/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-RepeatedSemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-nondet/nondet-array-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-11 07:53:27,050 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-11 07:53:27,051 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-11 07:53:27,077 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-11 07:53:27,077 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-11 07:53:27,078 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-11 07:53:27,080 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-11 07:53:27,081 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-11 07:53:27,083 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-11 07:53:27,084 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-11 07:53:27,084 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-11 07:53:27,085 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-11 07:53:27,086 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-11 07:53:27,087 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-11 07:53:27,088 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-11 07:53:27,088 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-11 07:53:27,089 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-11 07:53:27,090 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-11 07:53:27,091 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-11 07:53:27,093 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-11 07:53:27,094 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-11 07:53:27,095 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-11 07:53:27,096 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-11 07:53:27,096 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-11 07:53:27,098 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-11 07:53:27,099 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-11 07:53:27,099 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-11 07:53:27,100 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-11 07:53:27,100 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-11 07:53:27,101 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-11 07:53:27,101 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-11 07:53:27,102 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-11 07:53:27,102 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-11 07:53:27,103 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-11 07:53:27,104 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-11 07:53:27,104 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-11 07:53:27,105 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-11 07:53:27,105 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-11 07:53:27,105 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-11 07:53:27,113 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-11 07:53:27,114 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-11 07:53:27,117 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-RepeatedSemanticLbe.epf [2021-06-11 07:53:27,149 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-11 07:53:27,150 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-11 07:53:27,152 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-11 07:53:27,152 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-11 07:53:27,153 INFO L138 SettingsManager]: * Use SBE=true [2021-06-11 07:53:27,153 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-11 07:53:27,153 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-11 07:53:27,153 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-11 07:53:27,153 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-11 07:53:27,153 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-11 07:53:27,154 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-11 07:53:27,154 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-11 07:53:27,155 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-11 07:53:27,155 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-11 07:53:27,155 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-11 07:53:27,155 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-11 07:53:27,155 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-11 07:53:27,155 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-11 07:53:27,155 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-11 07:53:27,156 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-11 07:53:27,156 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-11 07:53:27,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-11 07:53:27,156 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-11 07:53:27,156 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-11 07:53:27,156 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-11 07:53:27,156 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-11 07:53:27,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-11 07:53:27,157 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-11 07:53:27,157 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-11 07:53:27,157 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-11 07:53:27,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-11 07:53:27,470 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-11 07:53:27,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-11 07:53:27,473 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-11 07:53:27,474 INFO L275 PluginConnector]: CDTParser initialized [2021-06-11 07:53:27,474 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-nondet/nondet-array-2.i [2021-06-11 07:53:27,539 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39aa050b7/c1ec8014140b445c8ceb912bb92913d9/FLAG0c8942365 [2021-06-11 07:53:28,012 INFO L306 CDTParser]: Found 1 translation units. [2021-06-11 07:53:28,013 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-nondet/nondet-array-2.i [2021-06-11 07:53:28,024 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39aa050b7/c1ec8014140b445c8ceb912bb92913d9/FLAG0c8942365 [2021-06-11 07:53:28,335 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39aa050b7/c1ec8014140b445c8ceb912bb92913d9 [2021-06-11 07:53:28,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-11 07:53:28,339 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-11 07:53:28,349 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-11 07:53:28,350 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-11 07:53:28,352 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-11 07:53:28,353 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 07:53:28" (1/1) ... [2021-06-11 07:53:28,354 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@540a82a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 07:53:28, skipping insertion in model container [2021-06-11 07:53:28,354 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 07:53:28" (1/1) ... [2021-06-11 07:53:28,362 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-11 07:53:28,398 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-11 07:53:28,752 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-nondet/nondet-array-2.i[30035,30048] [2021-06-11 07:53:28,770 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 07:53:28,779 INFO L203 MainTranslator]: Completed pre-run [2021-06-11 07:53:28,812 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-nondet/nondet-array-2.i[30035,30048] [2021-06-11 07:53:28,828 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 07:53:28,895 INFO L208 MainTranslator]: Completed translation [2021-06-11 07:53:28,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 07:53:28 WrapperNode [2021-06-11 07:53:28,895 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-11 07:53:28,897 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-11 07:53:28,897 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-11 07:53:28,898 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-11 07:53:28,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 07:53:28" (1/1) ... [2021-06-11 07:53:28,936 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 07:53:28" (1/1) ... [2021-06-11 07:53:28,959 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-11 07:53:28,960 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-11 07:53:28,960 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-11 07:53:28,961 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-11 07:53:28,967 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 07:53:28" (1/1) ... [2021-06-11 07:53:28,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 07:53:28" (1/1) ... [2021-06-11 07:53:28,973 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 07:53:28" (1/1) ... [2021-06-11 07:53:28,973 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 07:53:28" (1/1) ... [2021-06-11 07:53:28,989 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 07:53:28" (1/1) ... [2021-06-11 07:53:28,992 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 07:53:28" (1/1) ... [2021-06-11 07:53:28,993 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 07:53:28" (1/1) ... [2021-06-11 07:53:28,995 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-11 07:53:28,996 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-11 07:53:28,996 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-11 07:53:28,996 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-11 07:53:28,997 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 07:53:28" (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 [2021-06-11 07:53:29,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-06-11 07:53:29,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-11 07:53:29,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-11 07:53:29,075 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2021-06-11 07:53:29,075 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2021-06-11 07:53:29,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-11 07:53:29,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-11 07:53:29,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-11 07:53:29,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-11 07:53:29,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-11 07:53:29,077 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-11 07:53:29,446 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-11 07:53:29,446 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-06-11 07:53:29,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 07:53:29 BoogieIcfgContainer [2021-06-11 07:53:29,447 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-11 07:53:29,449 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-11 07:53:29,449 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-11 07:53:29,451 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-11 07:53:29,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.06 07:53:28" (1/3) ... [2021-06-11 07:53:29,452 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b1776c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 07:53:29, skipping insertion in model container [2021-06-11 07:53:29,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 07:53:28" (2/3) ... [2021-06-11 07:53:29,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b1776c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 07:53:29, skipping insertion in model container [2021-06-11 07:53:29,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 07:53:29" (3/3) ... [2021-06-11 07:53:29,454 INFO L111 eAbstractionObserver]: Analyzing ICFG nondet-array-2.i [2021-06-11 07:53:29,459 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-11 07:53:29,463 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-06-11 07:53:29,464 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-11 07:53:29,487 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:29,488 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:29,488 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:29,488 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:29,488 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:29,488 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:29,488 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:29,488 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:29,489 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:29,489 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:29,489 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:29,489 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:29,490 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:29,490 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:29,491 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:29,492 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:29,492 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:29,494 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:29,495 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:29,504 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-06-11 07:53:29,521 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-06-11 07:53:29,549 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 07:53:29,550 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 07:53:29,550 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 07:53:29,550 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 07:53:29,550 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 07:53:29,550 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 07:53:29,550 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 07:53:29,551 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 07:53:29,562 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 72 places, 76 transitions, 160 flow [2021-06-11 07:53:29,613 INFO L129 PetriNetUnfolder]: 12/109 cut-off events. [2021-06-11 07:53:29,614 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-06-11 07:53:29,620 INFO L84 FinitePrefix]: Finished finitePrefix Result has 115 conditions, 109 events. 12/109 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 224 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 60. Up to 4 conditions per place. [2021-06-11 07:53:29,620 INFO L82 GeneralOperation]: Start removeDead. Operand has 72 places, 76 transitions, 160 flow [2021-06-11 07:53:29,625 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 65 places, 68 transitions, 144 flow [2021-06-11 07:53:29,627 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:53:29,637 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 68 transitions, 144 flow [2021-06-11 07:53:29,641 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 68 transitions, 144 flow [2021-06-11 07:53:29,643 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 68 transitions, 144 flow [2021-06-11 07:53:29,670 INFO L129 PetriNetUnfolder]: 10/93 cut-off events. [2021-06-11 07:53:29,670 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-06-11 07:53:29,670 INFO L84 FinitePrefix]: Finished finitePrefix Result has 99 conditions, 93 events. 10/93 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 155 event pairs, 0 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 52. Up to 4 conditions per place. [2021-06-11 07:53:29,673 INFO L151 LiptonReduction]: Number of co-enabled transitions 300 [2021-06-11 07:53:29,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:29,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:29,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:29,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:29,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:29,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:29,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:30,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:30,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:30,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:53:30,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:53:30,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:30,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:30,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:30,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:30,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:30,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:30,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:30,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:30,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:30,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:30,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:30,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:30,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:30,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:30,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:30,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:30,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:30,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:30,326 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size [2021-06-11 07:53:30,330 INFO L147 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size 1 [2021-06-11 07:53:30,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:30,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:30,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:30,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:30,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:30,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:30,556 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-06-11 07:53:30,559 INFO L147 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size 1 [2021-06-11 07:53:30,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:30,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:30,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:30,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:53:30,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:53:30,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:30,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:30,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:30,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:30,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:30,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:30,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:30,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:30,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:30,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:30,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:30,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:53:30,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:53:31,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:31,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:31,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:31,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:31,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:31,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:31,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:31,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:31,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:31,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:31,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:31,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:31,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:31,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:31,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:31,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:31,413 INFO L142 QuantifierPusher]: treesize reduction 3, result has 94.2 percent of original size [2021-06-11 07:53:31,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:31,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:31,424 INFO L147 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size 1 [2021-06-11 07:53:31,426 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 2, 1] term [2021-06-11 07:53:31,427 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 07:53:31,449 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:31,455 INFO L147 QuantifierPusher]: treesize reduction 33, result has 2.9 percent of original size 1 [2021-06-11 07:53:31,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:31,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:31,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:31,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 07:53:31,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 07:53:31,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:31,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-11 07:53:31,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:31,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:32,145 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-06-11 07:53:32,254 INFO L142 QuantifierPusher]: treesize reduction 3, result has 96.8 percent of original size [2021-06-11 07:53:32,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:32,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:32,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:53:32,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:32,264 INFO L142 QuantifierPusher]: treesize reduction 13, result has 53.6 percent of original size [2021-06-11 07:53:32,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:53:32,266 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 2, 1] term [2021-06-11 07:53:32,267 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 07:53:32,268 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:32,276 INFO L147 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size 25 [2021-06-11 07:53:32,541 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 109 [2021-06-11 07:53:32,676 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-06-11 07:53:32,924 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 112 [2021-06-11 07:53:33,033 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-06-11 07:53:33,044 INFO L142 QuantifierPusher]: treesize reduction 3, result has 98.2 percent of original size [2021-06-11 07:53:33,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:33,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:33,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:33,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:33,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 07:53:33,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 07:53:33,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:33,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:33,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:33,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:33,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 07:53:33,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 07:53:33,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:33,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:33,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:33,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:33,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 07:53:33,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 07:53:33,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:33,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:33,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-06-11 07:53:33,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-11 07:53:33,079 INFO L163 LiptonReduction]: Checked pairs total: 207 [2021-06-11 07:53:33,079 INFO L165 LiptonReduction]: Total number of compositions: 61 [2021-06-11 07:53:33,081 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3456 [2021-06-11 07:53:33,093 INFO L129 PetriNetUnfolder]: 1/10 cut-off events. [2021-06-11 07:53:33,093 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 07:53:33,093 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:53:33,094 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2021-06-11 07:53:33,094 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:53:33,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:53:33,099 INFO L82 PathProgramCache]: Analyzing trace with hash 8774644, now seen corresponding path program 1 times [2021-06-11 07:53:33,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:53:33,106 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786691632] [2021-06-11 07:53:33,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:53:33,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:53:33,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:33,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:33,273 INFO L142 QuantifierPusher]: treesize reduction 4, result has 42.9 percent of original size [2021-06-11 07:53:33,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:53:33,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 07:53:33,281 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786691632] [2021-06-11 07:53:33,281 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:53:33,281 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 07:53:33,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542881052] [2021-06-11 07:53:33,288 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 07:53:33,289 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:53:33,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 07:53:33,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 07:53:33,300 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 137 [2021-06-11 07:53:33,302 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 15 places, 14 transitions, 36 flow. Second operand has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:33,302 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:53:33,302 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 137 [2021-06-11 07:53:33,303 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:53:33,322 INFO L129 PetriNetUnfolder]: 3/25 cut-off events. [2021-06-11 07:53:33,322 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-06-11 07:53:33,323 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45 conditions, 25 events. 3/25 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 48 event pairs, 0 based on Foata normal form. 0/17 useless extension candidates. Maximal degree in co-relation 18. Up to 10 conditions per place. [2021-06-11 07:53:33,323 INFO L132 encePairwiseOnDemand]: 134/137 looper letters, 3 selfloop transitions, 2 changer transitions 2/16 dead transitions. [2021-06-11 07:53:33,324 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 17 places, 16 transitions, 54 flow [2021-06-11 07:53:33,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 07:53:33,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 07:53:33,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 335 transitions. [2021-06-11 07:53:33,334 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8150851581508516 [2021-06-11 07:53:33,335 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 335 transitions. [2021-06-11 07:53:33,335 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 335 transitions. [2021-06-11 07:53:33,337 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:53:33,338 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 335 transitions. [2021-06-11 07:53:33,341 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:33,345 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 137.0) internal successors, (548), 4 states have internal predecessors, (548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:33,346 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 137.0) internal successors, (548), 4 states have internal predecessors, (548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:33,347 INFO L185 Difference]: Start difference. First operand has 15 places, 14 transitions, 36 flow. Second operand 3 states and 335 transitions. [2021-06-11 07:53:33,348 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 17 places, 16 transitions, 54 flow [2021-06-11 07:53:33,350 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 17 places, 16 transitions, 54 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-11 07:53:33,351 INFO L241 Difference]: Finished difference. Result has 18 places, 14 transitions, 46 flow [2021-06-11 07:53:33,352 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=36, PETRI_DIFFERENCE_MINUEND_PLACES=15, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=46, PETRI_PLACES=18, PETRI_TRANSITIONS=14} [2021-06-11 07:53:33,353 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 3 predicate places. [2021-06-11 07:53:33,353 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:53:33,353 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 18 places, 14 transitions, 46 flow [2021-06-11 07:53:33,354 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 18 places, 14 transitions, 46 flow [2021-06-11 07:53:33,354 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 17 places, 14 transitions, 46 flow [2021-06-11 07:53:33,356 INFO L129 PetriNetUnfolder]: 3/21 cut-off events. [2021-06-11 07:53:33,357 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-06-11 07:53:33,357 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 21 events. 3/21 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 31 event pairs, 0 based on Foata normal form. 0/17 useless extension candidates. Maximal degree in co-relation 17. Up to 7 conditions per place. [2021-06-11 07:53:33,357 INFO L151 LiptonReduction]: Number of co-enabled transitions 18 [2021-06-11 07:53:33,358 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 07:53:33,358 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:53:33,358 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5 [2021-06-11 07:53:33,359 INFO L480 AbstractCegarLoop]: Abstraction has has 17 places, 14 transitions, 46 flow [2021-06-11 07:53:33,359 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:33,360 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:53:33,360 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-06-11 07:53:33,360 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-11 07:53:33,360 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:53:33,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:53:33,360 INFO L82 PathProgramCache]: Analyzing trace with hash 272014120, now seen corresponding path program 1 times [2021-06-11 07:53:33,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:53:33,361 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079594418] [2021-06-11 07:53:33,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:53:33,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:53:33,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:33,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:53:33,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:33,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:53:33,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:33,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:53:33,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:33,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:33,415 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 07:53:33,415 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079594418] [2021-06-11 07:53:33,415 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:53:33,415 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 07:53:33,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427870777] [2021-06-11 07:53:33,416 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 07:53:33,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:53:33,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 07:53:33,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-11 07:53:33,419 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 137 [2021-06-11 07:53:33,419 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 17 places, 14 transitions, 46 flow. Second operand has 5 states, 5 states have (on average 66.0) internal successors, (330), 5 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:33,419 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:53:33,419 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 137 [2021-06-11 07:53:33,420 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:53:33,458 INFO L129 PetriNetUnfolder]: 1/19 cut-off events. [2021-06-11 07:53:33,458 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-06-11 07:53:33,458 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51 conditions, 19 events. 1/19 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 13 event pairs, 0 based on Foata normal form. 3/19 useless extension candidates. Maximal degree in co-relation 17. Up to 9 conditions per place. [2021-06-11 07:53:33,459 INFO L132 encePairwiseOnDemand]: 130/137 looper letters, 5 selfloop transitions, 6 changer transitions 5/19 dead transitions. [2021-06-11 07:53:33,459 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 20 places, 19 transitions, 94 flow [2021-06-11 07:53:33,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 07:53:33,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 07:53:33,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 278 transitions. [2021-06-11 07:53:33,462 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5072992700729927 [2021-06-11 07:53:33,462 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 278 transitions. [2021-06-11 07:53:33,462 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 278 transitions. [2021-06-11 07:53:33,463 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:53:33,463 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 278 transitions. [2021-06-11 07:53:33,464 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 69.5) internal successors, (278), 4 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:33,465 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 137.0) internal successors, (685), 5 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:33,466 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 137.0) internal successors, (685), 5 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:33,466 INFO L185 Difference]: Start difference. First operand has 17 places, 14 transitions, 46 flow. Second operand 4 states and 278 transitions. [2021-06-11 07:53:33,466 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 20 places, 19 transitions, 94 flow [2021-06-11 07:53:33,467 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 19 places, 19 transitions, 88 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-06-11 07:53:33,467 INFO L241 Difference]: Finished difference. Result has 20 places, 14 transitions, 56 flow [2021-06-11 07:53:33,467 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=16, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=8, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=56, PETRI_PLACES=20, PETRI_TRANSITIONS=14} [2021-06-11 07:53:33,468 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 5 predicate places. [2021-06-11 07:53:33,468 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:53:33,468 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 20 places, 14 transitions, 56 flow [2021-06-11 07:53:33,468 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 20 places, 14 transitions, 56 flow [2021-06-11 07:53:33,469 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 19 places, 14 transitions, 56 flow [2021-06-11 07:53:33,471 INFO L129 PetriNetUnfolder]: 1/16 cut-off events. [2021-06-11 07:53:33,471 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-06-11 07:53:33,471 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36 conditions, 16 events. 1/16 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 8 event pairs, 0 based on Foata normal form. 0/15 useless extension candidates. Maximal degree in co-relation 14. Up to 4 conditions per place. [2021-06-11 07:53:33,471 INFO L151 LiptonReduction]: Number of co-enabled transitions 10 [2021-06-11 07:53:33,472 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 07:53:33,472 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:53:33,472 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4 [2021-06-11 07:53:33,473 INFO L480 AbstractCegarLoop]: Abstraction has has 19 places, 14 transitions, 56 flow [2021-06-11 07:53:33,473 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 66.0) internal successors, (330), 5 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:33,473 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:53:33,474 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-06-11 07:53:33,474 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-11 07:53:33,474 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:53:33,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:53:33,474 INFO L82 PathProgramCache]: Analyzing trace with hash 272394327, now seen corresponding path program 1 times [2021-06-11 07:53:33,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:53:33,475 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154781693] [2021-06-11 07:53:33,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:53:33,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 07:53:33,497 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 07:53:33,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 07:53:33,516 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 07:53:33,532 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-11 07:53:33,532 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-06-11 07:53:33,533 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-11 07:53:33,533 WARN L342 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-06-11 07:53:33,534 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-06-11 07:53:33,540 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:33,540 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:33,540 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:33,540 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:33,540 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:33,540 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:33,540 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:33,541 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:33,541 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:33,541 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:33,541 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:33,541 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:33,541 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:33,541 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:33,541 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:33,542 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:33,542 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:33,542 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:33,542 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:33,542 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:33,542 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:33,542 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:33,542 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:33,542 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:33,542 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:33,542 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:33,543 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:33,543 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:33,543 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:33,544 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:33,544 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:33,544 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:33,544 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:33,545 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:33,545 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:33,546 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:33,546 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:33,546 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:33,548 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-11 07:53:33,548 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-06-11 07:53:33,549 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 07:53:33,549 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 07:53:33,550 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 07:53:33,550 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 07:53:33,550 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 07:53:33,550 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 07:53:33,550 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 07:53:33,550 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 07:53:33,551 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 80 places, 83 transitions, 184 flow [2021-06-11 07:53:33,568 INFO L129 PetriNetUnfolder]: 23/191 cut-off events. [2021-06-11 07:53:33,569 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-06-11 07:53:33,569 INFO L84 FinitePrefix]: Finished finitePrefix Result has 205 conditions, 191 events. 23/191 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 492 event pairs, 0 based on Foata normal form. 0/160 useless extension candidates. Maximal degree in co-relation 111. Up to 8 conditions per place. [2021-06-11 07:53:33,569 INFO L82 GeneralOperation]: Start removeDead. Operand has 80 places, 83 transitions, 184 flow [2021-06-11 07:53:33,570 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 73 places, 75 transitions, 168 flow [2021-06-11 07:53:33,570 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:53:33,570 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 75 transitions, 168 flow [2021-06-11 07:53:33,571 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 75 transitions, 168 flow [2021-06-11 07:53:33,571 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 75 transitions, 168 flow [2021-06-11 07:53:33,584 INFO L129 PetriNetUnfolder]: 19/159 cut-off events. [2021-06-11 07:53:33,584 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-06-11 07:53:33,584 INFO L84 FinitePrefix]: Finished finitePrefix Result has 173 conditions, 159 events. 