [2021-03-26 11:04:02,584 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 246.25) internal successors, (985), 4 states have internal predecessors, (985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:02,584 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:04:02,585 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 11:04:02,585 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-26 11:04:02,585 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 11:04:02,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:04:02,585 INFO L82 PathProgramCache]: Analyzing trace with hash 1057301684, now seen corresponding path program 1 times [2021-03-26 11:04:02,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:04:02,585 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062988518] [2021-03-26 11:04:02,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:04:02,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:04:02,637 INFO L142 QuantifierPusher]: treesize reduction 13, result has 72.3 percent of original size [2021-03-26 11:04:02,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 11:04:02,647 INFO L142 QuantifierPusher]: treesize reduction 13, result has 66.7 percent of original size [2021-03-26 11:04:02,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 11:04:02,656 INFO L142 QuantifierPusher]: treesize reduction 13, result has 65.8 percent of original size [2021-03-26 11:04:02,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 11:04:02,667 INFO L142 QuantifierPusher]: treesize reduction 22, result has 63.3 percent of original size [2021-03-26 11:04:02,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 11:04:02,684 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.0 percent of original size [2021-03-26 11:04:02,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 11:04:02,691 INFO L142 QuantifierPusher]: treesize reduction 22, result has 65.6 percent of original size [2021-03-26 11:04:02,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 11:04:02,710 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.0 percent of original size [2021-03-26 11:04:02,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 11:04:02,756 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-03-26 11:04:02,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 11:04:02,774 INFO L142 QuantifierPusher]: treesize reduction 76, result has 36.1 percent of original size [2021-03-26 11:04:02,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 11:04:02,784 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-03-26 11:04:02,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 11:04:02,800 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-03-26 11:04:02,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 11:04:02,801 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-26 11:04:02,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:04:02,814 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 11:04:02,814 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062988518] [2021-03-26 11:04:02,814 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:04:02,815 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 11:04:02,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890755602] [2021-03-26 11:04:02,815 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 11:04:02,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:04:02,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 11:04:02,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-03-26 11:04:02,818 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 330 [2021-03-26 11:04:02,818 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 72 transitions, 627 flow. Second operand has 11 states, 11 states have (on average 146.45454545454547) internal successors, (1611), 11 states have internal predecessors, (1611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:02,818 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:04:02,818 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 330 [2021-03-26 11:04:02,818 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:04:03,234 INFO L129 PetriNetUnfolder]: 56/207 cut-off events. [2021-03-26 11:04:03,235 INFO L130 PetriNetUnfolder]: For 812/812 co-relation queries the response was YES. [2021-03-26 11:04:03,235 INFO L84 FinitePrefix]: Finished finitePrefix Result has 974 conditions, 207 events. 56/207 cut-off events. For 812/812 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1015 event pairs, 23 based on Foata normal form. 1/206 useless extension candidates. Maximal degree in co-relation 916. Up to 145 conditions per place. [2021-03-26 11:04:03,236 INFO L132 encePairwiseOnDemand]: 318/330 looper letters, 62 selfloop transitions, 15 changer transitions 5/86 dead transitions. [2021-03-26 11:04:03,236 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 86 transitions, 883 flow [2021-03-26 11:04:03,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 11:04:03,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 11:04:03,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1211 transitions. [2021-03-26 11:04:03,238 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45871212121212124 [2021-03-26 11:04:03,238 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1211 transitions. [2021-03-26 11:04:03,239 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1211 transitions. [2021-03-26 11:04:03,239 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:04:03,239 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1211 transitions. [2021-03-26 11:04:03,240 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 151.375) internal successors, (1211), 8 states have internal predecessors, (1211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:03,242 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 330.0) internal successors, (2970), 9 states have internal predecessors, (2970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:03,243 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 330.0) internal successors, (2970), 9 states have internal predecessors, (2970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:03,243 INFO L185 Difference]: Start difference. First operand has 75 places, 72 transitions, 627 flow. Second operand 8 states and 1211 transitions. [2021-03-26 11:04:03,243 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 86 transitions, 883 flow [2021-03-26 11:04:03,245 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 86 transitions, 832 flow, removed 8 selfloop flow, removed 5 redundant places. [2021-03-26 11:04:03,246 INFO L241 Difference]: Finished difference. Result has 81 places, 74 transitions, 660 flow [2021-03-26 11:04:03,247 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=583, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=660, PETRI_PLACES=81, PETRI_TRANSITIONS=74} [2021-03-26 11:04:03,247 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 17 predicate places. [2021-03-26 11:04:03,247 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:04:03,247 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 74 transitions, 660 flow [2021-03-26 11:04:03,247 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 74 transitions, 660 flow [2021-03-26 11:04:03,247 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 74 transitions, 660 flow [2021-03-26 11:04:03,257 INFO L129 PetriNetUnfolder]: 24/144 cut-off events. [2021-03-26 11:04:03,257 INFO L130 PetriNetUnfolder]: For 441/443 co-relation queries the response was YES. [2021-03-26 11:04:03,257 INFO L84 FinitePrefix]: Finished finitePrefix Result has 567 conditions, 144 events. 24/144 cut-off events. For 441/443 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 737 event pairs, 2 based on Foata normal form. 2/145 useless extension candidates. Maximal degree in co-relation 535. Up to 29 conditions per place. [2021-03-26 11:04:03,258 INFO L142 LiptonReduction]: Number of co-enabled transitions 66 [2021-03-26 11:04:03,718 INFO L154 LiptonReduction]: Checked pairs total: 387 [2021-03-26 11:04:03,718 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 11:04:03,718 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 471 [2021-03-26 11:04:03,718 INFO L480 AbstractCegarLoop]: Abstraction has has 77 places, 72 transitions, 650 flow [2021-03-26 11:04:03,719 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 146.45454545454547) internal successors, (1611), 11 states have internal predecessors, (1611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:03,719 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:04:03,719 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 11:04:03,719 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-26 11:04:03,719 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 11:04:03,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:04:03,719 INFO L82 PathProgramCache]: Analyzing trace with hash -2303885, now seen corresponding path program 1 times [2021-03-26 11:04:03,719 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:04:03,719 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42518956] [2021-03-26 11:04:03,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:04:03,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:04:03,763 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-26 11:04:03,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:04:03,770 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-03-26 11:04:03,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 11:04:03,781 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.8 percent of original size [2021-03-26 11:04:03,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 11:04:03,795 INFO L142 QuantifierPusher]: treesize reduction 12, result has 68.4 percent of original size [2021-03-26 11:04:03,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 11:04:03,807 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.8 percent of original size [2021-03-26 11:04:03,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 11:04:03,833 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-03-26 11:04:03,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 11:04:03,859 INFO L142 QuantifierPusher]: treesize reduction 16, result has 71.9 percent of original size [2021-03-26 11:04:03,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 11:04:03,885 INFO L142 QuantifierPusher]: treesize reduction 14, result has 77.4 percent of original size [2021-03-26 11:04:03,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-26 11:04:03,909 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-26 11:04:03,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:04:03,922 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 11:04:03,922 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42518956] [2021-03-26 11:04:03,923 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:04:03,923 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 11:04:03,923 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020904650] [2021-03-26 11:04:03,923 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 11:04:03,923 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:04:03,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 11:04:03,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-03-26 11:04:03,925 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 332 [2021-03-26 11:04:03,925 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 72 transitions, 650 flow. Second operand has 11 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 11:04:03,926 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:04:03,926 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 332 [2021-03-26 11:04:03,926 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:04:04,521 INFO L129 PetriNetUnfolder]: 55/208 cut-off events. [2021-03-26 11:04:04,522 INFO L130 PetriNetUnfolder]: For 820/822 co-relation queries the response was YES. [2021-03-26 11:04:04,522 INFO L84 FinitePrefix]: Finished finitePrefix Result has 968 conditions, 208 events. 55/208 cut-off events. For 820/822 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1070 event pairs, 8 based on Foata normal form. 4/212 useless extension candidates. Maximal degree in co-relation 929. Up to 81 conditions per place. [2021-03-26 11:04:04,523 INFO L132 encePairwiseOnDemand]: 320/332 looper letters, 52 selfloop transitions, 35 changer transitions 5/96 dead transitions. [2021-03-26 11:04:04,523 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 96 transitions, 1002 flow [2021-03-26 11:04:04,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 11:04:04,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 11:04:04,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1935 transitions. [2021-03-26 11:04:04,526 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4483317886932345 [2021-03-26 11:04:04,526 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1935 transitions. [2021-03-26 11:04:04,526 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1935 transitions. [2021-03-26 11:04:04,527 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:04:04,527 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1935 transitions. [2021-03-26 11:04:04,529 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 148.84615384615384) internal successors, (1935), 13 states have internal predecessors, (1935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:04,532 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 332.0) internal successors, (4648), 14 states have internal predecessors, (4648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:04,533 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 332.0) internal successors, (4648), 14 states have internal predecessors, (4648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:04,533 INFO L185 Difference]: Start difference. First operand has 77 places, 72 transitions, 650 flow. Second operand 13 states and 1935 transitions. [2021-03-26 11:04:04,533 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 96 transitions, 1002 flow [2021-03-26 11:04:04,536 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 96 transitions, 932 flow, removed 20 selfloop flow, removed 6 redundant places. [2021-03-26 11:04:04,537 INFO L241 Difference]: Finished difference. Result has 85 places, 71 transitions, 690 flow [2021-03-26 11:04:04,537 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=570, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=690, PETRI_PLACES=85, PETRI_TRANSITIONS=71} [2021-03-26 11:04:04,537 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 21 predicate places. [2021-03-26 11:04:04,537 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:04:04,537 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 71 transitions, 690 flow [2021-03-26 11:04:04,537 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 71 transitions, 690 flow [2021-03-26 11:04:04,538 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 71 transitions, 690 flow [2021-03-26 11:04:04,546 INFO L129 PetriNetUnfolder]: 21/131 cut-off events. [2021-03-26 11:04:04,546 INFO L130 PetriNetUnfolder]: For 466/466 co-relation queries the response was YES. [2021-03-26 11:04:04,547 INFO L84 FinitePrefix]: Finished finitePrefix Result has 547 conditions, 131 events. 21/131 cut-off events. For 466/466 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 666 event pairs, 1 based on Foata normal form. 0/131 useless extension candidates. Maximal degree in co-relation 515. Up to 28 conditions per place. [2021-03-26 11:04:04,547 INFO L142 LiptonReduction]: Number of co-enabled transitions 68 [2021-03-26 11:04:06,935 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-03-26 11:04:07,019 INFO L154 LiptonReduction]: Checked pairs total: 293 [2021-03-26 11:04:07,019 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 11:04:07,019 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2482 [2021-03-26 11:04:07,020 INFO L480 AbstractCegarLoop]: Abstraction has has 82 places, 70 transitions, 694 flow [2021-03-26 11:04:07,020 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 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 11:04:07,020 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:04:07,020 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:04:07,020 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-26 11:04:07,020 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 11:04:07,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:04:07,021 INFO L82 PathProgramCache]: Analyzing trace with hash -1111039552, now seen corresponding path program 1 times [2021-03-26 11:04:07,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:04:07,021 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873905088] [2021-03-26 11:04:07,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:04:07,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:04:07,070 INFO L142 QuantifierPusher]: treesize reduction 13, result has 72.3 percent of original size [2021-03-26 11:04:07,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 11:04:07,079 INFO L142 QuantifierPusher]: treesize reduction 13, result has 66.7 percent of original size [2021-03-26 11:04:07,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 11:04:07,089 INFO L142 QuantifierPusher]: treesize reduction 13, result has 65.8 percent of original size [2021-03-26 11:04:07,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 11:04:07,102 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.0 percent of original size [2021-03-26 11:04:07,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 11:04:07,117 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-03-26 11:04:07,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 11:04:07,134 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-03-26 11:04:07,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 11:04:07,143 INFO L142 QuantifierPusher]: treesize reduction 43, result has 39.4 percent of original size [2021-03-26 11:04:07,143 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size 25 [2021-03-26 11:04:07,170 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-26 11:04:07,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:04:07,183 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 11:04:07,183 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873905088] [2021-03-26 11:04:07,184 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:04:07,184 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 11:04:07,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749474972] [2021-03-26 11:04:07,184 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 11:04:07,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:04:07,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 11:04:07,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 11:04:07,185 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 334 [2021-03-26 11:04:07,186 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 70 transitions, 694 flow. Second operand has 9 states, 9 states have (on average 153.33333333333334) internal successors, (1380), 9 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:07,186 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:04:07,186 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 334 [2021-03-26 11:04:07,186 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:04:07,578 INFO L129 PetriNetUnfolder]: 50/187 cut-off events. [2021-03-26 11:04:07,578 INFO L130 PetriNetUnfolder]: For 922/924 co-relation queries the response was YES. [2021-03-26 11:04:07,579 INFO L84 FinitePrefix]: Finished finitePrefix Result has 906 conditions, 187 events. 50/187 cut-off events. For 922/924 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 901 event pairs, 20 based on Foata normal form. 5/191 useless extension candidates. Maximal degree in co-relation 872. Up to 117 conditions per place. [2021-03-26 11:04:07,579 INFO L132 encePairwiseOnDemand]: 322/334 looper letters, 47 selfloop transitions, 12 changer transitions 17/81 dead transitions. [2021-03-26 11:04:07,579 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 81 transitions, 906 flow [2021-03-26 11:04:07,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 11:04:07,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 11:04:07,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1265 transitions. [2021-03-26 11:04:07,582 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.47342814371257486 [2021-03-26 11:04:07,582 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1265 transitions. [2021-03-26 11:04:07,582 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1265 transitions. [2021-03-26 11:04:07,582 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:04:07,582 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1265 transitions. [2021-03-26 11:04:07,584 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 158.125) internal successors, (1265), 8 states have internal predecessors, (1265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:07,586 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 334.0) internal successors, (3006), 9 states have internal predecessors, (3006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:07,586 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 334.0) internal successors, (3006), 9 states have internal predecessors, (3006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:07,586 INFO L185 Difference]: Start difference. First operand has 82 places, 70 transitions, 694 flow. Second operand 8 states and 1265 transitions. [2021-03-26 11:04:07,586 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 81 transitions, 906 flow [2021-03-26 11:04:07,589 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 81 transitions, 833 flow, removed 22 selfloop flow, removed 7 redundant places. [2021-03-26 11:04:07,590 INFO L241 Difference]: Finished difference. Result has 85 places, 62 transitions, 579 flow [2021-03-26 11:04:07,590 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=334, PETRI_DIFFERENCE_MINUEND_FLOW=609, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=579, PETRI_PLACES=85, PETRI_TRANSITIONS=62} [2021-03-26 11:04:07,590 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 21 predicate places. [2021-03-26 11:04:07,590 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:04:07,590 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 62 transitions, 579 flow [2021-03-26 11:04:07,590 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 62 transitions, 579 flow [2021-03-26 11:04:07,590 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 62 transitions, 579 flow [2021-03-26 11:04:07,598 INFO L129 PetriNetUnfolder]: 17/106 cut-off events. [2021-03-26 11:04:07,598 INFO L130 PetriNetUnfolder]: For 307/309 co-relation queries the response was YES. [2021-03-26 11:04:07,598 INFO L84 FinitePrefix]: Finished finitePrefix Result has 438 conditions, 106 events. 17/106 cut-off events. For 307/309 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 467 event pairs, 0 based on Foata normal form. 0/105 useless extension candidates. Maximal degree in co-relation 408. Up to 24 conditions per place. [2021-03-26 11:04:07,598 INFO L142 LiptonReduction]: Number of co-enabled transitions 58 [2021-03-26 11:04:07,612 INFO L154 LiptonReduction]: Checked pairs total: 80 [2021-03-26 11:04:07,612 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 11:04:07,612 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 22 [2021-03-26 11:04:07,613 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 62 transitions, 579 flow [2021-03-26 11:04:07,613 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 153.33333333333334) internal successors, (1380), 9 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:07,613 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:04:07,613 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:04:07,613 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-26 11:04:07,613 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 11:04:07,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:04:07,613 INFO L82 PathProgramCache]: Analyzing trace with hash 1142120129, now seen corresponding path program 1 times [2021-03-26 11:04:07,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:04:07,613 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579283945] [2021-03-26 11:04:07,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:04:07,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:04:07,661 INFO L142 QuantifierPusher]: treesize reduction 13, result has 72.3 percent of original size [2021-03-26 11:04:07,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 11:04:07,671 INFO L142 QuantifierPusher]: treesize reduction 13, result has 66.7 percent of original size [2021-03-26 11:04:07,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 11:04:07,680 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 11:04:07,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 11:04:07,695 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-03-26 11:04:07,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 11:04:07,710 INFO L142 QuantifierPusher]: treesize reduction 22, result has 55.1 percent of original size [2021-03-26 11:04:07,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 11:04:07,727 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.0 percent of original size [2021-03-26 11:04:07,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 11:04:07,745 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-03-26 11:04:07,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 11:04:07,763 INFO L142 QuantifierPusher]: treesize reduction 46, result has 35.2 percent of original size [2021-03-26 11:04:07,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 11:04:07,789 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-26 11:04:07,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:04:07,804 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-26 11:04:07,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:04:07,804 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 11:04:07,804 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579283945] [2021-03-26 11:04:07,804 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:04:07,804 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 11:04:07,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221631672] [2021-03-26 11:04:07,805 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 11:04:07,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:04:07,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 11:04:07,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 11:04:07,806 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 334 [2021-03-26 11:04:07,807 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 62 transitions, 579 flow. Second operand has 11 states, 11 states have (on average 144.27272727272728) internal successors, (1587), 11 states have internal predecessors, (1587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:07,807 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:04:07,807 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 334 [2021-03-26 11:04:07,807 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:04:08,270 INFO L129 PetriNetUnfolder]: 48/175 cut-off events. [2021-03-26 11:04:08,270 INFO L130 PetriNetUnfolder]: For 578/578 co-relation queries the response was YES. [2021-03-26 11:04:08,271 INFO L84 FinitePrefix]: Finished finitePrefix Result has 805 conditions, 175 events. 48/175 cut-off events. For 578/578 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 818 event pairs, 20 based on Foata normal form. 1/174 useless extension candidates. Maximal degree in co-relation 773. Up to 115 conditions per place. [2021-03-26 11:04:08,272 INFO L132 encePairwiseOnDemand]: 321/334 looper letters, 46 selfloop transitions, 13 changer transitions 13/76 dead transitions. [2021-03-26 11:04:08,272 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 76 transitions, 810 flow [2021-03-26 11:04:08,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 11:04:08,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 11:04:08,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1477 transitions. [2021-03-26 11:04:08,274 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4422155688622755 [2021-03-26 11:04:08,274 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1477 transitions. [2021-03-26 11:04:08,274 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1477 transitions. [2021-03-26 11:04:08,274 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:04:08,274 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1477 transitions. [2021-03-26 11:04:08,276 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 147.7) internal successors, (1477), 10 states have internal predecessors, (1477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:08,278 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 334.0) internal successors, (3674), 11 states have internal predecessors, (3674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:08,278 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 334.0) internal successors, (3674), 11 states have internal predecessors, (3674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:08,278 INFO L185 Difference]: Start difference. First operand has 79 places, 62 transitions, 579 flow. Second operand 10 states and 1477 transitions. [2021-03-26 11:04:08,278 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 76 transitions, 810 flow [2021-03-26 11:04:08,281 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 76 transitions, 750 flow, removed 30 selfloop flow, removed 3 redundant places. [2021-03-26 11:04:08,282 INFO L241 Difference]: Finished difference. Result has 91 places, 63 transitions, 588 flow [2021-03-26 11:04:08,282 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=334, PETRI_DIFFERENCE_MINUEND_FLOW=537, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=588, PETRI_PLACES=91, PETRI_TRANSITIONS=63} [2021-03-26 11:04:08,282 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 27 predicate places. [2021-03-26 11:04:08,282 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:04:08,282 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 63 transitions, 588 flow [2021-03-26 11:04:08,282 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 63 transitions, 588 flow [2021-03-26 11:04:08,282 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 86 places, 63 transitions, 588 flow [2021-03-26 11:04:08,290 INFO L129 PetriNetUnfolder]: 17/108 cut-off events. [2021-03-26 11:04:08,290 INFO L130 PetriNetUnfolder]: For 316/316 co-relation queries the response was YES. [2021-03-26 11:04:08,290 INFO L84 FinitePrefix]: Finished finitePrefix Result has 456 conditions, 108 events. 17/108 cut-off events. For 316/316 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 477 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 422. Up to 24 conditions per place. [2021-03-26 11:04:08,291 INFO L142 LiptonReduction]: Number of co-enabled transitions 56 [2021-03-26 11:04:08,400 INFO L154 LiptonReduction]: Checked pairs total: 160 [2021-03-26 11:04:08,400 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 11:04:08,400 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 118 [2021-03-26 11:04:08,401 INFO L480 AbstractCegarLoop]: Abstraction has has 86 places, 63 transitions, 592 flow [2021-03-26 11:04:08,401 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 144.27272727272728) internal successors, (1587), 11 states have internal predecessors, (1587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:08,401 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:04:08,402 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:04:08,402 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-26 11:04:08,402 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 11:04:08,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:04:08,402 INFO L82 PathProgramCache]: Analyzing trace with hash -1308201913, now seen corresponding path program 1 times [2021-03-26 11:04:08,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:04:08,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752819668] [2021-03-26 11:04:08,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:04:08,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:04:08,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:04:08,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 11:04:08,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:04:08,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 11:04:08,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:04:08,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 11:04:08,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:04:08,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:04:08,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:04:08,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 11:04:08,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:04:08,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 11:04:08,490 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 11:04:08,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752819668] [2021-03-26 11:04:08,490 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:04:08,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 11:04:08,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185354391] [2021-03-26 11:04:08,490 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 11:04:08,490 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:04:08,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 11:04:08,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-26 11:04:08,492 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 335 [2021-03-26 11:04:08,493 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 63 transitions, 592 flow. Second operand has 6 states, 6 states have (on average 160.33333333333334) internal successors, (962), 6 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:08,493 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:04:08,493 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 335 [2021-03-26 11:04:08,493 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:04:08,682 INFO L129 PetriNetUnfolder]: 40/148 cut-off events. [2021-03-26 11:04:08,682 INFO L130 PetriNetUnfolder]: For 488/488 co-relation queries the response was YES. [2021-03-26 11:04:08,683 INFO L84 FinitePrefix]: Finished finitePrefix Result has 737 conditions, 148 events. 