19/159 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 357 event pairs, 0 based on Foata normal form. 0/136 useless extension candidates. Maximal degree in co-relation 95. Up to 8 conditions per place. [2021-06-11 07:53:33,586 INFO L151 LiptonReduction]: Number of co-enabled transitions 760 [2021-06-11 07:53:33,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:33,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:33,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:33,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:33,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:33,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:33,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:33,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:53:33,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:53:33,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:33,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:33,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:33,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:33,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:33,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:33,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:33,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:33,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:33,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:33,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:33,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:33,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:33,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:33,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:33,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:33,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:33,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:33,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:33,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:34,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:34,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:34,073 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size [2021-06-11 07:53:34,076 INFO L147 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size 1 [2021-06-11 07:53:34,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:34,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:34,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:34,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:34,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:34,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:34,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:34,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:34,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:34,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:53:34,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:53:34,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:34,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:34,325 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-06-11 07:53:34,327 INFO L147 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size 1 [2021-06-11 07:53:34,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:34,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:34,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:34,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:34,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:34,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:34,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:34,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:34,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:34,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:34,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:34,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:53:34,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:53:34,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:34,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:34,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:34,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:34,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:34,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:34,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:34,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:34,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:34,721 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:34,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:34,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:53:34,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:53:34,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:34,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:34,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:34,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:53:34,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:53:34,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:34,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:34,965 INFO L142 QuantifierPusher]: treesize reduction 3, result has 94.2 percent of original size [2021-06-11 07:53:34,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:34,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:34,968 INFO L147 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size 1 [2021-06-11 07:53:34,968 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 2, 1] term [2021-06-11 07:53:34,968 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 07:53:34,970 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:34,972 INFO L147 QuantifierPusher]: treesize reduction 33, result has 2.9 percent of original size 1 [2021-06-11 07:53:35,115 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2021-06-11 07:53:35,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:35,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:35,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:35,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:35,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:35,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 07:53:35,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 07:53:35,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:35,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:35,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:35,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:35,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 07:53:35,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 07:53:35,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:35,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:35,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 07:53:35,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-06-11 07:53:35,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:35,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-11 07:53:35,598 INFO L142 QuantifierPusher]: treesize reduction 3, result has 96.8 percent of original size [2021-06-11 07:53:35,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:35,607 INFO L142 QuantifierPusher]: treesize reduction 13, result has 53.6 percent of original size [2021-06-11 07:53:35,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:53:35,609 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 2, 1] term [2021-06-11 07:53:35,609 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 07:53:35,611 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:35,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:35,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:35,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:53:35,615 INFO L147 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size 25 [2021-06-11 07:53:35,855 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2021-06-11 07:53:35,991 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-06-11 07:53:36,238 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2021-06-11 07:53:36,351 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-06-11 07:53:36,369 INFO L142 QuantifierPusher]: treesize reduction 3, result has 97.2 percent of original size [2021-06-11 07:53:36,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:36,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:36,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:53:36,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:53:36,389 INFO L163 LiptonReduction]: Checked pairs total: 1413 [2021-06-11 07:53:36,389 INFO L165 LiptonReduction]: Total number of compositions: 61 [2021-06-11 07:53:36,389 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2819 [2021-06-11 07:53:36,391 INFO L129 PetriNetUnfolder]: 1/8 cut-off events. [2021-06-11 07:53:36,391 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 07:53:36,391 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:53:36,392 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2021-06-11 07:53:36,392 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:53:36,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:53:36,392 INFO L82 PathProgramCache]: Analyzing trace with hash 13426067, now seen corresponding path program 1 times [2021-06-11 07:53:36,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:53:36,392 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129974328] [2021-06-11 07:53:36,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:53:36,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:53:36,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:36,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:36,418 INFO L142 QuantifierPusher]: treesize reduction 4, result has 42.9 percent of original size [2021-06-11 07:53:36,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:53:36,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 07:53:36,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129974328] [2021-06-11 07:53:36,421 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:53:36,421 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 07:53:36,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899177333] [2021-06-11 07:53:36,421 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 07:53:36,421 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:53:36,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 07:53:36,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 07:53:36,422 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 144 [2021-06-11 07:53:36,423 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 23 places, 21 transitions, 60 flow. Second operand has 3 states, 3 states have (on average 118.0) internal successors, (354), 3 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:36,423 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:53:36,423 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 144 [2021-06-11 07:53:36,423 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:53:36,437 INFO L129 PetriNetUnfolder]: 7/53 cut-off events. [2021-06-11 07:53:36,437 INFO L130 PetriNetUnfolder]: For 6/8 co-relation queries the response was YES. [2021-06-11 07:53:36,438 INFO L84 FinitePrefix]: Finished finitePrefix Result has 93 conditions, 53 events. 7/53 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 136 event pairs, 0 based on Foata normal form. 0/38 useless extension candidates. Maximal degree in co-relation 45. Up to 18 conditions per place. [2021-06-11 07:53:36,438 INFO L132 encePairwiseOnDemand]: 141/144 looper letters, 3 selfloop transitions, 2 changer transitions 2/23 dead transitions. [2021-06-11 07:53:36,438 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 23 transitions, 78 flow [2021-06-11 07:53:36,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 07:53:36,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 07:53:36,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 359 transitions. [2021-06-11 07:53:36,440 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8310185185185185 [2021-06-11 07:53:36,440 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 359 transitions. [2021-06-11 07:53:36,440 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 359 transitions. [2021-06-11 07:53:36,441 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:53:36,441 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 359 transitions. [2021-06-11 07:53:36,442 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:36,443 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 144.0) internal successors, (576), 4 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:36,443 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 144.0) internal successors, (576), 4 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:36,443 INFO L185 Difference]: Start difference. First operand has 23 places, 21 transitions, 60 flow. Second operand 3 states and 359 transitions. [2021-06-11 07:53:36,443 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 23 transitions, 78 flow [2021-06-11 07:53:36,444 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 23 transitions, 78 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-11 07:53:36,445 INFO L241 Difference]: Finished difference. Result has 26 places, 21 transitions, 70 flow [2021-06-11 07:53:36,445 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=70, PETRI_PLACES=26, PETRI_TRANSITIONS=21} [2021-06-11 07:53:36,445 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 3 predicate places. [2021-06-11 07:53:36,445 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:53:36,445 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 26 places, 21 transitions, 70 flow [2021-06-11 07:53:36,445 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 26 places, 21 transitions, 70 flow [2021-06-11 07:53:36,446 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 25 places, 21 transitions, 70 flow [2021-06-11 07:53:36,449 INFO L129 PetriNetUnfolder]: 7/45 cut-off events. [2021-06-11 07:53:36,449 INFO L130 PetriNetUnfolder]: For 10/11 co-relation queries the response was YES. [2021-06-11 07:53:36,450 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 45 events. 7/45 cut-off events. For 10/11 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 99 event pairs, 0 based on Foata normal form. 0/38 useless extension candidates. Maximal degree in co-relation 40. Up to 13 conditions per place. [2021-06-11 07:53:36,450 INFO L151 LiptonReduction]: Number of co-enabled transitions 156 [2021-06-11 07:53:36,468 INFO L163 LiptonReduction]: Checked pairs total: 116 [2021-06-11 07:53:36,468 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:53:36,468 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 23 [2021-06-11 07:53:36,469 INFO L480 AbstractCegarLoop]: Abstraction has has 25 places, 21 transitions, 70 flow [2021-06-11 07:53:36,469 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 118.0) internal successors, (354), 3 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:36,469 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:53:36,469 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-06-11 07:53:36,470 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-11 07:53:36,470 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:53:36,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:53:36,470 INFO L82 PathProgramCache]: Analyzing trace with hash 416208416, now seen corresponding path program 1 times [2021-06-11 07:53:36,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:53:36,470 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74023080] [2021-06-11 07:53:36,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:53:36,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:53:36,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:36,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:53:36,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:36,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:53:36,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:36,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:53:36,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:36,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:36,547 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 07:53:36,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74023080] [2021-06-11 07:53:36,547 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:53:36,547 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 07:53:36,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255632457] [2021-06-11 07:53:36,548 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 07:53:36,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:53:36,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 07:53:36,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-11 07:53:36,549 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 144 [2021-06-11 07:53:36,549 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 21 transitions, 70 flow. Second operand has 5 states, 5 states have (on average 74.0) internal successors, (370), 5 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:36,549 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:53:36,550 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 144 [2021-06-11 07:53:36,550 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:53:36,585 INFO L129 PetriNetUnfolder]: 5/47 cut-off events. [2021-06-11 07:53:36,585 INFO L130 PetriNetUnfolder]: For 13/15 co-relation queries the response was YES. [2021-06-11 07:53:36,585 INFO L84 FinitePrefix]: Finished finitePrefix Result has 117 conditions, 47 events. 5/47 cut-off events. For 13/15 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 99 event pairs, 1 based on Foata normal form. 4/45 useless extension candidates. Maximal degree in co-relation 63. Up to 22 conditions per place. [2021-06-11 07:53:36,586 INFO L132 encePairwiseOnDemand]: 137/144 looper letters, 9 selfloop transitions, 6 changer transitions 3/28 dead transitions. [2021-06-11 07:53:36,586 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 28 transitions, 126 flow [2021-06-11 07:53:36,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 07:53:36,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 07:53:36,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 312 transitions. [2021-06-11 07:53:36,587 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5416666666666666 [2021-06-11 07:53:36,588 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 312 transitions. [2021-06-11 07:53:36,588 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 312 transitions. [2021-06-11 07:53:36,588 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:53:36,588 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 312 transitions. [2021-06-11 07:53:36,589 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 78.0) internal successors, (312), 4 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:36,590 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 144.0) internal successors, (720), 5 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:36,590 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 144.0) internal successors, (720), 5 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:36,590 INFO L185 Difference]: Start difference. First operand has 25 places, 21 transitions, 70 flow. Second operand 4 states and 312 transitions. [2021-06-11 07:53:36,591 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 28 transitions, 126 flow [2021-06-11 07:53:36,591 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 28 transitions, 120 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-06-11 07:53:36,592 INFO L241 Difference]: Finished difference. Result has 29 places, 23 transitions, 94 flow [2021-06-11 07:53:36,592 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=94, PETRI_PLACES=29, PETRI_TRANSITIONS=23} [2021-06-11 07:53:36,592 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 6 predicate places. [2021-06-11 07:53:36,592 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:53:36,593 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 29 places, 23 transitions, 94 flow [2021-06-11 07:53:36,593 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 29 places, 23 transitions, 94 flow [2021-06-11 07:53:36,593 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 28 places, 23 transitions, 94 flow [2021-06-11 07:53:36,597 INFO L129 PetriNetUnfolder]: 5/43 cut-off events. [2021-06-11 07:53:36,597 INFO L130 PetriNetUnfolder]: For 7/8 co-relation queries the response was YES. [2021-06-11 07:53:36,597 INFO L84 FinitePrefix]: Finished finitePrefix Result has 98 conditions, 43 events. 5/43 cut-off events. For 7/8 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 85 event pairs, 1 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 61. Up to 10 conditions per place. [2021-06-11 07:53:36,598 INFO L151 LiptonReduction]: Number of co-enabled transitions 162 [2021-06-11 07:53:36,599 INFO L163 LiptonReduction]: Checked pairs total: 120 [2021-06-11 07:53:36,599 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:53:36,599 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7 [2021-06-11 07:53:36,600 INFO L480 AbstractCegarLoop]: Abstraction has has 28 places, 23 transitions, 94 flow [2021-06-11 07:53:36,600 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 74.0) internal successors, (370), 5 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:36,600 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:53:36,601 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1] [2021-06-11 07:53:36,601 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-11 07:53:36,601 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:53:36,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:53:36,601 INFO L82 PathProgramCache]: Analyzing trace with hash -2062925356, now seen corresponding path program 1 times [2021-06-11 07:53:36,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:53:36,601 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291421077] [2021-06-11 07:53:36,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:53:36,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 07:53:36,617 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 07:53:36,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 07:53:36,628 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 07:53:36,633 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-11 07:53:36,633 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-06-11 07:53:36,633 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-11 07:53:36,634 WARN L342 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-06-11 07:53:36,634 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-06-11 07:53:36,641 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,641 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,642 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,642 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,642 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,642 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,642 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,642 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,642 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,642 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,643 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,643 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,643 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,643 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,643 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,643 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,643 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,643 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,643 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,643 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,644 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,644 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,644 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,644 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,644 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,644 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,644 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,644 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,644 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,644 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,645 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,645 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,645 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,645 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,645 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,645 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,645 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,645 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,645 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,645 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,646 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,646 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,646 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,646 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,646 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,647 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,647 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,648 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,648 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,648 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,648 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,648 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,649 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,649 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,649 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,650 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,650 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:36,652 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-11 07:53:36,652 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-06-11 07:53:36,653 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 07:53:36,653 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 07:53:36,653 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 07:53:36,653 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 07:53:36,654 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 07:53:36,654 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 07:53:36,654 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 07:53:36,654 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 07:53:36,655 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 88 places, 90 transitions, 210 flow [2021-06-11 07:53:36,678 INFO L129 PetriNetUnfolder]: 45/342 cut-off events. [2021-06-11 07:53:36,679 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2021-06-11 07:53:36,679 INFO L84 FinitePrefix]: Finished finitePrefix Result has 370 conditions, 342 events. 45/342 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1152 event pairs, 1 based on Foata normal form. 0/285 useless extension candidates. Maximal degree in co-relation 199. Up to 16 conditions per place. [2021-06-11 07:53:36,679 INFO L82 GeneralOperation]: Start removeDead. Operand has 88 places, 90 transitions, 210 flow [2021-06-11 07:53:36,681 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 81 places, 82 transitions, 194 flow [2021-06-11 07:53:36,681 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:53:36,681 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 82 transitions, 194 flow [2021-06-11 07:53:36,681 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 82 transitions, 194 flow [2021-06-11 07:53:36,682 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 81 places, 82 transitions, 194 flow [2021-06-11 07:53:36,699 INFO L129 PetriNetUnfolder]: 37/278 cut-off events. [2021-06-11 07:53:36,700 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2021-06-11 07:53:36,700 INFO L84 FinitePrefix]: Finished finitePrefix Result has 306 conditions, 278 events. 37/278 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 828 event pairs, 1 based on Foata normal form. 0/237 useless extension candidates. Maximal degree in co-relation 167. Up to 16 conditions per place. [2021-06-11 07:53:36,703 INFO L151 LiptonReduction]: Number of co-enabled transitions 1260 [2021-06-11 07:53:36,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:36,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:36,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:36,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:36,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:36,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:36,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:36,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:36,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:36,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:53:36,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:53:36,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:36,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:36,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:36,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:36,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:36,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:36,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:36,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:36,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:36,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:37,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:37,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:37,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:37,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:37,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:37,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:37,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:37,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:37,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:37,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:37,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:37,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:37,165 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size [2021-06-11 07:53:37,166 INFO L147 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size 1 [2021-06-11 07:53:37,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:37,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:37,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:37,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:37,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:37,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:37,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:37,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:37,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:37,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:37,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:37,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:53:37,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:53:37,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:37,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:37,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:37,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:37,559 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-06-11 07:53:37,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:37,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:37,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:37,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:37,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:37,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:37,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:37,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:37,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:53:37,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:53:37,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:37,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:37,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:37,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:37,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:37,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:37,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:37,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:37,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:37,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 07:53:37,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 07:53:37,971 INFO L142 QuantifierPusher]: treesize reduction 8, result has 33.3 percent of original size [2021-06-11 07:53:37,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:38,033 INFO L142 QuantifierPusher]: treesize reduction 34, result has 40.4 percent of original size [2021-06-11 07:53:38,035 INFO L147 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size 1 [2021-06-11 07:53:38,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:38,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:38,215 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2021-06-11 07:53:38,361 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2021-06-11 07:53:38,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:38,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:38,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:38,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:38,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:38,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 07:53:38,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 07:53:38,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:38,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:38,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:38,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:38,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 07:53:38,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 07:53:38,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:38,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:38,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 07:53:38,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 07:53:38,544 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.3 percent of original size [2021-06-11 07:53:38,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:38,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:38,547 INFO L147 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size 1 [2021-06-11 07:53:38,547 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 2, 1] term [2021-06-11 07:53:38,548 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 07:53:38,549 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:38,552 INFO L147 QuantifierPusher]: treesize reduction 38, result has 2.6 percent of original size 1 [2021-06-11 07:53:38,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:38,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:39,123 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2021-06-11 07:53:39,456 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 113 [2021-06-11 07:53:39,559 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-06-11 07:53:39,563 INFO L142 QuantifierPusher]: treesize reduction 3, result has 96.8 percent of original size [2021-06-11 07:53:39,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:39,566 INFO L142 QuantifierPusher]: treesize reduction 13, result has 53.6 percent of original size [2021-06-11 07:53:39,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:53:39,568 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 2, 1] term [2021-06-11 07:53:39,568 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 07:53:39,570 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:39,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:39,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:39,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:53:39,573 INFO L147 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size 25 [2021-06-11 07:53:39,580 INFO L163 LiptonReduction]: Checked pairs total: 2377 [2021-06-11 07:53:39,580 INFO L165 LiptonReduction]: Total number of compositions: 67 [2021-06-11 07:53:39,580 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2899 [2021-06-11 07:53:39,582 INFO L129 PetriNetUnfolder]: 1/8 cut-off events. [2021-06-11 07:53:39,582 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 07:53:39,582 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:53:39,582 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2021-06-11 07:53:39,583 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:53:39,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:53:39,583 INFO L82 PathProgramCache]: Analyzing trace with hash 18470887, now seen corresponding path program 1 times [2021-06-11 07:53:39,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:53:39,583 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498016259] [2021-06-11 07:53:39,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:53:39,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:53:39,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:39,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:39,599 INFO L142 QuantifierPusher]: treesize reduction 9, result has 25.0 percent of original size [2021-06-11 07:53:39,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:53:39,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 07:53:39,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498016259] [2021-06-11 07:53:39,618 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:53:39,618 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 07:53:39,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549074052] [2021-06-11 07:53:39,618 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 07:53:39,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:53:39,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 07:53:39,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 07:53:39,619 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 157 [2021-06-11 07:53:39,620 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 26 transitions, 82 flow. Second operand has 3 states, 3 states have (on average 129.0) internal successors, (387), 3 states have internal predecessors, (387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:39,620 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:53:39,620 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 157 [2021-06-11 07:53:39,620 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:53:39,640 INFO L129 PetriNetUnfolder]: 16/100 cut-off events. [2021-06-11 07:53:39,641 INFO L130 PetriNetUnfolder]: For 19/22 co-relation queries the response was YES. [2021-06-11 07:53:39,641 INFO L84 FinitePrefix]: Finished finitePrefix Result has 178 conditions, 100 events. 16/100 cut-off events. For 19/22 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 292 event pairs, 1 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 91. Up to 34 conditions per place. [2021-06-11 07:53:39,641 INFO L132 encePairwiseOnDemand]: 154/157 looper letters, 3 selfloop transitions, 2 changer transitions 2/28 dead transitions. [2021-06-11 07:53:39,641 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 28 transitions, 100 flow [2021-06-11 07:53:39,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 07:53:39,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 07:53:39,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 392 transitions. [2021-06-11 07:53:39,646 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.832271762208068 [2021-06-11 07:53:39,646 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 392 transitions. [2021-06-11 07:53:39,646 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 392 transitions. [2021-06-11 07:53:39,646 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:53:39,646 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 392 transitions. [2021-06-11 07:53:39,647 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 130.66666666666666) internal successors, (392), 3 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:39,648 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 157.0) internal successors, (628), 4 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:39,649 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 157.0) internal successors, (628), 4 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:39,649 INFO L185 Difference]: Start difference. First operand has 29 places, 26 transitions, 82 flow. Second operand 3 states and 392 transitions. [2021-06-11 07:53:39,649 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 28 transitions, 100 flow [2021-06-11 07:53:39,650 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 28 transitions, 100 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-11 07:53:39,651 INFO L241 Difference]: Finished difference. Result has 32 places, 26 transitions, 92 flow [2021-06-11 07:53:39,651 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=92, PETRI_PLACES=32, PETRI_TRANSITIONS=26} [2021-06-11 07:53:39,651 INFO L343 CegarLoopForPetriNet]: 29 programPoint places, 3 predicate places. [2021-06-11 07:53:39,651 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:53:39,651 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 32 places, 26 transitions, 92 flow [2021-06-11 07:53:39,651 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 32 places, 26 transitions, 92 flow [2021-06-11 07:53:39,652 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 31 places, 26 transitions, 92 flow [2021-06-11 07:53:39,657 INFO L129 PetriNetUnfolder]: 16/84 cut-off events. [2021-06-11 07:53:39,657 INFO L130 PetriNetUnfolder]: For 27/28 co-relation queries the response was YES. [2021-06-11 07:53:39,657 INFO L84 FinitePrefix]: Finished finitePrefix Result has 154 conditions, 84 events. 16/84 cut-off events. For 27/28 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 214 event pairs, 1 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 79. Up to 25 conditions per place. [2021-06-11 07:53:39,658 INFO L151 LiptonReduction]: Number of co-enabled transitions 288 [2021-06-11 07:53:39,661 INFO L163 LiptonReduction]: Checked pairs total: 228 [2021-06-11 07:53:39,661 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:53:39,661 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10 [2021-06-11 07:53:39,662 INFO L480 AbstractCegarLoop]: Abstraction has has 31 places, 26 transitions, 92 flow [2021-06-11 07:53:39,662 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 129.0) internal successors, (387), 3 states have internal predecessors, (387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:39,662 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:53:39,662 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-06-11 07:53:39,663 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-06-11 07:53:39,663 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:53:39,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:53:39,663 INFO L82 PathProgramCache]: Analyzing trace with hash 572598150, now seen corresponding path program 1 times [2021-06-11 07:53:39,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:53:39,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240119926] [2021-06-11 07:53:39,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:53:39,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:53:39,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:39,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:53:39,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:39,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:53:39,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:39,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:53:39,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:39,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:39,713 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 07:53:39,713 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240119926] [2021-06-11 07:53:39,713 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:53:39,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 07:53:39,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624236362] [2021-06-11 07:53:39,713 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 07:53:39,713 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:53:39,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 07:53:39,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-11 07:53:39,715 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 157 [2021-06-11 07:53:39,715 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 26 transitions, 92 flow. Second operand has 5 states, 5 states have (on average 83.0) internal successors, (415), 5 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:39,716 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:53:39,716 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 157 [2021-06-11 07:53:39,716 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:53:39,758 INFO L129 PetriNetUnfolder]: 15/92 cut-off events. [2021-06-11 07:53:39,758 INFO L130 PetriNetUnfolder]: For 33/35 co-relation queries the response was YES. [2021-06-11 07:53:39,759 INFO L84 FinitePrefix]: Finished finitePrefix Result has 230 conditions, 92 events. 15/92 cut-off events. For 33/35 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 280 event pairs, 4 based on Foata normal form. 5/86 useless extension candidates. Maximal degree in co-relation 120. Up to 46 conditions per place. [2021-06-11 07:53:39,760 INFO L132 encePairwiseOnDemand]: 150/157 looper letters, 9 selfloop transitions, 6 changer transitions 3/33 dead transitions. [2021-06-11 07:53:39,760 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 33 transitions, 148 flow [2021-06-11 07:53:39,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 07:53:39,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 07:53:39,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 348 transitions. [2021-06-11 07:53:39,762 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.554140127388535 [2021-06-11 07:53:39,762 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 348 transitions. [2021-06-11 07:53:39,762 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 348 transitions. [2021-06-11 07:53:39,762 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:53:39,762 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 348 transitions. [2021-06-11 07:53:39,764 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 87.0) internal successors, (348), 4 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:39,765 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 157.0) internal successors, (785), 5 states have internal predecessors, (785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:39,765 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 157.0) internal successors, (785), 5 states have internal predecessors, (785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:39,765 INFO L185 Difference]: Start difference. First operand has 31 places, 26 transitions, 92 flow. Second operand 4 states and 348 transitions. [2021-06-11 07:53:39,766 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 33 transitions, 148 flow [2021-06-11 07:53:39,768 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 33 transitions, 142 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-06-11 07:53:39,769 INFO L241 Difference]: Finished difference. Result has 35 places, 28 transitions, 116 flow [2021-06-11 07:53:39,770 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=116, PETRI_PLACES=35, PETRI_TRANSITIONS=28} [2021-06-11 07:53:39,770 INFO L343 CegarLoopForPetriNet]: 29 programPoint places, 6 predicate places. [2021-06-11 07:53:39,770 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:53:39,770 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 28 transitions, 116 flow [2021-06-11 07:53:39,770 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 35 places, 28 transitions, 116 flow [2021-06-11 07:53:39,771 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 34 places, 28 transitions, 116 flow [2021-06-11 07:53:39,779 INFO L129 PetriNetUnfolder]: 15/87 cut-off events. [2021-06-11 07:53:39,779 INFO L130 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2021-06-11 07:53:39,781 INFO L84 FinitePrefix]: Finished finitePrefix Result has 198 conditions, 87 events. 15/87 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 263 event pairs, 4 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 120. Up to 22 conditions per place. [2021-06-11 07:53:39,782 INFO L151 LiptonReduction]: Number of co-enabled transitions 312 [2021-06-11 07:53:39,803 INFO L163 LiptonReduction]: Checked pairs total: 244 [2021-06-11 07:53:39,804 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:53:39,804 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 34 [2021-06-11 07:53:39,804 INFO L480 AbstractCegarLoop]: Abstraction has has 34 places, 28 transitions, 116 flow [2021-06-11 07:53:39,805 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 83.0) internal successors, (415), 5 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:39,805 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:53:39,805 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1] [2021-06-11 07:53:39,805 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-06-11 07:53:39,805 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:53:39,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:53:39,805 INFO L82 PathProgramCache]: Analyzing trace with hash -1458114131, now seen corresponding path program 1 times [2021-06-11 07:53:39,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:53:39,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991117197] [2021-06-11 07:53:39,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:53:39,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 07:53:39,817 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 07:53:39,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 07:53:39,828 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 07:53:39,832 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-11 07:53:39,832 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-06-11 07:53:39,832 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-06-11 07:53:39,833 WARN L342 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2021-06-11 07:53:39,833 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2021-06-11 07:53:39,841 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,841 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,841 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,841 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,842 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,842 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,842 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,842 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,842 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,842 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,842 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,842 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,842 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,842 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,842 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,843 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,843 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,843 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,843 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,843 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,843 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,843 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,843 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,843 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,843 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,843 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,843 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,843 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,844 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,844 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,844 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,844 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,844 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,844 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,844 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,844 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,844 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,844 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,844 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,844 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,844 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,845 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,845 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,845 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,845 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,845 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,845 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,845 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,845 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,845 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,845 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,845 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,845 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,845 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,846 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,846 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,846 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,846 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,846 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,846 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,846 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,847 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,847 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,847 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,847 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,848 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,848 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,848 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,848 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,849 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,849 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,849 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,850 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,850 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,850 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,850 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:39,853 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-11 07:53:39,853 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-06-11 07:53:39,854 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 07:53:39,854 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 07:53:39,854 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 07:53:39,854 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 07:53:39,854 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 07:53:39,854 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 07:53:39,854 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 07:53:39,854 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 07:53:39,856 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 96 places, 97 transitions, 238 flow [2021-06-11 07:53:39,895 INFO L129 PetriNetUnfolder]: 91/633 cut-off events. [2021-06-11 07:53:39,896 INFO L130 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2021-06-11 07:53:39,897 INFO L84 FinitePrefix]: Finished finitePrefix Result has 688 conditions, 633 events. 91/633 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 2861 event pairs, 6 based on Foata normal form. 0/526 useless extension candidates. Maximal degree in co-relation 362. Up to 32 conditions per place. [2021-06-11 07:53:39,897 INFO L82 GeneralOperation]: Start removeDead. Operand has 96 places, 97 transitions, 238 flow [2021-06-11 07:53:39,899 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 89 places, 89 transitions, 222 flow [2021-06-11 07:53:39,899 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:53:39,899 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 89 places, 89 transitions, 222 flow [2021-06-11 07:53:39,899 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 89 places, 89 transitions, 222 flow [2021-06-11 07:53:39,900 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 89 places, 89 transitions, 222 flow [2021-06-11 07:53:39,931 INFO L129 PetriNetUnfolder]: 75/505 cut-off events. [2021-06-11 07:53:39,931 INFO L130 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2021-06-11 07:53:39,932 INFO L84 FinitePrefix]: Finished finitePrefix Result has 560 conditions, 505 events. 75/505 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1996 event pairs, 6 based on Foata normal form. 0/430 useless extension candidates. Maximal degree in co-relation 298. Up to 32 conditions per place. [2021-06-11 07:53:39,936 INFO L151 LiptonReduction]: Number of co-enabled transitions 1840 [2021-06-11 07:53:39,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:39,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:40,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:40,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:40,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:40,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:40,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:40,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:53:40,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:53:40,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:40,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:40,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:40,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:40,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:40,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:40,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:40,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:40,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:40,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:40,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:40,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:40,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:40,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:40,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:40,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:40,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:40,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:40,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:40,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:40,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:40,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:40,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:40,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:40,402 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size [2021-06-11 07:53:40,404 INFO L147 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size 1 [2021-06-11 07:53:40,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:40,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:40,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:40,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:40,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:40,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:40,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:40,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:40,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:40,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:40,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:40,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:40,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:40,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:53:40,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:53:40,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:40,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:40,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:40,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:40,767 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-06-11 07:53:40,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:40,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:40,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:40,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:40,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:40,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:40,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:40,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:40,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:53:40,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:53:40,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:40,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:41,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:41,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:41,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:41,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:53:41,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:53:41,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:41,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:41,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:41,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:41,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:41,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 07:53:41,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 07:53:41,196 INFO L142 QuantifierPusher]: treesize reduction 8, result has 33.3 percent of original size [2021-06-11 07:53:41,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:41,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:41,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:41,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:41,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:41,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:41,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:41,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:41,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:53:41,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:53:41,598 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-06-11 07:53:41,599 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 1] term [2021-06-11 07:53:41,599 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 07:53:41,600 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:41,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:53:41,769 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2021-06-11 07:53:42,008 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2021-06-11 07:53:42,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:42,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:42,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:42,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:42,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:42,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 07:53:42,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 07:53:42,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:42,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:42,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:42,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:42,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 07:53:42,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 07:53:42,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:42,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:42,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:42,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:42,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 07:53:42,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 07:53:42,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:42,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:42,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-06-11 07:53:42,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-11 07:53:42,246 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-06-11 07:53:42,370 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-06-11 07:53:42,623 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2021-06-11 07:53:42,755 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-06-11 07:53:42,758 INFO L142 QuantifierPusher]: treesize reduction 3, result has 95.2 percent of original size [2021-06-11 07:53:42,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:42,759 INFO L142 QuantifierPusher]: treesize reduction 13, result has 53.6 percent of original size [2021-06-11 07:53:42,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:53:42,761 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 2, 1] term [2021-06-11 07:53:42,761 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 07:53:42,762 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:42,763 INFO L147 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size 11 [2021-06-11 07:53:42,769 INFO L163 LiptonReduction]: Checked pairs total: 3986 [2021-06-11 07:53:42,770 INFO L165 LiptonReduction]: Total number of compositions: 68 [2021-06-11 07:53:42,770 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2871 [2021-06-11 07:53:42,771 INFO L129 PetriNetUnfolder]: 1/8 cut-off events. [2021-06-11 07:53:42,772 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 07:53:42,772 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:53:42,772 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2021-06-11 07:53:42,772 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:53:42,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:53:42,772 INFO L82 PathProgramCache]: Analyzing trace with hash 23765767, now seen corresponding path program 1 times [2021-06-11 07:53:42,772 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:53:42,772 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423732065] [2021-06-11 07:53:42,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:53:42,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:53:42,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:42,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:42,786 INFO L142 QuantifierPusher]: treesize reduction 9, result has 25.0 percent of original size [2021-06-11 07:53:42,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:53:42,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 07:53:42,788 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423732065] [2021-06-11 07:53:42,788 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:53:42,789 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 07:53:42,789 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195676696] [2021-06-11 07:53:42,789 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 07:53:42,789 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:53:42,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 07:53:42,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 07:53:42,790 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 165 [2021-06-11 07:53:42,790 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 31 transitions, 106 flow. Second operand has 3 states, 3 states have (on average 135.0) internal successors, (405), 3 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:42,790 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:53:42,791 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 165 [2021-06-11 07:53:42,791 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:53:42,814 INFO L129 PetriNetUnfolder]: 37/191 cut-off events. [2021-06-11 07:53:42,815 INFO L130 PetriNetUnfolder]: For 48/52 co-relation queries the response was YES. [2021-06-11 07:53:42,815 INFO L84 FinitePrefix]: Finished finitePrefix Result has 344 conditions, 191 events. 37/191 cut-off events. For 48/52 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 720 event pairs, 6 based on Foata normal form. 0/138 useless extension candidates. Maximal degree in co-relation 176. Up to 66 conditions per place. [2021-06-11 07:53:42,816 INFO L132 encePairwiseOnDemand]: 162/165 looper letters, 3 selfloop transitions, 2 changer transitions 2/33 dead transitions. [2021-06-11 07:53:42,816 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 33 transitions, 124 flow [2021-06-11 07:53:42,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 07:53:42,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 07:53:42,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 410 transitions. [2021-06-11 07:53:42,817 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8282828282828283 [2021-06-11 07:53:42,817 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 410 transitions. [2021-06-11 07:53:42,818 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 410 transitions. [2021-06-11 07:53:42,818 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:53:42,818 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 410 transitions. [2021-06-11 07:53:42,819 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 136.66666666666666) internal successors, (410), 3 states have internal predecessors, (410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:42,820 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 165.0) internal successors, (660), 4 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:42,820 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 165.0) internal successors, (660), 4 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:42,820 INFO L185 Difference]: Start difference. First operand has 35 places, 31 transitions, 106 flow. Second operand 3 states and 410 transitions. [2021-06-11 07:53:42,820 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 33 transitions, 124 flow [2021-06-11 07:53:42,821 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 33 transitions, 124 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-11 07:53:42,821 INFO L241 Difference]: Finished difference. Result has 38 places, 31 transitions, 116 flow [2021-06-11 07:53:42,821 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=165, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=116, PETRI_PLACES=38, PETRI_TRANSITIONS=31} [2021-06-11 07:53:42,822 INFO L343 CegarLoopForPetriNet]: 35 programPoint places, 3 predicate places. [2021-06-11 07:53:42,822 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:53:42,822 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 38 places, 31 transitions, 116 flow [2021-06-11 07:53:42,822 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 38 places, 31 transitions, 116 flow [2021-06-11 07:53:42,822 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 31 transitions, 116 flow [2021-06-11 07:53:42,831 INFO L129 PetriNetUnfolder]: 37/159 cut-off events. [2021-06-11 07:53:42,831 INFO L130 PetriNetUnfolder]: For 64/67 co-relation queries the response was YES. [2021-06-11 07:53:42,831 INFO L84 FinitePrefix]: Finished finitePrefix Result has 296 conditions, 159 events. 37/159 cut-off events. For 64/67 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 533 event pairs, 6 based on Foata normal form. 0/138 useless extension candidates. Maximal degree in co-relation 152. Up to 49 conditions per place. [2021-06-11 07:53:42,833 INFO L151 LiptonReduction]: Number of co-enabled transitions 456 [2021-06-11 07:53:42,835 INFO L163 LiptonReduction]: Checked pairs total: 376 [2021-06-11 07:53:42,835 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:53:42,835 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 13 [2021-06-11 07:53:42,836 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 31 transitions, 116 flow [2021-06-11 07:53:42,836 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 135.0) internal successors, (405), 3 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:42,836 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:53:42,836 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-06-11 07:53:42,836 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-06-11 07:53:42,836 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:53:42,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:53:42,837 INFO L82 PathProgramCache]: Analyzing trace with hash 736739603, now seen corresponding path program 1 times [2021-06-11 07:53:42,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:53:42,837 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828090150] [2021-06-11 07:53:42,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:53:42,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:53:42,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:42,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:53:42,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:42,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:53:42,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:42,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:53:42,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:42,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:42,866 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 07:53:42,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828090150] [2021-06-11 07:53:42,866 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:53:42,866 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 07:53:42,866 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538921516] [2021-06-11 07:53:42,867 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 07:53:42,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:53:42,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 07:53:42,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-11 07:53:42,868 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 165 [2021-06-11 07:53:42,868 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 31 transitions, 116 flow. Second operand has 5 states, 5 states have (on average 92.0) internal successors, (460), 5 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:42,868 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:53:42,868 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 165 [2021-06-11 07:53:42,868 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:53:42,920 INFO L129 PetriNetUnfolder]: 38/175 cut-off events. [2021-06-11 07:53:42,921 INFO L130 PetriNetUnfolder]: For 74/78 co-relation queries the response was YES. [2021-06-11 07:53:42,921 INFO L84 FinitePrefix]: Finished finitePrefix Result has 440 conditions, 175 events. 38/175 cut-off events. For 74/78 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 686 event pairs, 12 based on Foata normal form. 6/161 useless extension candidates. Maximal degree in co-relation 229. Up to 91 conditions per place. [2021-06-11 07:53:42,922 INFO L132 encePairwiseOnDemand]: 158/165 looper letters, 9 selfloop transitions, 6 changer transitions 3/38 dead transitions. [2021-06-11 07:53:42,922 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 38 transitions, 172 flow [2021-06-11 07:53:42,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 07:53:42,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 07:53:42,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 384 transitions. [2021-06-11 07:53:42,927 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5818181818181818 [2021-06-11 07:53:42,927 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 384 transitions. [2021-06-11 07:53:42,927 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 384 transitions. [2021-06-11 07:53:42,928 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:53:42,928 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 384 transitions. [2021-06-11 07:53:42,929 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 96.0) internal successors, (384), 4 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:42,930 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 165.0) internal successors, (825), 5 states have internal predecessors, (825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:42,930 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 165.0) internal successors, (825), 5 states have internal predecessors, (825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:42,930 INFO L185 Difference]: Start difference. First operand has 37 places, 31 transitions, 116 flow. Second operand 4 states and 384 transitions. [2021-06-11 07:53:42,930 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 38 transitions, 172 flow [2021-06-11 07:53:42,932 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 38 transitions, 166 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-06-11 07:53:42,933 INFO L241 Difference]: Finished difference. Result has 41 places, 33 transitions, 140 flow [2021-06-11 07:53:42,933 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=165, PETRI_DIFFERENCE_MINUEND_FLOW=112, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=140, PETRI_PLACES=41, PETRI_TRANSITIONS=33} [2021-06-11 07:53:42,933 INFO L343 CegarLoopForPetriNet]: 35 programPoint places, 6 predicate places. [2021-06-11 07:53:42,933 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:53:42,933 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 33 transitions, 140 flow [2021-06-11 07:53:42,933 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 33 transitions, 140 flow [2021-06-11 07:53:42,934 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 33 transitions, 140 flow [2021-06-11 07:53:42,946 INFO L129 PetriNetUnfolder]: 38/169 cut-off events. [2021-06-11 07:53:42,946 INFO L130 PetriNetUnfolder]: For 59/61 co-relation queries the response was YES. [2021-06-11 07:53:42,946 INFO L84 FinitePrefix]: Finished finitePrefix Result has 384 conditions, 169 events. 38/169 cut-off events. For 59/61 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 649 event pairs, 12 based on Foata normal form. 0/154 useless extension candidates. Maximal degree in co-relation 225. Up to 46 conditions per place. [2021-06-11 07:53:42,948 INFO L151 LiptonReduction]: Number of co-enabled transitions 486 [2021-06-11 07:53:42,951 INFO L163 LiptonReduction]: Checked pairs total: 396 [2021-06-11 07:53:42,951 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:53:42,951 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 18 [2021-06-11 07:53:42,951 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 33 transitions, 140 flow [2021-06-11 07:53:42,952 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 92.0) internal successors, (460), 5 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:42,952 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:53:42,952 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:53:42,952 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-06-11 07:53:42,952 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:53:42,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:53:42,952 INFO L82 PathProgramCache]: Analyzing trace with hash 3124450, now seen corresponding path program 1 times [2021-06-11 07:53:42,952 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:53:42,953 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285776219] [2021-06-11 07:53:42,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:53:42,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:53:43,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:43,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 07:53:43,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:43,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:53:43,019 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-06-11 07:53:43,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 07:53:43,029 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size [2021-06-11 07:53:43,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 07:53:43,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:43,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 07:53:43,053 INFO L142 QuantifierPusher]: treesize reduction 18, result has 68.4 percent of original size [2021-06-11 07:53:43,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 07:53:43,079 INFO L142 QuantifierPusher]: treesize reduction 4, result has 42.9 percent of original size [2021-06-11 07:53:43,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:53:43,085 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-11 07:53:43,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285776219] [2021-06-11 07:53:43,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1236384243] [2021-06-11 07:53:43,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 07:53:43,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:53:43,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-11 07:53:43,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 07:53:43,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:43,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 07:53:43,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:43,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 07:53:43,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:43,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:53:43,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:43,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:53:43,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:43,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:53:43,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:43,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:53:43,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:43,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:53:43,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:43,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:53:43,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:43,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:53:43,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:43,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:53:43,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:43,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:53:43,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:43,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:53:43,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:43,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:53:43,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:43,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:53:43,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:43,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:53:43,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:43,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:53:43,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:43,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:53:43,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:43,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:53:43,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:43,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:53:43,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:43,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:53:43,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:43,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:53:43,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:43,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:53:43,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:43,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:53:43,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:43,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:53:43,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:43,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:43,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:43,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:53:43,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 07:53:43,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:43,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:43,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:43,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:53:43,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 07:53:43,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:43,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:53:43,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:43,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:53:43,272 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-06-11 07:53:43,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:43,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:43,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:53:43,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 07:53:43,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:43,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:43,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:43,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:43,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:43,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:53:43,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 07:53:43,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 07:53:43,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:43,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:43,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:43,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:43,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:43,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:43,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:43,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:43,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:43,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:43,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:43,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:43,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:43,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:43,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:43,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:43,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:43,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:43,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:43,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:43,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:43,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:43,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:43,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:43,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:43,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:43,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:43,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:43,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:43,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:43,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:43,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:43,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:43,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:43,306 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-11 07:53:43,306 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 07:53:43,306 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 3] total 10 [2021-06-11 07:53:43,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789893688] [2021-06-11 07:53:43,306 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-11 07:53:43,306 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:53:43,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-11 07:53:43,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-06-11 07:53:43,308 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 165 [2021-06-11 07:53:43,309 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 33 transitions, 140 flow. Second operand has 11 states, 11 states have (on average 66.36363636363636) internal successors, (730), 11 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:43,309 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:53:43,309 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 165 [2021-06-11 07:53:43,309 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:53:44,032 INFO L129 PetriNetUnfolder]: 1728/3131 cut-off events. [2021-06-11 07:53:44,032 INFO L130 PetriNetUnfolder]: For 1160/1160 co-relation queries the response was YES. [2021-06-11 07:53:44,040 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7393 conditions, 3131 events. 