40/148 cut-off events. For 488/488 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 606 event pairs, 19 based on Foata normal form. 8/156 useless extension candidates. Maximal degree in co-relation 701. Up to 105 conditions per place. [2021-03-26 11:04:08,683 INFO L132 encePairwiseOnDemand]: 325/335 looper letters, 50 selfloop transitions, 20 changer transitions 0/72 dead transitions. [2021-03-26 11:04:08,683 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 72 transitions, 789 flow [2021-03-26 11:04:08,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 11:04:08,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 11:04:08,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1313 transitions. [2021-03-26 11:04:08,685 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4899253731343284 [2021-03-26 11:04:08,685 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1313 transitions. [2021-03-26 11:04:08,685 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1313 transitions. [2021-03-26 11:04:08,685 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:04:08,685 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1313 transitions. [2021-03-26 11:04:08,686 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 164.125) internal successors, (1313), 8 states have internal predecessors, (1313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:08,688 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 335.0) internal successors, (3015), 9 states have internal predecessors, (3015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:08,689 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 335.0) internal successors, (3015), 9 states have internal predecessors, (3015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:08,689 INFO L185 Difference]: Start difference. First operand has 86 places, 63 transitions, 592 flow. Second operand 8 states and 1313 transitions. [2021-03-26 11:04:08,689 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 72 transitions, 789 flow [2021-03-26 11:04:08,691 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 72 transitions, 745 flow, removed 15 selfloop flow, removed 6 redundant places. [2021-03-26 11:04:08,692 INFO L241 Difference]: Finished difference. Result has 90 places, 67 transitions, 655 flow [2021-03-26 11:04:08,692 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=335, PETRI_DIFFERENCE_MINUEND_FLOW=558, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=655, PETRI_PLACES=90, PETRI_TRANSITIONS=67} [2021-03-26 11:04:08,692 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 26 predicate places. [2021-03-26 11:04:08,692 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:04:08,692 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 67 transitions, 655 flow [2021-03-26 11:04:08,693 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 67 transitions, 655 flow [2021-03-26 11:04:08,693 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 67 transitions, 655 flow [2021-03-26 11:04:08,701 INFO L129 PetriNetUnfolder]: 18/111 cut-off events. [2021-03-26 11:04:08,701 INFO L130 PetriNetUnfolder]: For 394/394 co-relation queries the response was YES. [2021-03-26 11:04:08,701 INFO L84 FinitePrefix]: Finished finitePrefix Result has 486 conditions, 111 events. 18/111 cut-off events. For 394/394 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 492 event pairs, 2 based on Foata normal form. 0/110 useless extension candidates. Maximal degree in co-relation 416. Up to 24 conditions per place. [2021-03-26 11:04:08,702 INFO L142 LiptonReduction]: Number of co-enabled transitions 40 [2021-03-26 11:04:08,709 INFO L154 LiptonReduction]: Checked pairs total: 64 [2021-03-26 11:04:08,709 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 11:04:08,709 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 17 [2021-03-26 11:04:08,709 INFO L480 AbstractCegarLoop]: Abstraction has has 90 places, 67 transitions, 655 flow [2021-03-26 11:04:08,710 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 160.33333333333334) internal successors, (962), 6 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:08,710 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:04:08,710 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:04:08,710 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-26 11:04:08,710 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 11:04:08,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:04:08,710 INFO L82 PathProgramCache]: Analyzing trace with hash -2031212313, now seen corresponding path program 2 times [2021-03-26 11:04:08,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:04:08,710 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517779803] [2021-03-26 11:04:08,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:04:08,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:04:08,758 INFO L142 QuantifierPusher]: treesize reduction 13, result has 72.3 percent of original size [2021-03-26 11:04:08,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 11:04:08,768 INFO L142 QuantifierPusher]: treesize reduction 13, result has 66.7 percent of original size [2021-03-26 11:04:08,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 11:04:08,778 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 11:04:08,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 11:04:08,792 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.0 percent of original size [2021-03-26 11:04:08,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 11:04:08,808 INFO L142 QuantifierPusher]: treesize reduction 22, result has 55.1 percent of original size [2021-03-26 11:04:08,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 11:04:08,826 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.0 percent of original size [2021-03-26 11:04:08,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 11:04:08,843 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-03-26 11:04:08,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 11:04:08,861 INFO L142 QuantifierPusher]: treesize reduction 46, result has 35.2 percent of original size [2021-03-26 11:04:08,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 11:04:08,888 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-26 11:04:08,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:04:08,903 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-26 11:04:08,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:04:08,904 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 11:04:08,904 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517779803] [2021-03-26 11:04:08,904 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:04:08,904 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 11:04:08,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221986298] [2021-03-26 11:04:08,905 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 11:04:08,905 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:04:08,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 11:04:08,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 11:04:08,907 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 335 [2021-03-26 11:04:08,908 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 67 transitions, 655 flow. Second operand has 11 states, 11 states have (on average 144.27272727272728) internal successors, (1587), 11 states have internal predecessors, (1587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:08,908 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:04:08,908 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 335 [2021-03-26 11:04:08,908 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:04:09,347 INFO L129 PetriNetUnfolder]: 32/143 cut-off events. [2021-03-26 11:04:09,348 INFO L130 PetriNetUnfolder]: For 549/551 co-relation queries the response was YES. [2021-03-26 11:04:09,348 INFO L84 FinitePrefix]: Finished finitePrefix Result has 716 conditions, 143 events. 32/143 cut-off events. For 549/551 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 628 event pairs, 12 based on Foata normal form. 1/144 useless extension candidates. Maximal degree in co-relation 629. Up to 95 conditions per place. [2021-03-26 11:04:09,349 INFO L132 encePairwiseOnDemand]: 322/335 looper letters, 47 selfloop transitions, 9 changer transitions 13/73 dead transitions. [2021-03-26 11:04:09,349 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 73 transitions, 828 flow [2021-03-26 11:04:09,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 11:04:09,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 11:04:09,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1471 transitions. [2021-03-26 11:04:09,350 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4391044776119403 [2021-03-26 11:04:09,350 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1471 transitions. [2021-03-26 11:04:09,351 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1471 transitions. [2021-03-26 11:04:09,351 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:04:09,351 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1471 transitions. [2021-03-26 11:04:09,352 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 147.1) internal successors, (1471), 10 states have internal predecessors, (1471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:09,354 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 335.0) internal successors, (3685), 11 states have internal predecessors, (3685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:09,354 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 335.0) internal successors, (3685), 11 states have internal predecessors, (3685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:09,354 INFO L185 Difference]: Start difference. First operand has 90 places, 67 transitions, 655 flow. Second operand 10 states and 1471 transitions. [2021-03-26 11:04:09,354 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 73 transitions, 828 flow [2021-03-26 11:04:09,357 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 73 transitions, 764 flow, removed 14 selfloop flow, removed 6 redundant places. [2021-03-26 11:04:09,358 INFO L241 Difference]: Finished difference. Result has 98 places, 60 transitions, 535 flow [2021-03-26 11:04:09,358 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=335, PETRI_DIFFERENCE_MINUEND_FLOW=594, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=535, PETRI_PLACES=98, PETRI_TRANSITIONS=60} [2021-03-26 11:04:09,358 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 34 predicate places. [2021-03-26 11:04:09,358 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:04:09,358 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 98 places, 60 transitions, 535 flow [2021-03-26 11:04:09,359 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 98 places, 60 transitions, 535 flow [2021-03-26 11:04:09,359 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 60 transitions, 535 flow [2021-03-26 11:04:09,366 INFO L129 PetriNetUnfolder]: 17/98 cut-off events. [2021-03-26 11:04:09,366 INFO L130 PetriNetUnfolder]: For 264/264 co-relation queries the response was YES. [2021-03-26 11:04:09,366 INFO L84 FinitePrefix]: Finished finitePrefix Result has 409 conditions, 98 events. 17/98 cut-off events. For 264/264 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 395 event pairs, 1 based on Foata normal form. 0/97 useless extension candidates. Maximal degree in co-relation 373. Up to 23 conditions per place. [2021-03-26 11:04:09,367 INFO L142 LiptonReduction]: Number of co-enabled transitions 40 [2021-03-26 11:04:09,493 INFO L154 LiptonReduction]: Checked pairs total: 104 [2021-03-26 11:04:09,494 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 11:04:09,494 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 136 [2021-03-26 11:04:09,494 INFO L480 AbstractCegarLoop]: Abstraction has has 89 places, 59 transitions, 531 flow [2021-03-26 11:04:09,494 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 144.27272727272728) internal successors, (1587), 11 states have internal predecessors, (1587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:09,495 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:04:09,495 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:04:09,495 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-26 11:04:09,495 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 11:04:09,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:04:09,495 INFO L82 PathProgramCache]: Analyzing trace with hash -1539280433, now seen corresponding path program 3 times [2021-03-26 11:04:09,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:04:09,495 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259124234] [2021-03-26 11:04:09,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:04:09,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:04:09,553 INFO L142 QuantifierPusher]: treesize reduction 13, result has 72.3 percent of original size [2021-03-26 11:04:09,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 11:04:09,563 INFO L142 QuantifierPusher]: treesize reduction 13, result has 66.7 percent of original size [2021-03-26 11:04:09,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 11:04:09,573 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 11:04:09,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 11:04:09,588 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-03-26 11:04:09,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 11:04:09,604 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.6 percent of original size [2021-03-26 11:04:09,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 11:04:09,620 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.0 percent of original size [2021-03-26 11:04:09,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 11:04:09,637 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-03-26 11:04:09,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 11:04:09,656 INFO L142 QuantifierPusher]: treesize reduction 46, result has 35.2 percent of original size [2021-03-26 11:04:09,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 11:04:09,682 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-26 11:04:09,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:04:09,697 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-26 11:04:09,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:04:09,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:04:09,698 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259124234] [2021-03-26 11:04:09,698 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:04:09,698 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 11:04:09,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4304835] [2021-03-26 11:04:09,698 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 11:04:09,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:04:09,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 11:04:09,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 11:04:09,699 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 336 [2021-03-26 11:04:09,700 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 59 transitions, 531 flow. Second operand has 11 states, 11 states have (on average 144.27272727272728) internal successors, (1587), 11 states have internal predecessors, (1587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:09,700 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:04:09,700 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 336 [2021-03-26 11:04:09,700 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:04:10,089 INFO L129 PetriNetUnfolder]: 30/121 cut-off events. [2021-03-26 11:04:10,089 INFO L130 PetriNetUnfolder]: For 415/417 co-relation queries the response was YES. [2021-03-26 11:04:10,089 INFO L84 FinitePrefix]: Finished finitePrefix Result has 602 conditions, 121 events. 30/121 cut-off events. For 415/417 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 469 event pairs, 8 based on Foata normal form. 1/122 useless extension candidates. Maximal degree in co-relation 569. Up to 68 conditions per place. [2021-03-26 11:04:10,090 INFO L132 encePairwiseOnDemand]: 325/336 looper letters, 44 selfloop transitions, 13 changer transitions 6/67 dead transitions. [2021-03-26 11:04:10,090 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 67 transitions, 702 flow [2021-03-26 11:04:10,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 11:04:10,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 11:04:10,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1327 transitions. [2021-03-26 11:04:10,092 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.43882275132275134 [2021-03-26 11:04:10,092 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1327 transitions. [2021-03-26 11:04:10,092 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1327 transitions. [2021-03-26 11:04:10,092 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:04:10,092 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1327 transitions. [2021-03-26 11:04:10,093 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 11:04:10,095 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 336.0) internal successors, (3360), 10 states have internal predecessors, (3360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:10,095 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 336.0) internal successors, (3360), 10 states have internal predecessors, (3360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:10,095 INFO L185 Difference]: Start difference. First operand has 89 places, 59 transitions, 531 flow. Second operand 9 states and 1327 transitions. [2021-03-26 11:04:10,095 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 67 transitions, 702 flow [2021-03-26 11:04:10,097 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 67 transitions, 618 flow, removed 15 selfloop flow, removed 14 redundant places. [2021-03-26 11:04:10,098 INFO L241 Difference]: Finished difference. Result has 85 places, 57 transitions, 470 flow [2021-03-26 11:04:10,098 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=443, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=470, PETRI_PLACES=85, PETRI_TRANSITIONS=57} [2021-03-26 11:04:10,098 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 21 predicate places. [2021-03-26 11:04:10,098 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:04:10,098 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 57 transitions, 470 flow [2021-03-26 11:04:10,098 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 57 transitions, 470 flow [2021-03-26 11:04:10,099 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 57 transitions, 470 flow [2021-03-26 11:04:10,105 INFO L129 PetriNetUnfolder]: 16/90 cut-off events. [2021-03-26 11:04:10,105 INFO L130 PetriNetUnfolder]: For 210/210 co-relation queries the response was YES. [2021-03-26 11:04:10,105 INFO L84 FinitePrefix]: Finished finitePrefix Result has 356 conditions, 90 events. 