1728/3131 cut-off events. For 1160/1160 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 19624 event pairs, 243 based on Foata normal form. 4/3004 useless extension candidates. Maximal degree in co-relation 4299. Up to 1944 conditions per place. [2021-06-11 07:53:44,054 INFO L132 encePairwiseOnDemand]: 153/165 looper letters, 60 selfloop transitions, 46 changer transitions 0/119 dead transitions. [2021-06-11 07:53:44,054 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 119 transitions, 616 flow [2021-06-11 07:53:44,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-11 07:53:44,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-06-11 07:53:44,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 1262 transitions. [2021-06-11 07:53:44,059 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4249158249158249 [2021-06-11 07:53:44,059 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 1262 transitions. [2021-06-11 07:53:44,059 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 1262 transitions. [2021-06-11 07:53:44,060 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:53:44,060 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 1262 transitions. [2021-06-11 07:53:44,063 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 70.11111111111111) internal successors, (1262), 18 states have internal predecessors, (1262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:44,066 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 165.0) internal successors, (3135), 19 states have internal predecessors, (3135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:44,067 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 165.0) internal successors, (3135), 19 states have internal predecessors, (3135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:44,067 INFO L185 Difference]: Start difference. First operand has 40 places, 33 transitions, 140 flow. Second operand 18 states and 1262 transitions. [2021-06-11 07:53:44,067 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 119 transitions, 616 flow [2021-06-11 07:53:44,075 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 119 transitions, 592 flow, removed 4 selfloop flow, removed 2 redundant places. [2021-06-11 07:53:44,078 INFO L241 Difference]: Finished difference. Result has 65 places, 81 transitions, 461 flow [2021-06-11 07:53:44,079 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=165, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=461, PETRI_PLACES=65, PETRI_TRANSITIONS=81} [2021-06-11 07:53:44,079 INFO L343 CegarLoopForPetriNet]: 35 programPoint places, 30 predicate places. [2021-06-11 07:53:44,079 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:53:44,079 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 81 transitions, 461 flow [2021-06-11 07:53:44,079 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 81 transitions, 461 flow [2021-06-11 07:53:44,080 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 81 transitions, 461 flow [2021-06-11 07:53:44,162 INFO L129 PetriNetUnfolder]: 383/1015 cut-off events. [2021-06-11 07:53:44,162 INFO L130 PetriNetUnfolder]: For 615/663 co-relation queries the response was YES. [2021-06-11 07:53:44,167 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2832 conditions, 1015 events. 383/1015 cut-off events. For 615/663 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 6811 event pairs, 54 based on Foata normal form. 12/930 useless extension candidates. Maximal degree in co-relation 2635. Up to 249 conditions per place. [2021-06-11 07:53:44,178 INFO L151 LiptonReduction]: Number of co-enabled transitions 906 [2021-06-11 07:53:44,264 INFO L163 LiptonReduction]: Checked pairs total: 1931 [2021-06-11 07:53:44,264 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:53:44,264 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 185 [2021-06-11 07:53:44,266 INFO L480 AbstractCegarLoop]: Abstraction has has 65 places, 81 transitions, 461 flow [2021-06-11 07:53:44,267 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 66.36363636363636) internal successors, (730), 11 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:44,267 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:53:44,267 INFO L263 CegarLoopForPetriNet]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1] [2021-06-11 07:53:44,480 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 07:53:44,481 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:53:44,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:53:44,481 INFO L82 PathProgramCache]: Analyzing trace with hash -616944947, now seen corresponding path program 1 times [2021-06-11 07:53:44,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:53:44,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057385102] [2021-06-11 07:53:44,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:53:44,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 07:53:44,504 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 07:53:44,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 07:53:44,525 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 07:53:44,537 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-11 07:53:44,537 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-06-11 07:53:44,537 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-06-11 07:53:44,537 WARN L342 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2021-06-11 07:53:44,538 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2021-06-11 07:53:44,556 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,556 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,556 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,557 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,557 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,557 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,557 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,557 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,557 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,557 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,557 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,557 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,557 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,558 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,558 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,558 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,558 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,558 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,558 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,558 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,558 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,558 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,558 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,558 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,558 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,559 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,559 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,559 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,559 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,559 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,559 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,559 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,559 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,559 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,559 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,559 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,560 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,560 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,560 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,560 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,560 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,560 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,560 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,560 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,560 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,560 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,560 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,561 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,561 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,561 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,561 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,561 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,561 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,561 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,561 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,561 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,561 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,561 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,562 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,562 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,562 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,562 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,562 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,562 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,562 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,562 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,562 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,562 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,562 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,563 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,563 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,563 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,563 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,563 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,563 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,564 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,565 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,565 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,565 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,565 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,566 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,566 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,566 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,566 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,567 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,567 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,568 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,568 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,568 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,568 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,569 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,569 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,569 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,569 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,569 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:44,573 INFO L149 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2021-06-11 07:53:44,574 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-06-11 07:53:44,577 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 07:53:44,577 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 07:53:44,577 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 07:53:44,577 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 07:53:44,577 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 07:53:44,577 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 07:53:44,577 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 07:53:44,577 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 07:53:44,580 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 104 places, 104 transitions, 268 flow [2021-06-11 07:53:44,660 INFO L129 PetriNetUnfolder]: 189/1208 cut-off events. [2021-06-11 07:53:44,660 INFO L130 PetriNetUnfolder]: For 110/110 co-relation queries the response was YES. [2021-06-11 07:53:44,664 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1319 conditions, 1208 events. 189/1208 cut-off events. For 110/110 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 7037 event pairs, 23 based on Foata normal form. 0/1003 useless extension candidates. Maximal degree in co-relation 678. Up to 80 conditions per place. [2021-06-11 07:53:44,664 INFO L82 GeneralOperation]: Start removeDead. Operand has 104 places, 104 transitions, 268 flow [2021-06-11 07:53:44,667 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 97 places, 96 transitions, 252 flow [2021-06-11 07:53:44,668 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:53:44,668 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 97 places, 96 transitions, 252 flow [2021-06-11 07:53:44,668 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 97 places, 96 transitions, 252 flow [2021-06-11 07:53:44,668 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 97 places, 96 transitions, 252 flow [2021-06-11 07:53:44,731 INFO L129 PetriNetUnfolder]: 157/952 cut-off events. [2021-06-11 07:53:44,731 INFO L130 PetriNetUnfolder]: For 110/110 co-relation queries the response was YES. [2021-06-11 07:53:44,733 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1063 conditions, 952 events. 157/952 cut-off events. For 110/110 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 4910 event pairs, 23 based on Foata normal form. 0/811 useless extension candidates. Maximal degree in co-relation 550. Up to 80 conditions per place. [2021-06-11 07:53:44,745 INFO L151 LiptonReduction]: Number of co-enabled transitions 2500 [2021-06-11 07:53:44,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:44,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:44,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:44,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:44,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:44,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:44,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:44,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:53:44,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:53:44,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:44,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:44,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:44,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:44,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:44,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:44,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:44,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:44,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:44,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:45,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:45,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:45,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:45,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:45,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:45,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:45,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:45,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:45,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:45,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:45,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:45,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:45,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:45,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:45,289 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size [2021-06-11 07:53:45,291 INFO L147 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size 1 [2021-06-11 07:53:45,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:45,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:45,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:45,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:45,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:45,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:45,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:45,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:45,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:45,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:45,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:45,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:45,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:45,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:45,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:45,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:53:45,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:53:45,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:45,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:45,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:45,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:45,727 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-06-11 07:53:45,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:45,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:45,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:45,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:45,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:45,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:45,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:45,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:45,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:53:45,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:53:45,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:45,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:45,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:45,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:46,048 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size [2021-06-11 07:53:46,049 INFO L147 QuantifierPusher]: treesize reduction 10, result has 9.1 percent of original size 1 [2021-06-11 07:53:46,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:46,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:46,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:46,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:46,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:46,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:46,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:46,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 07:53:46,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 07:53:46,239 INFO L142 QuantifierPusher]: treesize reduction 8, result has 33.3 percent of original size [2021-06-11 07:53:46,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:46,411 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.4 percent of original size [2021-06-11 07:53:46,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:46,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:46,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:53:46,421 INFO L147 QuantifierPusher]: treesize reduction 12, result has 53.8 percent of original size 14 [2021-06-11 07:53:46,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:46,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:46,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:46,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:46,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:46,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 07:53:46,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 07:53:46,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:46,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:46,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:46,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:46,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 07:53:46,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 07:53:46,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:46,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:46,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 07:53:46,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 07:53:46,890 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-06-11 07:53:46,892 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 1] term [2021-06-11 07:53:46,892 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 07:53:46,892 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:46,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:53:47,158 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 113 [2021-06-11 07:53:47,525 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2021-06-11 07:53:47,632 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-06-11 07:53:47,636 INFO L142 QuantifierPusher]: treesize reduction 3, result has 97.5 percent of original size [2021-06-11 07:53:47,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:47,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:47,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:53:47,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:53:47,665 INFO L163 LiptonReduction]: Checked pairs total: 5796 [2021-06-11 07:53:47,665 INFO L165 LiptonReduction]: Total number of compositions: 69 [2021-06-11 07:53:47,665 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2997 [2021-06-11 07:53:47,666 INFO L129 PetriNetUnfolder]: 1/9 cut-off events. [2021-06-11 07:53:47,667 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 07:53:47,667 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:53:47,667 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2021-06-11 07:53:47,667 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:53:47,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:53:47,667 INFO L82 PathProgramCache]: Analyzing trace with hash 29309804, now seen corresponding path program 1 times [2021-06-11 07:53:47,667 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:53:47,667 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809056251] [2021-06-11 07:53:47,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:53:47,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:53:47,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:47,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:47,679 INFO L142 QuantifierPusher]: treesize reduction 9, result has 25.0 percent of original size [2021-06-11 07:53:47,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:53:47,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 07:53:47,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809056251] [2021-06-11 07:53:47,705 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:53:47,705 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 07:53:47,705 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423675018] [2021-06-11 07:53:47,706 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 07:53:47,706 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:53:47,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 07:53:47,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 07:53:47,707 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 173 [2021-06-11 07:53:47,707 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 36 transitions, 132 flow. Second operand has 3 states, 3 states have (on average 144.0) internal successors, (432), 3 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:47,707 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:53:47,707 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 173 [2021-06-11 07:53:47,707 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:53:47,743 INFO L129 PetriNetUnfolder]: 86/374 cut-off events. [2021-06-11 07:53:47,743 INFO L130 PetriNetUnfolder]: For 110/115 co-relation queries the response was YES. [2021-06-11 07:53:47,744 INFO L84 FinitePrefix]: Finished finitePrefix Result has 679 conditions, 374 events. 86/374 cut-off events. For 110/115 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1802 event pairs, 23 based on Foata normal form. 0/272 useless extension candidates. Maximal degree in co-relation 342. Up to 130 conditions per place. [2021-06-11 07:53:47,745 INFO L132 encePairwiseOnDemand]: 170/173 looper letters, 3 selfloop transitions, 2 changer transitions 2/38 dead transitions. [2021-06-11 07:53:47,745 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 38 transitions, 150 flow [2021-06-11 07:53:47,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 07:53:47,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 07:53:47,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 437 transitions. [2021-06-11 07:53:47,747 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8420038535645472 [2021-06-11 07:53:47,747 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 437 transitions. [2021-06-11 07:53:47,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 437 transitions. [2021-06-11 07:53:47,747 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:53:47,748 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 437 transitions. [2021-06-11 07:53:47,749 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 145.66666666666666) internal successors, (437), 3 states have internal predecessors, (437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:47,749 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 173.0) internal successors, (692), 4 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:47,750 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 173.0) internal successors, (692), 4 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:47,750 INFO L185 Difference]: Start difference. First operand has 41 places, 36 transitions, 132 flow. Second operand 3 states and 437 transitions. [2021-06-11 07:53:47,750 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 38 transitions, 150 flow [2021-06-11 07:53:47,751 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 38 transitions, 150 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-11 07:53:47,751 INFO L241 Difference]: Finished difference. Result has 44 places, 36 transitions, 142 flow [2021-06-11 07:53:47,752 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=173, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=142, PETRI_PLACES=44, PETRI_TRANSITIONS=36} [2021-06-11 07:53:47,752 INFO L343 CegarLoopForPetriNet]: 41 programPoint places, 3 predicate places. [2021-06-11 07:53:47,753 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:53:47,753 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 36 transitions, 142 flow [2021-06-11 07:53:47,753 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 36 transitions, 142 flow [2021-06-11 07:53:47,753 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 36 transitions, 142 flow [2021-06-11 07:53:47,771 INFO L129 PetriNetUnfolder]: 86/310 cut-off events. [2021-06-11 07:53:47,771 INFO L130 PetriNetUnfolder]: For 142/145 co-relation queries the response was YES. [2021-06-11 07:53:47,772 INFO L84 FinitePrefix]: Finished finitePrefix Result has 583 conditions, 310 events. 86/310 cut-off events. For 142/145 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1297 event pairs, 23 based on Foata normal form. 0/272 useless extension candidates. Maximal degree in co-relation 294. Up to 97 conditions per place. [2021-06-11 07:53:47,775 INFO L151 LiptonReduction]: Number of co-enabled transitions 660 [2021-06-11 07:53:47,778 INFO L163 LiptonReduction]: Checked pairs total: 560 [2021-06-11 07:53:47,778 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:53:47,778 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 25 [2021-06-11 07:53:47,778 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 36 transitions, 142 flow [2021-06-11 07:53:47,779 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 144.0) internal successors, (432), 3 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:47,779 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:53:47,779 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-06-11 07:53:47,779 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-06-11 07:53:47,779 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:53:47,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:53:47,779 INFO L82 PathProgramCache]: Analyzing trace with hash 908604654, now seen corresponding path program 1 times [2021-06-11 07:53:47,779 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:53:47,779 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145209735] [2021-06-11 07:53:47,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:53:47,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:53:47,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:47,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:53:47,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:47,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:53:47,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:47,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:53:47,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:47,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:47,807 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 07:53:47,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145209735] [2021-06-11 07:53:47,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:53:47,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 07:53:47,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755085023] [2021-06-11 07:53:47,810 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 07:53:47,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:53:47,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 07:53:47,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-11 07:53:47,811 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 173 [2021-06-11 07:53:47,811 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 36 transitions, 142 flow. Second operand has 5 states, 5 states have (on average 101.0) internal successors, (505), 5 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:47,811 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:53:47,811 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 173 [2021-06-11 07:53:47,811 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:53:47,861 INFO L129 PetriNetUnfolder]: 90/336 cut-off events. [2021-06-11 07:53:47,861 INFO L130 PetriNetUnfolder]: For 157/161 co-relation queries the response was YES. [2021-06-11 07:53:47,862 INFO L84 FinitePrefix]: Finished finitePrefix Result has 847 conditions, 336 events. 90/336 cut-off events. For 157/161 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1537 event pairs, 33 based on Foata normal form. 7/306 useless extension candidates. Maximal degree in co-relation 439. Up to 177 conditions per place. [2021-06-11 07:53:47,863 INFO L132 encePairwiseOnDemand]: 166/173 looper letters, 9 selfloop transitions, 6 changer transitions 3/43 dead transitions. [2021-06-11 07:53:47,863 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 43 transitions, 198 flow [2021-06-11 07:53:47,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 07:53:47,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 07:53:47,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 420 transitions. [2021-06-11 07:53:47,865 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6069364161849711 [2021-06-11 07:53:47,865 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 420 transitions. [2021-06-11 07:53:47,865 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 420 transitions. [2021-06-11 07:53:47,866 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:53:47,866 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 420 transitions. [2021-06-11 07:53:47,867 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 105.0) internal successors, (420), 4 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:47,868 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 173.0) internal successors, (865), 5 states have internal predecessors, (865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:47,868 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 173.0) internal successors, (865), 5 states have internal predecessors, (865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:47,868 INFO L185 Difference]: Start difference. First operand has 43 places, 36 transitions, 142 flow. Second operand 4 states and 420 transitions. [2021-06-11 07:53:47,868 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 43 transitions, 198 flow [2021-06-11 07:53:47,870 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 43 transitions, 192 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-06-11 07:53:47,871 INFO L241 Difference]: Finished difference. Result has 47 places, 38 transitions, 166 flow [2021-06-11 07:53:47,871 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=173, PETRI_DIFFERENCE_MINUEND_FLOW=138, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=166, PETRI_PLACES=47, PETRI_TRANSITIONS=38} [2021-06-11 07:53:47,872 INFO L343 CegarLoopForPetriNet]: 41 programPoint places, 6 predicate places. [2021-06-11 07:53:47,872 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:53:47,872 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 38 transitions, 166 flow [2021-06-11 07:53:47,872 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 38 transitions, 166 flow [2021-06-11 07:53:47,873 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 38 transitions, 166 flow [2021-06-11 07:53:47,892 INFO L129 PetriNetUnfolder]: 90/329 cut-off events. [2021-06-11 07:53:47,892 INFO L130 PetriNetUnfolder]: For 136/139 co-relation queries the response was YES. [2021-06-11 07:53:47,893 INFO L84 FinitePrefix]: Finished finitePrefix Result has 744 conditions, 329 events. 90/329 cut-off events. For 136/139 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1504 event pairs, 33 based on Foata normal form. 0/298 useless extension candidates. Maximal degree in co-relation 424. Up to 94 conditions per place. [2021-06-11 07:53:47,897 INFO L151 LiptonReduction]: Number of co-enabled transitions 696 [2021-06-11 07:53:47,901 INFO L163 LiptonReduction]: Checked pairs total: 584 [2021-06-11 07:53:47,901 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:53:47,901 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 29 [2021-06-11 07:53:47,903 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 38 transitions, 166 flow [2021-06-11 07:53:47,904 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 101.0) internal successors, (505), 5 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:47,904 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:53:47,904 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:53:47,904 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-06-11 07:53:47,904 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:53:47,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:53:47,904 INFO L82 PathProgramCache]: Analyzing trace with hash -92445676, now seen corresponding path program 1 times [2021-06-11 07:53:47,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:53:47,905 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830010091] [2021-06-11 07:53:47,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:53:47,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:53:47,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:47,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 07:53:47,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:47,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:53:47,958 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-06-11 07:53:47,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 07:53:47,969 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size [2021-06-11 07:53:47,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 07:53:47,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:47,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 07:53:47,993 INFO L142 QuantifierPusher]: treesize reduction 18, result has 68.4 percent of original size [2021-06-11 07:53:47,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 07:53:48,014 INFO L142 QuantifierPusher]: treesize reduction 4, result has 42.9 percent of original size [2021-06-11 07:53:48,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:53:48,021 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 07:53:48,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830010091] [2021-06-11 07:53:48,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1848443958] [2021-06-11 07:53:48,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 07:53:48,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:53:48,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-11 07:53:48,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 07:53:48,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:48,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 07:53:48,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:48,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 07:53:48,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:48,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:53:48,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:48,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:53:48,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:48,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:53:48,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:48,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:53:48,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:48,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:53:48,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:48,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:53:48,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:48,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:53:48,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:48,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:53:48,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:48,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:53:48,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:48,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:53:48,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:48,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:48,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:48,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:53:48,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 07:53:48,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:48,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:48,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:48,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:53:48,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 07:53:48,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:48,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:53:48,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:48,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:53:48,147 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-06-11 07:53:48,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:48,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:48,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:53:48,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 07:53:48,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:48,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:48,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:48,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:48,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:48,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:53:48,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 07:53:48,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 07:53:48,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:48,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:48,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:48,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:48,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:48,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:48,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:48,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:48,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:48,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:48,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:48,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:48,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:48,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:48,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:48,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:48,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:48,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:48,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:48,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:48,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:48,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:48,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:48,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:48,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:48,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:48,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:48,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:48,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:48,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:48,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:48,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:48,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:48,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:48,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:48,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:48,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:48,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:48,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:48,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:48,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:48,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:48,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:48,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:48,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:48,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:48,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:48,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:48,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:48,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:48,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:48,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:48,169 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-11 07:53:48,170 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 07:53:48,170 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 3] total 10 [2021-06-11 07:53:48,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397718461] [2021-06-11 07:53:48,170 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-11 07:53:48,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:53:48,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-11 07:53:48,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-06-11 07:53:48,172 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 173 [2021-06-11 07:53:48,173 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 38 transitions, 166 flow. Second operand has 11 states, 11 states have (on average 74.36363636363636) internal successors, (818), 11 states have internal predecessors, (818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:48,173 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:53:48,173 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 173 [2021-06-11 07:53:48,173 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:53:49,411 INFO L129 PetriNetUnfolder]: 5967/9717 cut-off events. [2021-06-11 07:53:49,411 INFO L130 PetriNetUnfolder]: For 3253/3253 co-relation queries the response was YES. [2021-06-11 07:53:49,447 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23088 conditions, 9717 events. 5967/9717 cut-off events. For 3253/3253 co-relation queries the response was YES. Maximal size of possible extension queue 419. Compared 66252 event pairs, 1493 based on Foata normal form. 4/9301 useless extension candidates. Maximal degree in co-relation 12119. Up to 6279 conditions per place. [2021-06-11 07:53:49,500 INFO L132 encePairwiseOnDemand]: 160/173 looper letters, 63 selfloop transitions, 53 changer transitions 0/133 dead transitions. [2021-06-11 07:53:49,500 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 133 transitions, 686 flow [2021-06-11 07:53:49,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-11 07:53:49,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-06-11 07:53:49,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 1416 transitions. [2021-06-11 07:53:49,505 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45472061657032753 [2021-06-11 07:53:49,505 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 1416 transitions. [2021-06-11 07:53:49,505 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 1416 transitions. [2021-06-11 07:53:49,506 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:53:49,506 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 1416 transitions. [2021-06-11 07:53:49,509 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 78.66666666666667) internal successors, (1416), 18 states have internal predecessors, (1416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:49,513 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 173.0) internal successors, (3287), 19 states have internal predecessors, (3287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:49,514 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 173.0) internal successors, (3287), 19 states have internal predecessors, (3287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:49,514 INFO L185 Difference]: Start difference. First operand has 46 places, 38 transitions, 166 flow. Second operand 18 states and 1416 transitions. [2021-06-11 07:53:49,514 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 133 transitions, 686 flow [2021-06-11 07:53:49,550 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 133 transitions, 662 flow, removed 4 selfloop flow, removed 2 redundant places. [2021-06-11 07:53:49,552 INFO L241 Difference]: Finished difference. Result has 71 places, 95 transitions, 533 flow [2021-06-11 07:53:49,552 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=173, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=533, PETRI_PLACES=71, PETRI_TRANSITIONS=95} [2021-06-11 07:53:49,552 INFO L343 CegarLoopForPetriNet]: 41 programPoint places, 30 predicate places. [2021-06-11 07:53:49,553 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:53:49,553 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 95 transitions, 533 flow [2021-06-11 07:53:49,553 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 95 transitions, 533 flow [2021-06-11 07:53:49,554 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 71 places, 95 transitions, 533 flow [2021-06-11 07:53:49,764 INFO L129 PetriNetUnfolder]: 1420/3130 cut-off events. [2021-06-11 07:53:49,764 INFO L130 PetriNetUnfolder]: For 1564/1744 co-relation queries the response was YES. [2021-06-11 07:53:49,781 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8237 conditions, 3130 events. 1420/3130 cut-off events. For 1564/1744 co-relation queries the response was YES. Maximal size of possible extension queue 220. Compared 24287 event pairs, 276 based on Foata normal form. 39/2834 useless extension candidates. Maximal degree in co-relation 6670. Up to 729 conditions per place. [2021-06-11 07:53:49,853 INFO L151 LiptonReduction]: Number of co-enabled transitions 1340 [2021-06-11 07:53:50,741 INFO L163 LiptonReduction]: Checked pairs total: 3065 [2021-06-11 07:53:50,741 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:53:50,741 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1188 [2021-06-11 07:53:50,742 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 95 transitions, 533 flow [2021-06-11 07:53:50,742 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 74.36363636363636) internal successors, (818), 11 states have internal predecessors, (818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:50,742 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:53:50,742 INFO L263 CegarLoopForPetriNet]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:53:50,944 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-06-11 07:53:50,944 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:53:50,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:53:50,945 INFO L82 PathProgramCache]: Analyzing trace with hash 1121218662, now seen corresponding path program 1 times [2021-06-11 07:53:50,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:53:50,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279837758] [2021-06-11 07:53:50,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:53:50,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 07:53:50,954 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 07:53:50,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 07:53:50,964 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 07:53:50,969 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-11 07:53:50,969 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-06-11 07:53:50,969 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-06-11 07:53:50,969 WARN L342 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2021-06-11 07:53:50,969 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2021-06-11 07:53:50,982 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,982 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,982 WARN L313 ript$VariableManager]: TermVariabe thrThread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,982 WARN L313 ript$VariableManager]: TermVariabe thrThread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,982 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,982 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,982 WARN L313 ript$VariableManager]: TermVariabe thrThread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,982 WARN L313 ript$VariableManager]: TermVariabe thrThread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,982 WARN L313 ript$VariableManager]: TermVariabe thrThread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,983 WARN L313 ript$VariableManager]: TermVariabe thrThread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,983 WARN L313 ript$VariableManager]: TermVariabe thrThread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,983 WARN L313 ript$VariableManager]: TermVariabe thrThread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,983 WARN L313 ript$VariableManager]: TermVariabe thrThread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,983 WARN L313 ript$VariableManager]: TermVariabe thrThread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,983 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,983 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,983 WARN L313 ript$VariableManager]: TermVariabe thrThread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,984 WARN L313 ript$VariableManager]: TermVariabe thrThread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,984 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,985 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,985 WARN L313 ript$VariableManager]: TermVariabe thrThread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,985 WARN L313 ript$VariableManager]: TermVariabe thrThread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,985 WARN L313 ript$VariableManager]: TermVariabe thrThread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,985 WARN L313 ript$VariableManager]: TermVariabe thrThread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,985 WARN L313 ript$VariableManager]: TermVariabe thrThread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,985 WARN L313 ript$VariableManager]: TermVariabe thrThread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,985 WARN L313 ript$VariableManager]: TermVariabe thrThread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,985 WARN L313 ript$VariableManager]: TermVariabe thrThread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,985 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,985 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,986 WARN L313 ript$VariableManager]: TermVariabe thrThread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,986 WARN L313 ript$VariableManager]: TermVariabe thrThread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,986 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,986 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,986 WARN L313 ript$VariableManager]: TermVariabe thrThread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,986 WARN L313 ript$VariableManager]: TermVariabe thrThread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,986 WARN L313 ript$VariableManager]: TermVariabe thrThread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,986 WARN L313 ript$VariableManager]: TermVariabe thrThread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,986 WARN L313 ript$VariableManager]: TermVariabe thrThread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,986 WARN L313 ript$VariableManager]: TermVariabe thrThread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,986 WARN L313 ript$VariableManager]: TermVariabe thrThread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,986 WARN L313 ript$VariableManager]: TermVariabe thrThread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,986 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,986 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,987 WARN L313 ript$VariableManager]: TermVariabe thrThread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,987 WARN L313 ript$VariableManager]: TermVariabe thrThread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,987 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,987 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,987 WARN L313 ript$VariableManager]: TermVariabe thrThread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,987 WARN L313 ript$VariableManager]: TermVariabe thrThread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,987 WARN L313 ript$VariableManager]: TermVariabe thrThread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,987 WARN L313 ript$VariableManager]: TermVariabe thrThread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,987 WARN L313 ript$VariableManager]: TermVariabe thrThread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,987 WARN L313 ript$VariableManager]: TermVariabe thrThread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,987 WARN L313 ript$VariableManager]: TermVariabe thrThread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,987 WARN L313 ript$VariableManager]: TermVariabe thrThread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,988 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,988 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,988 WARN L313 ript$VariableManager]: TermVariabe thrThread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,988 WARN L313 ript$VariableManager]: TermVariabe thrThread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,988 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,988 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,988 WARN L313 ript$VariableManager]: TermVariabe thrThread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,989 WARN L313 ript$VariableManager]: TermVariabe thrThread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,989 WARN L313 ript$VariableManager]: TermVariabe thrThread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,989 WARN L313 ript$VariableManager]: TermVariabe thrThread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,989 WARN L313 ript$VariableManager]: TermVariabe thrThread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,989 WARN L313 ript$VariableManager]: TermVariabe thrThread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,989 WARN L313 ript$VariableManager]: TermVariabe thrThread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,989 WARN L313 ript$VariableManager]: TermVariabe thrThread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,990 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,990 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,990 WARN L313 ript$VariableManager]: TermVariabe thrThread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,990 WARN L313 ript$VariableManager]: TermVariabe thrThread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,990 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,990 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,990 WARN L313 ript$VariableManager]: TermVariabe thrThread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,990 WARN L313 ript$VariableManager]: TermVariabe thrThread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,990 WARN L313 ript$VariableManager]: TermVariabe thrThread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,990 WARN L313 ript$VariableManager]: TermVariabe thrThread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,990 WARN L313 ript$VariableManager]: TermVariabe thrThread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,990 WARN L313 ript$VariableManager]: TermVariabe thrThread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,991 WARN L313 ript$VariableManager]: TermVariabe thrThread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,991 WARN L313 ript$VariableManager]: TermVariabe thrThread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,991 WARN L313 ript$VariableManager]: TermVariabe thrThread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,991 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,991 WARN L313 ript$VariableManager]: TermVariabe thrThread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,991 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,991 WARN L313 ript$VariableManager]: TermVariabe thrThread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,992 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,992 WARN L313 ript$VariableManager]: TermVariabe thrThread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,992 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,992 WARN L313 ript$VariableManager]: TermVariabe thrThread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,992 WARN L313 ript$VariableManager]: TermVariabe thrThread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,993 WARN L313 ript$VariableManager]: TermVariabe thrThread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,993 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,993 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,993 WARN L313 ript$VariableManager]: TermVariabe thrThread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,994 WARN L313 ript$VariableManager]: TermVariabe thrThread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,994 WARN L313 ript$VariableManager]: TermVariabe thrThread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,994 WARN L313 ript$VariableManager]: TermVariabe thrThread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,995 WARN L313 ript$VariableManager]: TermVariabe thrThread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,995 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,995 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,996 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,996 WARN L313 ript$VariableManager]: TermVariabe thrThread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,996 WARN L313 ript$VariableManager]: TermVariabe thrThread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,996 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,996 WARN L313 ript$VariableManager]: TermVariabe thrThread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,997 WARN L313 ript$VariableManager]: TermVariabe thrThread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,997 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,997 WARN L313 ript$VariableManager]: TermVariabe thrThread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,997 WARN L313 ript$VariableManager]: TermVariabe thrThread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:50,997 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:53:51,001 INFO L149 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2021-06-11 07:53:51,002 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-06-11 07:53:51,002 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 07:53:51,002 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 07:53:51,002 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 07:53:51,002 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 07:53:51,002 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 07:53:51,002 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 07:53:51,003 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 07:53:51,003 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 07:53:51,003 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 112 places, 111 transitions, 300 flow [2021-06-11 07:53:51,165 INFO L129 PetriNetUnfolder]: 399/2359 cut-off events. [2021-06-11 07:53:51,165 INFO L130 PetriNetUnfolder]: For 242/242 co-relation queries the response was YES. [2021-06-11 07:53:51,174 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2591 conditions, 2359 events. 399/2359 cut-off events. For 242/242 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 16763 event pairs, 72 based on Foata normal form. 0/1960 useless extension candidates. Maximal degree in co-relation 1307. Up to 192 conditions per place. [2021-06-11 07:53:51,174 INFO L82 GeneralOperation]: Start removeDead. Operand has 112 places, 111 transitions, 300 flow [2021-06-11 07:53:51,184 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 105 places, 103 transitions, 284 flow [2021-06-11 07:53:51,184 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:53:51,184 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 105 places, 103 transitions, 284 flow [2021-06-11 07:53:51,185 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 105 places, 103 transitions, 284 flow [2021-06-11 07:53:51,185 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 103 transitions, 284 flow [2021-06-11 07:53:51,305 INFO L129 PetriNetUnfolder]: 335/1847 cut-off events. [2021-06-11 07:53:51,305 INFO L130 PetriNetUnfolder]: For 242/242 co-relation queries the response was YES. [2021-06-11 07:53:51,311 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2079 conditions, 1847 events. 335/1847 cut-off events. For 242/242 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 12095 event pairs, 72 based on Foata normal form. 0/1576 useless extension candidates. Maximal degree in co-relation 1051. Up to 192 conditions per place. [2021-06-11 07:53:51,330 INFO L151 LiptonReduction]: Number of co-enabled transitions 3240 [2021-06-11 07:53:51,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:51,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:51,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:51,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:51,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:51,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:51,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:51,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:51,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:51,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:51,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:51,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:51,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:51,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:51,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:51,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:51,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:51,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:51,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:51,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:51,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:51,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:51,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:51,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:53:51,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:53:51,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:51,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:51,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:51,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:51,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:51,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:51,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:51,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:51,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:51,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:51,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:51,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:53:51,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:53:51,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:51,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:51,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:51,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:51,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:51,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:52,010 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size [2021-06-11 07:53:52,011 INFO L147 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size 1 [2021-06-11 07:53:52,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:52,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:52,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:52,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:52,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:52,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:52,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:52,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:53:52,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:53:52,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:52,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:52,254 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-06-11 07:53:52,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:52,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:52,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:52,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:52,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:52,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:52,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 07:53:52,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 07:53:52,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:52,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:52,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:52,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:52,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 07:53:52,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 07:53:52,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:52,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:52,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 07:53:52,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 07:53:52,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:52,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:52,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:52,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:52,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:52,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:52,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:52,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:52,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:52,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:52,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:52,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:53:52,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:53:52,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:52,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:52,746 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size [2021-06-11 07:53:52,748 INFO L147 QuantifierPusher]: treesize reduction 10, result has 9.1 percent of original size 1 [2021-06-11 07:53:52,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:52,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:52,934 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2021-06-11 07:53:53,080 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2021-06-11 07:53:53,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:53,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:53,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:53,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:53,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:53,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 07:53:53,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 07:53:53,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:53,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:53,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:53,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:53,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 07:53:53,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 07:53:53,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:53,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:53,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 07:53:53,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-06-11 07:53:53,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:53,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:53,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:53,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:53,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:53,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:53,259 INFO L142 QuantifierPusher]: treesize reduction 8, result has 33.3 percent of original size [2021-06-11 07:53:53,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:53,445 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.4 percent of original size [2021-06-11 07:53:53,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:53,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:53,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:53:53,457 INFO L147 QuantifierPusher]: treesize reduction 12, result has 53.8 percent of original size 14 [2021-06-11 07:53:53,734 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-06-11 07:53:53,734 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 1] term [2021-06-11 07:53:53,734 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 07:53:53,735 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:53,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:53:53,963 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2021-06-11 07:53:54,066 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-06-11 07:53:54,318 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2021-06-11 07:53:54,429 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-06-11 07:53:54,445 INFO L142 QuantifierPusher]: treesize reduction 3, result has 97.5 percent of original size [2021-06-11 07:53:54,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:54,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:54,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:53:54,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:53:54,459 INFO L163 LiptonReduction]: Checked pairs total: 7695 [2021-06-11 07:53:54,459 INFO L165 LiptonReduction]: Total number of compositions: 71 [2021-06-11 07:53:54,460 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3276 [2021-06-11 07:53:54,461 INFO L129 PetriNetUnfolder]: 1/8 cut-off events. [2021-06-11 07:53:54,461 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 07:53:54,461 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:53:54,461 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2021-06-11 07:53:54,461 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:53:54,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:53:54,462 INFO L82 PathProgramCache]: Analyzing trace with hash 35124944, now seen corresponding path program 1 times [2021-06-11 07:53:54,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:53:54,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616330862] [2021-06-11 07:53:54,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:53:54,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:53:54,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:54,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:54,476 INFO L142 QuantifierPusher]: treesize reduction 4, result has 42.9 percent of original size [2021-06-11 07:53:54,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:53:54,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 07:53:54,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616330862] [2021-06-11 07:53:54,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:53:54,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 07:53:54,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356956923] [2021-06-11 07:53:54,479 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 07:53:54,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:53:54,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 07:53:54,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 07:53:54,480 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 182 [2021-06-11 07:53:54,481 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 41 transitions, 160 flow. Second operand has 3 states, 3 states have (on average 153.0) internal successors, (459), 3 states have internal predecessors, (459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:54,481 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:53:54,481 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 182 [2021-06-11 07:53:54,481 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:53:54,543 INFO L129 PetriNetUnfolder]: 199/749 cut-off events. [2021-06-11 07:53:54,543 INFO L130 PetriNetUnfolder]: For 242/248 co-relation queries the response was YES. [2021-06-11 07:53:54,545 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1367 conditions, 749 events. 199/749 cut-off events. For 242/248 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 4383 event pairs, 72 based on Foata normal form. 0/550 useless extension candidates. Maximal degree in co-relation 677. Up to 258 conditions per place. [2021-06-11 07:53:54,547 INFO L132 encePairwiseOnDemand]: 179/182 looper letters, 3 selfloop transitions, 2 changer transitions 2/43 dead transitions. [2021-06-11 07:53:54,547 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 43 transitions, 178 flow [2021-06-11 07:53:54,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 07:53:54,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 07:53:54,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 464 transitions. [2021-06-11 07:53:54,549 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8498168498168498 [2021-06-11 07:53:54,549 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 464 transitions. [2021-06-11 07:53:54,549 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 464 transitions. [2021-06-11 07:53:54,550 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:53:54,550 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 464 transitions. [2021-06-11 07:53:54,551 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 154.66666666666666) internal successors, (464), 3 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:54,552 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 182.0) internal successors, (728), 4 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:54,552 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 182.0) internal successors, (728), 4 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:54,552 INFO L185 Difference]: Start difference. First operand has 47 places, 41 transitions, 160 flow. Second operand 3 states and 464 transitions. [2021-06-11 07:53:54,552 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 43 transitions, 178 flow [2021-06-11 07:53:54,553 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 43 transitions, 178 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-11 07:53:54,554 INFO L241 Difference]: Finished difference. Result has 50 places, 41 transitions, 170 flow [2021-06-11 07:53:54,554 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=182, PETRI_DIFFERENCE_MINUEND_FLOW=160, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=170, PETRI_PLACES=50, PETRI_TRANSITIONS=41} [2021-06-11 07:53:54,554 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, 3 predicate places. [2021-06-11 07:53:54,554 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:53:54,554 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 41 transitions, 170 flow [2021-06-11 07:53:54,555 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 41 transitions, 170 flow [2021-06-11 07:53:54,555 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 49 places, 41 transitions, 170 flow [2021-06-11 07:53:54,586 INFO L129 PetriNetUnfolder]: 199/621 cut-off events. [2021-06-11 07:53:54,586 INFO L130 PetriNetUnfolder]: For 306/306 co-relation queries the response was YES. [2021-06-11 07:53:54,588 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1175 conditions, 621 events. 199/621 cut-off events. For 306/306 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 3174 event pairs, 72 based on Foata normal form. 0/550 useless extension candidates. Maximal degree in co-relation 590. Up to 193 conditions per place. [2021-06-11 07:53:54,593 INFO L151 LiptonReduction]: Number of co-enabled transitions 900 [2021-06-11 07:53:54,646 INFO L163 LiptonReduction]: Checked pairs total: 780 [2021-06-11 07:53:54,646 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:53:54,646 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 92 [2021-06-11 07:53:54,648 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 41 transitions, 170 flow [2021-06-11 07:53:54,648 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 153.0) internal successors, (459), 3 states have internal predecessors, (459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:54,648 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:53:54,648 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-06-11 07:53:54,648 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-06-11 07:53:54,648 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:53:54,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:53:54,649 INFO L82 PathProgramCache]: Analyzing trace with hash 1088874278, now seen corresponding path program 1 times [2021-06-11 07:53:54,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:53:54,649 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481531162] [2021-06-11 07:53:54,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:53:54,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:53:54,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:54,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:53:54,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:54,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:53:54,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:54,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:53:54,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:54,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:54,683 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 07:53:54,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481531162] [2021-06-11 07:53:54,683 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:53:54,683 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 07:53:54,683 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421464753] [2021-06-11 07:53:54,684 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 07:53:54,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:53:54,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 07:53:54,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-11 07:53:54,685 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 182 [2021-06-11 07:53:54,686 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 41 transitions, 170 flow. Second operand has 5 states, 5 states have (on average 110.0) internal successors, (550), 5 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:54,686 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:53:54,686 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 182 [2021-06-11 07:53:54,686 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:53:54,763 INFO L129 PetriNetUnfolder]: 207/659 cut-off events. [2021-06-11 07:53:54,764 INFO L130 PetriNetUnfolder]: For 327/332 co-relation queries the response was YES. [2021-06-11 07:53:54,766 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1659 conditions, 659 events. 207/659 cut-off events. For 327/332 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3483 event pairs, 87 based on Foata normal form. 8/597 useless extension candidates. Maximal degree in co-relation 846. Up to 344 conditions per place. [2021-06-11 07:53:54,768 INFO L132 encePairwiseOnDemand]: 175/182 looper letters, 9 selfloop transitions, 6 changer transitions 3/48 dead transitions. [2021-06-11 07:53:54,768 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 48 transitions, 226 flow [2021-06-11 07:53:54,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 07:53:54,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 07:53:54,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 456 transitions. [2021-06-11 07:53:54,770 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6263736263736264 [2021-06-11 07:53:54,770 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 456 transitions. [2021-06-11 07:53:54,770 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 456 transitions. [2021-06-11 07:53:54,771 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:53:54,771 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 456 transitions. [2021-06-11 07:53:54,772 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 114.0) internal successors, (456), 4 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:54,773 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 182.0) internal successors, (910), 5 states have internal predecessors, (910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:54,773 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 182.0) internal successors, (910), 5 states have internal predecessors, (910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:54,773 INFO L185 Difference]: Start difference. First operand has 49 places, 41 transitions, 170 flow. Second operand 4 states and 456 transitions. [2021-06-11 07:53:54,773 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 48 transitions, 226 flow [2021-06-11 07:53:54,777 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 48 transitions, 220 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-06-11 07:53:54,778 INFO L241 Difference]: Finished difference. Result has 53 places, 43 transitions, 194 flow [2021-06-11 07:53:54,778 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=182, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=194, PETRI_PLACES=53, PETRI_TRANSITIONS=43} [2021-06-11 07:53:54,778 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, 6 predicate places. [2021-06-11 07:53:54,778 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:53:54,778 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 43 transitions, 194 flow [2021-06-11 07:53:54,779 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 43 transitions, 194 flow [2021-06-11 07:53:54,779 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 43 transitions, 194 flow [2021-06-11 07:53:54,818 INFO L129 PetriNetUnfolder]: 207/651 cut-off events. [2021-06-11 07:53:54,818 INFO L130 PetriNetUnfolder]: For 299/300 co-relation queries the response was YES. [2021-06-11 07:53:54,820 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1462 conditions, 651 events. 