16/90 cut-off events. For 210/210 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 351 event pairs, 2 based on Foata normal form. 0/89 useless extension candidates. Maximal degree in co-relation 293. Up to 20 conditions per place. [2021-03-26 11:04:10,106 INFO L142 LiptonReduction]: Number of co-enabled transitions 38 [2021-03-26 11:04:10,221 INFO L154 LiptonReduction]: Checked pairs total: 116 [2021-03-26 11:04:10,221 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 11:04:10,222 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 124 [2021-03-26 11:04:10,222 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 57 transitions, 475 flow [2021-03-26 11:04:10,223 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 144.27272727272728) internal successors, (1587), 11 states have internal predecessors, (1587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:10,223 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:04:10,223 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 11:04:10,223 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-26 11:04:10,223 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 11:04:10,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:04:10,223 INFO L82 PathProgramCache]: Analyzing trace with hash 879421314, now seen corresponding path program 1 times [2021-03-26 11:04:10,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:04:10,223 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522057642] [2021-03-26 11:04:10,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:04:10,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:04:10,271 INFO L142 QuantifierPusher]: treesize reduction 13, result has 72.3 percent of original size [2021-03-26 11:04:10,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 11:04:10,281 INFO L142 QuantifierPusher]: treesize reduction 13, result has 66.7 percent of original size [2021-03-26 11:04:10,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 11:04:10,290 INFO L142 QuantifierPusher]: treesize reduction 22, result has 63.9 percent of original size [2021-03-26 11:04:10,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 11:04:10,306 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 11:04:10,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 11:04:10,312 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.6 percent of original size [2021-03-26 11:04:10,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 11:04:10,327 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.9 percent of original size [2021-03-26 11:04:10,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 11:04:10,344 INFO L142 QuantifierPusher]: treesize reduction 16, result has 67.3 percent of original size [2021-03-26 11:04:10,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 11:04:10,352 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-03-26 11:04:10,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 11:04:10,368 INFO L142 QuantifierPusher]: treesize reduction 43, result has 39.4 percent of original size [2021-03-26 11:04:10,368 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size 25 [2021-03-26 11:04:10,393 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-26 11:04:10,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:04:10,407 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 11:04:10,407 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522057642] [2021-03-26 11:04:10,407 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:04:10,407 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 11:04:10,407 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134871468] [2021-03-26 11:04:10,407 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 11:04:10,408 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:04:10,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 11:04:10,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-03-26 11:04:10,409 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 337 [2021-03-26 11:04:10,410 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 57 transitions, 475 flow. Second operand has 10 states, 10 states have (on average 145.5) internal successors, (1455), 10 states have internal predecessors, (1455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:10,410 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:04:10,410 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 337 [2021-03-26 11:04:10,410 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:04:10,834 INFO L129 PetriNetUnfolder]: 29/123 cut-off events. [2021-03-26 11:04:10,834 INFO L130 PetriNetUnfolder]: For 348/349 co-relation queries the response was YES. [2021-03-26 11:04:10,834 INFO L84 FinitePrefix]: Finished finitePrefix Result has 558 conditions, 123 events. 29/123 cut-off events. For 348/349 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 502 event pairs, 6 based on Foata normal form. 2/124 useless extension candidates. Maximal degree in co-relation 472. Up to 42 conditions per place. [2021-03-26 11:04:10,835 INFO L132 encePairwiseOnDemand]: 324/337 looper letters, 37 selfloop transitions, 10 changer transitions 17/68 dead transitions. [2021-03-26 11:04:10,835 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 68 transitions, 654 flow [2021-03-26 11:04:10,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 11:04:10,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 11:04:10,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1338 transitions. [2021-03-26 11:04:10,836 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4411473788328388 [2021-03-26 11:04:10,836 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1338 transitions. [2021-03-26 11:04:10,836 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1338 transitions. [2021-03-26 11:04:10,837 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:04:10,837 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1338 transitions. [2021-03-26 11:04:10,838 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 148.66666666666666) internal successors, (1338), 9 states have internal predecessors, (1338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:10,839 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 337.0) internal successors, (3370), 10 states have internal predecessors, (3370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:10,839 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 337.0) internal successors, (3370), 10 states have internal predecessors, (3370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:10,840 INFO L185 Difference]: Start difference. First operand has 79 places, 57 transitions, 475 flow. Second operand 9 states and 1338 transitions. [2021-03-26 11:04:10,840 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 68 transitions, 654 flow [2021-03-26 11:04:10,841 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 68 transitions, 616 flow, removed 2 selfloop flow, removed 6 redundant places. [2021-03-26 11:04:10,842 INFO L241 Difference]: Finished difference. Result has 83 places, 46 transitions, 383 flow [2021-03-26 11:04:10,842 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=337, PETRI_DIFFERENCE_MINUEND_FLOW=437, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=383, PETRI_PLACES=83, PETRI_TRANSITIONS=46} [2021-03-26 11:04:10,842 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 19 predicate places. [2021-03-26 11:04:10,842 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:04:10,842 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 46 transitions, 383 flow [2021-03-26 11:04:10,842 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 46 transitions, 383 flow [2021-03-26 11:04:10,843 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 80 places, 46 transitions, 383 flow [2021-03-26 11:04:10,848 INFO L129 PetriNetUnfolder]: 9/72 cut-off events. [2021-03-26 11:04:10,848 INFO L130 PetriNetUnfolder]: For 199/199 co-relation queries the response was YES. [2021-03-26 11:04:10,848 INFO L84 FinitePrefix]: Finished finitePrefix Result has 291 conditions, 72 events. 9/72 cut-off events. For 199/199 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 245 event pairs, 1 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 262. Up to 13 conditions per place. [2021-03-26 11:04:10,848 INFO L142 LiptonReduction]: Number of co-enabled transitions 22 [2021-03-26 11:04:11,110 INFO L154 LiptonReduction]: Checked pairs total: 50 [2021-03-26 11:04:11,111 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 11:04:11,111 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 269 [2021-03-26 11:04:11,111 INFO L480 AbstractCegarLoop]: Abstraction has has 77 places, 44 transitions, 380 flow [2021-03-26 11:04:11,111 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 145.5) internal successors, (1455), 10 states have internal predecessors, (1455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:11,111 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:04:11,111 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:04:11,111 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-03-26 11:04:11,112 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 11:04:11,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:04:11,112 INFO L82 PathProgramCache]: Analyzing trace with hash -278318890, now seen corresponding path program 1 times [2021-03-26 11:04:11,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:04:11,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684968523] [2021-03-26 11:04:11,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:04:11,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:04:11,159 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-03-26 11:04:11,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 11:04:11,169 INFO L142 QuantifierPusher]: treesize reduction 12, result has 68.4 percent of original size [2021-03-26 11:04:11,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 11:04:11,178 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-03-26 11:04:11,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 11:04:11,194 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.0 percent of original size [2021-03-26 11:04:11,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 11:04:11,200 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 11:04:11,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 11:04:11,214 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.2 percent of original size [2021-03-26 11:04:11,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 11:04:11,231 INFO L142 QuantifierPusher]: treesize reduction 41, result has 41.4 percent of original size [2021-03-26 11:04:11,231 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.7 percent of original size 26 [2021-03-26 11:04:11,256 INFO L142 QuantifierPusher]: treesize reduction 41, result has 40.6 percent of original size [2021-03-26 11:04:11,256 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size 25 [2021-03-26 11:04:11,282 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-26 11:04:11,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:04:11,295 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 11:04:11,295 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684968523] [2021-03-26 11:04:11,295 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:04:11,295 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 11:04:11,295 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97320129] [2021-03-26 11:04:11,295 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 11:04:11,295 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:04:11,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 11:04:11,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-03-26 11:04:11,297 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 340 [2021-03-26 11:04:11,297 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 44 transitions, 380 flow. Second operand has 10 states, 10 states have (on average 145.4) internal successors, (1454), 10 states have internal predecessors, (1454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:11,297 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:04:11,297 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 340 [2021-03-26 11:04:11,297 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:04:11,601 INFO L129 PetriNetUnfolder]: 16/80 cut-off events. [2021-03-26 11:04:11,602 INFO L130 PetriNetUnfolder]: For 280/280 co-relation queries the response was YES. [2021-03-26 11:04:11,602 INFO L84 FinitePrefix]: Finished finitePrefix Result has 382 conditions, 80 events. 16/80 cut-off events. For 280/280 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 242 event pairs, 6 based on Foata normal form. 1/81 useless extension candidates. Maximal degree in co-relation 352. Up to 38 conditions per place. [2021-03-26 11:04:11,602 INFO L132 encePairwiseOnDemand]: 330/340 looper letters, 22 selfloop transitions, 3 changer transitions 20/49 dead transitions. [2021-03-26 11:04:11,602 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 49 transitions, 485 flow [2021-03-26 11:04:11,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 11:04:11,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 11:04:11,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1184 transitions. [2021-03-26 11:04:11,604 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.43529411764705883 [2021-03-26 11:04:11,604 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1184 transitions. [2021-03-26 11:04:11,604 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1184 transitions. [2021-03-26 11:04:11,604 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:04:11,604 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1184 transitions. [2021-03-26 11:04:11,605 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 148.0) internal successors, (1184), 8 states have internal predecessors, (1184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:11,606 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 340.0) internal successors, (3060), 9 states have internal predecessors, (3060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:11,606 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 340.0) internal successors, (3060), 9 states have internal predecessors, (3060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:11,606 INFO L185 Difference]: Start difference. First operand has 77 places, 44 transitions, 380 flow. Second operand 8 states and 1184 transitions. [2021-03-26 11:04:11,607 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 49 transitions, 485 flow [2021-03-26 11:04:11,608 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 49 transitions, 439 flow, removed 8 selfloop flow, removed 12 redundant places. [2021-03-26 11:04:11,608 INFO L241 Difference]: Finished difference. Result has 72 places, 29 transitions, 223 flow [2021-03-26 11:04:11,608 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=340, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=223, PETRI_PLACES=72, PETRI_TRANSITIONS=29} [2021-03-26 11:04:11,609 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 8 predicate places. [2021-03-26 11:04:11,609 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:04:11,609 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 29 transitions, 223 flow [2021-03-26 11:04:11,609 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 29 transitions, 223 flow [2021-03-26 11:04:11,609 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 29 transitions, 223 flow [2021-03-26 11:04:11,612 INFO L129 PetriNetUnfolder]: 4/42 cut-off events. [2021-03-26 11:04:11,612 INFO L130 PetriNetUnfolder]: For 89/89 co-relation queries the response was YES. [2021-03-26 11:04:11,613 INFO L84 FinitePrefix]: Finished finitePrefix Result has 158 conditions, 42 events. 4/42 cut-off events. For 89/89 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 89 event pairs, 1 based on Foata normal form. 0/42 useless extension candidates. Maximal degree in co-relation 136. Up to 10 conditions per place. [2021-03-26 11:04:11,613 INFO L142 LiptonReduction]: Number of co-enabled transitions 12 [2021-03-26 11:04:11,622 INFO L154 LiptonReduction]: Checked pairs total: 20 [2021-03-26 11:04:11,623 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 11:04:11,623 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 14 [2021-03-26 11:04:11,623 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 29 transitions, 223 flow [2021-03-26 11:04:11,623 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 145.4) internal successors, (1454), 10 states have internal predecessors, (1454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:11,623 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:04:11,623 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:04:11,624 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-03-26 11:04:11,624 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 11:04:11,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:04:11,624 INFO L82 PathProgramCache]: Analyzing trace with hash 544828994, now seen corresponding path program 1 times [2021-03-26 11:04:11,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:04:11,624 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42630474] [2021-03-26 11:04:11,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:04:11,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:04:11,689 INFO L142 QuantifierPusher]: treesize reduction 13, result has 72.3 percent of original size [2021-03-26 11:04:11,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 11:04:11,699 INFO L142 QuantifierPusher]: treesize reduction 13, result has 66.7 percent of original size [2021-03-26 11:04:11,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 11:04:11,708 INFO L142 QuantifierPusher]: treesize reduction 13, result has 65.8 percent of original size [2021-03-26 11:04:11,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 11:04:11,719 INFO L142 QuantifierPusher]: treesize reduction 22, result has 55.1 percent of original size [2021-03-26 11:04:11,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 11:04:11,734 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.0 percent of original size [2021-03-26 11:04:11,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 11:04:11,751 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-03-26 11:04:11,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 11:04:11,769 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-03-26 11:04:11,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 11:04:11,779 INFO L142 QuantifierPusher]: treesize reduction 46, result has 35.2 percent of original size [2021-03-26 11:04:11,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 11:04:11,804 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-26 11:04:11,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:04:11,817 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-26 11:04:11,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:04:11,818 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 11:04:11,818 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42630474] [2021-03-26 11:04:11,818 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:04:11,818 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 11:04:11,818 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4087553] [2021-03-26 11:04:11,818 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 11:04:11,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:04:11,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 11:04:11,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 11:04:11,820 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 340 [2021-03-26 11:04:11,820 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 29 transitions, 223 flow. Second operand has 10 states, 10 states have (on average 144.4) internal successors, (1444), 10 states have internal predecessors, (1444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:11,820 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:04:11,820 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 340 [2021-03-26 11:04:11,821 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:04:12,123 INFO L129 PetriNetUnfolder]: 9/52 cut-off events. [2021-03-26 11:04:12,123 INFO L130 PetriNetUnfolder]: For 144/144 co-relation queries the response was YES. [2021-03-26 11:04:12,123 INFO L84 FinitePrefix]: Finished finitePrefix Result has 231 conditions, 52 events. 9/52 cut-off events. For 144/144 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 119 event pairs, 6 based on Foata normal form. 1/53 useless extension candidates. Maximal degree in co-relation 207. Up to 30 conditions per place. [2021-03-26 11:04:12,123 INFO L132 encePairwiseOnDemand]: 331/340 looper letters, 17 selfloop transitions, 2 changer transitions 9/32 dead transitions. [2021-03-26 11:04:12,123 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 32 transitions, 292 flow [2021-03-26 11:04:12,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 11:04:12,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 11:04:12,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1311 transitions. [2021-03-26 11:04:12,125 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4284313725490196 [2021-03-26 11:04:12,125 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1311 transitions. [2021-03-26 11:04:12,125 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1311 transitions. [2021-03-26 11:04:12,125 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:04:12,125 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1311 transitions. [2021-03-26 11:04:12,126 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 145.66666666666666) internal successors, (1311), 9 states have internal predecessors, (1311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:12,128 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 340.0) internal successors, (3400), 10 states have internal predecessors, (3400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:12,128 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 340.0) internal successors, (3400), 10 states have internal predecessors, (3400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:12,128 INFO L185 Difference]: Start difference. First operand has 59 places, 29 transitions, 223 flow. Second operand 9 states and 1311 transitions. [2021-03-26 11:04:12,128 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 32 transitions, 292 flow [2021-03-26 11:04:12,129 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 32 transitions, 251 flow, removed 6 selfloop flow, removed 15 redundant places. [2021-03-26 11:04:12,129 INFO L241 Difference]: Finished difference. Result has 54 places, 23 transitions, 144 flow [2021-03-26 11:04:12,130 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=340, PETRI_DIFFERENCE_MINUEND_FLOW=179, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=144, PETRI_PLACES=54, PETRI_TRANSITIONS=23} [2021-03-26 11:04:12,130 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -10 predicate places. [2021-03-26 11:04:12,130 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:04:12,130 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 23 transitions, 144 flow [2021-03-26 11:04:12,130 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 23 transitions, 144 flow [2021-03-26 11:04:12,130 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 23 transitions, 144 flow [2021-03-26 11:04:12,133 INFO L129 PetriNetUnfolder]: 4/30 cut-off events. [2021-03-26 11:04:12,133 INFO L130 PetriNetUnfolder]: For 52/52 co-relation queries the response was YES. [2021-03-26 11:04:12,133 INFO L84 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 30 events. 4/30 cut-off events. For 52/52 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 46 event pairs, 1 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 78. Up to 8 conditions per place. [2021-03-26 11:04:12,133 INFO L142 LiptonReduction]: Number of co-enabled transitions 12 [2021-03-26 11:04:12,544 INFO L154 LiptonReduction]: Checked pairs total: 28 [2021-03-26 11:04:12,544 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 11:04:12,544 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 414 [2021-03-26 11:04:12,545 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 22 transitions, 145 flow [2021-03-26 11:04:12,545 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 144.4) internal successors, (1444), 10 states have internal predecessors, (1444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:12,545 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:04:12,545 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:04:12,545 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-03-26 11:04:12,546 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 11:04:12,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:04:12,546 INFO L82 PathProgramCache]: Analyzing trace with hash -712255079, now seen corresponding path program 1 times [2021-03-26 11:04:12,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:04:12,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533118588] [2021-03-26 11:04:12,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:04:12,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:04:12,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:04:12,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 11:04:12,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:04:12,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 11:04:12,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:04:12,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 11:04:12,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:04:12,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 11:04:12,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:04:12,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 11:04:12,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:04:12,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 11:04:12,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:04:12,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 11:04:12,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:04:12,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 11:04:12,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:04:12,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 11:04:12,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:04:12,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 11:04:12,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:04:12,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 11:04:12,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:04:12,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 11:04:12,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:04:12,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 11:04:12,666 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 11:04:12,666 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533118588] [2021-03-26 11:04:12,666 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:04:12,666 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 11:04:12,666 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659478709] [2021-03-26 11:04:12,666 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 11:04:12,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:04:12,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 11:04:12,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-03-26 11:04:12,668 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 342 [2021-03-26 11:04:12,668 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 22 transitions, 145 flow. Second operand has 10 states, 10 states have (on average 140.5) internal successors, (1405), 10 states have internal predecessors, (1405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:12,668 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:04:12,668 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 342 [2021-03-26 11:04:12,668 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:04:12,913 INFO L129 PetriNetUnfolder]: 8/39 cut-off events. [2021-03-26 11:04:12,913 INFO L130 PetriNetUnfolder]: For 87/87 co-relation queries the response was YES. [2021-03-26 11:04:12,913 INFO L84 FinitePrefix]: Finished finitePrefix Result has 167 conditions, 39 events. 8/39 cut-off events. For 87/87 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 70 event pairs, 2 based on Foata normal form. 1/40 useless extension candidates. Maximal degree in co-relation 141. Up to 19 conditions per place. [2021-03-26 11:04:12,914 INFO L132 encePairwiseOnDemand]: 332/342 looper letters, 10 selfloop transitions, 11 changer transitions 2/24 dead transitions. [2021-03-26 11:04:12,914 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 24 transitions, 201 flow [2021-03-26 11:04:12,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 11:04:12,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 11:04:12,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1272 transitions. [2021-03-26 11:04:12,922 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41325536062378165 [2021-03-26 11:04:12,922 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1272 transitions. [2021-03-26 11:04:12,922 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1272 transitions. [2021-03-26 11:04:12,922 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:04:12,922 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1272 transitions. [2021-03-26 11:04:12,923 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 141.33333333333334) internal successors, (1272), 9 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:12,925 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 342.0) internal successors, (3420), 10 states have internal predecessors, (3420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:12,925 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 342.0) internal successors, (3420), 10 states have internal predecessors, (3420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:12,925 INFO L185 Difference]: Start difference. First operand has 41 places, 22 transitions, 145 flow. Second operand 9 states and 1272 transitions. [2021-03-26 11:04:12,925 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 24 transitions, 201 flow [2021-03-26 11:04:12,925 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 24 transitions, 146 flow, removed 16 selfloop flow, removed 13 redundant places. [2021-03-26 11:04:12,926 INFO L241 Difference]: Finished difference. Result has 36 places, 21 transitions, 113 flow [2021-03-26 11:04:12,926 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=342, PETRI_DIFFERENCE_MINUEND_FLOW=91, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=113, PETRI_PLACES=36, PETRI_TRANSITIONS=21} [2021-03-26 11:04:12,926 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -28 predicate places. [2021-03-26 11:04:12,926 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:04:12,926 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 21 transitions, 113 flow [2021-03-26 11:04:12,926 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 21 transitions, 113 flow [2021-03-26 11:04:12,926 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 21 transitions, 113 flow [2021-03-26 11:04:12,929 INFO L129 PetriNetUnfolder]: 3/28 cut-off events. [2021-03-26 11:04:12,929 INFO L130 PetriNetUnfolder]: For 22/22 co-relation queries the response was YES. [2021-03-26 11:04:12,929 INFO L84 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 28 events. 3/28 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 42 event pairs, 1 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 42. Up to 7 conditions per place. [2021-03-26 11:04:12,929 INFO L142 LiptonReduction]: Number of co-enabled transitions 12 [2021-03-26 11:04:13,013 INFO L154 LiptonReduction]: Checked pairs total: 27 [2021-03-26 11:04:13,013 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 11:04:13,013 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 87 [2021-03-26 11:04:13,014 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 20 transitions, 113 flow [2021-03-26 11:04:13,014 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 140.5) internal successors, (1405), 10 states have internal predecessors, (1405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:13,014 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:04:13,014 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:04:13,014 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-03-26 11:04:13,014 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 11:04:13,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:04:13,014 INFO L82 PathProgramCache]: Analyzing trace with hash 1691228350, now seen corresponding path program 1 times [2021-03-26 11:04:13,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:04:13,014 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539256985] [2021-03-26 11:04:13,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:04:13,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:04:13,057 INFO L142 QuantifierPusher]: treesize reduction 10, result has 85.9 percent of original size [2021-03-26 11:04:13,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 11:04:13,080 INFO L142 QuantifierPusher]: treesize reduction 10, result has 84.1 percent of original size [2021-03-26 11:04:13,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 11:04:13,105 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 11:04:13,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 11:04:13,119 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.2 percent of original size [2021-03-26 11:04:13,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 11:04:13,134 INFO L142 QuantifierPusher]: treesize reduction 44, result has 37.1 percent of original size [2021-03-26 11:04:13,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 11:04:13,157 INFO L142 QuantifierPusher]: treesize reduction 44, result has 36.2 percent of original size [2021-03-26 11:04:13,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 11:04:13,181 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-26 11:04:13,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:04:13,193 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-26 11:04:13,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:04:13,194 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 11:04:13,194 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539256985] [2021-03-26 11:04:13,194 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:04:13,194 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 11:04:13,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905096658] [2021-03-26 11:04:13,194 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 11:04:13,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:04:13,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 11:04:13,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 11:04:13,195 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 344 [2021-03-26 11:04:13,196 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 20 transitions, 113 flow. Second operand has 9 states, 9 states have (on average 153.22222222222223) internal successors, (1379), 9 states have internal predecessors, (1379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:13,196 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:04:13,196 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 344 [2021-03-26 11:04:13,196 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:04:13,462 INFO L129 PetriNetUnfolder]: 7/43 cut-off events. [2021-03-26 11:04:13,463 INFO L130 PetriNetUnfolder]: For 72/73 co-relation queries the response was YES. [2021-03-26 11:04:13,463 INFO L84 FinitePrefix]: Finished finitePrefix Result has 151 conditions, 43 events. 7/43 cut-off events. For 72/73 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 118 event pairs, 2 based on Foata normal form. 2/45 useless extension candidates. Maximal degree in co-relation 72. Up to 14 conditions per place. [2021-03-26 11:04:13,463 INFO L132 encePairwiseOnDemand]: 335/344 looper letters, 9 selfloop transitions, 7 changer transitions 10/29 dead transitions. [2021-03-26 11:04:13,463 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 29 transitions, 215 flow [2021-03-26 11:04:13,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 11:04:13,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 11:04:13,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1392 transitions. [2021-03-26 11:04:13,464 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4496124031007752 [2021-03-26 11:04:13,464 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1392 transitions. [2021-03-26 11:04:13,464 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1392 transitions. [2021-03-26 11:04:13,465 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:04:13,465 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1392 transitions. [2021-03-26 11:04:13,466 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 154.66666666666666) internal successors, (1392), 9 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:13,467 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 344.0) internal successors, (3440), 10 states have internal predecessors, (3440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:13,467 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 344.0) internal successors, (3440), 10 states have internal predecessors, (3440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:13,467 INFO L185 Difference]: Start difference. First operand has 35 places, 20 transitions, 113 flow. Second operand 9 states and 1392 transitions. [2021-03-26 11:04:13,467 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 29 transitions, 215 flow [2021-03-26 11:04:13,468 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 29 transitions, 181 flow, removed 0 selfloop flow, removed 8 redundant places. [2021-03-26 11:04:13,468 INFO L241 Difference]: Finished difference. Result has 38 places, 19 transitions, 110 flow [2021-03-26 11:04:13,468 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=89, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=110, PETRI_PLACES=38, PETRI_TRANSITIONS=19} [2021-03-26 11:04:13,468 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -26 predicate places. [2021-03-26 11:04:13,468 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:04:13,468 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 38 places, 19 transitions, 110 flow [2021-03-26 11:04:13,468 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 38 places, 19 transitions, 110 flow [2021-03-26 11:04:13,469 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 35 places, 19 transitions, 110 flow [2021-03-26 11:04:13,471 INFO L129 PetriNetUnfolder]: 2/23 cut-off events. [2021-03-26 11:04:13,471 INFO L130 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2021-03-26 11:04:13,471 INFO L84 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 23 events. 2/23 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 22 event pairs, 0 based on Foata normal form. 0/23 useless extension candidates. Maximal degree in co-relation 65. Up to 6 conditions per place. [2021-03-26 11:04:13,471 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-26 11:04:13,504 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 11:04:13,505 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 11:04:13,505 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 37 [2021-03-26 11:04:13,505 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 19 transitions, 114 flow [2021-03-26 11:04:13,505 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 153.22222222222223) internal successors, (1379), 9 states have internal predecessors, (1379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:13,505 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:04:13,505 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:04:13,505 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-03-26 11:04:13,506 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 11:04:13,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:04:13,506 INFO L82 PathProgramCache]: Analyzing trace with hash 1724000995, now seen corresponding path program 1 times [2021-03-26 11:04:13,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:04:13,506 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129023934] [2021-03-26 11:04:13,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:04:13,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:04:13,548 INFO L142 QuantifierPusher]: treesize reduction 12, result has 83.6 percent of original size [2021-03-26 11:04:13,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 11:04:13,572 INFO L142 QuantifierPusher]: treesize reduction 12, result has 81.5 percent of original size [2021-03-26 11:04:13,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 11:04:13,598 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.6 percent of original size [2021-03-26 11:04:13,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 11:04:13,612 INFO L142 QuantifierPusher]: treesize reduction 16, result has 67.3 percent of original size [2021-03-26 11:04:13,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 11:04:13,628 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-03-26 11:04:13,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 11:04:13,645 INFO L142 QuantifierPusher]: treesize reduction 46, result has 35.2 percent of original size [2021-03-26 11:04:13,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 11:04:13,670 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-26 11:04:13,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:04:13,682 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-26 11:04:13,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:04:13,683 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 11:04:13,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129023934] [2021-03-26 11:04:13,683 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:04:13,683 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 11:04:13,683 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236200504] [2021-03-26 11:04:13,683 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 11:04:13,683 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:04:13,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 11:04:13,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 11:04:13,685 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 345 [2021-03-26 11:04:13,685 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 19 transitions, 114 flow. Second operand has 9 states, 9 states have (on average 153.11111111111111) internal successors, (1378), 9 states have internal predecessors, (1378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:13,685 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:04:13,685 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 345 [2021-03-26 11:04:13,685 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:04:13,926 INFO L129 PetriNetUnfolder]: 1/25 cut-off events. [2021-03-26 11:04:13,926 INFO L130 PetriNetUnfolder]: For 36/36 co-relation queries the response was YES. [2021-03-26 11:04:13,926 INFO L84 FinitePrefix]: Finished finitePrefix Result has 102 conditions, 25 events. 1/25 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 31 event pairs, 0 based on Foata normal form. 1/26 useless extension candidates. Maximal degree in co-relation 88. Up to 7 conditions per place. [2021-03-26 11:04:13,926 INFO L132 encePairwiseOnDemand]: 336/345 looper letters, 6 selfloop transitions, 4 changer transitions 8/21 dead transitions. [2021-03-26 11:04:13,926 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 21 transitions, 164 flow [2021-03-26 11:04:13,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 11:04:13,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 11:04:13,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1234 transitions. [2021-03-26 11:04:13,927 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44710144927536233 [2021-03-26 11:04:13,928 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1234 transitions. [2021-03-26 11:04:13,928 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1234 transitions. [2021-03-26 11:04:13,928 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:04:13,928 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1234 transitions. [2021-03-26 11:04:13,929 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 154.25) internal successors, (1234), 8 states have internal predecessors, (1234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:13,930 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 345.0) internal successors, (3105), 9 states have internal predecessors, (3105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:13,930 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 345.0) internal successors, (3105), 9 states have internal predecessors, (3105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:13,930 INFO L185 Difference]: Start difference. First operand has 35 places, 19 transitions, 114 flow. Second operand 8 states and 1234 transitions. [2021-03-26 11:04:13,930 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 21 transitions, 164 flow [2021-03-26 11:04:13,931 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 21 transitions, 125 flow, removed 6 selfloop flow, removed 9 redundant places. [2021-03-26 11:04:13,931 INFO L241 Difference]: Finished difference. Result has 35 places, 13 transitions, 58 flow [2021-03-26 11:04:13,931 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=58, PETRI_PLACES=35, PETRI_TRANSITIONS=13} [2021-03-26 11:04:13,931 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -29 predicate places. [2021-03-26 11:04:13,931 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:04:13,931 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 13 transitions, 58 flow [2021-03-26 11:04:13,931 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 35 places, 13 transitions, 58 flow [2021-03-26 11:04:13,931 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 29 places, 13 transitions, 58 flow [2021-03-26 11:04:13,933 INFO L129 PetriNetUnfolder]: 0/13 cut-off events. [2021-03-26 11:04:13,933 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-03-26 11:04:13,933 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38 conditions, 13 events. 0/13 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/13 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-26 11:04:13,933 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-26 11:04:14,388 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 11:04:14,388 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 11:04:14,388 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 457 [2021-03-26 11:04:14,388 INFO L480 AbstractCegarLoop]: Abstraction has has 26 places, 11 transitions, 52 flow [2021-03-26 11:04:14,389 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 153.11111111111111) internal successors, (1378), 9 states have internal predecessors, (1378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:14,389 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:04:14,389 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:04:14,389 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-03-26 11:04:14,389 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 11:04:14,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:04:14,389 INFO L82 PathProgramCache]: Analyzing trace with hash 1079878485, now seen corresponding path program 2 times [2021-03-26 11:04:14,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:04:14,389 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018959834] [2021-03-26 11:04:14,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:04:14,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:04:14,428 INFO L142 QuantifierPusher]: treesize reduction 12, result has 83.6 percent of original size [2021-03-26 11:04:14,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 11:04:14,451 INFO L142 QuantifierPusher]: treesize reduction 12, result has 81.5 percent of original size [2021-03-26 11:04:14,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 11:04:14,476 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.6 percent of original size [2021-03-26 11:04:14,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 11:04:14,490 INFO L142 QuantifierPusher]: treesize reduction 16, result has 67.3 percent of original size [2021-03-26 11:04:14,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 11:04:14,505 INFO L142 QuantifierPusher]: treesize reduction 46, result has 36.1 percent of original size [2021-03-26 11:04:14,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 11:04:14,528 INFO L142 QuantifierPusher]: treesize reduction 11, result has 62.1 percent of original size [2021-03-26 11:04:14,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 11:04:14,539 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-26 11:04:14,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:04:14,552 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-26 11:04:14,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:04:14,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:04:14,552 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018959834] [2021-03-26 11:04:14,552 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:04:14,552 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 11:04:14,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81515139] [2021-03-26 11:04:14,553 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 11:04:14,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:04:14,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 11:04:14,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 11:04:14,554 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 347 [2021-03-26 11:04:14,554 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 11 transitions, 52 flow. Second operand has 9 states, 9 states have (on average 153.11111111111111) internal successors, (1378), 9 states have internal predecessors, (1378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:14,555 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:04:14,555 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 347 [2021-03-26 11:04:14,555 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:04:14,679 INFO L129 PetriNetUnfolder]: 0/10 cut-off events. [2021-03-26 11:04:14,679 INFO L130 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2021-03-26 11:04:14,679 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40 conditions, 10 events. 0/10 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 1/11 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-26 11:04:14,679 INFO L132 encePairwiseOnDemand]: 342/347 looper letters, 0 selfloop transitions, 0 changer transitions 10/10 dead transitions. [2021-03-26 11:04:14,679 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 10 transitions, 61 flow [2021-03-26 11:04:14,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 11:04:14,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 11:04:14,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 920 transitions. [2021-03-26 11:04:14,680 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44188280499519694 [2021-03-26 11:04:14,680 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 920 transitions. [2021-03-26 11:04:14,680 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 920 transitions. [2021-03-26 11:04:14,681 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:04:14,681 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 920 transitions. [2021-03-26 11:04:14,681 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 153.33333333333334) internal successors, (920), 6 states have internal predecessors, (920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:14,682 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 347.0) internal successors, (2429), 7 states have internal predecessors, (2429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:14,682 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 347.0) internal successors, (2429), 7 states have internal predecessors, (2429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:14,682 INFO L185 Difference]: Start difference. First operand has 26 places, 11 transitions, 52 flow. Second operand 6 states and 920 transitions. [2021-03-26 11:04:14,682 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 10 transitions, 61 flow [2021-03-26 11:04:14,683 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 18 places, 10 transitions, 35 flow, removed 4 selfloop flow, removed 12 redundant places. [2021-03-26 11:04:14,683 INFO L241 Difference]: Finished difference. Result has 18 places, 0 transitions, 0 flow [2021-03-26 11:04:14,683 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=347, PETRI_DIFFERENCE_MINUEND_FLOW=21, PETRI_DIFFERENCE_MINUEND_PLACES=13, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=10, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=18, PETRI_TRANSITIONS=0} [2021-03-26 11:04:14,683 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -46 predicate places. [2021-03-26 11:04:14,683 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:04:14,683 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 18 places, 0 transitions, 0 flow [2021-03-26 11:04:14,683 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 18 places, 0 transitions, 0 flow [2021-03-26 11:04:14,683 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-03-26 11:04:14,683 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-03-26 11:04:14,683 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 11:04:14,683 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 11:04:14,684 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-26 11:04:14,684 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 11:04:14,684 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 11:04:14,684 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1 [2021-03-26 11:04:14,684 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-03-26 11:04:14,684 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 153.11111111111111) internal successors, (1378), 9 states have internal predecessors, (1378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:04:14,684 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-03-26 11:04:14,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 11:04:14 BasicIcfg [2021-03-26 11:04:14,687 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 11:04:14,688 INFO L168 Benchmark]: Toolchain (without parser) took 147251.74 ms. Allocated memory was 255.9 MB in the beginning and 440.4 MB in the end (delta: 184.5 MB). Free memory was 232.9 MB in the beginning and 287.2 MB in the end (delta: -54.3 MB). Peak memory consumption was 128.8 MB. Max. memory is 16.0 GB. [2021-03-26 11:04:14,688 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 255.9 MB. Free memory is still 237.7 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 11:04:14,688 INFO L168 Benchmark]: CACSL2BoogieTranslator took 714.54 ms. Allocated memory was 255.9 MB in the beginning and 367.0 MB in the end (delta: 111.1 MB). Free memory was 232.9 MB in the beginning and 340.8 MB in the end (delta: -107.9 MB). Peak memory consumption was 65.7 MB. Max. memory is 16.0 GB. [2021-03-26 11:04:14,688 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.30 ms. Allocated memory is still 367.0 MB. Free memory was 340.8 MB in the beginning and 337.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 11:04:14,688 INFO L168 Benchmark]: Boogie Preprocessor took 22.36 ms. Allocated memory is still 367.0 MB. Free memory was 337.6 MB in the beginning and 335.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 11:04:14,688 INFO L168 Benchmark]: RCFGBuilder took 401.66 ms. Allocated memory is still 367.0 MB. Free memory was 335.5 MB in the beginning and 288.3 MB in the end (delta: 47.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.0 GB. [2021-03-26 11:04:14,688 INFO L168 Benchmark]: TraceAbstraction took 146071.46 ms. Allocated memory was 367.0 MB in the beginning and 440.4 MB in the end (delta: 73.4 MB). Free memory was 287.3 MB in the beginning and 287.2 MB in the end (delta: 142.5 kB). Peak memory consumption was 73.5 MB. Max. memory is 16.0 GB. [2021-03-26 11:04:14,691 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 ms. Allocated memory is still 255.9 MB. Free memory is still 237.7 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 714.54 ms. Allocated memory was 255.9 MB in the beginning and 367.0 MB in the end (delta: 111.1 MB). Free memory was 232.9 MB in the beginning and 340.8 MB in the end (delta: -107.9 MB). Peak memory consumption was 65.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 38.30 ms. Allocated memory is still 367.0 MB. Free memory was 340.8 MB in the beginning and 337.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 22.36 ms. Allocated memory is still 367.0 MB. Free memory was 337.6 MB in the beginning and 335.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 401.66 ms. Allocated memory is still 367.0 MB. Free memory was 335.5 MB in the beginning and 288.3 MB in the end (delta: 47.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 146071.46 ms. Allocated memory was 367.0 MB in the beginning and 440.4 MB in the end (delta: 73.4 MB). Free memory was 287.3 MB in the beginning and 287.2 MB in the end (delta: 142.5 kB). Peak memory consumption was 73.5 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 66567.9ms, 150 PlacesBefore, 64 PlacesAfterwards, 152 TransitionsBefore, 65 TransitionsAfterwards, 2288 CoEnabledTransitionPairs, 5 FixpointIterations, 67 TrivialSequentialCompositions, 35 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 115 TotalNumberOfCompositions, 3162 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1541, positive: 1461, positive conditional: 1461, positive unconditional: 0, negative: 80, negative conditional: 80, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1541, positive: 1461, positive conditional: 0, positive unconditional: 1461, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1541, positive: 1461, positive conditional: 0, positive unconditional: 1461, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1323, positive: 1288, positive conditional: 0, positive unconditional: 1288, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1323, positive: 1285, positive conditional: 0, positive unconditional: 1285, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 38, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 16, unknown conditional: 0, unknown unconditional: 16] , SemanticIndependenceRelation.Query Time [ms]: [ total: 62853, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 446, negative conditional: 0, negative unconditional: 446, unknown: 62394, unknown conditional: 0, unknown unconditional: 62394] ], Cache Queries: [ total: 1541, positive: 173, positive conditional: 0, positive unconditional: 173, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 1323, unknown conditional: 0, unknown unconditional: 1323] , Statistics on independence cache: Total cache size (in pairs): 1323, Positive cache size: 1288, Positive conditional cache size: 0, Positive unconditional cache size: 1288, Negative cache size: 35, Negative conditional cache size: 0, Negative unconditional cache size: 35, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 44058.4ms, 59 PlacesBefore, 34 PlacesAfterwards, 56 TransitionsBefore, 34 TransitionsAfterwards, 370 CoEnabledTransitionPairs, 5 FixpointIterations, 25 TrivialSequentialCompositions, 5 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 30 TotalNumberOfCompositions, 1956 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 482, positive: 349, positive conditional: 349, positive unconditional: 0, negative: 133, negative conditional: 133, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 482, positive: 349, positive conditional: 0, positive unconditional: 349, negative: 133, negative conditional: 0, negative unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 482, positive: 349, positive conditional: 0, positive unconditional: 349, negative: 133, negative conditional: 0, negative unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 114, positive: 95, positive conditional: 0, positive unconditional: 95, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 114, positive: 93, positive conditional: 0, positive unconditional: 93, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , SemanticIndependenceRelation.Query Time [ms]: [ total: 32104, positive: 212, positive conditional: 0, positive unconditional: 212, negative: 285, negative conditional: 0, negative unconditional: 285, unknown: 31607, unknown conditional: 0, unknown unconditional: 31607] ], Cache Queries: [ total: 482, positive: 254, positive conditional: 0, positive unconditional: 254, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 114, unknown conditional: 0, unknown unconditional: 114] , Statistics on independence cache: Total cache size (in pairs): 1437, Positive cache size: 1383, Positive conditional cache size: 0, Positive unconditional cache size: 1383, Negative cache size: 54, Negative conditional cache size: 0, Negative unconditional cache size: 54, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 15378.0ms, 36 PlacesBefore, 34 PlacesAfterwards, 36 TransitionsBefore, 34 TransitionsAfterwards, 266 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 1048 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 253, positive: 177, positive conditional: 177, positive unconditional: 0, negative: 76, negative conditional: 76, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 253, positive: 177, positive conditional: 0, positive unconditional: 177, negative: 76, negative conditional: 0, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 253, positive: 177, positive conditional: 0, positive unconditional: 177, negative: 76, negative conditional: 0, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 12, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 12, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , SemanticIndependenceRelation.Query Time [ms]: [ total: 14829, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 187, negative conditional: 0, negative unconditional: 187, unknown: 14642, unknown conditional: 0, unknown unconditional: 14642] ], Cache Queries: [ total: 253, positive: 171, positive conditional: 0, positive unconditional: 171, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 12, unknown conditional: 0, unknown unconditional: 12] , Statistics on independence cache: Total cache size (in pairs): 1449, Positive cache size: 1389, Positive conditional cache size: 0, Positive unconditional cache size: 1389, Negative cache size: 60, Negative conditional cache size: 0, Negative unconditional cache size: 60, Eliminated conditions: 24 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 15.6ms, 35 PlacesBefore, 35 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 292 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 224 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 49, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 49, positive: 34, positive conditional: 2, positive unconditional: 32, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 49, positive: 34, positive conditional: 2, positive unconditional: 32, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 1, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 49, positive: 31, positive conditional: 1, positive unconditional: 30, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 3, unknown conditional: 1, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 1452, Positive cache size: 1392, Positive conditional cache size: 1, Positive unconditional cache size: 1391, Negative cache size: 60, Negative conditional cache size: 0, Negative unconditional cache size: 60, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 323.0ms, 37 PlacesBefore, 36 PlacesAfterwards, 43 TransitionsBefore, 42 TransitionsAfterwards, 312 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 852 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 255, positive: 213, positive conditional: 213, positive unconditional: 0, negative: 42, negative conditional: 42, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 269, positive: 213, positive conditional: 27, positive unconditional: 186, negative: 56, negative conditional: 30, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 269, positive: 213, positive conditional: 27, positive unconditional: 186, negative: 56, negative conditional: 30, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 30, positive: 22, positive conditional: 1, positive unconditional: 21, negative: 8, negative conditional: 7, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 30, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 8, negative conditional: 7, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 97, negative conditional: 78, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 269, positive: 191, positive conditional: 26, positive unconditional: 165, negative: 48, negative conditional: 23, negative unconditional: 25, unknown: 30, unknown conditional: 8, unknown unconditional: 22] , Statistics on independence cache: Total cache size (in pairs): 1482, Positive cache size: 1414, Positive conditional cache size: 2, Positive unconditional cache size: 1412, Negative cache size: 68, Negative conditional cache size: 7, Negative unconditional cache size: 61, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14.7ms, 30 PlacesBefore, 29 PlacesAfterwards, 25 TransitionsBefore, 25 TransitionsAfterwards, 140 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 67 MoverChecksTotal, Independence Relation Statistics: 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: 0, positive unconditional: 18, 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: 0, positive unconditional: 18, 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: 3, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 9, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 25, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 1485, Positive cache size: 1415, Positive conditional cache size: 2, Positive unconditional cache size: 1413, Negative cache size: 70, Negative conditional cache size: 7, Negative unconditional cache size: 63, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 22.1ms, 42 PlacesBefore, 42 PlacesAfterwards, 44 TransitionsBefore, 44 TransitionsAfterwards, 214 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 58 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.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] , 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: 7, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 3, negative conditional: 1, negative unconditional: 2, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1486, Positive cache size: 1415, Positive conditional cache size: 2, Positive unconditional cache size: 1413, Negative cache size: 71, Negative conditional cache size: 8, Negative unconditional cache size: 63, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 103.7ms, 60 PlacesBefore, 57 PlacesAfterwards, 71 TransitionsBefore, 71 TransitionsAfterwards, 252 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 528 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 100, positive: 70, positive conditional: 70, positive unconditional: 0, negative: 30, negative conditional: 30, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 100, positive: 70, positive conditional: 30, positive unconditional: 40, negative: 30, negative conditional: 30, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 100, positive: 70, positive conditional: 30, positive unconditional: 40, negative: 30, negative conditional: 30, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9, positive: 5, positive conditional: 5, 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: 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: 1, positive conditional: 1, 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: 5, positive conditional: 5, positive unconditional: 0, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 100, positive: 65, positive conditional: 25, positive unconditional: 40, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1495, Positive cache size: 1420, Positive conditional cache size: 7, Positive unconditional cache size: 1413, Negative cache size: 75, Negative conditional cache size: 12, Negative unconditional cache size: 63, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 83.2ms, 67 PlacesBefore, 67 PlacesAfterwards, 94 TransitionsBefore, 94 TransitionsAfterwards, 272 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 428 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 47, positive: 25, positive conditional: 25, 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: 47, positive: 25, positive conditional: 22, positive unconditional: 3, negative: 22, negative conditional: 17, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 47, positive: 25, positive conditional: 22, positive unconditional: 3, negative: 22, negative conditional: 17, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, 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: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 1, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 7, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 47, positive: 25, positive conditional: 22, positive unconditional: 3, negative: 20, negative conditional: 16, negative unconditional: 4, unknown: 2, unknown conditional: 1, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 1497, Positive cache size: 1420, Positive conditional cache size: 7, Positive unconditional cache size: 1413, Negative cache size: 77, Negative conditional cache size: 13, Negative unconditional cache size: 64, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 328.0ms, 69 PlacesBefore, 69 PlacesAfterwards, 79 TransitionsBefore, 79 TransitionsAfterwards, 222 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 367 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31, positive: 10, positive conditional: 10, 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: 31, positive: 10, positive conditional: 8, positive unconditional: 2, negative: 21, negative conditional: 9, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 31, positive: 10, positive conditional: 8, positive unconditional: 2, negative: 21, negative conditional: 9, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 3, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 31, positive: 6, positive conditional: 5, positive unconditional: 1, negative: 21, negative conditional: 9, negative unconditional: 12, unknown: 4, unknown conditional: 3, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 1501, Positive cache size: 1424, Positive conditional cache size: 10, Positive unconditional cache size: 1414, Negative cache size: 77, Negative conditional cache size: 13, Negative unconditional cache size: 64, Eliminated conditions: 2 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 119.1ms, 82 PlacesBefore, 82 PlacesAfterwards, 117 TransitionsBefore, 117 TransitionsAfterwards, 250 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 726 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 42, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 38, negative conditional: 38, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 42, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 42, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 38, negative conditional: 0, negative unconditional: 38, 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: 42, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1501, Positive cache size: 1424, Positive conditional cache size: 10, Positive unconditional cache size: 1414, Negative cache size: 77, Negative conditional cache size: 13, Negative unconditional cache size: 64, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 70.9ms, 94 PlacesBefore, 91 PlacesAfterwards, 112 TransitionsBefore, 112 TransitionsAfterwards, 244 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 306 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17, positive: 0, positive conditional: 0, 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: 17, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 17, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 17, negative conditional: 0, negative unconditional: 17, 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: 17, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1501, Positive cache size: 1424, Positive conditional cache size: 10, Positive unconditional cache size: 1414, Negative cache size: 77, Negative conditional cache size: 13, Negative unconditional cache size: 64, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 675.8ms, 81 PlacesBefore, 75 PlacesAfterwards, 74 TransitionsBefore, 72 TransitionsAfterwards, 108 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 9 ConcurrentYvCompositions, 0 ChoiceCompositions, 10 TotalNumberOfCompositions, 368 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 101, positive: 75, positive conditional: 75, positive unconditional: 0, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 101, positive: 75, positive conditional: 63, positive unconditional: 12, negative: 26, negative conditional: 14, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 101, positive: 75, positive conditional: 63, positive unconditional: 12, negative: 26, negative conditional: 14, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 15, positive: 11, positive conditional: 5, positive unconditional: 6, 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: 15, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 4, negative conditional: 3, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 93, positive: 60, positive conditional: 60, positive unconditional: 0, negative: 34, negative conditional: 30, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 101, positive: 64, positive conditional: 58, positive unconditional: 6, negative: 22, negative conditional: 11, negative unconditional: 11, unknown: 15, unknown conditional: 8, unknown unconditional: 7] , Statistics on independence cache: Total cache size (in pairs): 1516, Positive cache size: 1435, Positive conditional cache size: 15, Positive unconditional cache size: 1420, Negative cache size: 81, Negative conditional cache size: 16, Negative unconditional cache size: 65, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 471.0ms, 81 PlacesBefore, 77 PlacesAfterwards, 74 TransitionsBefore, 72 TransitionsAfterwards, 66 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 387 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 48, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 39, negative conditional: 39, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 48, positive: 9, positive conditional: 3, positive unconditional: 6, negative: 39, negative conditional: 36, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 48, positive: 9, positive conditional: 3, positive unconditional: 6, negative: 39, negative conditional: 36, negative unconditional: 3, 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: 48, positive: 9, positive conditional: 3, positive unconditional: 6, negative: 39, negative conditional: 36, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1516, Positive cache size: 1435, Positive conditional cache size: 15, Positive unconditional cache size: 1420, Negative cache size: 81, Negative conditional cache size: 16, Negative unconditional cache size: 65, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2481.9ms, 85 PlacesBefore, 82 PlacesAfterwards, 71 TransitionsBefore, 70 TransitionsAfterwards, 68 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 293 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 45, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 28, negative conditional: 28, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 57, positive: 17, positive conditional: 13, positive unconditional: 4, negative: 40, negative conditional: 36, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 57, positive: 17, positive conditional: 13, positive unconditional: 4, negative: 40, negative conditional: 36, negative unconditional: 4, 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: 1, positive conditional: 0, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2186, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 2168, unknown conditional: 0, unknown unconditional: 2168] ], Cache Queries: [ total: 57, positive: 15, positive conditional: 11, positive unconditional: 4, negative: 38, negative conditional: 35, negative unconditional: 3, unknown: 4, unknown conditional: 3, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 1520, Positive cache size: 1437, Positive conditional cache size: 17, Positive unconditional cache size: 1420, Negative cache size: 83, Negative conditional cache size: 17, Negative unconditional cache size: 66, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 21.9ms, 85 PlacesBefore, 79 PlacesAfterwards, 62 TransitionsBefore, 62 TransitionsAfterwards, 58 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 80 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23, positive: 12, positive conditional: 12, 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: 24, positive: 12, positive conditional: 1, positive unconditional: 11, negative: 12, negative conditional: 2, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 24, positive: 12, positive conditional: 1, positive unconditional: 11, negative: 12, negative conditional: 2, negative unconditional: 10, 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: 12, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 24, positive: 12, positive conditional: 1, positive unconditional: 11, negative: 11, negative conditional: 1, negative unconditional: 10, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1521, Positive cache size: 1437, Positive conditional cache size: 17, Positive unconditional cache size: 1420, Negative cache size: 84, Negative conditional cache size: 18, Negative unconditional cache size: 66, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 118.0ms, 91 PlacesBefore, 86 PlacesAfterwards, 63 TransitionsBefore, 63 TransitionsAfterwards, 56 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 160 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 46, positive: 24, positive conditional: 24, 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: 48, positive: 24, positive conditional: 2, positive unconditional: 22, negative: 24, negative conditional: 4, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 48, positive: 24, positive conditional: 2, positive unconditional: 22, negative: 24, negative conditional: 4, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 48, positive: 23, positive conditional: 2, positive unconditional: 21, negative: 24, negative conditional: 4, negative unconditional: 20, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 1522, Positive cache size: 1438, Positive conditional cache size: 17, Positive unconditional cache size: 1421, Negative cache size: 84, Negative conditional cache size: 18, Negative unconditional cache size: 66, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 16.3ms, 90 PlacesBefore, 90 PlacesAfterwards, 67 TransitionsBefore, 67 TransitionsAfterwards, 40 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 64 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12, positive: 1, positive conditional: 1, 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: 12, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 11, negative conditional: 0, negative unconditional: 11, 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: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 12, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 1523, Positive cache size: 1438, Positive conditional cache size: 17, Positive unconditional cache size: 1421, Negative cache size: 85, Negative conditional cache size: 18, Negative unconditional cache size: 67, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 135.1ms, 98 PlacesBefore, 89 PlacesAfterwards, 60 TransitionsBefore, 59 TransitionsAfterwards, 40 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 104 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20, positive: 2, positive conditional: 2, 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: 20, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 18, negative conditional: 0, negative unconditional: 18, 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: 20, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1523, Positive cache size: 1438, Positive conditional cache size: 17, Positive unconditional cache size: 1421, Negative cache size: 85, Negative conditional cache size: 18, Negative unconditional cache size: 67, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 123.1ms, 85 PlacesBefore, 79 PlacesAfterwards, 57 TransitionsBefore, 57 TransitionsAfterwards, 38 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 116 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 58, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 38, negative conditional: 36, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 58, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 38, negative conditional: 36, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 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: 15, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 58, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 36, negative conditional: 34, negative unconditional: 2, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1525, Positive cache size: 1438, Positive conditional cache size: 17, Positive unconditional cache size: 1421, Negative cache size: 87, Negative conditional cache size: 20, Negative unconditional cache size: 67, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 268.2ms, 83 PlacesBefore, 77 PlacesAfterwards, 46 TransitionsBefore, 44 TransitionsAfterwards, 22 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 50 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 47, positive: 8, positive conditional: 4, positive unconditional: 4, negative: 39, negative conditional: 36, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 47, positive: 8, positive conditional: 4, positive unconditional: 4, negative: 39, negative conditional: 36, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 47, positive: 7, positive conditional: 3, positive unconditional: 4, negative: 38, negative conditional: 35, negative unconditional: 3, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1527, Positive cache size: 1439, Positive conditional cache size: 18, Positive unconditional cache size: 1421, Negative cache size: 88, Negative conditional cache size: 21, Negative unconditional cache size: 67, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.7ms, 72 PlacesBefore, 59 PlacesAfterwards, 29 TransitionsBefore, 29 TransitionsAfterwards, 12 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 20 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, positive: 9, positive conditional: 9, 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: 16, positive: 9, positive conditional: 3, positive unconditional: 6, negative: 7, negative conditional: 3, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 16, positive: 9, positive conditional: 3, positive unconditional: 6, negative: 7, negative conditional: 3, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 2, positive conditional: 1, positive unconditional: 1, 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: 16, positive: 7, positive conditional: 2, positive unconditional: 5, negative: 6, negative conditional: 2, negative unconditional: 4, unknown: 3, unknown conditional: 2, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 1530, Positive cache size: 1441, Positive conditional cache size: 19, Positive unconditional cache size: 1422, Negative cache size: 89, Negative conditional cache size: 22, Negative unconditional cache size: 67, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 414.1ms, 54 PlacesBefore, 41 PlacesAfterwards, 23 TransitionsBefore, 22 TransitionsAfterwards, 12 CoEnabledTransitionPairs, 2 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 28 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 22, positive: 12, positive conditional: 4, positive unconditional: 8, negative: 10, negative conditional: 4, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 22, positive: 12, positive conditional: 4, positive unconditional: 8, negative: 10, negative conditional: 4, 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: 22, positive: 12, positive conditional: 4, positive unconditional: 8, negative: 10, negative conditional: 4, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1530, Positive cache size: 1441, Positive conditional cache size: 19, Positive unconditional cache size: 1422, Negative cache size: 89, Negative conditional cache size: 22, Negative unconditional cache size: 67, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 87.0ms, 36 PlacesBefore, 35 PlacesAfterwards, 21 TransitionsBefore, 20 TransitionsAfterwards, 12 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 27 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26, positive: 19, positive conditional: 19, 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: 28, positive: 19, positive conditional: 13, positive unconditional: 6, negative: 9, negative conditional: 5, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 28, positive: 19, positive conditional: 13, positive unconditional: 6, negative: 9, negative conditional: 5, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 3, positive conditional: 3, positive unconditional: 0, 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: 2, positive conditional: 0, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 22, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 28, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 7, negative conditional: 3, negative unconditional: 4, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1535, Positive cache size: 1444, Positive conditional cache size: 22, Positive unconditional cache size: 1422, Negative cache size: 91, Negative conditional cache size: 24, Negative unconditional cache size: 67, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 36.1ms, 38 PlacesBefore, 35 PlacesAfterwards, 19 TransitionsBefore, 19 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 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): 1535, Positive cache size: 1444, Positive conditional cache size: 22, Positive unconditional cache size: 1422, Negative cache size: 91, Negative conditional cache size: 24, Negative unconditional cache size: 67, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 456.6ms, 35 PlacesBefore, 26 PlacesAfterwards, 13 TransitionsBefore, 11 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 3 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): 1535, Positive cache size: 1444, Positive conditional cache size: 22, Positive unconditional cache size: 1422, Negative cache size: 91, Negative conditional cache size: 24, Negative unconditional cache size: 67, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.4ms, 18 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): 1535, Positive cache size: 1444, Positive conditional cache size: 22, Positive unconditional cache size: 1422, Negative cache size: 91, Negative conditional cache size: 24, Negative unconditional cache size: 67, 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: 1.5ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 145994.6ms, OverallIterations: 26, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 8677.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 66697.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 279 SDtfs, 404 SDslu, 350 SDs, 0 SdLazy, 4356 SolverSat, 411 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4029.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 294 GetRequests, 28 SyntacticMatches, 24 SemanticMatches, 242 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 329 ImplicationChecksByTransitivity, 4878.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1149occurred in iteration=11, InterpolantAutomatonStates: 196, 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: 55.9ms SsaConstructionTime, 447.0ms SatisfiabilityAnalysisTime, 3900.5ms InterpolantComputationTime, 390 NumberOfCodeBlocks, 390 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 364 ConstructedInterpolants, 0 QuantifiedInterpolants, 7747 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 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...