207/651 cut-off events. For 299/300 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3488 event pairs, 87 based on Foata normal form. 0/588 useless extension candidates. Maximal degree in co-relation 821. Up to 207 conditions per place. [2021-06-11 07:53:54,825 INFO L151 LiptonReduction]: Number of co-enabled transitions 942 [2021-06-11 07:53:54,828 INFO L163 LiptonReduction]: Checked pairs total: 808 [2021-06-11 07:53:54,829 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:53:54,829 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 51 [2021-06-11 07:53:54,830 INFO L480 AbstractCegarLoop]: Abstraction has has 52 places, 43 transitions, 194 flow [2021-06-11 07:53:54,830 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 110.0) internal successors, (550), 5 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:54,831 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:53:54,831 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:53:54,831 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-06-11 07:53:54,831 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:53:54,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:53:54,831 INFO L82 PathProgramCache]: Analyzing trace with hash 742433046, now seen corresponding path program 1 times [2021-06-11 07:53:54,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:53:54,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145457777] [2021-06-11 07:53:54,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:53:54,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:53:54,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:54,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:53:54,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:54,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:53:54,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:54,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 07:53:54,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:54,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:53:54,883 INFO L142 QuantifierPusher]: treesize reduction 28, result has 34.9 percent of original size [2021-06-11 07:53:54,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 07:53:54,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:54,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:53:54,898 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-11 07:53:54,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145457777] [2021-06-11 07:53:54,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1826384166] [2021-06-11 07:53:54,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 07:53:54,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:53:54,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-11 07:53:54,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 07:53:54,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:54,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 07:53:54,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:54,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 07:53:54,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:54,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:53:54,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:54,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:53:55,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:55,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:53:55,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:55,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:53:55,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:55,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:53:55,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:55,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:53:55,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:55,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:53:55,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:55,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:53:55,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:55,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:53:55,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:55,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:53:55,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:55,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:55,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:55,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:53:55,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 07:53:55,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:55,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:55,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:55,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:53:55,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 07:53:55,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:55,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:53:55,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:55,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:53:55,034 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-06-11 07:53:55,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:55,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:55,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:53:55,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 07:53:55,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:55,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:55,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:55,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:53:55,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:55,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:53:55,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 07:53:55,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 07:53:55,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:55,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:55,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:55,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:55,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:55,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:55,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:55,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:55,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:55,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:55,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:55,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:55,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:55,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:55,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:55,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:55,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:55,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:55,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:55,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:55,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:55,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:55,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:55,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:55,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:55,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:55,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:55,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:55,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:55,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:55,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:55,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:55,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:55,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:55,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:55,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:55,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:55,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:55,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:55,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:55,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:55,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:55,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:55,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:55,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:55,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:55,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:55,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:55,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:55,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:55,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:53:55,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:53:55,059 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-11 07:53:55,059 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 07:53:55,059 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3] total 9 [2021-06-11 07:53:55,059 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115215842] [2021-06-11 07:53:55,059 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-11 07:53:55,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:53:55,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-11 07:53:55,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-06-11 07:53:55,061 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 182 [2021-06-11 07:53:55,061 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 43 transitions, 194 flow. Second operand has 10 states, 10 states have (on average 65.6) internal successors, (656), 10 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:53:55,062 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:53:55,062 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 182 [2021-06-11 07:53:55,062 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:57:02,768 INFO L129 PetriNetUnfolder]: 773497/1004213 cut-off events. [2021-06-11 07:57:02,768 INFO L130 PetriNetUnfolder]: For 427658/427658 co-relation queries the response was YES. [2021-06-11 07:57:06,099 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2355855 conditions, 1004213 events. 773497/1004213 cut-off events. For 427658/427658 co-relation queries the response was YES. Maximal size of possible extension queue 18327. Compared 7010337 event pairs, 190086 based on Foata normal form. 4/971285 useless extension candidates. Maximal degree in co-relation 1317060. Up to 314533 conditions per place. [2021-06-11 07:57:09,732 INFO L132 encePairwiseOnDemand]: 166/182 looper letters, 205 selfloop transitions, 57 changer transitions 0/273 dead transitions. [2021-06-11 07:57:09,733 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 273 transitions, 1333 flow [2021-06-11 07:57:09,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-11 07:57:09,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-06-11 07:57:09,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1586 transitions. [2021-06-11 07:57:09,737 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41496598639455784 [2021-06-11 07:57:09,737 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1586 transitions. [2021-06-11 07:57:09,737 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1586 transitions. [2021-06-11 07:57:09,738 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:57:09,738 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1586 transitions. [2021-06-11 07:57:09,741 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 75.52380952380952) internal successors, (1586), 21 states have internal predecessors, (1586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:57:09,745 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 182.0) internal successors, (4004), 22 states have internal predecessors, (4004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:57:09,746 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 182.0) internal successors, (4004), 22 states have internal predecessors, (4004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:57:09,746 INFO L185 Difference]: Start difference. First operand has 52 places, 43 transitions, 194 flow. Second operand 21 states and 1586 transitions. [2021-06-11 07:57:09,746 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 273 transitions, 1333 flow [2021-06-11 08:01:12,669 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 273 transitions, 1300 flow, removed 6 selfloop flow, removed 2 redundant places. [2021-06-11 08:01:12,672 INFO L241 Difference]: Finished difference. Result has 83 places, 98 transitions, 643 flow [2021-06-11 08:01:12,672 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=182, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=643, PETRI_PLACES=83, PETRI_TRANSITIONS=98} [2021-06-11 08:01:12,673 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, 36 predicate places. [2021-06-11 08:01:12,673 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 08:01:12,673 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 98 transitions, 643 flow [2021-06-11 08:01:12,673 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 98 transitions, 643 flow [2021-06-11 08:01:12,673 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 98 transitions, 643 flow [2021-06-11 08:01:14,342 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1038] thrEXIT-->L706-2: Formula: (= v_thrThread3of6ForFork0_thidvar0_4 |v_ULTIMATE.start_main_#t~mem9_133|) InVars {ULTIMATE.start_main_#t~mem9=|v_ULTIMATE.start_main_#t~mem9_133|, thrThread3of6ForFork0_thidvar0=v_thrThread3of6ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem9=|v_ULTIMATE.start_main_#t~mem9_133|, thrThread3of6ForFork0_thidvar0=v_thrThread3of6ForFork0_thidvar0_4} AuxVars[] AssignedVars[][46], [Black: 124#(<= ULTIMATE.start_main_~i~0 0), 130#true, 15#thrEXITtrue, Black: 192#(and (= ~x~0 0) (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0) (= (select (select |#memory_int| |~#a~0.base|) (+ (* thrThread1of6ForFork0_~t~0 4) |~#a~0.offset|)) 1) (<= ULTIMATE.start_main_~i~0 1) (= thrThread1of6ForFork0_~t~0 0)), Black: 194#(and (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0) (= (select (select |#memory_int| |~#a~0.base|) (+ (* thrThread1of6ForFork0_~t~0 4) |~#a~0.offset|)) 1) (<= ULTIMATE.start_main_~i~0 1) (= thrThread1of6ForFork0_~t~0 0)), Black: 132#(= ~x~0 0), Black: 196#(and (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0) (<= ULTIMATE.start_main_~i~0 1) (= thrThread1of6ForFork0_~t~0 0)), 83#thrEXITtrue, Black: 198#(and (= ~x~0 0) (= (select (select |#memory_int| |~#a~0.base|) (+ (* thrThread1of6ForFork0_~t~0 4) |~#a~0.offset|)) 1) (= thrThread1of6ForFork0_~t~0 0)), Black: 134#(and (= (select (select |#memory_int| |~#a~0.base|) (+ (* thrThread1of6ForFork0_~t~0 4) |~#a~0.offset|)) 1) (= thrThread1of6ForFork0_~t~0 0)), Black: 200#(and (= ~x~0 0) (= thrThread1of6ForFork0_~t~0 0)), Black: 206#(and (<= ULTIMATE.start_main_~sum~0 1) (= (select (select |#memory_int| |~#a~0.base|) (+ (* thrThread1of6ForFork0_~t~0 4) |~#a~0.offset|)) 1) (= thrThread1of6ForFork0_~t~0 0)), Black: 180#(and (= ~x~0 0) (<= ULTIMATE.start_main_~i~0 0) (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0)), Black: 151#(and (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0) (<= ULTIMATE.start_main_~i~0 1)), Black: 184#(and (= ~x~0 0) (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0) (<= ULTIMATE.start_main_~i~0 1)), Black: 186#(and (= ~x~0 0) (<= ULTIMATE.start_main_~i~0 0) (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0) (= (select (select |#memory_int| |~#a~0.base|) (+ (* thrThread1of6ForFork0_~t~0 4) |~#a~0.offset|)) 1) (= thrThread1of6ForFork0_~t~0 0)), 27#L706-2true, Black: 188#(and (= ~x~0 0) (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0) (<= ULTIMATE.start_main_~i~0 1) (= thrThread1of6ForFork0_~t~0 0)), 94#thrEXITtrue, thrThread1of6ForFork0InUse, thrThread2of6ForFork0NotInUse, thrThread3of6ForFork0NotInUse, thrThread4of6ForFork0InUse, thrThread5of6ForFork0InUse, thrThread6of6ForFork0NotInUse, Black: 119#(<= ULTIMATE.start_main_~sum~0 10)]) [2021-06-11 08:01:14,342 INFO L384 tUnfolder$Statistics]: this new event has 46 ancestors and is cut-off event [2021-06-11 08:01:14,342 INFO L387 tUnfolder$Statistics]: existing Event has 37 ancestors and is cut-off event [2021-06-11 08:01:14,342 INFO L387 tUnfolder$Statistics]: existing Event has 46 ancestors and is cut-off event [2021-06-11 08:01:14,342 INFO L387 tUnfolder$Statistics]: existing Event has 37 ancestors and is cut-off event [2021-06-11 08:01:15,127 INFO L129 PetriNetUnfolder]: 12094/28539 cut-off events. [2021-06-11 08:01:15,127 INFO L130 PetriNetUnfolder]: For 54462/60023 co-relation queries the response was YES. [2021-06-11 08:01:15,411 INFO L84 FinitePrefix]: Finished finitePrefix Result has 92092 conditions, 28539 events. 12094/28539 cut-off events. For 54462/60023 co-relation queries the response was YES. Maximal size of possible extension queue 1585. Compared 327105 event pairs, 5965 based on Foata normal form. 170/24818 useless extension candidates. Maximal degree in co-relation 71700. Up to 6856 conditions per place. [2021-06-11 08:01:16,262 INFO L151 LiptonReduction]: Number of co-enabled transitions 1900 [2021-06-11 08:01:16,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:16,349 INFO L163 LiptonReduction]: Checked pairs total: 4266 [2021-06-11 08:01:16,349 INFO L165 LiptonReduction]: Total number of compositions: 1 [2021-06-11 08:01:16,349 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3676 [2021-06-11 08:01:16,350 INFO L480 AbstractCegarLoop]: Abstraction has has 83 places, 98 transitions, 644 flow [2021-06-11 08:01:16,350 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 65.6) internal successors, (656), 10 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 08:01:16,350 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 08:01:16,350 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 08:01:16,573 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 08:01:16,574 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 08:01:16,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 08:01:16,574 INFO L82 PathProgramCache]: Analyzing trace with hash -1234497043, now seen corresponding path program 1 times [2021-06-11 08:01:16,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 08:01:16,574 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352804177] [2021-06-11 08:01:16,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 08:01:16,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 08:01:16,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 08:01:16,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 08:01:16,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 08:01:16,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 08:01:16,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 08:01:16,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:16,634 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-11 08:01:16,634 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352804177] [2021-06-11 08:01:16,634 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1778786838] [2021-06-11 08:01:16,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 08:01:16,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 08:01:16,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-11 08:01:16,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 08:01:16,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 08:01:16,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 08:01:16,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 08:01:16,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 08:01:16,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 08:01:16,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 08:01:16,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 08:01:16,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 08:01:16,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 08:01:16,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 08:01:16,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 08:01:16,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 08:01:16,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 08:01:16,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 08:01:16,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 08:01:16,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 08:01:16,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 08:01:16,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 08:01:16,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 08:01:16,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 08:01:16,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 08:01:16,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 08:01:16,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 08:01:16,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 08:01:16,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 08:01:16,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 08:01:16,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 08:01:16,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 08:01:16,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 08:01:16,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 08:01:16,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 08:01:16,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 08:01:16,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 08:01:16,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 08:01:16,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 08:01:16,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 08:01:16,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 08:01:16,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 08:01:16,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 08:01:16,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 08:01:16,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 08:01:16,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 08:01:16,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 08:01:16,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 08:01:16,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 08:01:16,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 08:01:16,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 08:01:16,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 08:01:16,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 08:01:16,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 08:01:16,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 08:01:16,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 08:01:16,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 08:01:16,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 08:01:16,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 08:01:16,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 08:01:16,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 08:01:16,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 08:01:16,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 08:01:16,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 08:01:16,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 08:01:16,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 08:01:16,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 08:01:16,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 08:01:16,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 08:01:16,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 08:01:16,793 INFO L142 QuantifierPusher]: treesize reduction 1, result has 91.7 percent of original size [2021-06-11 08:01:16,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 08:01:16,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 08:01:16,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 08:01:16,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 08:01:16,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 08:01:16,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 08:01:16,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 08:01:16,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 08:01:16,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:16,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:16,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:16,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:16,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:16,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:16,802 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-11 08:01:16,802 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 08:01:16,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-06-11 08:01:16,804 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418069824] [2021-06-11 08:01:16,804 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-11 08:01:16,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 08:01:16,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-11 08:01:16,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-06-11 08:01:16,807 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 183 [2021-06-11 08:01:16,808 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 98 transitions, 644 flow. Second operand has 9 states, 9 states have (on average 111.66666666666667) internal successors, (1005), 9 states have internal predecessors, (1005), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 08:01:16,808 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 08:01:16,809 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 183 [2021-06-11 08:01:16,809 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 08:01:20,106 INFO L129 PetriNetUnfolder]: 11147/28485 cut-off events. [2021-06-11 08:01:20,106 INFO L130 PetriNetUnfolder]: For 62378/69887 co-relation queries the response was YES. [2021-06-11 08:01:20,328 INFO L84 FinitePrefix]: Finished finitePrefix Result has 102649 conditions, 28485 events. 11147/28485 cut-off events. For 62378/69887 co-relation queries the response was YES. Maximal size of possible extension queue 1564. Compared 341725 event pairs, 6604 based on Foata normal form. 2234/27348 useless extension candidates. Maximal degree in co-relation 80241. Up to 7210 conditions per place. [2021-06-11 08:01:20,480 INFO L132 encePairwiseOnDemand]: 173/183 looper letters, 8 selfloop transitions, 32 changer transitions 0/104 dead transitions. [2021-06-11 08:01:20,481 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 104 transitions, 758 flow [2021-06-11 08:01:20,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 08:01:20,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 08:01:20,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 682 transitions. [2021-06-11 08:01:20,483 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6211293260473588 [2021-06-11 08:01:20,483 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 682 transitions. [2021-06-11 08:01:20,483 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 682 transitions. [2021-06-11 08:01:20,483 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 08:01:20,483 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 682 transitions. [2021-06-11 08:01:20,485 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 113.66666666666667) internal successors, (682), 6 states have internal predecessors, (682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 08:01:20,486 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 183.0) internal successors, (1281), 7 states have internal predecessors, (1281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 08:01:20,486 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 183.0) internal successors, (1281), 7 states have internal predecessors, (1281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 08:01:20,486 INFO L185 Difference]: Start difference. First operand has 83 places, 98 transitions, 644 flow. Second operand 6 states and 682 transitions. [2021-06-11 08:01:20,486 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 104 transitions, 758 flow [2021-06-11 08:01:21,810 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 104 transitions, 742 flow, removed 8 selfloop flow, removed 0 redundant places. [2021-06-11 08:01:21,811 INFO L241 Difference]: Finished difference. Result has 90 places, 102 transitions, 762 flow [2021-06-11 08:01:21,811 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=628, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=762, PETRI_PLACES=90, PETRI_TRANSITIONS=102} [2021-06-11 08:01:21,811 INFO L343 CegarLoopForPetriNet]: 47 programPoint places, 43 predicate places. [2021-06-11 08:01:21,811 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 08:01:21,812 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 102 transitions, 762 flow [2021-06-11 08:01:21,812 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 102 transitions, 762 flow [2021-06-11 08:01:21,813 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 102 transitions, 762 flow [2021-06-11 08:01:22,595 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1045] L694-1-->thrEXIT: Formula: (= (+ v_thrThread1of6ForFork0_~t~0_11 1) v_~x~0_307) InVars {thrThread1of6ForFork0_~t~0=v_thrThread1of6ForFork0_~t~0_11} OutVars{thrThread1of6ForFork0_~t~0=v_thrThread1of6ForFork0_~t~0_11, ~x~0=v_~x~0_307} AuxVars[] AssignedVars[~x~0][59], [130#true, 15#thrEXITtrue, Black: 192#(and (= ~x~0 0) (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0) (= (select (select |#memory_int| |~#a~0.base|) (+ (* thrThread1of6ForFork0_~t~0 4) |~#a~0.offset|)) 1) (<= ULTIMATE.start_main_~i~0 1) (= thrThread1of6ForFork0_~t~0 0)), Black: 194#(and (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0) (= (select (select |#memory_int| |~#a~0.base|) (+ (* thrThread1of6ForFork0_~t~0 4) |~#a~0.offset|)) 1) (<= ULTIMATE.start_main_~i~0 1) (= thrThread1of6ForFork0_~t~0 0)), Black: 132#(= ~x~0 0), Black: 196#(and (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0) (<= ULTIMATE.start_main_~i~0 1) (= thrThread1of6ForFork0_~t~0 0)), 83#thrEXITtrue, Black: 198#(and (= ~x~0 0) (= (select (select |#memory_int| |~#a~0.base|) (+ (* thrThread1of6ForFork0_~t~0 4) |~#a~0.offset|)) 1) (= thrThread1of6ForFork0_~t~0 0)), Black: 134#(and (= (select (select |#memory_int| |~#a~0.base|) (+ (* thrThread1of6ForFork0_~t~0 4) |~#a~0.offset|)) 1) (= thrThread1of6ForFork0_~t~0 0)), 86#thrEXITtrue, Black: 200#(and (= ~x~0 0) (= thrThread1of6ForFork0_~t~0 0)), Black: 206#(and (<= ULTIMATE.start_main_~sum~0 1) (= (select (select |#memory_int| |~#a~0.base|) (+ (* thrThread1of6ForFork0_~t~0 4) |~#a~0.offset|)) 1) (= thrThread1of6ForFork0_~t~0 0)), Black: 180#(and (= ~x~0 0) (<= ULTIMATE.start_main_~i~0 0) (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0)), Black: 151#(and (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0) (<= ULTIMATE.start_main_~i~0 1)), Black: 184#(and (= ~x~0 0) (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0) (<= ULTIMATE.start_main_~i~0 1)), Black: 186#(and (= ~x~0 0) (<= ULTIMATE.start_main_~i~0 0) (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0) (= (select (select |#memory_int| |~#a~0.base|) (+ (* thrThread1of6ForFork0_~t~0 4) |~#a~0.offset|)) 1) (= thrThread1of6ForFork0_~t~0 0)), Black: 188#(and (= ~x~0 0) (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0) (<= ULTIMATE.start_main_~i~0 1) (= thrThread1of6ForFork0_~t~0 0)), Black: 279#(and (<= 2 ULTIMATE.start_main_~n~0) (<= ULTIMATE.start_main_~i~0 1) (<= 1 ULTIMATE.start_main_~i~0)), 94#thrEXITtrue, Black: 281#(and (<= 2 ULTIMATE.start_main_~n~0) (<= 1 ULTIMATE.start_main_~i~0)), 226#(and (= ULTIMATE.start_main_~i~0 0) (<= 2 ULTIMATE.start_main_~n~0)), 35#thrEXITtrue, thrThread1of6ForFork0InUse, thrThread2of6ForFork0InUse, thrThread3of6ForFork0InUse, thrThread4of6ForFork0InUse, thrThread5of6ForFork0InUse, thrThread6of6ForFork0NotInUse, Black: 119#(<= ULTIMATE.start_main_~sum~0 10), 57#L705-5true, 124#(<= ULTIMATE.start_main_~i~0 0)]) [2021-06-11 08:01:22,595 INFO L384 tUnfolder$Statistics]: this new event has 32 ancestors and is cut-off event [2021-06-11 08:01:22,595 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-06-11 08:01:22,596 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-06-11 08:01:22,596 INFO L387 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2021-06-11 08:01:22,857 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1045] L694-1-->thrEXIT: Formula: (= (+ v_thrThread1of6ForFork0_~t~0_11 1) v_~x~0_307) InVars {thrThread1of6ForFork0_~t~0=v_thrThread1of6ForFork0_~t~0_11} OutVars{thrThread1of6ForFork0_~t~0=v_thrThread1of6ForFork0_~t~0_11, ~x~0=v_~x~0_307} AuxVars[] AssignedVars[~x~0][59], [130#true, Black: 192#(and (= ~x~0 0) (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0) (= (select (select |#memory_int| |~#a~0.base|) (+ (* thrThread1of6ForFork0_~t~0 4) |~#a~0.offset|)) 1) (<= ULTIMATE.start_main_~i~0 1) (= thrThread1of6ForFork0_~t~0 0)), Black: 194#(and (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0) (= (select (select |#memory_int| |~#a~0.base|) (+ (* thrThread1of6ForFork0_~t~0 4) |~#a~0.offset|)) 1) (<= ULTIMATE.start_main_~i~0 1) (= thrThread1of6ForFork0_~t~0 0)), Black: 132#(= ~x~0 0), Black: 196#(and (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0) (<= ULTIMATE.start_main_~i~0 1) (= thrThread1of6ForFork0_~t~0 0)), 83#thrEXITtrue, Black: 198#(and (= ~x~0 0) (= (select (select |#memory_int| |~#a~0.base|) (+ (* thrThread1of6ForFork0_~t~0 4) |~#a~0.offset|)) 1) (= thrThread1of6ForFork0_~t~0 0)), Black: 134#(and (= (select (select |#memory_int| |~#a~0.base|) (+ (* thrThread1of6ForFork0_~t~0 4) |~#a~0.offset|)) 1) (= thrThread1of6ForFork0_~t~0 0)), 86#thrEXITtrue, Black: 200#(and (= ~x~0 0) (= thrThread1of6ForFork0_~t~0 0)), Black: 206#(and (<= ULTIMATE.start_main_~sum~0 1) (= (select (select |#memory_int| |~#a~0.base|) (+ (* thrThread1of6ForFork0_~t~0 4) |~#a~0.offset|)) 1) (= thrThread1of6ForFork0_~t~0 0)), 88#thrENTRYtrue, Black: 180#(and (= ~x~0 0) (<= ULTIMATE.start_main_~i~0 0) (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0)), Black: 151#(and (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0) (<= ULTIMATE.start_main_~i~0 1)), Black: 184#(and (= ~x~0 0) (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0) (<= ULTIMATE.start_main_~i~0 1)), Black: 186#(and (= ~x~0 0) (<= ULTIMATE.start_main_~i~0 0) (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0) (= (select (select |#memory_int| |~#a~0.base|) (+ (* thrThread1of6ForFork0_~t~0 4) |~#a~0.offset|)) 1) (= thrThread1of6ForFork0_~t~0 0)), Black: 188#(and (= ~x~0 0) (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0) (<= ULTIMATE.start_main_~i~0 1) (= thrThread1of6ForFork0_~t~0 0)), Black: 279#(and (<= 2 ULTIMATE.start_main_~n~0) (<= ULTIMATE.start_main_~i~0 1) (<= 1 ULTIMATE.start_main_~i~0)), 94#thrEXITtrue, Black: 281#(and (<= 2 ULTIMATE.start_main_~n~0) (<= 1 ULTIMATE.start_main_~i~0)), 226#(and (= ULTIMATE.start_main_~i~0 0) (<= 2 ULTIMATE.start_main_~n~0)), 35#thrEXITtrue, thrThread1of6ForFork0InUse, thrThread2of6ForFork0InUse, thrThread3of6ForFork0InUse, thrThread4of6ForFork0InUse, 48#thrEXITtrue, thrThread5of6ForFork0InUse, thrThread6of6ForFork0InUse, 57#L705-5true, Black: 119#(<= ULTIMATE.start_main_~sum~0 10), 124#(<= ULTIMATE.start_main_~i~0 0)]) [2021-06-11 08:01:22,858 INFO L384 tUnfolder$Statistics]: this new event has 35 ancestors and is cut-off event [2021-06-11 08:01:22,858 INFO L387 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2021-06-11 08:01:22,858 INFO L387 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2021-06-11 08:01:22,858 INFO L387 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2021-06-11 08:01:22,861 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1045] L694-1-->thrEXIT: Formula: (= (+ v_thrThread1of6ForFork0_~t~0_11 1) v_~x~0_307) InVars {thrThread1of6ForFork0_~t~0=v_thrThread1of6ForFork0_~t~0_11} OutVars{thrThread1of6ForFork0_~t~0=v_thrThread1of6ForFork0_~t~0_11, ~x~0=v_~x~0_307} AuxVars[] AssignedVars[~x~0][59], [130#true, 78#thrENTRYtrue, 15#thrEXITtrue, Black: 192#(and (= ~x~0 0) (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0) (= (select (select |#memory_int| |~#a~0.base|) (+ (* thrThread1of6ForFork0_~t~0 4) |~#a~0.offset|)) 1) (<= ULTIMATE.start_main_~i~0 1) (= thrThread1of6ForFork0_~t~0 0)), Black: 194#(and (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0) (= (select (select |#memory_int| |~#a~0.base|) (+ (* thrThread1of6ForFork0_~t~0 4) |~#a~0.offset|)) 1) (<= ULTIMATE.start_main_~i~0 1) (= thrThread1of6ForFork0_~t~0 0)), Black: 132#(= ~x~0 0), Black: 196#(and (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0) (<= ULTIMATE.start_main_~i~0 1) (= thrThread1of6ForFork0_~t~0 0)), Black: 198#(and (= ~x~0 0) (= (select (select |#memory_int| |~#a~0.base|) (+ (* thrThread1of6ForFork0_~t~0 4) |~#a~0.offset|)) 1) (= thrThread1of6ForFork0_~t~0 0)), Black: 134#(and (= (select (select |#memory_int| |~#a~0.base|) (+ (* thrThread1of6ForFork0_~t~0 4) |~#a~0.offset|)) 1) (= thrThread1of6ForFork0_~t~0 0)), 86#thrEXITtrue, Black: 200#(and (= ~x~0 0) (= thrThread1of6ForFork0_~t~0 0)), Black: 206#(and (<= ULTIMATE.start_main_~sum~0 1) (= (select (select |#memory_int| |~#a~0.base|) (+ (* thrThread1of6ForFork0_~t~0 4) |~#a~0.offset|)) 1) (= thrThread1of6ForFork0_~t~0 0)), Black: 180#(and (= ~x~0 0) (<= ULTIMATE.start_main_~i~0 0) (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0)), Black: 151#(and (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0) (<= ULTIMATE.start_main_~i~0 1)), Black: 184#(and (= ~x~0 0) (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0) (<= ULTIMATE.start_main_~i~0 1)), Black: 186#(and (= ~x~0 0) (<= ULTIMATE.start_main_~i~0 0) (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0) (= (select (select |#memory_int| |~#a~0.base|) (+ (* thrThread1of6ForFork0_~t~0 4) |~#a~0.offset|)) 1) (= thrThread1of6ForFork0_~t~0 0)), Black: 188#(and (= ~x~0 0) (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0) (<= ULTIMATE.start_main_~i~0 1) (= thrThread1of6ForFork0_~t~0 0)), Black: 279#(and (<= 2 ULTIMATE.start_main_~n~0) (<= ULTIMATE.start_main_~i~0 1) (<= 1 ULTIMATE.start_main_~i~0)), 94#thrEXITtrue, Black: 281#(and (<= 2 ULTIMATE.start_main_~n~0) (<= 1 ULTIMATE.start_main_~i~0)), 226#(and (= ULTIMATE.start_main_~i~0 0) (<= 2 ULTIMATE.start_main_~n~0)), 35#thrEXITtrue, thrThread1of6ForFork0InUse, thrThread2of6ForFork0InUse, thrThread3of6ForFork0InUse, thrThread4of6ForFork0InUse, 48#thrEXITtrue, thrThread5of6ForFork0InUse, thrThread6of6ForFork0InUse, 57#L705-5true, Black: 119#(<= ULTIMATE.start_main_~sum~0 10), 124#(<= ULTIMATE.start_main_~i~0 0)]) [2021-06-11 08:01:22,861 INFO L384 tUnfolder$Statistics]: this new event has 35 ancestors and is cut-off event [2021-06-11 08:01:22,861 INFO L387 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2021-06-11 08:01:22,861 INFO L387 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2021-06-11 08:01:22,861 INFO L387 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2021-06-11 08:01:22,869 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1045] L694-1-->thrEXIT: Formula: (= (+ v_thrThread1of6ForFork0_~t~0_11 1) v_~x~0_307) InVars {thrThread1of6ForFork0_~t~0=v_thrThread1of6ForFork0_~t~0_11} OutVars{thrThread1of6ForFork0_~t~0=v_thrThread1of6ForFork0_~t~0_11, ~x~0=v_~x~0_307} AuxVars[] AssignedVars[~x~0][59], [130#true, 15#thrEXITtrue, Black: 192#(and (= ~x~0 0) (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0) (= (select (select |#memory_int| |~#a~0.base|) (+ (* thrThread1of6ForFork0_~t~0 4) |~#a~0.offset|)) 1) (<= ULTIMATE.start_main_~i~0 1) (= thrThread1of6ForFork0_~t~0 0)), Black: 194#(and (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0) (= (select (select |#memory_int| |~#a~0.base|) (+ (* thrThread1of6ForFork0_~t~0 4) |~#a~0.offset|)) 1) (<= ULTIMATE.start_main_~i~0 1) (= thrThread1of6ForFork0_~t~0 0)), Black: 132#(= ~x~0 0), 83#thrEXITtrue, Black: 196#(and (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0) (<= ULTIMATE.start_main_~i~0 1) (= thrThread1of6ForFork0_~t~0 0)), Black: 198#(and (= ~x~0 0) (= (select (select |#memory_int| |~#a~0.base|) (+ (* thrThread1of6ForFork0_~t~0 4) |~#a~0.offset|)) 1) (= thrThread1of6ForFork0_~t~0 0)), Black: 134#(and (= (select (select |#memory_int| |~#a~0.base|) (+ (* thrThread1of6ForFork0_~t~0 4) |~#a~0.offset|)) 1) (= thrThread1of6ForFork0_~t~0 0)), 86#thrEXITtrue, Black: 200#(and (= ~x~0 0) (= thrThread1of6ForFork0_~t~0 0)), Black: 206#(and (<= ULTIMATE.start_main_~sum~0 1) (= (select (select |#memory_int| |~#a~0.base|) (+ (* thrThread1of6ForFork0_~t~0 4) |~#a~0.offset|)) 1) (= thrThread1of6ForFork0_~t~0 0)), Black: 180#(and (= ~x~0 0) (<= ULTIMATE.start_main_~i~0 0) (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0)), Black: 151#(and (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0) (<= ULTIMATE.start_main_~i~0 1)), Black: 184#(and (= ~x~0 0) (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0) (<= ULTIMATE.start_main_~i~0 1)), Black: 186#(and (= ~x~0 0) (<= ULTIMATE.start_main_~i~0 0) (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0) (= (select (select |#memory_int| |~#a~0.base|) (+ (* thrThread1of6ForFork0_~t~0 4) |~#a~0.offset|)) 1) (= thrThread1of6ForFork0_~t~0 0)), Black: 188#(and (= ~x~0 0) (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0) (<= ULTIMATE.start_main_~i~0 1) (= thrThread1of6ForFork0_~t~0 0)), Black: 279#(and (<= 2 ULTIMATE.start_main_~n~0) (<= ULTIMATE.start_main_~i~0 1) (<= 1 ULTIMATE.start_main_~i~0)), Black: 281#(and (<= 2 ULTIMATE.start_main_~n~0) (<= 1 ULTIMATE.start_main_~i~0)), 94#thrEXITtrue, 226#(and (= ULTIMATE.start_main_~i~0 0) (<= 2 ULTIMATE.start_main_~n~0)), 40#thrENTRYtrue, thrThread1of6ForFork0InUse, thrThread2of6ForFork0InUse, thrThread3of6ForFork0InUse, thrThread4of6ForFork0InUse, 48#thrEXITtrue, thrThread5of6ForFork0InUse, thrThread6of6ForFork0InUse, 57#L705-5true, Black: 119#(<= ULTIMATE.start_main_~sum~0 10), 124#(<= ULTIMATE.start_main_~i~0 0)]) [2021-06-11 08:01:22,870 INFO L384 tUnfolder$Statistics]: this new event has 35 ancestors and is cut-off event [2021-06-11 08:01:22,870 INFO L387 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2021-06-11 08:01:22,870 INFO L387 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2021-06-11 08:01:22,870 INFO L387 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2021-06-11 08:01:22,901 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1045] L694-1-->thrEXIT: Formula: (= (+ v_thrThread1of6ForFork0_~t~0_11 1) v_~x~0_307) InVars {thrThread1of6ForFork0_~t~0=v_thrThread1of6ForFork0_~t~0_11} OutVars{thrThread1of6ForFork0_~t~0=v_thrThread1of6ForFork0_~t~0_11, ~x~0=v_~x~0_307} AuxVars[] AssignedVars[~x~0][59], [130#true, 7#thrENTRYtrue, 15#thrEXITtrue, Black: 192#(and (= ~x~0 0) (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0) (= (select (select |#memory_int| |~#a~0.base|) (+ (* thrThread1of6ForFork0_~t~0 4) |~#a~0.offset|)) 1) (<= ULTIMATE.start_main_~i~0 1) (= thrThread1of6ForFork0_~t~0 0)), Black: 194#(and (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0) (= (select (select |#memory_int| |~#a~0.base|) (+ (* thrThread1of6ForFork0_~t~0 4) |~#a~0.offset|)) 1) (<= ULTIMATE.start_main_~i~0 1) (= thrThread1of6ForFork0_~t~0 0)), Black: 132#(= ~x~0 0), Black: 196#(and (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0) (<= ULTIMATE.start_main_~i~0 1) (= thrThread1of6ForFork0_~t~0 0)), 83#thrEXITtrue, Black: 198#(and (= ~x~0 0) (= (select (select |#memory_int| |~#a~0.base|) (+ (* thrThread1of6ForFork0_~t~0 4) |~#a~0.offset|)) 1) (= thrThread1of6ForFork0_~t~0 0)), Black: 134#(and (= (select (select |#memory_int| |~#a~0.base|) (+ (* thrThread1of6ForFork0_~t~0 4) |~#a~0.offset|)) 1) (= thrThread1of6ForFork0_~t~0 0)), 86#thrEXITtrue, Black: 200#(and (= ~x~0 0) (= thrThread1of6ForFork0_~t~0 0)), Black: 206#(and (<= ULTIMATE.start_main_~sum~0 1) (= (select (select |#memory_int| |~#a~0.base|) (+ (* thrThread1of6ForFork0_~t~0 4) |~#a~0.offset|)) 1) (= thrThread1of6ForFork0_~t~0 0)), Black: 180#(and (= ~x~0 0) (<= ULTIMATE.start_main_~i~0 0) (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0)), Black: 151#(and (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0) (<= ULTIMATE.start_main_~i~0 1)), Black: 184#(and (= ~x~0 0) (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0) (<= ULTIMATE.start_main_~i~0 1)), Black: 186#(and (= ~x~0 0) (<= ULTIMATE.start_main_~i~0 0) (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0) (= (select (select |#memory_int| |~#a~0.base|) (+ (* thrThread1of6ForFork0_~t~0 4) |~#a~0.offset|)) 1) (= thrThread1of6ForFork0_~t~0 0)), Black: 188#(and (= ~x~0 0) (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0) (<= ULTIMATE.start_main_~i~0 1) (= thrThread1of6ForFork0_~t~0 0)), Black: 279#(and (<= 2 ULTIMATE.start_main_~n~0) (<= ULTIMATE.start_main_~i~0 1) (<= 1 ULTIMATE.start_main_~i~0)), 94#thrEXITtrue, Black: 281#(and (<= 2 ULTIMATE.start_main_~n~0) (<= 1 ULTIMATE.start_main_~i~0)), 226#(and (= ULTIMATE.start_main_~i~0 0) (<= 2 ULTIMATE.start_main_~n~0)), 35#thrEXITtrue, thrThread1of6ForFork0InUse, thrThread2of6ForFork0InUse, thrThread3of6ForFork0InUse, thrThread4of6ForFork0InUse, thrThread5of6ForFork0InUse, thrThread6of6ForFork0InUse, Black: 119#(<= ULTIMATE.start_main_~sum~0 10), 57#L705-5true, 124#(<= ULTIMATE.start_main_~i~0 0)]) [2021-06-11 08:01:22,901 INFO L384 tUnfolder$Statistics]: this new event has 35 ancestors and is cut-off event [2021-06-11 08:01:22,901 INFO L387 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2021-06-11 08:01:22,901 INFO L387 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2021-06-11 08:01:22,901 INFO L387 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2021-06-11 08:01:23,088 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1045] L694-1-->thrEXIT: Formula: (= (+ v_thrThread1of6ForFork0_~t~0_11 1) v_~x~0_307) InVars {thrThread1of6ForFork0_~t~0=v_thrThread1of6ForFork0_~t~0_11} OutVars{thrThread1of6ForFork0_~t~0=v_thrThread1of6ForFork0_~t~0_11, ~x~0=v_~x~0_307} AuxVars[] AssignedVars[~x~0][59], [130#true, 15#thrEXITtrue, Black: 192#(and (= ~x~0 0) (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0) (= (select (select |#memory_int| |~#a~0.base|) (+ (* thrThread1of6ForFork0_~t~0 4) |~#a~0.offset|)) 1) (<= ULTIMATE.start_main_~i~0 1) (= thrThread1of6ForFork0_~t~0 0)), Black: 194#(and (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0) (= (select (select |#memory_int| |~#a~0.base|) (+ (* thrThread1of6ForFork0_~t~0 4) |~#a~0.offset|)) 1) (<= ULTIMATE.start_main_~i~0 1) (= thrThread1of6ForFork0_~t~0 0)), Black: 132#(= ~x~0 0), 83#thrEXITtrue, Black: 196#(and (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0) (<= ULTIMATE.start_main_~i~0 1) (= thrThread1of6ForFork0_~t~0 0)), Black: 198#(and (= ~x~0 0) (= (select (select |#memory_int| |~#a~0.base|) (+ (* thrThread1of6ForFork0_~t~0 4) |~#a~0.offset|)) 1) (= thrThread1of6ForFork0_~t~0 0)), Black: 134#(and (= (select (select |#memory_int| |~#a~0.base|) (+ (* thrThread1of6ForFork0_~t~0 4) |~#a~0.offset|)) 1) (= thrThread1of6ForFork0_~t~0 0)), 86#thrEXITtrue, Black: 200#(and (= ~x~0 0) (= thrThread1of6ForFork0_~t~0 0)), Black: 206#(and (<= ULTIMATE.start_main_~sum~0 1) (= (select (select |#memory_int| |~#a~0.base|) (+ (* thrThread1of6ForFork0_~t~0 4) |~#a~0.offset|)) 1) (= thrThread1of6ForFork0_~t~0 0)), Black: 180#(and (= ~x~0 0) (<= ULTIMATE.start_main_~i~0 0) (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0)), Black: 151#(and (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0) (<= ULTIMATE.start_main_~i~0 1)), Black: 184#(and (= ~x~0 0) (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0) (<= ULTIMATE.start_main_~i~0 1)), Black: 186#(and (= ~x~0 0) (<= ULTIMATE.start_main_~i~0 0) (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0) (= (select (select |#memory_int| |~#a~0.base|) (+ (* thrThread1of6ForFork0_~t~0 4) |~#a~0.offset|)) 1) (= thrThread1of6ForFork0_~t~0 0)), Black: 188#(and (= ~x~0 0) (<= ULTIMATE.start_main_~n~0 10) (<= 5 ULTIMATE.start_main_~n~0) (<= ULTIMATE.start_main_~i~0 1) (= thrThread1of6ForFork0_~t~0 0)), Black: 279#(and (<= 2 ULTIMATE.start_main_~n~0) (<= ULTIMATE.start_main_~i~0 1) (<= 1 ULTIMATE.start_main_~i~0)), 94#thrEXITtrue, Black: 281#(and (<= 2 ULTIMATE.start_main_~n~0) (<= 1 ULTIMATE.start_main_~i~0)), 226#(and (= ULTIMATE.start_main_~i~0 0) (<= 2 ULTIMATE.start_main_~n~0)), 35#thrEXITtrue, thrThread1of6ForFork0InUse, thrThread2of6ForFork0InUse, thrThread3of6ForFork0InUse, thrThread4of6ForFork0InUse, 48#thrEXITtrue, thrThread5of6ForFork0InUse, thrThread6of6ForFork0InUse, 57#L705-5true, Black: 119#(<= ULTIMATE.start_main_~sum~0 10), 124#(<= ULTIMATE.start_main_~i~0 0)]) [2021-06-11 08:01:23,088 INFO L384 tUnfolder$Statistics]: this new event has 38 ancestors and is cut-off event [2021-06-11 08:01:23,088 INFO L387 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2021-06-11 08:01:23,089 INFO L387 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2021-06-11 08:01:23,089 INFO L387 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2021-06-11 08:01:24,700 INFO L129 PetriNetUnfolder]: 11338/28160 cut-off events. [2021-06-11 08:01:24,700 INFO L130 PetriNetUnfolder]: For 69891/75672 co-relation queries the response was YES. [2021-06-11 08:01:24,910 INFO L84 FinitePrefix]: Finished finitePrefix Result has 108448 conditions, 28160 events. 11338/28160 cut-off events. For 69891/75672 co-relation queries the response was YES. Maximal size of possible extension queue 1582. Compared 335024 event pairs, 6678 based on Foata normal form. 418/25293 useless extension candidates. Maximal degree in co-relation 84241. Up to 6996 conditions per place. [2021-06-11 08:01:25,184 INFO L151 LiptonReduction]: Number of co-enabled transitions 2014 [2021-06-11 08:01:25,326 INFO L163 LiptonReduction]: Checked pairs total: 2232 [2021-06-11 08:01:25,326 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 08:01:25,326 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3515 [2021-06-11 08:01:25,326 INFO L480 AbstractCegarLoop]: Abstraction has has 90 places, 102 transitions, 762 flow [2021-06-11 08:01:25,327 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 111.66666666666667) internal successors, (1005), 9 states have internal predecessors, (1005), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 08:01:25,327 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 08:01:25,327 INFO L263 CegarLoopForPetriNet]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 08:01:25,540 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 08:01:25,541 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 08:01:25,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 08:01:25,541 INFO L82 PathProgramCache]: Analyzing trace with hash 83342763, now seen corresponding path program 1 times [2021-06-11 08:01:25,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 08:01:25,542 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016534751] [2021-06-11 08:01:25,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 08:01:25,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 08:01:25,549 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 08:01:25,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 08:01:25,554 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 08:01:25,562 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-11 08:01:25,562 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-06-11 08:01:25,562 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-06-11 08:01:25,562 WARN L342 ceAbstractionStarter]: 6 thread instances were not sufficient, I will increase this number and restart the analysis [2021-06-11 08:01:25,563 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 7 thread instances. [2021-06-11 08:01:25,578 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,578 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,578 WARN L313 ript$VariableManager]: TermVariabe thrThread2of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,578 WARN L313 ript$VariableManager]: TermVariabe thrThread2of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,578 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,578 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,578 WARN L313 ript$VariableManager]: TermVariabe thrThread2of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,578 WARN L313 ript$VariableManager]: TermVariabe thrThread2of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,578 WARN L313 ript$VariableManager]: TermVariabe thrThread2of7ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,579 WARN L313 ript$VariableManager]: TermVariabe thrThread2of7ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,579 WARN L313 ript$VariableManager]: TermVariabe thrThread2of7ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,579 WARN L313 ript$VariableManager]: TermVariabe thrThread2of7ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,579 WARN L313 ript$VariableManager]: TermVariabe thrThread2of7ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,579 WARN L313 ript$VariableManager]: TermVariabe thrThread2of7ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,579 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,579 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,579 WARN L313 ript$VariableManager]: TermVariabe thrThread6of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,579 WARN L313 ript$VariableManager]: TermVariabe thrThread6of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,579 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,579 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,579 WARN L313 ript$VariableManager]: TermVariabe thrThread6of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,579 WARN L313 ript$VariableManager]: TermVariabe thrThread6of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,580 WARN L313 ript$VariableManager]: TermVariabe thrThread6of7ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,580 WARN L313 ript$VariableManager]: TermVariabe thrThread6of7ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,580 WARN L313 ript$VariableManager]: TermVariabe thrThread6of7ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,580 WARN L313 ript$VariableManager]: TermVariabe thrThread6of7ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,580 WARN L313 ript$VariableManager]: TermVariabe thrThread6of7ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,580 WARN L313 ript$VariableManager]: TermVariabe thrThread6of7ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,580 WARN L313 ript$VariableManager]: TermVariabe |thrThread7of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,580 WARN L313 ript$VariableManager]: TermVariabe |thrThread7of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,581 WARN L313 ript$VariableManager]: TermVariabe thrThread7of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,581 WARN L313 ript$VariableManager]: TermVariabe thrThread7of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,581 WARN L313 ript$VariableManager]: TermVariabe |thrThread7of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,581 WARN L313 ript$VariableManager]: TermVariabe |thrThread7of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,581 WARN L313 ript$VariableManager]: TermVariabe thrThread7of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,581 WARN L313 ript$VariableManager]: TermVariabe thrThread7of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,581 WARN L313 ript$VariableManager]: TermVariabe thrThread7of7ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,581 WARN L313 ript$VariableManager]: TermVariabe thrThread7of7ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,581 WARN L313 ript$VariableManager]: TermVariabe thrThread7of7ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,582 WARN L313 ript$VariableManager]: TermVariabe thrThread7of7ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,582 WARN L313 ript$VariableManager]: TermVariabe thrThread7of7ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,582 WARN L313 ript$VariableManager]: TermVariabe thrThread7of7ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,582 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,582 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,582 WARN L313 ript$VariableManager]: TermVariabe thrThread1of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,582 WARN L313 ript$VariableManager]: TermVariabe thrThread1of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,582 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,582 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,582 WARN L313 ript$VariableManager]: TermVariabe thrThread1of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,582 WARN L313 ript$VariableManager]: TermVariabe thrThread1of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,582 WARN L313 ript$VariableManager]: TermVariabe thrThread1of7ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,582 WARN L313 ript$VariableManager]: TermVariabe thrThread1of7ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,582 WARN L313 ript$VariableManager]: TermVariabe thrThread1of7ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,583 WARN L313 ript$VariableManager]: TermVariabe thrThread1of7ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,583 WARN L313 ript$VariableManager]: TermVariabe thrThread1of7ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,583 WARN L313 ript$VariableManager]: TermVariabe thrThread1of7ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,583 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,583 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,583 WARN L313 ript$VariableManager]: TermVariabe thrThread3of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,583 WARN L313 ript$VariableManager]: TermVariabe thrThread3of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,583 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,583 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,583 WARN L313 ript$VariableManager]: TermVariabe thrThread3of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,583 WARN L313 ript$VariableManager]: TermVariabe thrThread3of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,583 WARN L313 ript$VariableManager]: TermVariabe thrThread3of7ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,583 WARN L313 ript$VariableManager]: TermVariabe thrThread3of7ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,583 WARN L313 ript$VariableManager]: TermVariabe thrThread3of7ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,589 WARN L313 ript$VariableManager]: TermVariabe thrThread3of7ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,589 WARN L313 ript$VariableManager]: TermVariabe thrThread3of7ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,589 WARN L313 ript$VariableManager]: TermVariabe thrThread3of7ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,590 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,590 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,590 WARN L313 ript$VariableManager]: TermVariabe thrThread4of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,590 WARN L313 ript$VariableManager]: TermVariabe thrThread4of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,590 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,590 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,590 WARN L313 ript$VariableManager]: TermVariabe thrThread4of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,590 WARN L313 ript$VariableManager]: TermVariabe thrThread4of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,590 WARN L313 ript$VariableManager]: TermVariabe thrThread4of7ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,590 WARN L313 ript$VariableManager]: TermVariabe thrThread4of7ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,590 WARN L313 ript$VariableManager]: TermVariabe thrThread4of7ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,590 WARN L313 ript$VariableManager]: TermVariabe thrThread4of7ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,590 WARN L313 ript$VariableManager]: TermVariabe thrThread4of7ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,590 WARN L313 ript$VariableManager]: TermVariabe thrThread4of7ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,590 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,590 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,590 WARN L313 ript$VariableManager]: TermVariabe thrThread5of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,590 WARN L313 ript$VariableManager]: TermVariabe thrThread5of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,590 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,590 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,591 WARN L313 ript$VariableManager]: TermVariabe thrThread5of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,591 WARN L313 ript$VariableManager]: TermVariabe thrThread5of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,591 WARN L313 ript$VariableManager]: TermVariabe thrThread5of7ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,591 WARN L313 ript$VariableManager]: TermVariabe thrThread5of7ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,591 WARN L313 ript$VariableManager]: TermVariabe thrThread5of7ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,591 WARN L313 ript$VariableManager]: TermVariabe thrThread5of7ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,591 WARN L313 ript$VariableManager]: TermVariabe thrThread5of7ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,591 WARN L313 ript$VariableManager]: TermVariabe thrThread5of7ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,591 WARN L313 ript$VariableManager]: TermVariabe thrThread1of7ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,591 WARN L313 ript$VariableManager]: TermVariabe thrThread1of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,591 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,591 WARN L313 ript$VariableManager]: TermVariabe thrThread1of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,591 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,592 WARN L313 ript$VariableManager]: TermVariabe thrThread2of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,592 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,592 WARN L313 ript$VariableManager]: TermVariabe thrThread2of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,592 WARN L313 ript$VariableManager]: TermVariabe thrThread2of7ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,593 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,593 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,593 WARN L313 ript$VariableManager]: TermVariabe thrThread3of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,594 WARN L313 ript$VariableManager]: TermVariabe thrThread3of7ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,594 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,594 WARN L313 ript$VariableManager]: TermVariabe thrThread3of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,594 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,594 WARN L313 ript$VariableManager]: TermVariabe thrThread4of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,594 WARN L313 ript$VariableManager]: TermVariabe thrThread4of7ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,594 WARN L313 ript$VariableManager]: TermVariabe thrThread4of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,595 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,595 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,595 WARN L313 ript$VariableManager]: TermVariabe thrThread5of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,595 WARN L313 ript$VariableManager]: TermVariabe thrThread5of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,595 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,595 WARN L313 ript$VariableManager]: TermVariabe thrThread5of7ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,596 WARN L313 ript$VariableManager]: TermVariabe thrThread6of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,596 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,596 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,596 WARN L313 ript$VariableManager]: TermVariabe thrThread6of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,596 WARN L313 ript$VariableManager]: TermVariabe thrThread6of7ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,597 WARN L313 ript$VariableManager]: TermVariabe thrThread7of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,597 WARN L313 ript$VariableManager]: TermVariabe |thrThread7of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,597 WARN L313 ript$VariableManager]: TermVariabe |thrThread7of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,597 WARN L313 ript$VariableManager]: TermVariabe thrThread7of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,597 WARN L313 ript$VariableManager]: TermVariabe thrThread7of7ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 08:01:25,601 INFO L149 ThreadInstanceAdder]: Constructed 7 joinOtherThreadTransitions. [2021-06-11 08:01:25,601 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-06-11 08:01:25,602 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 08:01:25,602 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 08:01:25,602 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 08:01:25,602 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 08:01:25,602 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 08:01:25,602 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 08:01:25,602 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 08:01:25,602 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 08:01:25,603 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 120 places, 118 transitions, 334 flow [2021-06-11 08:01:26,167 INFO L129 PetriNetUnfolder]: 849/4678 cut-off events. [2021-06-11 08:01:26,168 INFO L130 PetriNetUnfolder]: For 525/525 co-relation queries the response was YES. [2021-06-11 08:01:26,176 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5176 conditions, 4678 events. 849/4678 cut-off events. For 525/525 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 39986 event pairs, 201 based on Foata normal form. 0/3893 useless extension candidates. Maximal degree in co-relation 2577. Up to 448 conditions per place. [2021-06-11 08:01:26,176 INFO L82 GeneralOperation]: Start removeDead. Operand has 120 places, 118 transitions, 334 flow [2021-06-11 08:01:26,182 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 113 places, 110 transitions, 318 flow [2021-06-11 08:01:26,182 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 08:01:26,182 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 113 places, 110 transitions, 318 flow [2021-06-11 08:01:26,183 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 113 places, 110 transitions, 318 flow [2021-06-11 08:01:26,183 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 113 places, 110 transitions, 318 flow [2021-06-11 08:01:26,417 INFO L129 PetriNetUnfolder]: 721/3654 cut-off events. [2021-06-11 08:01:26,417 INFO L130 PetriNetUnfolder]: For 525/525 co-relation queries the response was YES. [2021-06-11 08:01:26,432 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4152 conditions, 3654 events. 721/3654 cut-off events. For 525/525 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 28994 event pairs, 201 based on Foata normal form. 0/3125 useless extension candidates. Maximal degree in co-relation 2065. Up to 448 conditions per place. [2021-06-11 08:01:26,471 INFO L151 LiptonReduction]: Number of co-enabled transitions 4060 [2021-06-11 08:01:26,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:26,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:26,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:26,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:26,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:26,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:26,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:26,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:26,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:26,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:26,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:26,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:26,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:26,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:26,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:26,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:26,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:26,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:26,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:26,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 08:01:26,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:26,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 08:01:26,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 08:01:26,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:26,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:26,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:26,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:26,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:26,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 08:01:26,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:26,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 08:01:26,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 08:01:27,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:27,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:27,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:27,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:27,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:27,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:27,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:27,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:27,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:27,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:27,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:27,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:27,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:27,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:27,163 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size [2021-06-11 08:01:27,169 INFO L147 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size 1 [2021-06-11 08:01:27,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:27,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:27,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:27,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:27,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:27,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 08:01:27,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:27,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 08:01:27,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 08:01:27,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:27,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:27,459 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-06-11 08:01:27,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:27,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:27,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 08:01:27,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:27,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 08:01:27,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:27,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 08:01:27,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 08:01:27,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 08:01:27,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:27,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 08:01:27,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:27,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 08:01:27,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 08:01:27,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 08:01:27,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:27,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 08:01:27,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 08:01:27,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:27,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:27,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:27,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:27,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:27,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:27,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:27,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:27,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:27,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 08:01:27,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:27,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 08:01:27,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 08:01:27,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:27,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:27,983 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size [2021-06-11 08:01:27,985 INFO L147 QuantifierPusher]: treesize reduction 10, result has 9.1 percent of original size 1 [2021-06-11 08:01:28,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:28,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:28,138 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2021-06-11 08:01:28,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:28,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 08:01:28,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:28,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 08:01:28,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:28,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 08:01:28,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 08:01:28,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 08:01:28,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:28,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 08:01:28,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:28,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 08:01:28,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 08:01:28,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 08:01:28,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:28,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 08:01:28,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-06-11 08:01:28,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:28,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:28,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:28,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:28,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:28,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:28,460 INFO L142 QuantifierPusher]: treesize reduction 8, result has 33.3 percent of original size [2021-06-11 08:01:28,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:28,616 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.4 percent of original size [2021-06-11 08:01:28,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 08:01:28,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:28,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 08:01:28,621 INFO L147 QuantifierPusher]: treesize reduction 12, result has 53.8 percent of original size 14 [2021-06-11 08:01:28,889 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2021-06-11 08:01:28,930 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-06-11 08:01:28,931 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 1] term [2021-06-11 08:01:28,931 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 08:01:28,932 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:28,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 08:01:29,171 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2021-06-11 08:01:29,279 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-06-11 08:01:29,525 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2021-06-11 08:01:29,640 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-06-11 08:01:29,644 INFO L142 QuantifierPusher]: treesize reduction 3, result has 97.5 percent of original size [2021-06-11 08:01:29,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 08:01:29,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:29,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 08:01:29,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 08:01:29,657 INFO L163 LiptonReduction]: Checked pairs total: 9965 [2021-06-11 08:01:29,657 INFO L165 LiptonReduction]: Total number of compositions: 73 [2021-06-11 08:01:29,657 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3475 [2021-06-11 08:01:29,658 INFO L129 PetriNetUnfolder]: 1/7 cut-off events. [2021-06-11 08:01:29,658 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 08:01:29,658 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 08:01:29,659 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2021-06-11 08:01:29,659 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 08:01:29,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 08:01:29,659 INFO L82 PathProgramCache]: Analyzing trace with hash 41250959, now seen corresponding path program 1 times [2021-06-11 08:01:29,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 08:01:29,659 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908838042] [2021-06-11 08:01:29,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 08:01:29,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 08:01:29,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:29,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:29,670 INFO L142 QuantifierPusher]: treesize reduction 4, result has 42.9 percent of original size [2021-06-11 08:01:29,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 08:01:29,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 08:01:29,673 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908838042] [2021-06-11 08:01:29,673 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 08:01:29,674 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 08:01:29,674 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263682609] [2021-06-11 08:01:29,674 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 08:01:29,674 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 08:01:29,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 08:01:29,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 08:01:29,675 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 191 [2021-06-11 08:01:29,675 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 46 transitions, 190 flow. Second operand has 3 states, 3 states have (on average 162.0) internal successors, (486), 3 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 08:01:29,675 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 08:01:29,675 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 191 [2021-06-11 08:01:29,676 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 08:01:29,787 INFO L129 PetriNetUnfolder]: 456/1524 cut-off events. [2021-06-11 08:01:29,788 INFO L130 PetriNetUnfolder]: For 525/532 co-relation queries the response was YES. [2021-06-11 08:01:29,791 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2792 conditions, 1524 events. 456/1524 cut-off events. For 525/532 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 10229 event pairs, 201 based on Foata normal form. 0/1132 useless extension candidates. Maximal degree in co-relation 1365. Up to 514 conditions per place. [2021-06-11 08:01:29,794 INFO L132 encePairwiseOnDemand]: 188/191 looper letters, 3 selfloop transitions, 2 changer transitions 2/48 dead transitions. [2021-06-11 08:01:29,795 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 48 transitions, 208 flow [2021-06-11 08:01:29,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 08:01:29,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 08:01:29,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 491 transitions. [2021-06-11 08:01:29,796 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8568935427574171 [2021-06-11 08:01:29,796 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 491 transitions. [2021-06-11 08:01:29,796 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 491 transitions. [2021-06-11 08:01:29,797 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 08:01:29,797 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 491 transitions. [2021-06-11 08:01:29,797 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 163.66666666666666) internal successors, (491), 3 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 08:01:29,798 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 08:01:29,798 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 08:01:29,798 INFO L185 Difference]: Start difference. First operand has 53 places, 46 transitions, 190 flow. Second operand 3 states and 491 transitions. [2021-06-11 08:01:29,799 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 48 transitions, 208 flow [2021-06-11 08:01:29,800 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 48 transitions, 208 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-11 08:01:29,801 INFO L241 Difference]: Finished difference. Result has 56 places, 46 transitions, 200 flow [2021-06-11 08:01:29,801 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=200, PETRI_PLACES=56, PETRI_TRANSITIONS=46} [2021-06-11 08:01:29,801 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 3 predicate places. [2021-06-11 08:01:29,801 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 08:01:29,801 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 46 transitions, 200 flow [2021-06-11 08:01:29,801 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 46 transitions, 200 flow [2021-06-11 08:01:29,802 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 46 transitions, 200 flow [2021-06-11 08:01:29,864 INFO L129 PetriNetUnfolder]: 456/1268 cut-off events. [2021-06-11 08:01:29,864 INFO L130 PetriNetUnfolder]: For 653/656 co-relation queries the response was YES. [2021-06-11 08:01:29,867 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2408 conditions, 1268 events. 456/1268 cut-off events. For 653/656 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 7480 event pairs, 201 based on Foata normal form. 0/1132 useless extension candidates. Maximal degree in co-relation 1246. Up to 448 conditions per place. [2021-06-11 08:01:29,875 INFO L151 LiptonReduction]: Number of co-enabled transitions 1176 [2021-06-11 08:01:29,902 INFO L163 LiptonReduction]: Checked pairs total: 1036 [2021-06-11 08:01:29,902 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 08:01:29,902 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 101 [2021-06-11 08:01:29,902 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 46 transitions, 200 flow [2021-06-11 08:01:29,903 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 162.0) internal successors, (486), 3 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 08:01:29,903 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 08:01:29,903 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-06-11 08:01:29,903 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-06-11 08:01:29,903 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 08:01:29,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 08:01:29,903 INFO L82 PathProgramCache]: Analyzing trace with hash 1278780972, now seen corresponding path program 1 times [2021-06-11 08:01:29,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 08:01:29,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087733572] [2021-06-11 08:01:29,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 08:01:29,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 08:01:29,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:29,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 08:01:29,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:29,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 08:01:29,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:29,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 08:01:29,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:29,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:29,927 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 08:01:29,927 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087733572] [2021-06-11 08:01:29,928 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 08:01:29,928 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 08:01:29,928 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653146840] [2021-06-11 08:01:29,928 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 08:01:29,928 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 08:01:29,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 08:01:29,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-11 08:01:29,929 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 191 [2021-06-11 08:01:29,930 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 46 transitions, 200 flow. Second operand has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 08:01:29,930 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 08:01:29,930 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 191 [2021-06-11 08:01:29,930 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 08:01:30,030 INFO L129 PetriNetUnfolder]: 469/1320 cut-off events. [2021-06-11 08:01:30,030 INFO L130 PetriNetUnfolder]: For 681/687 co-relation queries the response was YES. [2021-06-11 08:01:30,034 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3308 conditions, 1320 events. 469/1320 cut-off events. For 681/687 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 8038 event pairs, 222 based on Foata normal form. 9/1194 useless extension candidates. Maximal degree in co-relation 1658. Up to 672 conditions per place. [2021-06-11 08:01:30,037 INFO L132 encePairwiseOnDemand]: 184/191 looper letters, 9 selfloop transitions, 6 changer transitions 3/53 dead transitions. [2021-06-11 08:01:30,037 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 53 transitions, 256 flow [2021-06-11 08:01:30,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 08:01:30,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 08:01:30,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 492 transitions. [2021-06-11 08:01:30,038 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.643979057591623 [2021-06-11 08:01:30,038 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 492 transitions. [2021-06-11 08:01:30,038 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 492 transitions. [2021-06-11 08:01:30,038 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 08:01:30,038 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 492 transitions. [2021-06-11 08:01:30,039 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 123.0) internal successors, (492), 4 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 08:01:30,040 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 191.0) internal successors, (955), 5 states have internal predecessors, (955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 08:01:30,040 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 191.0) internal successors, (955), 5 states have internal predecessors, (955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 08:01:30,040 INFO L185 Difference]: Start difference. First operand has 55 places, 46 transitions, 200 flow. Second operand 4 states and 492 transitions. [2021-06-11 08:01:30,040 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 53 transitions, 256 flow [2021-06-11 08:01:30,048 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 53 transitions, 250 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-06-11 08:01:30,049 INFO L241 Difference]: Finished difference. Result has 59 places, 48 transitions, 224 flow [2021-06-11 08:01:30,049 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=224, PETRI_PLACES=59, PETRI_TRANSITIONS=48} [2021-06-11 08:01:30,049 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 6 predicate places. [2021-06-11 08:01:30,049 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 08:01:30,049 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 48 transitions, 224 flow [2021-06-11 08:01:30,050 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 48 transitions, 224 flow [2021-06-11 08:01:30,050 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 48 transitions, 224 flow [2021-06-11 08:01:30,108 INFO L129 PetriNetUnfolder]: 469/1311 cut-off events. [2021-06-11 08:01:30,108 INFO L130 PetriNetUnfolder]: For 645/649 co-relation queries the response was YES. [2021-06-11 08:01:30,112 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2922 conditions, 1311 events. 469/1311 cut-off events. For 645/649 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 7918 event pairs, 222 based on Foata normal form. 0/1184 useless extension candidates. Maximal degree in co-relation 1640. Up to 469 conditions per place. [2021-06-11 08:01:30,121 INFO L151 LiptonReduction]: Number of co-enabled transitions 1224 [2021-06-11 08:01:30,123 INFO L163 LiptonReduction]: Checked pairs total: 1068 [2021-06-11 08:01:30,123 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 08:01:30,123 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 74 [2021-06-11 08:01:30,124 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 48 transitions, 224 flow [2021-06-11 08:01:30,124 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 08:01:30,124 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 08:01:30,124 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 08:01:30,124 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-06-11 08:01:30,124 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 08:01:30,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 08:01:30,125 INFO L82 PathProgramCache]: Analyzing trace with hash -861210519, now seen corresponding path program 1 times [2021-06-11 08:01:30,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 08:01:30,125 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949933820] [2021-06-11 08:01:30,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 08:01:30,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 08:01:30,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:30,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 08:01:30,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:30,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 08:01:30,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:30,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 08:01:30,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:30,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 08:01:30,166 INFO L142 QuantifierPusher]: treesize reduction 43, result has 25.9 percent of original size [2021-06-11 08:01:30,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 08:01:30,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:30,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 08:01:30,181 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-11 08:01:30,181 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949933820] [2021-06-11 08:01:30,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1956266609] [2021-06-11 08:01:30,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 08:01:30,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 08:01:30,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-11 08:01:30,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 08:01:30,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:30,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 08:01:30,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:30,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 08:01:30,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:30,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 08:01:30,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:30,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 08:01:30,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:30,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 08:01:30,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:30,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 08:01:30,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:30,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 08:01:30,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:30,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 08:01:30,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:30,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 08:01:30,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:30,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 08:01:30,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:30,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 08:01:30,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:30,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 08:01:30,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:30,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 08:01:30,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:30,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 08:01:30,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 08:01:30,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:30,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 08:01:30,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:30,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 08:01:30,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 08:01:30,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:30,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 08:01:30,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:30,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 08:01:30,321 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-06-11 08:01:30,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 08:01:30,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:30,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 08:01:30,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 08:01:30,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:30,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 08:01:30,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:30,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 08:01:30,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:30,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 08:01:30,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 08:01:30,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 08:01:30,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:30,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:30,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:30,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:30,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:30,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:30,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:30,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:30,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:30,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:30,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:30,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:30,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:30,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:30,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:30,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:30,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:30,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:30,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:30,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:30,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:30,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:30,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:30,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:30,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:30,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:30,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:30,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:30,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:30,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:30,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:30,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:30,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:30,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:30,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:30,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:30,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:30,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:30,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:30,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:30,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:30,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:30,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:30,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:30,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:30,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:30,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:30,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:30,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:30,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:30,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 08:01:30,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 08:01:30,342 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-11 08:01:30,342 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 08:01:30,342 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3] total 9 [2021-06-11 08:01:30,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747333701] [2021-06-11 08:01:30,343 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-11 08:01:30,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 08:01:30,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-11 08:01:30,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-06-11 08:01:30,344 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 191 [2021-06-11 08:01:30,345 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 48 transitions, 224 flow. Second operand has 10 states, 10 states have (on average 69.6) internal successors, (696), 10 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 08:01:30,345 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 08:01:30,345 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 191 [2021-06-11 08:01:30,345 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2021-06-11 08:06:28,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-11 08:06:29,087 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-06-11 08:06:29,087 WARN L545 AbstractCegarLoop]: Verification canceled [2021-06-11 08:06:29,090 WARN L224 ceAbstractionStarter]: Timeout [2021-06-11 08:06:29,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.06 08:06:29 BasicIcfg [2021-06-11 08:06:29,090 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-11 08:06:29,091 INFO L168 Benchmark]: Toolchain (without parser) took 780752.44 ms. Allocated memory was 348.1 MB in the beginning and 15.4 GB in the end (delta: 15.0 GB). Free memory was 310.8 MB in the beginning and 7.8 GB in the end (delta: -7.5 GB). Peak memory consumption was 7.7 GB. Max. memory is 16.0 GB. [2021-06-11 08:06:29,091 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 348.1 MB. Free memory is still 328.9 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 08:06:29,091 INFO L168 Benchmark]: CACSL2BoogieTranslator took 547.17 ms. Allocated memory is still 348.1 MB. Free memory was 310.6 MB in the beginning and 311.0 MB in the end (delta: -475.8 kB). Peak memory consumption was 6.9 MB. Max. memory is 16.0 GB. [2021-06-11 08:06:29,091 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.29 ms. Allocated memory is still 348.1 MB. Free memory was 311.0 MB in the beginning and 310.0 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 08:06:29,091 INFO L168 Benchmark]: Boogie Preprocessor took 34.95 ms. Allocated memory is still 348.1 MB. Free memory was 310.0 MB in the beginning and 307.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-11 08:06:29,091 INFO L168 Benchmark]: RCFGBuilder took 451.62 ms. Allocated memory is still 348.1 MB. Free memory was 307.9 MB in the beginning and 283.8 MB in the end (delta: 24.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-06-11 08:06:29,091 INFO L168 Benchmark]: TraceAbstraction took 779641.36 ms. Allocated memory was 348.1 MB in the beginning and 15.4 GB in the end (delta: 15.0 GB). Free memory was 283.8 MB in the beginning and 7.8 GB in the end (delta: -7.5 GB). Peak memory consumption was 7.7 GB. Max. memory is 16.0 GB. [2021-06-11 08:06:29,091 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 348.1 MB. Free memory is still 328.9 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 547.17 ms. Allocated memory is still 348.1 MB. Free memory was 310.6 MB in the beginning and 311.0 MB in the end (delta: -475.8 kB). Peak memory consumption was 6.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 62.29 ms. Allocated memory is still 348.1 MB. Free memory was 311.0 MB in the beginning and 310.0 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 34.95 ms. Allocated memory is still 348.1 MB. Free memory was 310.0 MB in the beginning and 307.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 451.62 ms. Allocated memory is still 348.1 MB. Free memory was 307.9 MB in the beginning and 283.8 MB in the end (delta: 24.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 779641.36 ms. Allocated memory was 348.1 MB in the beginning and 15.4 GB in the end (delta: 15.0 GB). Free memory was 283.8 MB in the beginning and 7.8 GB in the end (delta: -7.5 GB). Peak memory consumption was 7.7 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3437.9ms, 65 PlacesBefore, 15 PlacesAfterwards, 68 TransitionsBefore, 14 TransitionsAfterwards, 300 CoEnabledTransitionPairs, 7 FixpointIterations, 29 TrivialSequentialCompositions, 23 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 4 ConcurrentYvCompositions, 4 ChoiceCompositions, 61 TotalNumberOfCompositions, 207 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 188, positive: 184, positive conditional: 0, positive unconditional: 184, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 176, positive: 172, positive conditional: 0, positive unconditional: 172, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 176, positive: 172, positive conditional: 0, positive unconditional: 172, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 176, positive: 172, positive conditional: 0, positive unconditional: 172, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 22, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 188, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 176, unknown conditional: 0, unknown unconditional: 176] , Statistics on independence cache: Total cache size (in pairs): 297, Positive cache size: 293, Positive conditional cache size: 0, Positive unconditional cache size: 293, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.7ms, 18 PlacesBefore, 17 PlacesAfterwards, 14 TransitionsBefore, 14 TransitionsAfterwards, 18 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 297, Positive cache size: 293, Positive conditional cache size: 0, Positive unconditional cache size: 293, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.8ms, 20 PlacesBefore, 19 PlacesAfterwards, 14 TransitionsBefore, 14 TransitionsAfterwards, 10 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 297, Positive cache size: 293, Positive conditional cache size: 0, Positive unconditional cache size: 293, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2818.1ms, 73 PlacesBefore, 23 PlacesAfterwards, 75 TransitionsBefore, 21 TransitionsAfterwards, 760 CoEnabledTransitionPairs, 7 FixpointIterations, 26 TrivialSequentialCompositions, 26 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 4 ConcurrentYvCompositions, 4 ChoiceCompositions, 61 TotalNumberOfCompositions, 1413 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 883, positive: 826, positive conditional: 0, positive unconditional: 826, negative: 57, negative conditional: 0, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 515, positive: 495, positive conditional: 0, positive unconditional: 495, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 515, positive: 495, positive conditional: 0, positive unconditional: 495, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 515, positive: 493, positive conditional: 0, positive unconditional: 493, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 22, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 108, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 99, negative conditional: 0, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 883, positive: 331, positive conditional: 0, positive unconditional: 331, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 515, unknown conditional: 0, unknown unconditional: 515] , Statistics on independence cache: Total cache size (in pairs): 865, Positive cache size: 845, Positive conditional cache size: 0, Positive unconditional cache size: 845, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 22.8ms, 26 PlacesBefore, 25 PlacesAfterwards, 21 TransitionsBefore, 21 TransitionsAfterwards, 156 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 116 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 48, positive: 40, positive conditional: 0, positive unconditional: 40, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 16, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 48, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , Statistics on independence cache: Total cache size (in pairs): 873, Positive cache size: 849, Positive conditional cache size: 0, Positive unconditional cache size: 849, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.5ms, 29 PlacesBefore, 28 PlacesAfterwards, 23 TransitionsBefore, 23 TransitionsAfterwards, 162 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 120 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 56, positive: 48, positive conditional: 0, positive unconditional: 48, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 56, positive: 46, positive conditional: 0, positive unconditional: 46, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 875, Positive cache size: 851, Positive conditional cache size: 0, Positive unconditional cache size: 851, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2898.6ms, 81 PlacesBefore, 29 PlacesAfterwards, 82 TransitionsBefore, 26 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 7 FixpointIterations, 28 TrivialSequentialCompositions, 29 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 4 ConcurrentYvCompositions, 4 ChoiceCompositions, 67 TotalNumberOfCompositions, 2377 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1134, positive: 1054, positive conditional: 0, positive unconditional: 1054, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 700, positive: 674, positive conditional: 0, positive unconditional: 674, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 700, positive: 674, positive conditional: 0, positive unconditional: 674, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 700, positive: 670, positive conditional: 0, positive unconditional: 670, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 106, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 88, negative conditional: 0, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1134, positive: 380, positive conditional: 0, positive unconditional: 380, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 700, unknown conditional: 0, unknown unconditional: 700] , Statistics on independence cache: Total cache size (in pairs): 1013, Positive cache size: 987, Positive conditional cache size: 0, Positive unconditional cache size: 987, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.5ms, 32 PlacesBefore, 31 PlacesAfterwards, 26 TransitionsBefore, 26 TransitionsAfterwards, 288 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 228 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 79, positive: 67, positive conditional: 0, positive unconditional: 67, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 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] , ConditionTransformingIndependenceRelation.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: 79, positive: 66, positive conditional: 0, positive unconditional: 66, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 1014, Positive cache size: 988, Positive conditional cache size: 0, Positive unconditional cache size: 988, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 33.4ms, 35 PlacesBefore, 34 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 312 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 244 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 109, positive: 97, positive conditional: 0, positive unconditional: 97, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 23, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 23, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 20, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 109, positive: 80, positive conditional: 0, positive unconditional: 80, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 23, unknown conditional: 0, unknown unconditional: 23] , Statistics on independence cache: Total cache size (in pairs): 1037, Positive cache size: 1005, Positive conditional cache size: 0, Positive unconditional cache size: 1005, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2870.4ms, 89 PlacesBefore, 35 PlacesAfterwards, 89 TransitionsBefore, 31 TransitionsAfterwards, 1840 CoEnabledTransitionPairs, 7 FixpointIterations, 28 TrivialSequentialCompositions, 31 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 4 ConcurrentYvCompositions, 4 ChoiceCompositions, 68 TotalNumberOfCompositions, 3986 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1251, positive: 1140, positive conditional: 0, positive unconditional: 1140, negative: 111, negative conditional: 0, negative unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 908, positive: 871, positive conditional: 0, positive unconditional: 871, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 908, positive: 871, positive conditional: 0, positive unconditional: 871, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 908, positive: 871, positive conditional: 0, positive unconditional: 871, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 37, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 101, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 101, negative conditional: 0, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1251, positive: 269, positive conditional: 0, positive unconditional: 269, negative: 74, negative conditional: 0, negative unconditional: 74, unknown: 908, unknown conditional: 0, unknown unconditional: 908] , Statistics on independence cache: Total cache size (in pairs): 1331, Positive cache size: 1294, Positive conditional cache size: 0, Positive unconditional cache size: 1294, Negative cache size: 37, Negative conditional cache size: 0, Negative unconditional cache size: 37 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.0ms, 38 PlacesBefore, 37 PlacesAfterwards, 31 TransitionsBefore, 31 TransitionsAfterwards, 456 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 376 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 42, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.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: 42, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 1332, Positive cache size: 1295, Positive conditional cache size: 0, Positive unconditional cache size: 1295, Negative cache size: 37, Negative conditional cache size: 0, Negative unconditional cache size: 37 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 17.2ms, 41 PlacesBefore, 40 PlacesAfterwards, 33 TransitionsBefore, 33 TransitionsAfterwards, 486 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 396 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 32, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 32, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1332, Positive cache size: 1295, Positive conditional cache size: 0, Positive unconditional cache size: 1295, Negative cache size: 37, Negative conditional cache size: 0, Negative unconditional cache size: 37 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 185.0ms, 65 PlacesBefore, 65 PlacesAfterwards, 81 TransitionsBefore, 81 TransitionsAfterwards, 906 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1931 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 57, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.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: 57, positive: 19, positive conditional: 0, positive unconditional: 19, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 1333, Positive cache size: 1296, Positive conditional cache size: 0, Positive unconditional cache size: 1296, Negative cache size: 37, Negative conditional cache size: 0, Negative unconditional cache size: 37 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2996.8ms, 97 PlacesBefore, 41 PlacesAfterwards, 96 TransitionsBefore, 36 TransitionsAfterwards, 2500 CoEnabledTransitionPairs, 7 FixpointIterations, 27 TrivialSequentialCompositions, 33 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 4 ConcurrentYvCompositions, 4 ChoiceCompositions, 69 TotalNumberOfCompositions, 5796 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1729, positive: 1589, positive conditional: 0, positive unconditional: 1589, negative: 140, negative conditional: 0, negative unconditional: 140, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1251, positive: 1203, positive conditional: 0, positive unconditional: 1203, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1251, positive: 1203, positive conditional: 0, positive unconditional: 1203, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1251, positive: 1193, positive conditional: 0, positive unconditional: 1193, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 191, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 157, negative conditional: 0, negative unconditional: 157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1729, positive: 386, positive conditional: 0, positive unconditional: 386, negative: 92, negative conditional: 0, negative unconditional: 92, unknown: 1251, unknown conditional: 0, unknown unconditional: 1251] , Statistics on independence cache: Total cache size (in pairs): 1827, Positive cache size: 1779, Positive conditional cache size: 0, Positive unconditional cache size: 1779, Negative cache size: 48, Negative conditional cache size: 0, Negative unconditional cache size: 48 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 24.7ms, 44 PlacesBefore, 43 PlacesAfterwards, 36 TransitionsBefore, 36 TransitionsAfterwards, 660 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 560 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 52, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 52, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1827, Positive cache size: 1779, Positive conditional cache size: 0, Positive unconditional cache size: 1779, Negative cache size: 48, Negative conditional cache size: 0, Negative unconditional cache size: 48 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 28.7ms, 47 PlacesBefore, 46 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 696 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 584 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 52, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 52, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , Statistics on independence cache: Total cache size (in pairs): 1832, Positive cache size: 1784, Positive conditional cache size: 0, Positive unconditional cache size: 1784, Negative cache size: 48, Negative conditional cache size: 0, Negative unconditional cache size: 48 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1188.4ms, 71 PlacesBefore, 71 PlacesAfterwards, 95 TransitionsBefore, 95 TransitionsAfterwards, 1340 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 3065 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 433, positive: 386, positive conditional: 0, positive unconditional: 386, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 433, positive: 381, positive conditional: 0, positive unconditional: 381, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 1838, Positive cache size: 1789, Positive conditional cache size: 0, Positive unconditional cache size: 1789, Negative cache size: 49, Negative conditional cache size: 0, Negative unconditional cache size: 49 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3274.7ms, 105 PlacesBefore, 47 PlacesAfterwards, 103 TransitionsBefore, 41 TransitionsAfterwards, 3240 CoEnabledTransitionPairs, 7 FixpointIterations, 27 TrivialSequentialCompositions, 35 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 4 ConcurrentYvCompositions, 4 ChoiceCompositions, 71 TotalNumberOfCompositions, 7695 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2689, positive: 2524, positive conditional: 0, positive unconditional: 2524, negative: 165, negative conditional: 0, negative unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1634, positive: 1568, positive conditional: 0, positive unconditional: 1568, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1634, positive: 1568, positive conditional: 0, positive unconditional: 1568, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1634, positive: 1544, positive conditional: 0, positive unconditional: 1544, negative: 90, negative conditional: 0, negative unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 90, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 310, positive: 73, positive conditional: 0, positive unconditional: 73, negative: 237, negative conditional: 0, negative unconditional: 237, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2689, positive: 956, positive conditional: 0, positive unconditional: 956, negative: 99, negative conditional: 0, negative unconditional: 99, unknown: 1634, unknown conditional: 0, unknown unconditional: 1634] , Statistics on independence cache: Total cache size (in pairs): 2312, Positive cache size: 2246, Positive conditional cache size: 0, Positive unconditional cache size: 2246, Negative cache size: 66, Negative conditional cache size: 0, Negative unconditional cache size: 66 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 91.4ms, 50 PlacesBefore, 49 PlacesAfterwards, 41 TransitionsBefore, 41 TransitionsAfterwards, 900 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 780 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 47, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 13, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 13, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 12, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 50, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 47, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 13, unknown conditional: 0, unknown unconditional: 13] , Statistics on independence cache: Total cache size (in pairs): 2325, Positive cache size: 2247, Positive conditional cache size: 0, Positive unconditional cache size: 2247, Negative cache size: 78, Negative conditional cache size: 0, Negative unconditional cache size: 78 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 50.0ms, 53 PlacesBefore, 52 PlacesAfterwards, 43 TransitionsBefore, 43 TransitionsAfterwards, 942 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 808 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 189, positive: 165, positive conditional: 0, positive unconditional: 165, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 0, positive unconditional: 10, 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: 10, positive: 10, positive conditional: 0, positive unconditional: 10, 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: 189, positive: 155, positive conditional: 0, positive unconditional: 155, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 10, unknown conditional: 0, unknown unconditional: 10] , Statistics on independence cache: Total cache size (in pairs): 2335, Positive cache size: 2257, Positive conditional cache size: 0, Positive unconditional cache size: 2257, Negative cache size: 78, Negative conditional cache size: 0, Negative unconditional cache size: 78 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3675.9ms, 83 PlacesBefore, 83 PlacesAfterwards, 98 TransitionsBefore, 98 TransitionsAfterwards, 1900 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 4266 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 906, positive: 840, positive conditional: 0, positive unconditional: 840, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 24, positive: 24, positive conditional: 0, positive unconditional: 24, 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: 24, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.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.Query Time [ms]: [ total: 14, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 906, positive: 816, positive conditional: 0, positive unconditional: 816, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 24, unknown conditional: 0, unknown unconditional: 24] , Statistics on independence cache: Total cache size (in pairs): 2405, Positive cache size: 2327, Positive conditional cache size: 0, Positive unconditional cache size: 2327, Negative cache size: 78, Negative conditional cache size: 0, Negative unconditional cache size: 78 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3514.2ms, 90 PlacesBefore, 90 PlacesAfterwards, 102 TransitionsBefore, 102 TransitionsAfterwards, 2014 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 2232 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 257, positive: 224, positive conditional: 0, positive unconditional: 224, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 257, positive: 224, positive conditional: 0, positive unconditional: 224, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2405, Positive cache size: 2327, Positive conditional cache size: 0, Positive unconditional cache size: 2327, Negative cache size: 78, Negative conditional cache size: 0, Negative unconditional cache size: 78 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3474.3ms, 113 PlacesBefore, 53 PlacesAfterwards, 110 TransitionsBefore, 46 TransitionsAfterwards, 4060 CoEnabledTransitionPairs, 7 FixpointIterations, 27 TrivialSequentialCompositions, 37 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 4 ConcurrentYvCompositions, 4 ChoiceCompositions, 73 TotalNumberOfCompositions, 9965 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2919, positive: 2727, positive conditional: 0, positive unconditional: 2727, negative: 192, negative conditional: 0, negative unconditional: 192, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2086, positive: 2007, positive conditional: 0, positive unconditional: 2007, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2086, positive: 2007, positive conditional: 0, positive unconditional: 2007, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2086, positive: 1977, positive conditional: 0, positive unconditional: 1977, negative: 109, negative conditional: 0, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 109, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 325, positive: 91, positive conditional: 0, positive unconditional: 91, negative: 234, negative conditional: 0, negative unconditional: 234, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2919, positive: 720, positive conditional: 0, positive unconditional: 720, negative: 113, negative conditional: 0, negative unconditional: 113, unknown: 2086, unknown conditional: 0, unknown unconditional: 2086] , Statistics on independence cache: Total cache size (in pairs): 2904, Positive cache size: 2825, Positive conditional cache size: 0, Positive unconditional cache size: 2825, Negative cache size: 79, Negative conditional cache size: 0, Negative unconditional cache size: 79 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 100.5ms, 56 PlacesBefore, 55 PlacesAfterwards, 46 TransitionsBefore, 46 TransitionsAfterwards, 1176 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1036 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 140, positive: 112, positive conditional: 0, positive unconditional: 112, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 22, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 140, positive: 112, positive conditional: 0, positive unconditional: 112, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 10, unknown conditional: 0, unknown unconditional: 10] , Statistics on independence cache: Total cache size (in pairs): 2914, Positive cache size: 2825, Positive conditional cache size: 0, Positive unconditional cache size: 2825, Negative cache size: 89, Negative conditional cache size: 0, Negative unconditional cache size: 89 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 73.5ms, 59 PlacesBefore, 58 PlacesAfterwards, 48 TransitionsBefore, 48 TransitionsAfterwards, 1224 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1068 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 140, positive: 112, positive conditional: 0, positive unconditional: 112, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 0, positive unconditional: 7, 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: 140, positive: 105, positive conditional: 0, positive unconditional: 105, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , Statistics on independence cache: Total cache size (in pairs): 2921, Positive cache size: 2832, Positive conditional cache size: 0, Positive unconditional cache size: 2832, Negative cache size: 89, Negative conditional cache size: 0, Negative unconditional cache size: 89 - TimeoutResultAtElement [Line: 689]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable (line 689). Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was enhancing Floyd-Hoare automaton (10states, 67/191 universal loopers) in iteration 3,while PetriNetUnfolder was constructing finite prefix that currently has 2949309 conditions, 1288443 events (1055170/1288442 cut-off events. For 899546/899546 co-relation queries the response was YES. Maximal size of possible extension queue 63567. Compared 8237416 event pairs, 199453 based on Foata normal form. 4/1338856 useless extension candidates. Maximal degree in co-relation 2585857. Up to 431653 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 69 locations, 1 error locations. Started 7 CEGAR loops. EmptinessCheckTime: 9.2ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 779377.4ms, OverallIterations: 25, TraceHistogramMax: 6, EmptinessCheckTime: 0.0ms, AutomataDifference: 744203.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 22824.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 198 SDtfs, 586 SDslu, 589 SDs, 0 SdLazy, 1437 SolverSat, 393 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1029.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 197 GetRequests, 72 SyntacticMatches, 1 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 404 ImplicationChecksByTransitivity, 1261.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=762occurred in iteration=4, InterpolantAutomatonStates: 112, 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: 72.4ms SsaConstructionTime, 301.3ms SatisfiabilityAnalysisTime, 1160.2ms InterpolantComputationTime, 284 NumberOfCodeBlocks, 284 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 185 ConstructedInterpolants, 0 QuantifiedInterpolants, 1030 SizeOfPredicates, 14 NumberOfNonLiveVariables, 525 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 24 InterpolantComputations, 14 PerfectInterpolantSequences, 22/45 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown