/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-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-divine/ring_1w1r-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-11 03:12:43,876 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-11 03:12:43,879 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-11 03:12:43,919 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-11 03:12:43,920 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-11 03:12:43,923 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-11 03:12:43,925 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-11 03:12:43,931 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-11 03:12:43,933 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-11 03:12:43,938 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-11 03:12:43,939 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-11 03:12:43,940 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-11 03:12:43,940 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-11 03:12:43,942 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-11 03:12:43,943 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-11 03:12:43,944 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-11 03:12:43,947 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-11 03:12:43,948 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-11 03:12:43,950 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-11 03:12:43,954 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-11 03:12:43,955 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-11 03:12:43,956 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-11 03:12:43,957 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-11 03:12:43,957 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-11 03:12:43,959 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-11 03:12:43,961 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-11 03:12:43,962 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-11 03:12:43,963 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-11 03:12:43,963 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-11 03:12:43,964 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-11 03:12:43,964 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-11 03:12:43,965 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-11 03:12:43,965 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-11 03:12:43,965 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-11 03:12:43,966 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-11 03:12:43,966 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-11 03:12:43,972 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-NoLbe.epf [2021-03-11 03:12:44,004 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-11 03:12:44,004 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-11 03:12:44,007 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-11 03:12:44,007 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-11 03:12:44,007 INFO L138 SettingsManager]: * Use SBE=true [2021-03-11 03:12:44,008 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-11 03:12:44,008 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-11 03:12:44,008 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-11 03:12:44,008 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-11 03:12:44,008 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-11 03:12:44,009 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-11 03:12:44,009 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-11 03:12:44,009 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-11 03:12:44,009 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-11 03:12:44,009 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-11 03:12:44,009 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-11 03:12:44,009 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-11 03:12:44,010 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-11 03:12:44,010 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-11 03:12:44,010 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-11 03:12:44,010 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-11 03:12:44,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 03:12:44,010 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-11 03:12:44,010 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-11 03:12:44,010 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-11 03:12:44,011 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-11 03:12:44,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-11 03:12:44,011 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-11 03:12:44,011 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-11 03:12:44,011 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-11 03:12:44,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-11 03:12:44,292 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-11 03:12:44,294 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-11 03:12:44,295 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-11 03:12:44,295 INFO L275 PluginConnector]: CDTParser initialized [2021-03-11 03:12:44,296 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-divine/ring_1w1r-2.i [2021-03-11 03:12:44,341 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00b765184/a6ea690d78d84eedbba4f648077b1c74/FLAG40fbaf15f [2021-03-11 03:12:44,840 INFO L306 CDTParser]: Found 1 translation units. [2021-03-11 03:12:44,841 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_1w1r-2.i [2021-03-11 03:12:44,860 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00b765184/a6ea690d78d84eedbba4f648077b1c74/FLAG40fbaf15f [2021-03-11 03:12:45,370 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00b765184/a6ea690d78d84eedbba4f648077b1c74 [2021-03-11 03:12:45,372 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-11 03:12:45,377 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-11 03:12:45,378 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-11 03:12:45,378 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-11 03:12:45,381 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-11 03:12:45,381 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 03:12:45" (1/1) ... [2021-03-11 03:12:45,382 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@541a29f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 03:12:45, skipping insertion in model container [2021-03-11 03:12:45,382 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 03:12:45" (1/1) ... [2021-03-11 03:12:45,388 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-11 03:12:45,414 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-11 03:12:45,526 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-03-11 03:12:45,739 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-divine/ring_1w1r-2.i[39095,39108] [2021-03-11 03:12:45,747 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-divine/ring_1w1r-2.i[39180,39193] [2021-03-11 03:12:45,749 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-divine/ring_1w1r-2.i[39232,39245] [2021-03-11 03:12:45,757 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 03:12:45,766 INFO L203 MainTranslator]: Completed pre-run [2021-03-11 03:12:45,783 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-03-11 03:12:45,815 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-divine/ring_1w1r-2.i[39095,39108] [2021-03-11 03:12:45,816 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-divine/ring_1w1r-2.i[39180,39193] [2021-03-11 03:12:45,816 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-divine/ring_1w1r-2.i[39232,39245] [2021-03-11 03:12:45,818 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 03:12:45,898 INFO L208 MainTranslator]: Completed translation [2021-03-11 03:12:45,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 03:12:45 WrapperNode [2021-03-11 03:12:45,899 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-11 03:12:45,900 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-11 03:12:45,900 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-11 03:12:45,900 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-11 03:12:45,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 03:12:45" (1/1) ... [2021-03-11 03:12:45,927 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 03:12:45" (1/1) ... [2021-03-11 03:12:45,947 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-11 03:12:45,948 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-11 03:12:45,948 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-11 03:12:45,948 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-11 03:12:45,954 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 03:12:45" (1/1) ... [2021-03-11 03:12:45,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 03:12:45" (1/1) ... [2021-03-11 03:12:45,956 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 03:12:45" (1/1) ... [2021-03-11 03:12:45,957 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 03:12:45" (1/1) ... [2021-03-11 03:12:45,963 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 03:12:45" (1/1) ... [2021-03-11 03:12:45,971 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 03:12:45" (1/1) ... [2021-03-11 03:12:45,973 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 03:12:45" (1/1) ... [2021-03-11 03:12:45,975 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-11 03:12:45,976 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-11 03:12:45,976 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-11 03:12:45,976 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-11 03:12:45,976 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 03:12:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 03:12:46,030 INFO L130 BoogieDeclarations]: Found specification of procedure reader_fn [2021-03-11 03:12:46,030 INFO L138 BoogieDeclarations]: Found implementation of procedure reader_fn [2021-03-11 03:12:46,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-11 03:12:46,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-11 03:12:46,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-11 03:12:46,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-11 03:12:46,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-11 03:12:46,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-11 03:12:46,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-11 03:12:46,032 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-11 03:12:46,528 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-11 03:12:46,528 INFO L299 CfgBuilder]: Removed 19 assume(true) statements. [2021-03-11 03:12:46,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 03:12:46 BoogieIcfgContainer [2021-03-11 03:12:46,529 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-11 03:12:46,531 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-11 03:12:46,531 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-11 03:12:46,533 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-11 03:12:46,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.03 03:12:45" (1/3) ... [2021-03-11 03:12:46,534 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bbe6877 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 03:12:46, skipping insertion in model container [2021-03-11 03:12:46,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 03:12:45" (2/3) ... [2021-03-11 03:12:46,534 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bbe6877 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 03:12:46, skipping insertion in model container [2021-03-11 03:12:46,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 03:12:46" (3/3) ... [2021-03-11 03:12:46,535 INFO L111 eAbstractionObserver]: Analyzing ICFG ring_1w1r-2.i [2021-03-11 03:12:46,541 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-11 03:12:46,545 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-03-11 03:12:46,545 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-11 03:12:46,597 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,597 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,597 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,598 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,598 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,598 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,598 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,598 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,598 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,598 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,599 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,599 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,599 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,599 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,599 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,599 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,599 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,599 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,599 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~last~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,600 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~last~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,600 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,600 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,600 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,600 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,600 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,600 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,601 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~last~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,601 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~last~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,601 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~last~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,601 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~last~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,601 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,601 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,601 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,601 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,602 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,602 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,602 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,602 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,602 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,602 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,602 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,602 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,603 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,603 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,603 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,603 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,603 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,603 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,603 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,603 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,603 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,604 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,604 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,604 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,604 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,604 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,604 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,604 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,604 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,604 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,604 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,605 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,605 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,605 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,605 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,605 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,605 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,605 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,605 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,605 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,606 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,606 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,606 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,606 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,606 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,606 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,606 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,606 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,607 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,607 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,607 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,607 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,607 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,607 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,607 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,607 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,607 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,608 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,608 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,608 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,608 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,608 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,608 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,608 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,608 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,608 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,609 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,609 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,609 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,609 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,609 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,609 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,609 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,609 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,609 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,610 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,610 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,610 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,610 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,610 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,610 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,610 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,610 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,610 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,611 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,611 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,611 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,611 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,611 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,611 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,611 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,611 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,611 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,612 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,612 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,612 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,612 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,612 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,612 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,612 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,612 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,613 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,613 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,613 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,613 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,613 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,613 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,613 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,614 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,614 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,614 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,614 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,614 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,614 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,614 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,614 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,615 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,615 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,615 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,615 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,615 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,615 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,615 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,615 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,616 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,616 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,616 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,616 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,616 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,616 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,616 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,617 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,617 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,617 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,617 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,617 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,617 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,617 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,617 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,617 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,618 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,618 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,618 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,618 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,618 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,618 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,618 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,618 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,618 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,619 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,619 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,619 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,619 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,619 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,619 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,619 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,619 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,619 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,620 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,620 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,620 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,620 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,620 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,620 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,620 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,620 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,621 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,621 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,621 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,621 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,621 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,621 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,621 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,622 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,622 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,622 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,622 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,622 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,622 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,622 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,622 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,623 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,623 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,623 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,623 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,623 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,623 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,623 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,624 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,624 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,624 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,624 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,624 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,624 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,624 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,624 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,624 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,625 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,625 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,625 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,625 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,625 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,625 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,625 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,626 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~last~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,626 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,626 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~last~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,626 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,626 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~last~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,626 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,626 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~last~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,626 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,627 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,627 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~last~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,627 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,627 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~last~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,627 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,627 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~pre17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,627 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,627 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~pre17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,628 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,628 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,628 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,628 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,628 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~pre17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,628 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~pre17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,630 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,630 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,630 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,630 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,630 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,630 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,631 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,631 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,631 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,631 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,631 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,631 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,631 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,631 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,632 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,632 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,632 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,632 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,632 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,632 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,632 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,632 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,632 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,633 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~last~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,633 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,633 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,633 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~pre17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,633 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,633 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:12:46,646 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-03-11 03:12:46,671 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-03-11 03:12:46,687 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-11 03:12:46,687 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-11 03:12:46,688 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-11 03:12:46,688 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-11 03:12:46,688 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-11 03:12:46,688 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-11 03:12:46,688 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-11 03:12:46,688 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-11 03:12:46,698 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 133 places, 139 transitions, 286 flow [2021-03-11 03:12:46,748 INFO L129 PetriNetUnfolder]: 10/138 cut-off events. [2021-03-11 03:12:46,749 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-11 03:12:46,753 INFO L84 FinitePrefix]: Finished finitePrefix Result has 143 conditions, 138 events. 10/138 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 243 event pairs, 0 based on Foata normal form. 0/125 useless extension candidates. Maximal degree in co-relation 105. Up to 2 conditions per place. [2021-03-11 03:12:46,754 INFO L82 GeneralOperation]: Start removeDead. Operand has 133 places, 139 transitions, 286 flow [2021-03-11 03:12:46,759 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 124 places, 130 transitions, 263 flow [2021-03-11 03:12:46,778 INFO L129 PetriNetUnfolder]: 3/48 cut-off events. [2021-03-11 03:12:46,778 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 03:12:46,778 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 03:12:46,779 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 03:12:46,780 INFO L428 AbstractCegarLoop]: === Iteration 1 === [reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 03:12:46,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 03:12:46,785 INFO L82 PathProgramCache]: Analyzing trace with hash 1330572047, now seen corresponding path program 1 times [2021-03-11 03:12:46,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 03:12:46,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326173489] [2021-03-11 03:12:46,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 03:12:46,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 03:12:46,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:12:46,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 03:12:46,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:12:46,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 03:12:46,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 03:12:46,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326173489] [2021-03-11 03:12:46,932 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 03:12:46,932 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-11 03:12:46,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120334689] [2021-03-11 03:12:46,939 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-03-11 03:12:46,940 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 03:12:46,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-03-11 03:12:46,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-03-11 03:12:46,953 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 139 [2021-03-11 03:12:46,955 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 130 transitions, 263 flow. Second operand has 2 states, 2 states have (on average 133.5) internal successors, (267), 2 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:12:46,956 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 03:12:46,956 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 139 [2021-03-11 03:12:46,957 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 03:12:46,986 INFO L129 PetriNetUnfolder]: 4/124 cut-off events. [2021-03-11 03:12:46,986 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 03:12:46,988 INFO L84 FinitePrefix]: Finished finitePrefix Result has 129 conditions, 124 events. 4/124 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 191 event pairs, 0 based on Foata normal form. 6/123 useless extension candidates. Maximal degree in co-relation 126. Up to 2 conditions per place. [2021-03-11 03:12:46,989 INFO L132 encePairwiseOnDemand]: 133/139 looper letters, 0 selfloop transitions, 0 changer transitions 0/124 dead transitions. [2021-03-11 03:12:46,989 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 124 transitions, 251 flow [2021-03-11 03:12:46,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-11 03:12:46,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-03-11 03:12:46,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 272 transitions. [2021-03-11 03:12:46,999 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.9784172661870504 [2021-03-11 03:12:46,999 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 272 transitions. [2021-03-11 03:12:47,000 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 272 transitions. [2021-03-11 03:12:47,001 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 03:12:47,003 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 272 transitions. [2021-03-11 03:12:47,005 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 136.0) internal successors, (272), 2 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:12:47,009 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:12:47,009 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:12:47,010 INFO L185 Difference]: Start difference. First operand has 124 places, 130 transitions, 263 flow. Second operand 2 states and 272 transitions. [2021-03-11 03:12:47,011 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 124 transitions, 251 flow [2021-03-11 03:12:47,014 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 124 transitions, 250 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-11 03:12:47,016 INFO L241 Difference]: Finished difference. Result has 124 places, 124 transitions, 250 flow [2021-03-11 03:12:47,018 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=250, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=250, PETRI_PLACES=124, PETRI_TRANSITIONS=124} [2021-03-11 03:12:47,018 INFO L335 CegarLoopForPetriNet]: 124 programPoint places, 0 predicate places. [2021-03-11 03:12:47,019 INFO L480 AbstractCegarLoop]: Abstraction has has 124 places, 124 transitions, 250 flow [2021-03-11 03:12:47,019 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 133.5) internal successors, (267), 2 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:12:47,019 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 03:12:47,019 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 03:12:47,019 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-11 03:12:47,020 INFO L428 AbstractCegarLoop]: === Iteration 2 === [reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 03:12:47,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 03:12:47,021 INFO L82 PathProgramCache]: Analyzing trace with hash -1701970972, now seen corresponding path program 1 times [2021-03-11 03:12:47,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 03:12:47,021 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208994349] [2021-03-11 03:12:47,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 03:12:47,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 03:12:47,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:12:47,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 03:12:47,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:12:47,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 03:12:47,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:12:47,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 03:12:47,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 03:12:47,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208994349] [2021-03-11 03:12:47,084 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 03:12:47,084 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-11 03:12:47,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60396604] [2021-03-11 03:12:47,085 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 03:12:47,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 03:12:47,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 03:12:47,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 03:12:47,087 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 139 [2021-03-11 03:12:47,088 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 124 transitions, 250 flow. Second operand has 3 states, 3 states have (on average 128.0) internal successors, (384), 3 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) [2021-03-11 03:12:47,088 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 03:12:47,088 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 139 [2021-03-11 03:12:47,088 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 03:12:47,134 INFO L129 PetriNetUnfolder]: 5/163 cut-off events. [2021-03-11 03:12:47,134 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 03:12:47,136 INFO L84 FinitePrefix]: Finished finitePrefix Result has 177 conditions, 163 events. 5/163 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 140 event pairs, 0 based on Foata normal form. 0/154 useless extension candidates. Maximal degree in co-relation 174. Up to 7 conditions per place. [2021-03-11 03:12:47,137 INFO L132 encePairwiseOnDemand]: 136/139 looper letters, 7 selfloop transitions, 2 changer transitions 0/127 dead transitions. [2021-03-11 03:12:47,137 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 127 transitions, 274 flow [2021-03-11 03:12:47,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 03:12:47,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-11 03:12:47,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 391 transitions. [2021-03-11 03:12:47,140 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.9376498800959233 [2021-03-11 03:12:47,140 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 391 transitions. [2021-03-11 03:12:47,140 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 391 transitions. [2021-03-11 03:12:47,140 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 03:12:47,141 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 391 transitions. [2021-03-11 03:12:47,142 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 130.33333333333334) internal successors, (391), 3 states have internal predecessors, (391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:12:47,143 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 139.0) internal successors, (556), 4 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:12:47,144 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 139.0) internal successors, (556), 4 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:12:47,144 INFO L185 Difference]: Start difference. First operand has 124 places, 124 transitions, 250 flow. Second operand 3 states and 391 transitions. [2021-03-11 03:12:47,144 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 127 transitions, 274 flow [2021-03-11 03:12:47,145 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 127 transitions, 274 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-11 03:12:47,148 INFO L241 Difference]: Finished difference. Result has 127 places, 125 transitions, 262 flow [2021-03-11 03:12:47,149 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=250, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=262, PETRI_PLACES=127, PETRI_TRANSITIONS=125} [2021-03-11 03:12:47,149 INFO L335 CegarLoopForPetriNet]: 124 programPoint places, 3 predicate places. [2021-03-11 03:12:47,149 INFO L480 AbstractCegarLoop]: Abstraction has has 127 places, 125 transitions, 262 flow [2021-03-11 03:12:47,150 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 128.0) internal successors, (384), 3 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) [2021-03-11 03:12:47,150 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 03:12:47,150 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 03:12:47,150 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-11 03:12:47,150 INFO L428 AbstractCegarLoop]: === Iteration 3 === [reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 03:12:47,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 03:12:47,151 INFO L82 PathProgramCache]: Analyzing trace with hash 155975240, now seen corresponding path program 1 times [2021-03-11 03:12:47,151 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 03:12:47,151 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225485190] [2021-03-11 03:12:47,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 03:12:47,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 03:12:47,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:12:47,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 03:12:47,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:12:47,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 03:12:47,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:12:47,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 03:12:47,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:12:47,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 03:12:47,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:12:47,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 03:12:47,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:12:47,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 03:12:47,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:12:47,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-11 03:12:47,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:12:47,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 03:12:47,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:12:47,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 03:12:47,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:12:47,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 03:12:47,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:12:47,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 03:12:47,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:12:47,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 03:12:47,512 INFO L142 QuantifierPusher]: treesize reduction 14, result has 48.1 percent of original size [2021-03-11 03:12:47,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 03:12:47,525 INFO L142 QuantifierPusher]: treesize reduction 14, result has 39.1 percent of original size [2021-03-11 03:12:47,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 03:12:47,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:12:47,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 03:12:47,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:12:47,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 03:12:47,570 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 03:12:47,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 03:12:47,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:12:47,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 03:12:47,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 03:12:47,601 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225485190] [2021-03-11 03:12:47,601 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 03:12:47,601 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-03-11 03:12:47,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907089537] [2021-03-11 03:12:47,601 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-11 03:12:47,602 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 03:12:47,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-11 03:12:47,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-03-11 03:12:47,606 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 139 [2021-03-11 03:12:47,608 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 125 transitions, 262 flow. Second operand has 18 states, 18 states have (on average 70.27777777777777) internal successors, (1265), 18 states have internal predecessors, (1265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:12:47,608 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 03:12:47,608 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 139 [2021-03-11 03:12:47,608 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 03:12:48,745 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2021-03-11 03:12:49,032 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2021-03-11 03:12:49,789 INFO L129 PetriNetUnfolder]: 598/1851 cut-off events. [2021-03-11 03:12:49,789 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-03-11 03:12:49,794 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2995 conditions, 1851 events. 598/1851 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 11486 event pairs, 252 based on Foata normal form. 0/1744 useless extension candidates. Maximal degree in co-relation 2990. Up to 766 conditions per place. [2021-03-11 03:12:49,803 INFO L132 encePairwiseOnDemand]: 118/139 looper letters, 129 selfloop transitions, 34 changer transitions 10/237 dead transitions. [2021-03-11 03:12:49,804 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 237 transitions, 832 flow [2021-03-11 03:12:49,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-11 03:12:49,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-03-11 03:12:49,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 1671 transitions. [2021-03-11 03:12:49,809 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5464355788096795 [2021-03-11 03:12:49,809 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 1671 transitions. [2021-03-11 03:12:49,809 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 1671 transitions. [2021-03-11 03:12:49,810 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 03:12:49,810 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 1671 transitions. [2021-03-11 03:12:49,815 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 75.95454545454545) internal successors, (1671), 22 states have internal predecessors, (1671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:12:49,822 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 139.0) internal successors, (3197), 23 states have internal predecessors, (3197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:12:49,823 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 139.0) internal successors, (3197), 23 states have internal predecessors, (3197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:12:49,824 INFO L185 Difference]: Start difference. First operand has 127 places, 125 transitions, 262 flow. Second operand 22 states and 1671 transitions. [2021-03-11 03:12:49,825 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 237 transitions, 832 flow [2021-03-11 03:12:49,829 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 237 transitions, 830 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-11 03:12:49,834 INFO L241 Difference]: Finished difference. Result has 157 places, 156 transitions, 467 flow [2021-03-11 03:12:49,834 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=260, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=467, PETRI_PLACES=157, PETRI_TRANSITIONS=156} [2021-03-11 03:12:49,835 INFO L335 CegarLoopForPetriNet]: 124 programPoint places, 33 predicate places. [2021-03-11 03:12:49,835 INFO L480 AbstractCegarLoop]: Abstraction has has 157 places, 156 transitions, 467 flow [2021-03-11 03:12:49,835 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 70.27777777777777) internal successors, (1265), 18 states have internal predecessors, (1265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:12:49,835 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 03:12:49,836 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 03:12:49,836 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-11 03:12:49,836 INFO L428 AbstractCegarLoop]: === Iteration 4 === [reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 03:12:49,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 03:12:49,836 INFO L82 PathProgramCache]: Analyzing trace with hash 866605156, now seen corresponding path program 1 times [2021-03-11 03:12:49,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 03:12:49,837 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485637637] [2021-03-11 03:12:49,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 03:12:49,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 03:12:50,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:12:50,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 03:12:50,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:12:50,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 03:12:50,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:12:50,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 03:12:50,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:12:50,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 03:12:50,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:12:50,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 03:12:50,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:12:50,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 03:12:50,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:12:50,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-11 03:12:50,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:12:50,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 03:12:50,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:12:50,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:12:50,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:12:50,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:12:50,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:12:50,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:12:50,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:12:50,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:12:50,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:12:50,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:12:50,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:12:50,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:12:50,253 INFO L142 QuantifierPusher]: treesize reduction 15, result has 68.1 percent of original size [2021-03-11 03:12:50,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 03:12:50,277 INFO L142 QuantifierPusher]: treesize reduction 15, result has 70.0 percent of original size [2021-03-11 03:12:50,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 03:12:50,304 INFO L142 QuantifierPusher]: treesize reduction 15, result has 68.1 percent of original size [2021-03-11 03:12:50,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 03:12:50,333 INFO L142 QuantifierPusher]: treesize reduction 45, result has 39.2 percent of original size [2021-03-11 03:12:50,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 03:12:50,360 INFO L142 QuantifierPusher]: treesize reduction 45, result has 39.2 percent of original size [2021-03-11 03:12:50,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 03:12:50,390 INFO L142 QuantifierPusher]: treesize reduction 45, result has 39.2 percent of original size [2021-03-11 03:12:50,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 03:12:50,420 INFO L142 QuantifierPusher]: treesize reduction 48, result has 49.5 percent of original size [2021-03-11 03:12:50,421 INFO L147 QuantifierPusher]: treesize reduction 6, result has 87.2 percent of original size 41 [2021-03-11 03:12:50,467 INFO L142 QuantifierPusher]: treesize reduction 48, result has 47.3 percent of original size [2021-03-11 03:12:50,468 INFO L147 QuantifierPusher]: treesize reduction 6, result has 86.0 percent of original size 37 [2021-03-11 03:12:50,510 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 03:12:50,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 03:12:50,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:12:50,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 03:12:50,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:12:50,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 03:12:50,598 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 03:12:50,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 03:12:50,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:12:50,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 03:12:50,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 03:12:50,640 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485637637] [2021-03-11 03:12:50,640 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 03:12:50,640 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-03-11 03:12:50,641 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817710268] [2021-03-11 03:12:50,641 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-03-11 03:12:50,641 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 03:12:50,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-03-11 03:12:50,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=640, Unknown=0, NotChecked=0, Total=702 [2021-03-11 03:12:50,648 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 139 [2021-03-11 03:12:50,649 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 156 transitions, 467 flow. Second operand has 27 states, 27 states have (on average 59.0) internal successors, (1593), 27 states have internal predecessors, (1593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:12:50,649 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 03:12:50,649 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 139 [2021-03-11 03:12:50,649 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 03:12:51,648 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 53 [2021-03-11 03:12:51,909 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 57 [2021-03-11 03:12:52,171 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 62 [2021-03-11 03:12:52,519 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 63 [2021-03-11 03:12:52,769 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 67 [2021-03-11 03:12:53,198 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 71 [2021-03-11 03:12:53,460 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 75 [2021-03-11 03:12:53,721 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 80 [2021-03-11 03:12:54,055 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 82 [2021-03-11 03:12:54,457 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 83 [2021-03-11 03:12:54,848 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 78 [2021-03-11 03:12:55,333 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 84 [2021-03-11 03:12:56,251 INFO L129 PetriNetUnfolder]: 2121/5631 cut-off events. [2021-03-11 03:12:56,252 INFO L130 PetriNetUnfolder]: For 2032/2032 co-relation queries the response was YES. [2021-03-11 03:12:56,265 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11996 conditions, 5631 events. 2121/5631 cut-off events. For 2032/2032 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 39539 event pairs, 616 based on Foata normal form. 18/5383 useless extension candidates. Maximal degree in co-relation 11981. Up to 1893 conditions per place. [2021-03-11 03:12:56,284 INFO L132 encePairwiseOnDemand]: 106/139 looper letters, 351 selfloop transitions, 100 changer transitions 3/507 dead transitions. [2021-03-11 03:12:56,285 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 507 transitions, 2728 flow [2021-03-11 03:12:56,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-03-11 03:12:56,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2021-03-11 03:12:56,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 2483 transitions. [2021-03-11 03:12:56,291 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.48279214466264825 [2021-03-11 03:12:56,291 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 2483 transitions. [2021-03-11 03:12:56,291 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 2483 transitions. [2021-03-11 03:12:56,292 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 03:12:56,292 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 2483 transitions. [2021-03-11 03:12:56,296 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 67.10810810810811) internal successors, (2483), 37 states have internal predecessors, (2483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:12:56,303 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 38 states, 38 states have (on average 139.0) internal successors, (5282), 38 states have internal predecessors, (5282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:12:56,304 INFO L81 ComplementDD]: Finished complementDD. Result has 38 states, 38 states have (on average 139.0) internal successors, (5282), 38 states have internal predecessors, (5282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:12:56,304 INFO L185 Difference]: Start difference. First operand has 157 places, 156 transitions, 467 flow. Second operand 37 states and 2483 transitions. [2021-03-11 03:12:56,304 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 507 transitions, 2728 flow [2021-03-11 03:12:56,314 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 507 transitions, 2717 flow, removed 0 selfloop flow, removed 6 redundant places. [2021-03-11 03:12:56,320 INFO L241 Difference]: Finished difference. Result has 212 places, 246 transitions, 1286 flow [2021-03-11 03:12:56,320 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=456, PETRI_DIFFERENCE_MINUEND_PLACES=151, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=37, PETRI_FLOW=1286, PETRI_PLACES=212, PETRI_TRANSITIONS=246} [2021-03-11 03:12:56,320 INFO L335 CegarLoopForPetriNet]: 124 programPoint places, 88 predicate places. [2021-03-11 03:12:56,320 INFO L480 AbstractCegarLoop]: Abstraction has has 212 places, 246 transitions, 1286 flow [2021-03-11 03:12:56,321 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 59.0) internal successors, (1593), 27 states have internal predecessors, (1593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:12:56,321 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 03:12:56,321 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 03:12:56,321 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-11 03:12:56,322 INFO L428 AbstractCegarLoop]: === Iteration 5 === [reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 03:12:56,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 03:12:56,322 INFO L82 PathProgramCache]: Analyzing trace with hash 1459840288, now seen corresponding path program 2 times [2021-03-11 03:12:56,322 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 03:12:56,322 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419962417] [2021-03-11 03:12:56,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 03:12:56,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 03:12:56,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:12:56,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 03:12:56,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:12:56,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 03:12:56,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:12:56,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 03:12:56,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:12:56,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 03:12:56,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:12:56,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 03:12:56,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:12:56,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 03:12:56,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:12:56,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-11 03:12:56,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:12:56,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 03:12:56,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:12:56,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:12:56,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:12:56,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:12:56,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:12:56,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:12:56,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:12:56,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:12:56,658 INFO L142 QuantifierPusher]: treesize reduction 16, result has 65.2 percent of original size [2021-03-11 03:12:56,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 03:12:56,681 INFO L142 QuantifierPusher]: treesize reduction 16, result has 61.9 percent of original size [2021-03-11 03:12:56,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 03:12:56,697 INFO L142 QuantifierPusher]: treesize reduction 16, result has 61.9 percent of original size [2021-03-11 03:12:56,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 03:12:56,714 INFO L142 QuantifierPusher]: treesize reduction 16, result has 61.9 percent of original size [2021-03-11 03:12:56,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 03:12:56,733 INFO L142 QuantifierPusher]: treesize reduction 16, result has 61.9 percent of original size [2021-03-11 03:12:56,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 03:12:56,755 INFO L142 QuantifierPusher]: treesize reduction 16, result has 61.9 percent of original size [2021-03-11 03:12:56,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 03:12:56,777 INFO L142 QuantifierPusher]: treesize reduction 22, result has 69.4 percent of original size [2021-03-11 03:12:56,778 INFO L147 QuantifierPusher]: treesize reduction 4, result has 92.0 percent of original size 46 [2021-03-11 03:12:56,813 INFO L142 QuantifierPusher]: treesize reduction 28, result has 67.8 percent of original size [2021-03-11 03:12:56,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-11 03:12:56,852 INFO L142 QuantifierPusher]: treesize reduction 16, result has 77.1 percent of original size [2021-03-11 03:12:56,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-11 03:12:56,893 INFO L142 QuantifierPusher]: treesize reduction 19, result has 72.5 percent of original size [2021-03-11 03:12:56,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-11 03:12:56,931 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 03:12:56,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 03:12:56,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:12:56,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 03:12:56,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:12:56,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 03:12:56,984 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 03:12:56,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 03:12:57,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:12:57,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 03:12:57,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 03:12:57,015 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419962417] [2021-03-11 03:12:57,015 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 03:12:57,015 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-03-11 03:12:57,016 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309346677] [2021-03-11 03:12:57,016 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-03-11 03:12:57,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 03:12:57,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-03-11 03:12:57,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=625, Unknown=0, NotChecked=0, Total=702 [2021-03-11 03:12:57,020 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 139 [2021-03-11 03:12:57,021 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 246 transitions, 1286 flow. Second operand has 27 states, 27 states have (on average 58.03703703703704) internal successors, (1567), 27 states have internal predecessors, (1567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:12:57,021 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 03:12:57,021 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 139 [2021-03-11 03:12:57,021 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 03:12:58,466 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-11 03:12:58,873 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 62 [2021-03-11 03:12:59,312 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 63 [2021-03-11 03:12:59,445 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 65 [2021-03-11 03:12:59,674 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 66 [2021-03-11 03:12:59,814 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 67 [2021-03-11 03:13:00,037 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 70 [2021-03-11 03:13:00,269 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 69 [2021-03-11 03:13:00,476 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 71 [2021-03-11 03:13:00,730 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 74 [2021-03-11 03:13:00,945 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2021-03-11 03:13:01,161 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 76 [2021-03-11 03:13:01,414 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 79 [2021-03-11 03:13:01,585 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 78 [2021-03-11 03:13:01,814 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 80 [2021-03-11 03:13:02,051 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 83 [2021-03-11 03:13:02,372 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 82 [2021-03-11 03:13:02,600 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 84 [2021-03-11 03:13:02,950 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 87 [2021-03-11 03:13:03,733 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 59 [2021-03-11 03:13:04,573 INFO L129 PetriNetUnfolder]: 2471/6406 cut-off events. [2021-03-11 03:13:04,573 INFO L130 PetriNetUnfolder]: For 7422/7433 co-relation queries the response was YES. [2021-03-11 03:13:04,604 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17723 conditions, 6406 events. 2471/6406 cut-off events. For 7422/7433 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 45814 event pairs, 761 based on Foata normal form. 23/6165 useless extension candidates. Maximal degree in co-relation 17683. Up to 2158 conditions per place. [2021-03-11 03:13:04,636 INFO L132 encePairwiseOnDemand]: 106/139 looper letters, 449 selfloop transitions, 168 changer transitions 13/682 dead transitions. [2021-03-11 03:13:04,636 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 262 places, 682 transitions, 4378 flow [2021-03-11 03:13:04,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-03-11 03:13:04,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2021-03-11 03:13:04,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 3304 transitions. [2021-03-11 03:13:04,646 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4660741994639582 [2021-03-11 03:13:04,646 INFO L72 ComplementDD]: Start complementDD. Operand 51 states and 3304 transitions. [2021-03-11 03:13:04,646 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 3304 transitions. [2021-03-11 03:13:04,648 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 03:13:04,648 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 51 states and 3304 transitions. [2021-03-11 03:13:04,661 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 52 states, 51 states have (on average 64.7843137254902) internal successors, (3304), 51 states have internal predecessors, (3304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:13:04,673 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 52 states, 52 states have (on average 139.0) internal successors, (7228), 52 states have internal predecessors, (7228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:13:04,675 INFO L81 ComplementDD]: Finished complementDD. Result has 52 states, 52 states have (on average 139.0) internal successors, (7228), 52 states have internal predecessors, (7228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:13:04,675 INFO L185 Difference]: Start difference. First operand has 212 places, 246 transitions, 1286 flow. Second operand 51 states and 3304 transitions. [2021-03-11 03:13:04,675 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 262 places, 682 transitions, 4378 flow [2021-03-11 03:13:04,790 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 256 places, 682 transitions, 4350 flow, removed 4 selfloop flow, removed 6 redundant places. [2021-03-11 03:13:04,801 INFO L241 Difference]: Finished difference. Result has 286 places, 334 transitions, 2392 flow [2021-03-11 03:13:04,802 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=1267, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=246, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=89, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=51, PETRI_FLOW=2392, PETRI_PLACES=286, PETRI_TRANSITIONS=334} [2021-03-11 03:13:04,802 INFO L335 CegarLoopForPetriNet]: 124 programPoint places, 162 predicate places. [2021-03-11 03:13:04,802 INFO L480 AbstractCegarLoop]: Abstraction has has 286 places, 334 transitions, 2392 flow [2021-03-11 03:13:04,803 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 58.03703703703704) internal successors, (1567), 27 states have internal predecessors, (1567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:13:04,803 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 03:13:04,803 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 03:13:04,803 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-11 03:13:04,804 INFO L428 AbstractCegarLoop]: === Iteration 6 === [reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 03:13:04,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 03:13:04,805 INFO L82 PathProgramCache]: Analyzing trace with hash 198448822, now seen corresponding path program 3 times [2021-03-11 03:13:04,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 03:13:04,805 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184550450] [2021-03-11 03:13:04,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 03:13:04,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 03:13:04,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:04,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 03:13:04,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:04,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 03:13:04,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:04,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 03:13:04,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:04,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 03:13:04,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:04,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 03:13:05,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:05,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 03:13:05,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:05,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-11 03:13:05,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:05,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 03:13:05,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:05,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:13:05,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:05,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:13:05,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:05,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:13:05,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:05,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:13:05,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:05,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:13:05,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:05,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:13:05,145 INFO L142 QuantifierPusher]: treesize reduction 15, result has 68.1 percent of original size [2021-03-11 03:13:05,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 03:13:05,165 INFO L142 QuantifierPusher]: treesize reduction 15, result has 70.0 percent of original size [2021-03-11 03:13:05,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 03:13:05,187 INFO L142 QuantifierPusher]: treesize reduction 15, result has 68.1 percent of original size [2021-03-11 03:13:05,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 03:13:05,208 INFO L142 QuantifierPusher]: treesize reduction 45, result has 39.2 percent of original size [2021-03-11 03:13:05,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 03:13:05,233 INFO L142 QuantifierPusher]: treesize reduction 45, result has 39.2 percent of original size [2021-03-11 03:13:05,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 03:13:05,260 INFO L142 QuantifierPusher]: treesize reduction 45, result has 39.2 percent of original size [2021-03-11 03:13:05,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 03:13:05,286 INFO L142 QuantifierPusher]: treesize reduction 48, result has 49.5 percent of original size [2021-03-11 03:13:05,286 INFO L147 QuantifierPusher]: treesize reduction 6, result has 87.2 percent of original size 41 [2021-03-11 03:13:05,322 INFO L142 QuantifierPusher]: treesize reduction 48, result has 47.3 percent of original size [2021-03-11 03:13:05,323 INFO L147 QuantifierPusher]: treesize reduction 6, result has 86.0 percent of original size 37 [2021-03-11 03:13:05,360 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 03:13:05,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 03:13:05,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:05,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 03:13:05,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:05,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 03:13:05,417 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 03:13:05,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 03:13:05,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:05,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 03:13:05,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 03:13:05,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184550450] [2021-03-11 03:13:05,455 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 03:13:05,455 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-03-11 03:13:05,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384582908] [2021-03-11 03:13:05,455 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-03-11 03:13:05,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 03:13:05,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-03-11 03:13:05,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=638, Unknown=0, NotChecked=0, Total=702 [2021-03-11 03:13:05,458 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 139 [2021-03-11 03:13:05,459 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 334 transitions, 2392 flow. Second operand has 27 states, 27 states have (on average 59.0) internal successors, (1593), 27 states have internal predecessors, (1593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:13:05,459 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 03:13:05,459 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 139 [2021-03-11 03:13:05,459 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 03:13:06,612 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 62 [2021-03-11 03:13:06,894 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 63 [2021-03-11 03:13:07,061 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 67 [2021-03-11 03:13:07,380 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 71 [2021-03-11 03:13:07,635 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 75 [2021-03-11 03:13:07,847 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 80 [2021-03-11 03:13:08,102 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 82 [2021-03-11 03:13:08,370 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 83 [2021-03-11 03:13:08,797 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 78 [2021-03-11 03:13:09,275 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 84 [2021-03-11 03:13:10,733 INFO L129 PetriNetUnfolder]: 2834/7211 cut-off events. [2021-03-11 03:13:10,733 INFO L130 PetriNetUnfolder]: For 27642/27648 co-relation queries the response was YES. [2021-03-11 03:13:10,777 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25785 conditions, 7211 events. 2834/7211 cut-off events. For 27642/27648 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 54015 event pairs, 817 based on Foata normal form. 20/6890 useless extension candidates. Maximal degree in co-relation 25715. Up to 2954 conditions per place. [2021-03-11 03:13:10,799 INFO L132 encePairwiseOnDemand]: 106/139 looper letters, 454 selfloop transitions, 154 changer transitions 3/664 dead transitions. [2021-03-11 03:13:10,800 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 322 places, 664 transitions, 6153 flow [2021-03-11 03:13:10,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-03-11 03:13:10,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2021-03-11 03:13:10,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 2472 transitions. [2021-03-11 03:13:10,804 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.48065331518568927 [2021-03-11 03:13:10,804 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 2472 transitions. [2021-03-11 03:13:10,804 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 2472 transitions. [2021-03-11 03:13:10,805 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 03:13:10,805 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 2472 transitions. [2021-03-11 03:13:10,809 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 66.8108108108108) internal successors, (2472), 37 states have internal predecessors, (2472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:13:10,815 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 38 states, 38 states have (on average 139.0) internal successors, (5282), 38 states have internal predecessors, (5282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:13:10,816 INFO L81 ComplementDD]: Finished complementDD. Result has 38 states, 38 states have (on average 139.0) internal successors, (5282), 38 states have internal predecessors, (5282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:13:10,816 INFO L185 Difference]: Start difference. First operand has 286 places, 334 transitions, 2392 flow. Second operand 37 states and 2472 transitions. [2021-03-11 03:13:10,816 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 322 places, 664 transitions, 6153 flow [2021-03-11 03:13:10,909 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 307 places, 664 transitions, 5658 flow, removed 87 selfloop flow, removed 15 redundant places. [2021-03-11 03:13:10,917 INFO L241 Difference]: Finished difference. Result has 334 places, 414 transitions, 3478 flow [2021-03-11 03:13:10,917 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=2079, PETRI_DIFFERENCE_MINUEND_PLACES=271, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=334, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=87, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=37, PETRI_FLOW=3478, PETRI_PLACES=334, PETRI_TRANSITIONS=414} [2021-03-11 03:13:10,917 INFO L335 CegarLoopForPetriNet]: 124 programPoint places, 210 predicate places. [2021-03-11 03:13:10,917 INFO L480 AbstractCegarLoop]: Abstraction has has 334 places, 414 transitions, 3478 flow [2021-03-11 03:13:10,918 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 59.0) internal successors, (1593), 27 states have internal predecessors, (1593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:13:10,918 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 03:13:10,918 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 03:13:10,918 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-11 03:13:10,919 INFO L428 AbstractCegarLoop]: === Iteration 7 === [reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 03:13:10,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 03:13:10,919 INFO L82 PathProgramCache]: Analyzing trace with hash -1315595050, now seen corresponding path program 4 times [2021-03-11 03:13:10,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 03:13:10,919 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146179511] [2021-03-11 03:13:10,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 03:13:10,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 03:13:11,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:11,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 03:13:11,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:11,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 03:13:11,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:11,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 03:13:11,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:11,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 03:13:11,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:11,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 03:13:11,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:11,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 03:13:11,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:11,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-11 03:13:11,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:11,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 03:13:11,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:11,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:13:11,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:11,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:13:11,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:11,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:13:11,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:11,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:13:11,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:11,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:13:11,187 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-03-11 03:13:11,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 03:13:11,204 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-03-11 03:13:11,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:13:11,221 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-03-11 03:13:11,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:13:11,240 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-03-11 03:13:11,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:13:11,270 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-03-11 03:13:11,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:13:11,292 INFO L142 QuantifierPusher]: treesize reduction 37, result has 53.8 percent of original size [2021-03-11 03:13:11,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-11 03:13:11,324 INFO L142 QuantifierPusher]: treesize reduction 36, result has 56.6 percent of original size [2021-03-11 03:13:11,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-11 03:13:11,366 INFO L142 QuantifierPusher]: treesize reduction 33, result has 57.7 percent of original size [2021-03-11 03:13:11,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-11 03:13:11,404 INFO L142 QuantifierPusher]: treesize reduction 28, result has 76.5 percent of original size [2021-03-11 03:13:11,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-03-11 03:13:11,446 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 03:13:11,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 03:13:11,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:11,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 03:13:11,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:11,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 03:13:11,564 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 03:13:11,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 03:13:11,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:11,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 03:13:11,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 03:13:11,594 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146179511] [2021-03-11 03:13:11,594 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 03:13:11,594 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-03-11 03:13:11,595 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959816831] [2021-03-11 03:13:11,595 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-03-11 03:13:11,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 03:13:11,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-03-11 03:13:11,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=630, Unknown=0, NotChecked=0, Total=702 [2021-03-11 03:13:11,597 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 139 [2021-03-11 03:13:11,598 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 334 places, 414 transitions, 3478 flow. Second operand has 27 states, 27 states have (on average 58.03703703703704) internal successors, (1567), 27 states have internal predecessors, (1567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:13:11,598 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 03:13:11,599 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 139 [2021-03-11 03:13:11,599 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 03:13:12,988 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 63 [2021-03-11 03:13:13,138 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 62 [2021-03-11 03:13:13,453 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 64 [2021-03-11 03:13:13,596 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 66 [2021-03-11 03:13:13,787 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 67 [2021-03-11 03:13:13,955 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 68 [2021-03-11 03:13:14,099 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 61 [2021-03-11 03:13:14,321 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 71 [2021-03-11 03:13:14,519 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 70 [2021-03-11 03:13:14,732 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 72 [2021-03-11 03:13:14,936 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 75 [2021-03-11 03:13:15,103 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 74 [2021-03-11 03:13:15,333 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 76 [2021-03-11 03:13:15,601 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 79 [2021-03-11 03:13:15,784 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 78 [2021-03-11 03:13:16,038 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 80 [2021-03-11 03:13:16,280 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 83 [2021-03-11 03:13:16,604 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 82 [2021-03-11 03:13:16,825 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 84 [2021-03-11 03:13:17,192 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 87 [2021-03-11 03:13:19,192 INFO L129 PetriNetUnfolder]: 3893/9575 cut-off events. [2021-03-11 03:13:19,192 INFO L130 PetriNetUnfolder]: For 61105/61126 co-relation queries the response was YES. [2021-03-11 03:13:19,276 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40130 conditions, 9575 events. 3893/9575 cut-off events. For 61105/61126 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 74620 event pairs, 1003 based on Foata normal form. 27/9182 useless extension candidates. Maximal degree in co-relation 40033. Up to 4113 conditions per place. [2021-03-11 03:13:19,314 INFO L132 encePairwiseOnDemand]: 106/139 looper letters, 611 selfloop transitions, 178 changer transitions 14/855 dead transitions. [2021-03-11 03:13:19,315 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 382 places, 855 transitions, 8968 flow [2021-03-11 03:13:19,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-03-11 03:13:19,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2021-03-11 03:13:19,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 3215 transitions. [2021-03-11 03:13:19,319 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.47203053883423873 [2021-03-11 03:13:19,320 INFO L72 ComplementDD]: Start complementDD. Operand 49 states and 3215 transitions. [2021-03-11 03:13:19,320 INFO L73 IsDeterministic]: Start isDeterministic. Operand 49 states and 3215 transitions. [2021-03-11 03:13:19,321 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 03:13:19,321 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 49 states and 3215 transitions. [2021-03-11 03:13:19,326 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 50 states, 49 states have (on average 65.61224489795919) internal successors, (3215), 49 states have internal predecessors, (3215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:13:19,332 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 50 states, 50 states have (on average 139.0) internal successors, (6950), 50 states have internal predecessors, (6950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:13:19,333 INFO L81 ComplementDD]: Finished complementDD. Result has 50 states, 50 states have (on average 139.0) internal successors, (6950), 50 states have internal predecessors, (6950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:13:19,333 INFO L185 Difference]: Start difference. First operand has 334 places, 414 transitions, 3478 flow. Second operand 49 states and 3215 transitions. [2021-03-11 03:13:19,333 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 382 places, 855 transitions, 8968 flow [2021-03-11 03:13:19,624 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 855 transitions, 8261 flow, removed 347 selfloop flow, removed 6 redundant places. [2021-03-11 03:13:19,809 INFO L241 Difference]: Finished difference. Result has 413 places, 533 transitions, 5417 flow [2021-03-11 03:13:19,810 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=3221, PETRI_DIFFERENCE_MINUEND_PLACES=328, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=414, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=71, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=310, PETRI_DIFFERENCE_SUBTRAHEND_STATES=49, PETRI_FLOW=5417, PETRI_PLACES=413, PETRI_TRANSITIONS=533} [2021-03-11 03:13:19,810 INFO L335 CegarLoopForPetriNet]: 124 programPoint places, 289 predicate places. [2021-03-11 03:13:19,810 INFO L480 AbstractCegarLoop]: Abstraction has has 413 places, 533 transitions, 5417 flow [2021-03-11 03:13:19,811 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 58.03703703703704) internal successors, (1567), 27 states have internal predecessors, (1567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:13:19,811 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 03:13:19,811 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 03:13:19,811 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-11 03:13:19,812 INFO L428 AbstractCegarLoop]: === Iteration 8 === [reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 03:13:19,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 03:13:19,812 INFO L82 PathProgramCache]: Analyzing trace with hash -177388798, now seen corresponding path program 5 times [2021-03-11 03:13:19,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 03:13:19,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731429172] [2021-03-11 03:13:19,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 03:13:19,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 03:13:19,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:19,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 03:13:19,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:19,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 03:13:19,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:19,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 03:13:19,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:19,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 03:13:19,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:19,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 03:13:19,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:19,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 03:13:19,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:19,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-11 03:13:19,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:19,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 03:13:20,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:20,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:13:20,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:20,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:13:20,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:20,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:13:20,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:20,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:13:20,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:20,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:13:20,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:20,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:13:20,298 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-03-11 03:13:20,300 INFO L142 QuantifierPusher]: treesize reduction 15, result has 68.1 percent of original size [2021-03-11 03:13:20,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 03:13:20,323 INFO L142 QuantifierPusher]: treesize reduction 15, result has 70.0 percent of original size [2021-03-11 03:13:20,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 03:13:20,350 INFO L142 QuantifierPusher]: treesize reduction 15, result has 68.1 percent of original size [2021-03-11 03:13:20,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 03:13:20,375 INFO L142 QuantifierPusher]: treesize reduction 15, result has 68.1 percent of original size [2021-03-11 03:13:20,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 03:13:20,401 INFO L142 QuantifierPusher]: treesize reduction 15, result has 68.1 percent of original size [2021-03-11 03:13:20,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 03:13:20,423 INFO L142 QuantifierPusher]: treesize reduction 27, result has 62.0 percent of original size [2021-03-11 03:13:20,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-11 03:13:20,453 INFO L142 QuantifierPusher]: treesize reduction 27, result has 59.7 percent of original size [2021-03-11 03:13:20,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-11 03:13:20,484 INFO L142 QuantifierPusher]: treesize reduction 48, result has 47.3 percent of original size [2021-03-11 03:13:20,485 INFO L147 QuantifierPusher]: treesize reduction 6, result has 86.0 percent of original size 37 [2021-03-11 03:13:20,534 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 03:13:20,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 03:13:20,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:20,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 03:13:20,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:20,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 03:13:20,592 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 03:13:20,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 03:13:20,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:20,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 03:13:20,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 03:13:20,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731429172] [2021-03-11 03:13:20,625 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 03:13:20,625 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-03-11 03:13:20,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829926795] [2021-03-11 03:13:20,626 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-03-11 03:13:20,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 03:13:20,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-03-11 03:13:20,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=637, Unknown=0, NotChecked=0, Total=702 [2021-03-11 03:13:20,628 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 139 [2021-03-11 03:13:20,629 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 413 places, 533 transitions, 5417 flow. Second operand has 27 states, 27 states have (on average 59.0) internal successors, (1593), 27 states have internal predecessors, (1593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:13:20,629 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 03:13:20,629 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 139 [2021-03-11 03:13:20,629 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 03:13:21,751 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 61 [2021-03-11 03:13:21,922 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 62 [2021-03-11 03:13:22,072 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 66 [2021-03-11 03:13:22,453 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 65 [2021-03-11 03:13:22,615 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 70 [2021-03-11 03:13:22,930 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 69 [2021-03-11 03:13:23,159 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 74 [2021-03-11 03:13:23,348 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 74 [2021-03-11 03:13:23,614 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 76 [2021-03-11 03:13:23,820 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 76 [2021-03-11 03:13:24,066 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 77 [2021-03-11 03:13:24,261 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 76 [2021-03-11 03:13:24,512 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 72 [2021-03-11 03:13:24,721 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 79 [2021-03-11 03:13:25,030 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 75 [2021-03-11 03:13:25,284 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 78 [2021-03-11 03:13:25,499 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 78 [2021-03-11 03:13:25,719 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 80 [2021-03-11 03:13:25,980 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 80 [2021-03-11 03:13:26,311 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 83 [2021-03-11 03:13:26,530 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2021-03-11 03:13:29,357 INFO L129 PetriNetUnfolder]: 4265/10675 cut-off events. [2021-03-11 03:13:29,357 INFO L130 PetriNetUnfolder]: For 93517/93532 co-relation queries the response was YES. [2021-03-11 03:13:29,453 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47057 conditions, 10675 events. 4265/10675 cut-off events. For 93517/93532 co-relation queries the response was YES. Maximal size of possible extension queue 196. Compared 87105 event pairs, 1217 based on Foata normal form. 25/10199 useless extension candidates. Maximal degree in co-relation 46923. Up to 4418 conditions per place. [2021-03-11 03:13:29,492 INFO L132 encePairwiseOnDemand]: 106/139 looper letters, 669 selfloop transitions, 258 changer transitions 3/983 dead transitions. [2021-03-11 03:13:29,492 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 459 places, 983 transitions, 11938 flow [2021-03-11 03:13:29,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-03-11 03:13:29,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2021-03-11 03:13:29,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 3105 transitions. [2021-03-11 03:13:29,497 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4752793509872953 [2021-03-11 03:13:29,497 INFO L72 ComplementDD]: Start complementDD. Operand 47 states and 3105 transitions. [2021-03-11 03:13:29,497 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 3105 transitions. [2021-03-11 03:13:29,498 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 03:13:29,498 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 47 states and 3105 transitions. [2021-03-11 03:13:29,503 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 48 states, 47 states have (on average 66.06382978723404) internal successors, (3105), 47 states have internal predecessors, (3105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:13:29,509 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 48 states, 48 states have (on average 139.0) internal successors, (6672), 48 states have internal predecessors, (6672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:13:29,510 INFO L81 ComplementDD]: Finished complementDD. Result has 48 states, 48 states have (on average 139.0) internal successors, (6672), 48 states have internal predecessors, (6672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:13:29,510 INFO L185 Difference]: Start difference. First operand has 413 places, 533 transitions, 5417 flow. Second operand 47 states and 3105 transitions. [2021-03-11 03:13:29,510 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 459 places, 983 transitions, 11938 flow [2021-03-11 03:13:29,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 452 places, 983 transitions, 11149 flow, removed 381 selfloop flow, removed 7 redundant places. [2021-03-11 03:13:29,946 INFO L241 Difference]: Finished difference. Result has 486 places, 638 transitions, 7506 flow [2021-03-11 03:13:29,947 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=4894, PETRI_DIFFERENCE_MINUEND_PLACES=406, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=533, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=159, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=346, PETRI_DIFFERENCE_SUBTRAHEND_STATES=47, PETRI_FLOW=7506, PETRI_PLACES=486, PETRI_TRANSITIONS=638} [2021-03-11 03:13:29,947 INFO L335 CegarLoopForPetriNet]: 124 programPoint places, 362 predicate places. [2021-03-11 03:13:29,947 INFO L480 AbstractCegarLoop]: Abstraction has has 486 places, 638 transitions, 7506 flow [2021-03-11 03:13:29,948 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 59.0) internal successors, (1593), 27 states have internal predecessors, (1593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:13:29,948 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 03:13:29,948 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 03:13:29,948 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-11 03:13:29,948 INFO L428 AbstractCegarLoop]: === Iteration 9 === [reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 03:13:29,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 03:13:29,949 INFO L82 PathProgramCache]: Analyzing trace with hash -381247674, now seen corresponding path program 6 times [2021-03-11 03:13:29,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 03:13:29,949 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695780229] [2021-03-11 03:13:29,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 03:13:29,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 03:13:30,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:30,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 03:13:30,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:30,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 03:13:30,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:30,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 03:13:30,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:30,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 03:13:30,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:30,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 03:13:30,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:30,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 03:13:30,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:30,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-11 03:13:30,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:30,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 03:13:30,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:30,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:13:30,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:30,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:13:30,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:30,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:13:30,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:30,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:13:30,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:30,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:13:30,158 INFO L142 QuantifierPusher]: treesize reduction 16, result has 65.2 percent of original size [2021-03-11 03:13:30,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 03:13:30,174 INFO L142 QuantifierPusher]: treesize reduction 16, result has 65.2 percent of original size [2021-03-11 03:13:30,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 03:13:30,192 INFO L142 QuantifierPusher]: treesize reduction 16, result has 61.9 percent of original size [2021-03-11 03:13:30,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 03:13:30,212 INFO L142 QuantifierPusher]: treesize reduction 16, result has 61.9 percent of original size [2021-03-11 03:13:30,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 03:13:30,231 INFO L142 QuantifierPusher]: treesize reduction 16, result has 61.9 percent of original size [2021-03-11 03:13:30,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 03:13:30,252 INFO L142 QuantifierPusher]: treesize reduction 22, result has 69.4 percent of original size [2021-03-11 03:13:30,253 INFO L147 QuantifierPusher]: treesize reduction 4, result has 92.0 percent of original size 46 [2021-03-11 03:13:30,286 INFO L142 QuantifierPusher]: treesize reduction 28, result has 67.8 percent of original size [2021-03-11 03:13:30,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-11 03:13:30,403 INFO L142 QuantifierPusher]: treesize reduction 16, result has 77.1 percent of original size [2021-03-11 03:13:30,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-11 03:13:30,446 INFO L142 QuantifierPusher]: treesize reduction 19, result has 72.5 percent of original size [2021-03-11 03:13:30,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-11 03:13:30,499 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 03:13:30,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 03:13:30,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:30,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 03:13:30,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:30,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 03:13:30,561 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 03:13:30,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 03:13:30,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:30,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 03:13:30,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 03:13:30,596 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695780229] [2021-03-11 03:13:30,596 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 03:13:30,596 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-03-11 03:13:30,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960300552] [2021-03-11 03:13:30,597 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-03-11 03:13:30,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 03:13:30,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-03-11 03:13:30,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=631, Unknown=0, NotChecked=0, Total=702 [2021-03-11 03:13:30,599 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 139 [2021-03-11 03:13:30,600 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 486 places, 638 transitions, 7506 flow. Second operand has 27 states, 27 states have (on average 58.03703703703704) internal successors, (1567), 27 states have internal predecessors, (1567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:13:30,601 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 03:13:30,601 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 139 [2021-03-11 03:13:30,601 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 03:13:31,947 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 59 [2021-03-11 03:13:32,260 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 62 [2021-03-11 03:13:32,542 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 56 [2021-03-11 03:13:32,706 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 63 [2021-03-11 03:13:32,838 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 65 [2021-03-11 03:13:33,031 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 66 [2021-03-11 03:13:33,175 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 67 [2021-03-11 03:13:33,329 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 61 [2021-03-11 03:13:33,544 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 60 [2021-03-11 03:13:33,740 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 70 [2021-03-11 03:13:33,956 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 69 [2021-03-11 03:13:34,178 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 71 [2021-03-11 03:13:34,354 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 74 [2021-03-11 03:13:34,500 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 65 [2021-03-11 03:13:34,723 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2021-03-11 03:13:34,997 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 76 [2021-03-11 03:13:35,363 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 79 [2021-03-11 03:13:35,537 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 78 [2021-03-11 03:13:35,801 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 80 [2021-03-11 03:13:36,084 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 83 [2021-03-11 03:13:36,523 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 82 [2021-03-11 03:13:36,790 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 84 [2021-03-11 03:13:37,318 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 87 [2021-03-11 03:13:40,764 INFO L129 PetriNetUnfolder]: 4892/11850 cut-off events. [2021-03-11 03:13:40,764 INFO L130 PetriNetUnfolder]: For 147189/147215 co-relation queries the response was YES. [2021-03-11 03:13:40,896 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58512 conditions, 11850 events. 4892/11850 cut-off events. For 147189/147215 co-relation queries the response was YES. Maximal size of possible extension queue 214. Compared 96664 event pairs, 1312 based on Foata normal form. 26/11361 useless extension candidates. Maximal degree in co-relation 58344. Up to 4945 conditions per place. [2021-03-11 03:13:40,940 INFO L132 encePairwiseOnDemand]: 106/139 looper letters, 772 selfloop transitions, 282 changer transitions 20/1126 dead transitions. [2021-03-11 03:13:40,940 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 537 places, 1126 transitions, 14977 flow [2021-03-11 03:13:40,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-03-11 03:13:40,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2021-03-11 03:13:40,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 3472 transitions. [2021-03-11 03:13:40,946 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4803541781959048 [2021-03-11 03:13:40,946 INFO L72 ComplementDD]: Start complementDD. Operand 52 states and 3472 transitions. [2021-03-11 03:13:40,946 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 3472 transitions. [2021-03-11 03:13:40,947 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 03:13:40,947 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 52 states and 3472 transitions. [2021-03-11 03:13:40,952 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 53 states, 52 states have (on average 66.76923076923077) internal successors, (3472), 52 states have internal predecessors, (3472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:13:40,958 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 53 states, 53 states have (on average 139.0) internal successors, (7367), 53 states have internal predecessors, (7367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:13:40,959 INFO L81 ComplementDD]: Finished complementDD. Result has 53 states, 53 states have (on average 139.0) internal successors, (7367), 53 states have internal predecessors, (7367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:13:40,959 INFO L185 Difference]: Start difference. First operand has 486 places, 638 transitions, 7506 flow. Second operand 52 states and 3472 transitions. [2021-03-11 03:13:40,959 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 537 places, 1126 transitions, 14977 flow [2021-03-11 03:13:41,669 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 525 places, 1126 transitions, 13962 flow, removed 360 selfloop flow, removed 12 redundant places. [2021-03-11 03:13:41,680 INFO L241 Difference]: Finished difference. Result has 556 places, 729 transitions, 9158 flow [2021-03-11 03:13:41,681 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=6641, PETRI_DIFFERENCE_MINUEND_PLACES=474, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=638, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=192, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=424, PETRI_DIFFERENCE_SUBTRAHEND_STATES=52, PETRI_FLOW=9158, PETRI_PLACES=556, PETRI_TRANSITIONS=729} [2021-03-11 03:13:41,681 INFO L335 CegarLoopForPetriNet]: 124 programPoint places, 432 predicate places. [2021-03-11 03:13:41,681 INFO L480 AbstractCegarLoop]: Abstraction has has 556 places, 729 transitions, 9158 flow [2021-03-11 03:13:41,681 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 58.03703703703704) internal successors, (1567), 27 states have internal predecessors, (1567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:13:41,681 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 03:13:41,682 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 03:13:41,682 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-11 03:13:41,682 INFO L428 AbstractCegarLoop]: === Iteration 10 === [reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 03:13:41,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 03:13:41,682 INFO L82 PathProgramCache]: Analyzing trace with hash -1500405150, now seen corresponding path program 7 times [2021-03-11 03:13:41,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 03:13:41,682 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669967763] [2021-03-11 03:13:41,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 03:13:41,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 03:13:41,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:41,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 03:13:41,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:41,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 03:13:41,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:41,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 03:13:41,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:41,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 03:13:41,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:41,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 03:13:41,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:41,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 03:13:41,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:41,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-11 03:13:41,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:41,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 03:13:41,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:41,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:13:41,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:41,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:13:41,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:41,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:13:41,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:41,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:13:41,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:41,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:13:41,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:41,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:13:41,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:41,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:13:41,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:41,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:13:42,046 INFO L142 QuantifierPusher]: treesize reduction 18, result has 60.9 percent of original size [2021-03-11 03:13:42,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:13:42,072 INFO L142 QuantifierPusher]: treesize reduction 18, result has 57.1 percent of original size [2021-03-11 03:13:42,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 03:13:42,099 INFO L142 QuantifierPusher]: treesize reduction 22, result has 67.2 percent of original size [2021-03-11 03:13:42,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-11 03:13:42,133 INFO L142 QuantifierPusher]: treesize reduction 22, result has 68.6 percent of original size [2021-03-11 03:13:42,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-11 03:13:42,170 INFO L142 QuantifierPusher]: treesize reduction 22, result has 67.2 percent of original size [2021-03-11 03:13:42,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-11 03:13:42,219 INFO L142 QuantifierPusher]: treesize reduction 42, result has 53.8 percent of original size [2021-03-11 03:13:42,220 INFO L147 QuantifierPusher]: treesize reduction 7, result has 85.7 percent of original size 42 [2021-03-11 03:13:42,266 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 03:13:42,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 03:13:42,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:42,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 03:13:42,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:42,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 03:13:42,323 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 03:13:42,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 03:13:42,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:42,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 03:13:42,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 03:13:42,355 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669967763] [2021-03-11 03:13:42,356 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 03:13:42,356 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-03-11 03:13:42,356 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870786531] [2021-03-11 03:13:42,356 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-03-11 03:13:42,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 03:13:42,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-03-11 03:13:42,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=634, Unknown=0, NotChecked=0, Total=702 [2021-03-11 03:13:42,358 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 139 [2021-03-11 03:13:42,359 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 556 places, 729 transitions, 9158 flow. Second operand has 27 states, 27 states have (on average 59.0) internal successors, (1593), 27 states have internal predecessors, (1593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:13:42,359 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 03:13:42,359 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 139 [2021-03-11 03:13:42,359 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 03:13:43,897 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 65 [2021-03-11 03:13:44,087 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 67 [2021-03-11 03:13:44,314 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 69 [2021-03-11 03:13:44,539 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 72 [2021-03-11 03:13:44,766 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 72 [2021-03-11 03:13:44,989 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2021-03-11 03:13:45,145 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 68 [2021-03-11 03:13:45,375 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 76 [2021-03-11 03:13:45,563 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 77 [2021-03-11 03:13:45,809 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 78 [2021-03-11 03:13:46,073 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 73 [2021-03-11 03:13:46,333 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 81 [2021-03-11 03:13:46,774 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 78 [2021-03-11 03:13:47,032 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 80 [2021-03-11 03:13:47,502 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 83 [2021-03-11 03:13:51,426 INFO L129 PetriNetUnfolder]: 5260/13045 cut-off events. [2021-03-11 03:13:51,426 INFO L130 PetriNetUnfolder]: For 217511/217540 co-relation queries the response was YES. [2021-03-11 03:13:51,608 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69076 conditions, 13045 events. 5260/13045 cut-off events. For 217511/217540 co-relation queries the response was YES. Maximal size of possible extension queue 247. Compared 111546 event pairs, 1424 based on Foata normal form. 27/12473 useless extension candidates. Maximal degree in co-relation 68877. Up to 5319 conditions per place. [2021-03-11 03:13:51,642 INFO L132 encePairwiseOnDemand]: 106/139 looper letters, 828 selfloop transitions, 281 changer transitions 3/1165 dead transitions. [2021-03-11 03:13:51,642 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 598 places, 1165 transitions, 17065 flow [2021-03-11 03:13:51,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-03-11 03:13:51,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2021-03-11 03:13:51,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 2879 transitions. [2021-03-11 03:13:51,646 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4816797724611009 [2021-03-11 03:13:51,646 INFO L72 ComplementDD]: Start complementDD. Operand 43 states and 2879 transitions. [2021-03-11 03:13:51,647 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 2879 transitions. [2021-03-11 03:13:51,648 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 03:13:51,648 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 43 states and 2879 transitions. [2021-03-11 03:13:51,651 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 44 states, 43 states have (on average 66.95348837209302) internal successors, (2879), 43 states have internal predecessors, (2879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:13:51,656 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 44 states, 44 states have (on average 139.0) internal successors, (6116), 44 states have internal predecessors, (6116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:13:51,657 INFO L81 ComplementDD]: Finished complementDD. Result has 44 states, 44 states have (on average 139.0) internal successors, (6116), 44 states have internal predecessors, (6116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:13:51,657 INFO L185 Difference]: Start difference. First operand has 556 places, 729 transitions, 9158 flow. Second operand 43 states and 2879 transitions. [2021-03-11 03:13:51,657 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 598 places, 1165 transitions, 17065 flow [2021-03-11 03:13:52,768 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 585 places, 1165 transitions, 16128 flow, removed 353 selfloop flow, removed 13 redundant places. [2021-03-11 03:13:52,782 INFO L241 Difference]: Finished difference. Result has 616 places, 817 transitions, 11314 flow [2021-03-11 03:13:52,783 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=8426, PETRI_DIFFERENCE_MINUEND_PLACES=543, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=729, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=199, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=498, PETRI_DIFFERENCE_SUBTRAHEND_STATES=43, PETRI_FLOW=11314, PETRI_PLACES=616, PETRI_TRANSITIONS=817} [2021-03-11 03:13:52,783 INFO L335 CegarLoopForPetriNet]: 124 programPoint places, 492 predicate places. [2021-03-11 03:13:52,783 INFO L480 AbstractCegarLoop]: Abstraction has has 616 places, 817 transitions, 11314 flow [2021-03-11 03:13:52,784 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 59.0) internal successors, (1593), 27 states have internal predecessors, (1593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:13:52,784 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 03:13:52,784 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 03:13:52,784 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-11 03:13:52,784 INFO L428 AbstractCegarLoop]: === Iteration 11 === [reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 03:13:52,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 03:13:52,784 INFO L82 PathProgramCache]: Analyzing trace with hash -2097100534, now seen corresponding path program 8 times [2021-03-11 03:13:52,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 03:13:52,785 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482808900] [2021-03-11 03:13:52,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 03:13:52,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 03:13:52,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:52,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 03:13:52,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:52,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 03:13:52,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:52,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 03:13:52,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:52,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 03:13:52,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:52,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 03:13:52,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:52,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 03:13:52,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:52,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-11 03:13:52,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:52,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 03:13:52,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:52,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:13:52,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:52,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:13:52,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:52,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:13:52,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:52,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:13:52,976 INFO L142 QuantifierPusher]: treesize reduction 16, result has 65.2 percent of original size [2021-03-11 03:13:52,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 03:13:53,008 INFO L142 QuantifierPusher]: treesize reduction 16, result has 65.2 percent of original size [2021-03-11 03:13:53,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 03:13:53,023 INFO L142 QuantifierPusher]: treesize reduction 16, result has 61.9 percent of original size [2021-03-11 03:13:53,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 03:13:53,039 INFO L142 QuantifierPusher]: treesize reduction 16, result has 61.9 percent of original size [2021-03-11 03:13:53,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 03:13:53,056 INFO L142 QuantifierPusher]: treesize reduction 16, result has 61.9 percent of original size [2021-03-11 03:13:53,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 03:13:53,073 INFO L142 QuantifierPusher]: treesize reduction 16, result has 61.9 percent of original size [2021-03-11 03:13:53,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 03:13:53,092 INFO L142 QuantifierPusher]: treesize reduction 22, result has 69.4 percent of original size [2021-03-11 03:13:53,093 INFO L147 QuantifierPusher]: treesize reduction 4, result has 92.0 percent of original size 46 [2021-03-11 03:13:53,124 INFO L142 QuantifierPusher]: treesize reduction 28, result has 67.8 percent of original size [2021-03-11 03:13:53,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-11 03:13:53,175 INFO L142 QuantifierPusher]: treesize reduction 16, result has 77.1 percent of original size [2021-03-11 03:13:53,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-11 03:13:53,224 INFO L142 QuantifierPusher]: treesize reduction 19, result has 72.5 percent of original size [2021-03-11 03:13:53,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-11 03:13:53,263 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 03:13:53,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 03:13:53,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:53,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 03:13:53,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:53,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 03:13:53,315 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 03:13:53,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 03:13:53,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:13:53,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 03:13:53,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 03:13:53,344 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482808900] [2021-03-11 03:13:53,344 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 03:13:53,344 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-03-11 03:13:53,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890255812] [2021-03-11 03:13:53,344 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-03-11 03:13:53,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 03:13:53,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-03-11 03:13:53,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2021-03-11 03:13:53,346 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 139 [2021-03-11 03:13:53,347 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 616 places, 817 transitions, 11314 flow. Second operand has 27 states, 27 states have (on average 58.03703703703704) internal successors, (1567), 27 states have internal predecessors, (1567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:13:53,347 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 03:13:53,347 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 139 [2021-03-11 03:13:53,347 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 03:13:53,753 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 37 [2021-03-11 03:13:55,099 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 62 [2021-03-11 03:13:55,394 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 56 [2021-03-11 03:13:55,829 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 63 [2021-03-11 03:13:55,959 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 65 [2021-03-11 03:13:56,104 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 61 [2021-03-11 03:13:56,300 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 66 [2021-03-11 03:13:56,444 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 67 [2021-03-11 03:13:56,714 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 70 [2021-03-11 03:13:56,935 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 69 [2021-03-11 03:13:57,165 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 71 [2021-03-11 03:13:57,409 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 74 [2021-03-11 03:13:57,594 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2021-03-11 03:13:57,882 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 76 [2021-03-11 03:13:58,251 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 79 [2021-03-11 03:13:58,427 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 78 [2021-03-11 03:13:58,716 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 80 [2021-03-11 03:13:59,028 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 83 [2021-03-11 03:13:59,645 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 82 [2021-03-11 03:13:59,952 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 84 [2021-03-11 03:14:00,399 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 87 [2021-03-11 03:14:00,783 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 26 [2021-03-11 03:14:05,202 INFO L129 PetriNetUnfolder]: 5945/14252 cut-off events. [2021-03-11 03:14:05,202 INFO L130 PetriNetUnfolder]: For 315115/315152 co-relation queries the response was YES. [2021-03-11 03:14:05,462 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83498 conditions, 14252 events. 5945/14252 cut-off events. For 315115/315152 co-relation queries the response was YES. Maximal size of possible extension queue 265. Compared 120986 event pairs, 1376 based on Foata normal form. 30/13687 useless extension candidates. Maximal degree in co-relation 83268. Up to 4488 conditions per place. [2021-03-11 03:14:05,511 INFO L132 encePairwiseOnDemand]: 106/139 looper letters, 847 selfloop transitions, 499 changer transitions 19/1417 dead transitions. [2021-03-11 03:14:05,511 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 669 places, 1417 transitions, 21764 flow [2021-03-11 03:14:05,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-03-11 03:14:05,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2021-03-11 03:14:05,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 3570 transitions. [2021-03-11 03:14:05,516 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4756195043964828 [2021-03-11 03:14:05,516 INFO L72 ComplementDD]: Start complementDD. Operand 54 states and 3570 transitions. [2021-03-11 03:14:05,516 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 3570 transitions. [2021-03-11 03:14:05,517 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 03:14:05,517 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 54 states and 3570 transitions. [2021-03-11 03:14:05,522 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 55 states, 54 states have (on average 66.11111111111111) internal successors, (3570), 54 states have internal predecessors, (3570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:14:05,528 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 55 states, 55 states have (on average 139.0) internal successors, (7645), 55 states have internal predecessors, (7645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:14:05,529 INFO L81 ComplementDD]: Finished complementDD. Result has 55 states, 55 states have (on average 139.0) internal successors, (7645), 55 states have internal predecessors, (7645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:14:05,529 INFO L185 Difference]: Start difference. First operand has 616 places, 817 transitions, 11314 flow. Second operand 54 states and 3570 transitions. [2021-03-11 03:14:05,529 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 669 places, 1417 transitions, 21764 flow [2021-03-11 03:14:07,038 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 659 places, 1417 transitions, 19874 flow, removed 851 selfloop flow, removed 10 redundant places. [2021-03-11 03:14:07,053 INFO L241 Difference]: Finished difference. Result has 690 places, 917 transitions, 13821 flow [2021-03-11 03:14:07,054 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=10213, PETRI_DIFFERENCE_MINUEND_PLACES=606, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=817, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=402, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=393, PETRI_DIFFERENCE_SUBTRAHEND_STATES=54, PETRI_FLOW=13821, PETRI_PLACES=690, PETRI_TRANSITIONS=917} [2021-03-11 03:14:07,054 INFO L335 CegarLoopForPetriNet]: 124 programPoint places, 566 predicate places. [2021-03-11 03:14:07,054 INFO L480 AbstractCegarLoop]: Abstraction has has 690 places, 917 transitions, 13821 flow [2021-03-11 03:14:07,055 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 58.03703703703704) internal successors, (1567), 27 states have internal predecessors, (1567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:14:07,055 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 03:14:07,055 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 03:14:07,055 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-11 03:14:07,055 INFO L428 AbstractCegarLoop]: === Iteration 12 === [reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 03:14:07,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 03:14:07,055 INFO L82 PathProgramCache]: Analyzing trace with hash 1343872836, now seen corresponding path program 9 times [2021-03-11 03:14:07,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 03:14:07,055 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561123167] [2021-03-11 03:14:07,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 03:14:07,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 03:14:07,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:07,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 03:14:07,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:07,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 03:14:07,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:07,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 03:14:07,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:07,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 03:14:07,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:07,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 03:14:07,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:07,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 03:14:07,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:07,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-11 03:14:07,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:07,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 03:14:07,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:07,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:14:07,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:07,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:14:07,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:07,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:14:07,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:07,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:14:07,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:07,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:14:07,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:07,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:14:07,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:07,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:14:07,308 INFO L142 QuantifierPusher]: treesize reduction 15, result has 68.1 percent of original size [2021-03-11 03:14:07,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 03:14:07,331 INFO L142 QuantifierPusher]: treesize reduction 15, result has 70.0 percent of original size [2021-03-11 03:14:07,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 03:14:07,352 INFO L142 QuantifierPusher]: treesize reduction 15, result has 68.1 percent of original size [2021-03-11 03:14:07,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 03:14:07,372 INFO L142 QuantifierPusher]: treesize reduction 45, result has 39.2 percent of original size [2021-03-11 03:14:07,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 03:14:07,395 INFO L142 QuantifierPusher]: treesize reduction 45, result has 39.2 percent of original size [2021-03-11 03:14:07,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 03:14:07,418 INFO L142 QuantifierPusher]: treesize reduction 51, result has 46.3 percent of original size [2021-03-11 03:14:07,418 INFO L147 QuantifierPusher]: treesize reduction 6, result has 86.4 percent of original size 38 [2021-03-11 03:14:07,452 INFO L142 QuantifierPusher]: treesize reduction 51, result has 44.0 percent of original size [2021-03-11 03:14:07,453 INFO L147 QuantifierPusher]: treesize reduction 6, result has 85.0 percent of original size 34 [2021-03-11 03:14:07,507 INFO L142 QuantifierPusher]: treesize reduction 14, result has 39.1 percent of original size [2021-03-11 03:14:07,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 03:14:07,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:07,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 03:14:07,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:07,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 03:14:07,562 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 03:14:07,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 03:14:07,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:07,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 03:14:07,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 03:14:07,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561123167] [2021-03-11 03:14:07,593 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 03:14:07,593 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-03-11 03:14:07,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000051590] [2021-03-11 03:14:07,594 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-03-11 03:14:07,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 03:14:07,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-03-11 03:14:07,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=638, Unknown=0, NotChecked=0, Total=702 [2021-03-11 03:14:07,595 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 139 [2021-03-11 03:14:07,596 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 690 places, 917 transitions, 13821 flow. Second operand has 27 states, 27 states have (on average 59.0) internal successors, (1593), 27 states have internal predecessors, (1593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:14:07,596 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 03:14:07,597 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 139 [2021-03-11 03:14:07,597 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 03:14:08,535 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 57 [2021-03-11 03:14:08,743 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 61 [2021-03-11 03:14:08,997 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 66 [2021-03-11 03:14:09,441 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 67 [2021-03-11 03:14:09,680 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 71 [2021-03-11 03:14:10,707 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 75 [2021-03-11 03:14:11,162 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 80 [2021-03-11 03:14:11,516 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 82 [2021-03-11 03:14:11,929 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 81 [2021-03-11 03:14:12,475 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 78 [2021-03-11 03:14:13,075 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 82 [2021-03-11 03:14:17,835 INFO L129 PetriNetUnfolder]: 6329/15632 cut-off events. [2021-03-11 03:14:17,836 INFO L130 PetriNetUnfolder]: For 392777/392810 co-relation queries the response was YES. [2021-03-11 03:14:18,132 INFO L84 FinitePrefix]: Finished finitePrefix Result has 94678 conditions, 15632 events. 6329/15632 cut-off events. For 392777/392810 co-relation queries the response was YES. Maximal size of possible extension queue 298. Compared 139229 event pairs, 1916 based on Foata normal form. 25/14968 useless extension candidates. Maximal degree in co-relation 94417. Up to 7147 conditions per place. [2021-03-11 03:14:18,183 INFO L132 encePairwiseOnDemand]: 106/139 looper letters, 1037 selfloop transitions, 236 changer transitions 4/1330 dead transitions. [2021-03-11 03:14:18,183 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 726 places, 1330 transitions, 22359 flow [2021-03-11 03:14:18,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-03-11 03:14:18,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2021-03-11 03:14:18,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 2499 transitions. [2021-03-11 03:14:18,186 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.48590316935640676 [2021-03-11 03:14:18,186 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 2499 transitions. [2021-03-11 03:14:18,186 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 2499 transitions. [2021-03-11 03:14:18,187 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 03:14:18,187 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 2499 transitions. [2021-03-11 03:14:18,190 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 67.54054054054055) internal successors, (2499), 37 states have internal predecessors, (2499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:14:18,194 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 38 states, 38 states have (on average 139.0) internal successors, (5282), 38 states have internal predecessors, (5282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:14:18,195 INFO L81 ComplementDD]: Finished complementDD. Result has 38 states, 38 states have (on average 139.0) internal successors, (5282), 38 states have internal predecessors, (5282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:14:18,195 INFO L185 Difference]: Start difference. First operand has 690 places, 917 transitions, 13821 flow. Second operand 37 states and 2499 transitions. [2021-03-11 03:14:18,195 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 726 places, 1330 transitions, 22359 flow [2021-03-11 03:14:20,612 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 714 places, 1330 transitions, 20763 flow, removed 580 selfloop flow, removed 12 redundant places. [2021-03-11 03:14:20,627 INFO L241 Difference]: Finished difference. Result has 740 places, 996 transitions, 15387 flow [2021-03-11 03:14:20,628 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=12610, PETRI_DIFFERENCE_MINUEND_PLACES=678, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=917, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=162, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=720, PETRI_DIFFERENCE_SUBTRAHEND_STATES=37, PETRI_FLOW=15387, PETRI_PLACES=740, PETRI_TRANSITIONS=996} [2021-03-11 03:14:20,628 INFO L335 CegarLoopForPetriNet]: 124 programPoint places, 616 predicate places. [2021-03-11 03:14:20,628 INFO L480 AbstractCegarLoop]: Abstraction has has 740 places, 996 transitions, 15387 flow [2021-03-11 03:14:20,629 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 59.0) internal successors, (1593), 27 states have internal predecessors, (1593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:14:20,629 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 03:14:20,629 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 03:14:20,629 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-11 03:14:20,629 INFO L428 AbstractCegarLoop]: === Iteration 13 === [reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 03:14:20,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 03:14:20,629 INFO L82 PathProgramCache]: Analyzing trace with hash -30614790, now seen corresponding path program 10 times [2021-03-11 03:14:20,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 03:14:20,629 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358629552] [2021-03-11 03:14:20,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 03:14:20,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 03:14:20,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:20,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 03:14:20,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:20,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 03:14:20,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:20,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 03:14:20,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:20,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 03:14:20,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:20,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 03:14:20,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:20,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 03:14:20,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:20,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-11 03:14:20,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:20,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 03:14:20,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:20,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:14:20,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:20,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:14:20,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:20,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:14:20,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:20,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:14:20,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:20,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:14:20,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:20,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:14:20,883 INFO L142 QuantifierPusher]: treesize reduction 16, result has 65.2 percent of original size [2021-03-11 03:14:20,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 03:14:20,905 INFO L142 QuantifierPusher]: treesize reduction 16, result has 61.9 percent of original size [2021-03-11 03:14:20,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 03:14:20,929 INFO L142 QuantifierPusher]: treesize reduction 16, result has 61.9 percent of original size [2021-03-11 03:14:20,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 03:14:20,955 INFO L142 QuantifierPusher]: treesize reduction 16, result has 61.9 percent of original size [2021-03-11 03:14:20,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 03:14:20,984 INFO L142 QuantifierPusher]: treesize reduction 22, result has 69.4 percent of original size [2021-03-11 03:14:20,985 INFO L147 QuantifierPusher]: treesize reduction 4, result has 92.0 percent of original size 46 [2021-03-11 03:14:21,041 INFO L142 QuantifierPusher]: treesize reduction 28, result has 67.8 percent of original size [2021-03-11 03:14:21,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-11 03:14:21,102 INFO L142 QuantifierPusher]: treesize reduction 16, result has 77.1 percent of original size [2021-03-11 03:14:21,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-11 03:14:21,161 INFO L142 QuantifierPusher]: treesize reduction 19, result has 72.5 percent of original size [2021-03-11 03:14:21,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-11 03:14:21,212 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 03:14:21,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 03:14:21,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:21,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 03:14:21,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:21,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 03:14:21,350 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 03:14:21,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 03:14:21,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:21,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 03:14:21,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 03:14:21,381 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358629552] [2021-03-11 03:14:21,381 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 03:14:21,381 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-03-11 03:14:21,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657648119] [2021-03-11 03:14:21,381 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-03-11 03:14:21,381 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 03:14:21,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-03-11 03:14:21,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=631, Unknown=0, NotChecked=0, Total=702 [2021-03-11 03:14:21,383 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 139 [2021-03-11 03:14:21,383 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 740 places, 996 transitions, 15387 flow. Second operand has 27 states, 27 states have (on average 58.03703703703704) internal successors, (1567), 27 states have internal predecessors, (1567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:14:21,384 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 03:14:21,384 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 139 [2021-03-11 03:14:21,384 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 03:14:22,887 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 63 [2021-03-11 03:14:23,028 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 65 [2021-03-11 03:14:23,261 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 66 [2021-03-11 03:14:23,396 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 67 [2021-03-11 03:14:23,636 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 70 [2021-03-11 03:14:23,762 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 60 [2021-03-11 03:14:23,988 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 69 [2021-03-11 03:14:24,246 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 71 [2021-03-11 03:14:24,414 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 65 [2021-03-11 03:14:24,740 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 74 [2021-03-11 03:14:24,909 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2021-03-11 03:14:25,192 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 76 [2021-03-11 03:14:25,513 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 79 [2021-03-11 03:14:25,688 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 78 [2021-03-11 03:14:26,107 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 80 [2021-03-11 03:14:26,452 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 83 [2021-03-11 03:14:27,088 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 82 [2021-03-11 03:14:27,539 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 84 [2021-03-11 03:14:28,001 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 87 [2021-03-11 03:14:34,743 INFO L129 PetriNetUnfolder]: 7301/17429 cut-off events. [2021-03-11 03:14:34,744 INFO L130 PetriNetUnfolder]: For 525351/525394 co-relation queries the response was YES. [2021-03-11 03:14:35,106 INFO L84 FinitePrefix]: Finished finitePrefix Result has 112841 conditions, 17429 events. 7301/17429 cut-off events. For 525351/525394 co-relation queries the response was YES. Maximal size of possible extension queue 331. Compared 154233 event pairs, 2362 based on Foata normal form. 29/16731 useless extension candidates. Maximal degree in co-relation 112554. Up to 8265 conditions per place. [2021-03-11 03:14:35,164 INFO L132 encePairwiseOnDemand]: 106/139 looper letters, 1105 selfloop transitions, 260 changer transitions 15/1432 dead transitions. [2021-03-11 03:14:35,165 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 786 places, 1432 transitions, 25050 flow [2021-03-11 03:14:35,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-03-11 03:14:35,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2021-03-11 03:14:35,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 3120 transitions. [2021-03-11 03:14:35,169 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4775753864993112 [2021-03-11 03:14:35,169 INFO L72 ComplementDD]: Start complementDD. Operand 47 states and 3120 transitions. [2021-03-11 03:14:35,169 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 3120 transitions. [2021-03-11 03:14:35,170 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 03:14:35,170 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 47 states and 3120 transitions. [2021-03-11 03:14:35,174 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 48 states, 47 states have (on average 66.38297872340425) internal successors, (3120), 47 states have internal predecessors, (3120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:14:35,179 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 48 states, 48 states have (on average 139.0) internal successors, (6672), 48 states have internal predecessors, (6672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:14:35,179 INFO L81 ComplementDD]: Finished complementDD. Result has 48 states, 48 states have (on average 139.0) internal successors, (6672), 48 states have internal predecessors, (6672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:14:35,179 INFO L185 Difference]: Start difference. First operand has 740 places, 996 transitions, 15387 flow. Second operand 47 states and 3120 transitions. [2021-03-11 03:14:35,179 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 786 places, 1432 transitions, 25050 flow [2021-03-11 03:14:38,260 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 777 places, 1432 transitions, 23508 flow, removed 714 selfloop flow, removed 9 redundant places. [2021-03-11 03:14:38,278 INFO L241 Difference]: Finished difference. Result has 810 places, 1098 transitions, 17764 flow [2021-03-11 03:14:38,278 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=14351, PETRI_DIFFERENCE_MINUEND_PLACES=731, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=996, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=167, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=799, PETRI_DIFFERENCE_SUBTRAHEND_STATES=47, PETRI_FLOW=17764, PETRI_PLACES=810, PETRI_TRANSITIONS=1098} [2021-03-11 03:14:38,279 INFO L335 CegarLoopForPetriNet]: 124 programPoint places, 686 predicate places. [2021-03-11 03:14:38,279 INFO L480 AbstractCegarLoop]: Abstraction has has 810 places, 1098 transitions, 17764 flow [2021-03-11 03:14:38,279 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 58.03703703703704) internal successors, (1567), 27 states have internal predecessors, (1567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:14:38,279 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 03:14:38,279 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 03:14:38,279 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-11 03:14:38,279 INFO L428 AbstractCegarLoop]: === Iteration 14 === [reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 03:14:38,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 03:14:38,280 INFO L82 PathProgramCache]: Analyzing trace with hash -572096576, now seen corresponding path program 11 times [2021-03-11 03:14:38,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 03:14:38,280 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889707429] [2021-03-11 03:14:38,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 03:14:38,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 03:14:38,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:38,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 03:14:38,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:38,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 03:14:38,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:38,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 03:14:38,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:38,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 03:14:38,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:38,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 03:14:38,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:38,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 03:14:38,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:38,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-11 03:14:38,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:38,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 03:14:38,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:38,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:14:38,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:38,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:14:38,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:38,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:14:38,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:38,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:14:38,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:38,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:14:38,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:38,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:14:38,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:38,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:14:38,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:38,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:14:38,594 INFO L142 QuantifierPusher]: treesize reduction 18, result has 60.9 percent of original size [2021-03-11 03:14:38,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:14:38,615 INFO L142 QuantifierPusher]: treesize reduction 18, result has 57.1 percent of original size [2021-03-11 03:14:38,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 03:14:38,636 INFO L142 QuantifierPusher]: treesize reduction 22, result has 67.2 percent of original size [2021-03-11 03:14:38,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-11 03:14:38,687 INFO L142 QuantifierPusher]: treesize reduction 22, result has 68.6 percent of original size [2021-03-11 03:14:38,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-11 03:14:38,729 INFO L142 QuantifierPusher]: treesize reduction 22, result has 67.2 percent of original size [2021-03-11 03:14:38,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-11 03:14:38,773 INFO L142 QuantifierPusher]: treesize reduction 42, result has 53.8 percent of original size [2021-03-11 03:14:38,774 INFO L147 QuantifierPusher]: treesize reduction 7, result has 85.7 percent of original size 42 [2021-03-11 03:14:38,817 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 03:14:38,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 03:14:38,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:38,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 03:14:38,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:38,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 03:14:38,877 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 03:14:38,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 03:14:38,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:38,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 03:14:38,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 03:14:38,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889707429] [2021-03-11 03:14:38,911 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 03:14:38,911 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-03-11 03:14:38,911 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863669997] [2021-03-11 03:14:38,911 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-03-11 03:14:38,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 03:14:38,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-03-11 03:14:38,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=634, Unknown=0, NotChecked=0, Total=702 [2021-03-11 03:14:38,913 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 139 [2021-03-11 03:14:38,914 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 810 places, 1098 transitions, 17764 flow. Second operand has 27 states, 27 states have (on average 59.0) internal successors, (1593), 27 states have internal predecessors, (1593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:14:38,914 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 03:14:38,914 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 139 [2021-03-11 03:14:38,914 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 03:14:40,702 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 65 [2021-03-11 03:14:41,039 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 67 [2021-03-11 03:14:41,319 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 69 [2021-03-11 03:14:41,598 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 72 [2021-03-11 03:14:41,765 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 72 [2021-03-11 03:14:42,060 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2021-03-11 03:14:42,217 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 68 [2021-03-11 03:14:42,641 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 76 [2021-03-11 03:14:42,841 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 77 [2021-03-11 03:14:43,165 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 78 [2021-03-11 03:14:43,360 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 73 [2021-03-11 03:14:43,707 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 81 [2021-03-11 03:14:44,552 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 78 [2021-03-11 03:14:44,908 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 80 [2021-03-11 03:14:45,535 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 83 [2021-03-11 03:14:53,157 INFO L129 PetriNetUnfolder]: 7880/19131 cut-off events. [2021-03-11 03:14:53,158 INFO L130 PetriNetUnfolder]: For 631104/631153 co-relation queries the response was YES. [2021-03-11 03:14:53,655 INFO L84 FinitePrefix]: Finished finitePrefix Result has 128444 conditions, 19131 events. 7880/19131 cut-off events. For 631104/631153 co-relation queries the response was YES. Maximal size of possible extension queue 364. Compared 176570 event pairs, 2366 based on Foata normal form. 29/18312 useless extension candidates. Maximal degree in co-relation 128124. Up to 8713 conditions per place. [2021-03-11 03:14:53,719 INFO L132 encePairwiseOnDemand]: 106/139 looper letters, 1193 selfloop transitions, 285 changer transitions 6/1537 dead transitions. [2021-03-11 03:14:53,719 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 852 places, 1537 transitions, 28462 flow [2021-03-11 03:14:53,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-03-11 03:14:53,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2021-03-11 03:14:53,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 2904 transitions. [2021-03-11 03:14:53,723 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4858624728124477 [2021-03-11 03:14:53,723 INFO L72 ComplementDD]: Start complementDD. Operand 43 states and 2904 transitions. [2021-03-11 03:14:53,723 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 2904 transitions. [2021-03-11 03:14:53,723 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 03:14:53,723 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 43 states and 2904 transitions. [2021-03-11 03:14:53,726 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 44 states, 43 states have (on average 67.53488372093024) internal successors, (2904), 43 states have internal predecessors, (2904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:14:53,730 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 44 states, 44 states have (on average 139.0) internal successors, (6116), 44 states have internal predecessors, (6116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:14:53,730 INFO L81 ComplementDD]: Finished complementDD. Result has 44 states, 44 states have (on average 139.0) internal successors, (6116), 44 states have internal predecessors, (6116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:14:53,730 INFO L185 Difference]: Start difference. First operand has 810 places, 1098 transitions, 17764 flow. Second operand 43 states and 2904 transitions. [2021-03-11 03:14:53,730 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 852 places, 1537 transitions, 28462 flow [2021-03-11 03:14:57,724 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 843 places, 1537 transitions, 27269 flow, removed 507 selfloop flow, removed 9 redundant places. [2021-03-11 03:14:57,746 INFO L241 Difference]: Finished difference. Result has 876 places, 1201 transitions, 20714 flow [2021-03-11 03:14:57,748 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=16601, PETRI_DIFFERENCE_MINUEND_PLACES=801, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1098, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=188, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=876, PETRI_DIFFERENCE_SUBTRAHEND_STATES=43, PETRI_FLOW=20714, PETRI_PLACES=876, PETRI_TRANSITIONS=1201} [2021-03-11 03:14:57,748 INFO L335 CegarLoopForPetriNet]: 124 programPoint places, 752 predicate places. [2021-03-11 03:14:57,748 INFO L480 AbstractCegarLoop]: Abstraction has has 876 places, 1201 transitions, 20714 flow [2021-03-11 03:14:57,748 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 59.0) internal successors, (1593), 27 states have internal predecessors, (1593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:14:57,748 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 03:14:57,749 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 03:14:57,749 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-11 03:14:57,749 INFO L428 AbstractCegarLoop]: === Iteration 15 === [reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 03:14:57,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 03:14:57,749 INFO L82 PathProgramCache]: Analyzing trace with hash -350530202, now seen corresponding path program 12 times [2021-03-11 03:14:57,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 03:14:57,749 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269419562] [2021-03-11 03:14:57,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 03:14:57,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 03:14:57,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:57,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 03:14:57,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:57,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 03:14:57,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:57,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 03:14:57,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:57,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 03:14:57,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:57,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 03:14:57,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:57,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 03:14:57,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:57,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-11 03:14:57,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:57,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 03:14:57,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:57,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:14:57,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:57,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:14:57,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:57,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:14:57,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:57,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:14:57,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:57,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:14:57,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:57,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:14:58,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:58,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:14:58,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:58,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:14:58,048 INFO L142 QuantifierPusher]: treesize reduction 7, result has 81.1 percent of original size [2021-03-11 03:14:58,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 03:14:58,074 INFO L142 QuantifierPusher]: treesize reduction 8, result has 80.5 percent of original size [2021-03-11 03:14:58,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 03:14:58,104 INFO L142 QuantifierPusher]: treesize reduction 23, result has 68.5 percent of original size [2021-03-11 03:14:58,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-11 03:14:58,153 INFO L142 QuantifierPusher]: treesize reduction 20, result has 70.6 percent of original size [2021-03-11 03:14:58,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-11 03:14:58,204 INFO L142 QuantifierPusher]: treesize reduction 20, result has 68.8 percent of original size [2021-03-11 03:14:58,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-11 03:14:58,256 INFO L142 QuantifierPusher]: treesize reduction 36, result has 66.4 percent of original size [2021-03-11 03:14:58,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-11 03:14:58,303 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 03:14:58,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 03:14:58,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:58,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 03:14:58,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:58,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 03:14:58,364 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 03:14:58,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 03:14:58,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:14:58,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 03:14:58,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 03:14:58,399 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269419562] [2021-03-11 03:14:58,399 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 03:14:58,400 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-03-11 03:14:58,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397678323] [2021-03-11 03:14:58,400 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-03-11 03:14:58,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 03:14:58,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-03-11 03:14:58,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=637, Unknown=0, NotChecked=0, Total=702 [2021-03-11 03:14:58,402 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 139 [2021-03-11 03:14:58,402 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 876 places, 1201 transitions, 20714 flow. Second operand has 27 states, 27 states have (on average 58.03703703703704) internal successors, (1567), 27 states have internal predecessors, (1567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:14:58,402 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 03:14:58,402 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 139 [2021-03-11 03:14:58,403 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 03:14:59,216 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 47 [2021-03-11 03:14:59,956 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 61 [2021-03-11 03:15:00,302 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 65 [2021-03-11 03:15:00,713 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 70 [2021-03-11 03:15:01,141 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 69 [2021-03-11 03:15:01,461 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 74 [2021-03-11 03:15:01,808 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 74 [2021-03-11 03:15:02,003 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 76 [2021-03-11 03:15:02,411 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 78 [2021-03-11 03:15:02,783 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 79 [2021-03-11 03:15:03,176 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 80 [2021-03-11 03:15:03,374 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 72 [2021-03-11 03:15:03,825 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 83 [2021-03-11 03:15:04,407 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 77 [2021-03-11 03:15:04,615 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 78 [2021-03-11 03:15:05,042 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 82 [2021-03-11 03:15:05,501 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 84 [2021-03-11 03:15:05,719 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 82 [2021-03-11 03:15:06,402 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 87 [2021-03-11 03:15:17,075 INFO L129 PetriNetUnfolder]: 9723/22987 cut-off events. [2021-03-11 03:15:17,075 INFO L130 PetriNetUnfolder]: For 939051/939112 co-relation queries the response was YES. [2021-03-11 03:15:17,745 INFO L84 FinitePrefix]: Finished finitePrefix Result has 167933 conditions, 22987 events. 9723/22987 cut-off events. For 939051/939112 co-relation queries the response was YES. Maximal size of possible extension queue 422. Compared 215216 event pairs, 3001 based on Foata normal form. 32/22043 useless extension candidates. Maximal degree in co-relation 167580. Up to 9937 conditions per place. [2021-03-11 03:15:17,826 INFO L132 encePairwiseOnDemand]: 106/139 looper letters, 1366 selfloop transitions, 399 changer transitions 6/1823 dead transitions. [2021-03-11 03:15:17,826 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 920 places, 1823 transitions, 35290 flow [2021-03-11 03:15:17,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-03-11 03:15:17,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2021-03-11 03:15:17,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 2986 transitions. [2021-03-11 03:15:17,830 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4773780975219824 [2021-03-11 03:15:17,830 INFO L72 ComplementDD]: Start complementDD. Operand 45 states and 2986 transitions. [2021-03-11 03:15:17,830 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 2986 transitions. [2021-03-11 03:15:17,831 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 03:15:17,831 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 45 states and 2986 transitions. [2021-03-11 03:15:17,834 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 46 states, 45 states have (on average 66.35555555555555) internal successors, (2986), 45 states have internal predecessors, (2986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:15:17,837 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 46 states, 46 states have (on average 139.0) internal successors, (6394), 46 states have internal predecessors, (6394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:15:17,838 INFO L81 ComplementDD]: Finished complementDD. Result has 46 states, 46 states have (on average 139.0) internal successors, (6394), 46 states have internal predecessors, (6394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:15:17,838 INFO L185 Difference]: Start difference. First operand has 876 places, 1201 transitions, 20714 flow. Second operand 45 states and 2986 transitions. [2021-03-11 03:15:17,838 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 920 places, 1823 transitions, 35290 flow [2021-03-11 03:15:25,060 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 912 places, 1823 transitions, 33629 flow, removed 793 selfloop flow, removed 8 redundant places. [2021-03-11 03:15:25,097 INFO L241 Difference]: Finished difference. Result has 947 places, 1407 transitions, 26675 flow [2021-03-11 03:15:25,099 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=19055, PETRI_DIFFERENCE_MINUEND_PLACES=868, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1201, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=216, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=923, PETRI_DIFFERENCE_SUBTRAHEND_STATES=45, PETRI_FLOW=26675, PETRI_PLACES=947, PETRI_TRANSITIONS=1407} [2021-03-11 03:15:25,099 INFO L335 CegarLoopForPetriNet]: 124 programPoint places, 823 predicate places. [2021-03-11 03:15:25,099 INFO L480 AbstractCegarLoop]: Abstraction has has 947 places, 1407 transitions, 26675 flow [2021-03-11 03:15:25,099 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 58.03703703703704) internal successors, (1567), 27 states have internal predecessors, (1567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:15:25,099 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 03:15:25,100 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 03:15:25,100 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-11 03:15:25,100 INFO L428 AbstractCegarLoop]: === Iteration 16 === [reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 03:15:25,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 03:15:25,100 INFO L82 PathProgramCache]: Analyzing trace with hash -1978138864, now seen corresponding path program 13 times [2021-03-11 03:15:25,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 03:15:25,101 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699095090] [2021-03-11 03:15:25,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 03:15:25,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 03:15:25,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:15:25,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 03:15:25,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:15:25,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 03:15:25,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:15:25,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 03:15:25,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:15:25,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 03:15:25,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:15:25,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 03:15:25,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:15:25,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 03:15:25,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:15:25,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-11 03:15:25,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:15:25,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 03:15:25,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:15:25,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:15:25,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:15:25,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:15:25,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:15:25,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:15:25,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:15:25,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:15:25,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:15:25,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:15:25,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:15:25,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:15:25,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:15:25,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:15:25,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:15:25,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:15:25,433 INFO L142 QuantifierPusher]: treesize reduction 18, result has 60.9 percent of original size [2021-03-11 03:15:25,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:15:25,461 INFO L142 QuantifierPusher]: treesize reduction 18, result has 57.1 percent of original size [2021-03-11 03:15:25,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 03:15:25,490 INFO L142 QuantifierPusher]: treesize reduction 22, result has 67.2 percent of original size [2021-03-11 03:15:25,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-11 03:15:25,536 INFO L142 QuantifierPusher]: treesize reduction 22, result has 68.6 percent of original size [2021-03-11 03:15:25,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-11 03:15:25,577 INFO L142 QuantifierPusher]: treesize reduction 22, result has 67.2 percent of original size [2021-03-11 03:15:25,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-11 03:15:25,612 INFO L142 QuantifierPusher]: treesize reduction 42, result has 53.8 percent of original size [2021-03-11 03:15:25,612 INFO L147 QuantifierPusher]: treesize reduction 7, result has 85.7 percent of original size 42 [2021-03-11 03:15:25,652 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 03:15:25,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 03:15:25,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:15:25,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 03:15:25,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:15:25,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 03:15:25,709 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 03:15:25,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 03:15:25,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:15:25,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 03:15:25,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 03:15:25,740 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699095090] [2021-03-11 03:15:25,740 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 03:15:25,740 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-03-11 03:15:25,740 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672048809] [2021-03-11 03:15:25,740 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-03-11 03:15:25,740 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 03:15:25,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-03-11 03:15:25,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=634, Unknown=0, NotChecked=0, Total=702 [2021-03-11 03:15:25,742 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 139 [2021-03-11 03:15:25,743 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 947 places, 1407 transitions, 26675 flow. Second operand has 27 states, 27 states have (on average 59.0) internal successors, (1593), 27 states have internal predecessors, (1593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:15:25,743 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 03:15:25,743 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 139 [2021-03-11 03:15:25,743 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 03:15:27,651 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 65 [2021-03-11 03:15:27,959 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 67 [2021-03-11 03:15:28,381 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 69 [2021-03-11 03:15:28,702 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 72 [2021-03-11 03:15:28,862 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 72 [2021-03-11 03:15:29,211 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2021-03-11 03:15:29,368 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 68 [2021-03-11 03:15:29,908 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 76 [2021-03-11 03:15:30,103 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 77 [2021-03-11 03:15:30,497 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 78 [2021-03-11 03:15:30,684 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 73 [2021-03-11 03:15:31,113 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 81 [2021-03-11 03:15:32,354 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 78 [2021-03-11 03:15:32,849 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 80 [2021-03-11 03:15:33,642 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 83 [2021-03-11 03:15:34,936 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 51 [2021-03-11 03:15:47,529 INFO L129 PetriNetUnfolder]: 9939/23684 cut-off events. [2021-03-11 03:15:47,529 INFO L130 PetriNetUnfolder]: For 1190622/1190674 co-relation queries the response was YES. [2021-03-11 03:15:48,272 INFO L84 FinitePrefix]: Finished finitePrefix Result has 187235 conditions, 23684 events. 9939/23684 cut-off events. For 1190622/1190674 co-relation queries the response was YES. Maximal size of possible extension queue 458. Compared 226326 event pairs, 3554 based on Foata normal form. 28/22672 useless extension candidates. Maximal degree in co-relation 186847. Up to 10634 conditions per place. [2021-03-11 03:15:48,365 INFO L132 encePairwiseOnDemand]: 106/139 looper letters, 1413 selfloop transitions, 340 changer transitions 6/1812 dead transitions. [2021-03-11 03:15:48,365 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 989 places, 1812 transitions, 38550 flow [2021-03-11 03:15:48,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-03-11 03:15:48,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2021-03-11 03:15:48,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 2908 transitions. [2021-03-11 03:15:48,371 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4865317048686632 [2021-03-11 03:15:48,371 INFO L72 ComplementDD]: Start complementDD. Operand 43 states and 2908 transitions. [2021-03-11 03:15:48,371 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 2908 transitions. [2021-03-11 03:15:48,372 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 03:15:48,372 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 43 states and 2908 transitions. [2021-03-11 03:15:48,375 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 44 states, 43 states have (on average 67.62790697674419) internal successors, (2908), 43 states have internal predecessors, (2908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:15:48,379 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 44 states, 44 states have (on average 139.0) internal successors, (6116), 44 states have internal predecessors, (6116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:15:48,379 INFO L81 ComplementDD]: Finished complementDD. Result has 44 states, 44 states have (on average 139.0) internal successors, (6116), 44 states have internal predecessors, (6116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:15:48,379 INFO L185 Difference]: Start difference. First operand has 947 places, 1407 transitions, 26675 flow. Second operand 43 states and 2908 transitions. [2021-03-11 03:15:48,379 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 989 places, 1812 transitions, 38550 flow [2021-03-11 03:15:57,070 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 982 places, 1812 transitions, 36457 flow, removed 1033 selfloop flow, removed 7 redundant places. [2021-03-11 03:15:57,104 INFO L241 Difference]: Finished difference. Result has 1016 places, 1503 transitions, 29500 flow [2021-03-11 03:15:57,106 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=24979, PETRI_DIFFERENCE_MINUEND_PLACES=940, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1407, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=250, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=43, PETRI_FLOW=29500, PETRI_PLACES=1016, PETRI_TRANSITIONS=1503} [2021-03-11 03:15:57,106 INFO L335 CegarLoopForPetriNet]: 124 programPoint places, 892 predicate places. [2021-03-11 03:15:57,106 INFO L480 AbstractCegarLoop]: Abstraction has has 1016 places, 1503 transitions, 29500 flow [2021-03-11 03:15:57,106 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 59.0) internal successors, (1593), 27 states have internal predecessors, (1593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:15:57,106 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 03:15:57,106 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 03:15:57,107 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-11 03:15:57,107 INFO L428 AbstractCegarLoop]: === Iteration 17 === [reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 03:15:57,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 03:15:57,107 INFO L82 PathProgramCache]: Analyzing trace with hash -1685569186, now seen corresponding path program 14 times [2021-03-11 03:15:57,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 03:15:57,107 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208990794] [2021-03-11 03:15:57,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 03:15:57,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 03:15:57,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:15:57,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 03:15:57,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:15:57,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 03:15:57,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:15:57,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 03:15:57,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:15:57,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 03:15:57,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:15:57,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 03:15:57,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:15:57,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 03:15:57,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:15:57,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-11 03:15:57,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:15:57,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 03:15:57,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:15:57,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:15:57,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:15:57,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:15:57,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:15:57,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:15:57,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:15:57,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:15:57,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:15:57,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:15:57,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:15:57,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:15:57,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:15:57,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:15:57,349 INFO L142 QuantifierPusher]: treesize reduction 15, result has 68.1 percent of original size [2021-03-11 03:15:57,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 03:15:57,367 INFO L142 QuantifierPusher]: treesize reduction 15, result has 70.0 percent of original size [2021-03-11 03:15:57,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 03:15:57,388 INFO L142 QuantifierPusher]: treesize reduction 15, result has 68.1 percent of original size [2021-03-11 03:15:57,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 03:15:57,407 INFO L142 QuantifierPusher]: treesize reduction 45, result has 39.2 percent of original size [2021-03-11 03:15:57,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 03:15:57,433 INFO L142 QuantifierPusher]: treesize reduction 45, result has 39.2 percent of original size [2021-03-11 03:15:57,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 03:15:57,459 INFO L142 QuantifierPusher]: treesize reduction 46, result has 50.5 percent of original size [2021-03-11 03:15:57,460 INFO L147 QuantifierPusher]: treesize reduction 6, result has 87.2 percent of original size 41 [2021-03-11 03:15:57,492 INFO L142 QuantifierPusher]: treesize reduction 46, result has 48.3 percent of original size [2021-03-11 03:15:57,497 INFO L147 QuantifierPusher]: treesize reduction 6, result has 86.0 percent of original size 37 [2021-03-11 03:15:57,530 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 03:15:57,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 03:15:57,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:15:57,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 03:15:57,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:15:57,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 03:15:57,585 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 03:15:57,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 03:15:57,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:15:57,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 03:15:57,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 03:15:57,616 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208990794] [2021-03-11 03:15:57,616 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 03:15:57,616 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-03-11 03:15:57,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61408849] [2021-03-11 03:15:57,616 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-03-11 03:15:57,616 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 03:15:57,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-03-11 03:15:57,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2021-03-11 03:15:57,618 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 139 [2021-03-11 03:15:57,619 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1016 places, 1503 transitions, 29500 flow. Second operand has 27 states, 27 states have (on average 59.0) internal successors, (1593), 27 states have internal predecessors, (1593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:15:57,619 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 03:15:57,619 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 139 [2021-03-11 03:15:57,619 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 03:15:58,778 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 61 [2021-03-11 03:15:59,042 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 66 [2021-03-11 03:15:59,655 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 67 [2021-03-11 03:15:59,965 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 71 [2021-03-11 03:16:02,225 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 75 [2021-03-11 03:16:02,743 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 80 [2021-03-11 03:16:03,368 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2021-03-11 03:16:03,550 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 82 [2021-03-11 03:16:04,160 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 81 [2021-03-11 03:16:04,772 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 78 [2021-03-11 03:16:06,034 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 82 [2021-03-11 03:16:19,178 INFO L129 PetriNetUnfolder]: 10881/26281 cut-off events. [2021-03-11 03:16:19,178 INFO L130 PetriNetUnfolder]: For 1403939/1404008 co-relation queries the response was YES. [2021-03-11 03:16:20,173 INFO L84 FinitePrefix]: Finished finitePrefix Result has 208481 conditions, 26281 events. 10881/26281 cut-off events. For 1403939/1404008 co-relation queries the response was YES. Maximal size of possible extension queue 494. Compared 255827 event pairs, 2868 based on Foata normal form. 37/25199 useless extension candidates. Maximal degree in co-relation 208059. Up to 10021 conditions per place. [2021-03-11 03:16:20,498 INFO L132 encePairwiseOnDemand]: 106/139 looper letters, 1467 selfloop transitions, 658 changer transitions 4/2182 dead transitions. [2021-03-11 03:16:20,499 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1052 places, 2182 transitions, 46696 flow [2021-03-11 03:16:20,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-03-11 03:16:20,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2021-03-11 03:16:20,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 2478 transitions. [2021-03-11 03:16:20,502 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4818199494458487 [2021-03-11 03:16:20,502 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 2478 transitions. [2021-03-11 03:16:20,502 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 2478 transitions. [2021-03-11 03:16:20,502 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 03:16:20,502 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 2478 transitions. [2021-03-11 03:16:20,505 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 66.97297297297297) internal successors, (2478), 37 states have internal predecessors, (2478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:16:20,507 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 38 states, 38 states have (on average 139.0) internal successors, (5282), 38 states have internal predecessors, (5282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:16:20,507 INFO L81 ComplementDD]: Finished complementDD. Result has 38 states, 38 states have (on average 139.0) internal successors, (5282), 38 states have internal predecessors, (5282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:16:20,507 INFO L185 Difference]: Start difference. First operand has 1016 places, 1503 transitions, 29500 flow. Second operand 37 states and 2478 transitions. [2021-03-11 03:16:20,507 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1052 places, 2182 transitions, 46696 flow [2021-03-11 03:16:31,279 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1046 places, 2182 transitions, 44755 flow, removed 964 selfloop flow, removed 6 redundant places. [2021-03-11 03:16:31,316 INFO L241 Difference]: Finished difference. Result has 1071 places, 1673 transitions, 35535 flow [2021-03-11 03:16:31,317 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=27559, PETRI_DIFFERENCE_MINUEND_PLACES=1010, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1503, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=501, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=928, PETRI_DIFFERENCE_SUBTRAHEND_STATES=37, PETRI_FLOW=35535, PETRI_PLACES=1071, PETRI_TRANSITIONS=1673} [2021-03-11 03:16:31,317 INFO L335 CegarLoopForPetriNet]: 124 programPoint places, 947 predicate places. [2021-03-11 03:16:31,317 INFO L480 AbstractCegarLoop]: Abstraction has has 1071 places, 1673 transitions, 35535 flow [2021-03-11 03:16:31,318 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 59.0) internal successors, (1593), 27 states have internal predecessors, (1593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:16:31,318 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 03:16:31,318 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 03:16:31,318 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-11 03:16:31,318 INFO L428 AbstractCegarLoop]: === Iteration 18 === [reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 03:16:31,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 03:16:31,319 INFO L82 PathProgramCache]: Analyzing trace with hash 1632013718, now seen corresponding path program 15 times [2021-03-11 03:16:31,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 03:16:31,319 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739783080] [2021-03-11 03:16:31,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 03:16:31,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 03:16:31,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:16:31,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 03:16:31,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:16:31,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 03:16:31,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:16:31,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 03:16:31,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:16:31,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 03:16:31,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:16:31,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 03:16:31,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:16:31,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 03:16:31,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:16:31,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-11 03:16:31,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:16:31,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 03:16:31,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:16:31,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:16:31,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:16:31,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:16:31,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:16:31,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:16:31,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:16:31,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:16:31,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:16:31,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:16:31,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:16:31,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:16:31,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:16:31,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:16:31,588 INFO L142 QuantifierPusher]: treesize reduction 16, result has 65.2 percent of original size [2021-03-11 03:16:31,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 03:16:31,607 INFO L142 QuantifierPusher]: treesize reduction 16, result has 61.9 percent of original size [2021-03-11 03:16:31,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 03:16:31,627 INFO L142 QuantifierPusher]: treesize reduction 16, result has 61.9 percent of original size [2021-03-11 03:16:31,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 03:16:31,648 INFO L142 QuantifierPusher]: treesize reduction 22, result has 69.4 percent of original size [2021-03-11 03:16:31,649 INFO L147 QuantifierPusher]: treesize reduction 4, result has 92.0 percent of original size 46 [2021-03-11 03:16:31,682 INFO L142 QuantifierPusher]: treesize reduction 28, result has 67.8 percent of original size [2021-03-11 03:16:31,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-11 03:16:31,730 INFO L142 QuantifierPusher]: treesize reduction 16, result has 77.1 percent of original size [2021-03-11 03:16:31,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-11 03:16:31,770 INFO L142 QuantifierPusher]: treesize reduction 19, result has 72.5 percent of original size [2021-03-11 03:16:31,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-11 03:16:31,808 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 03:16:31,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 03:16:31,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:16:31,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 03:16:31,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:16:31,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 03:16:31,864 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 03:16:31,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 03:16:31,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:16:31,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 03:16:31,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 03:16:31,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739783080] [2021-03-11 03:16:31,896 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 03:16:31,896 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-03-11 03:16:31,896 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455952909] [2021-03-11 03:16:31,896 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-03-11 03:16:31,896 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 03:16:31,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-03-11 03:16:31,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=632, Unknown=0, NotChecked=0, Total=702 [2021-03-11 03:16:31,897 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 139 [2021-03-11 03:16:31,898 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1071 places, 1673 transitions, 35535 flow. Second operand has 27 states, 27 states have (on average 58.03703703703704) internal successors, (1567), 27 states have internal predecessors, (1567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:16:31,898 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 03:16:31,898 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 139 [2021-03-11 03:16:31,898 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 03:16:33,351 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 61 [2021-03-11 03:16:33,627 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 65 [2021-03-11 03:16:33,892 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 69 [2021-03-11 03:16:34,037 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 67 [2021-03-11 03:16:34,324 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 71 [2021-03-11 03:16:34,474 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 70 [2021-03-11 03:16:34,796 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 74 [2021-03-11 03:16:34,938 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 64 [2021-03-11 03:16:35,578 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2021-03-11 03:16:35,753 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 69 [2021-03-11 03:16:36,115 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 76 [2021-03-11 03:16:36,605 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 79 [2021-03-11 03:16:36,788 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 78 [2021-03-11 03:16:37,434 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 80 [2021-03-11 03:16:37,925 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 83 [2021-03-11 03:16:39,463 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 82 [2021-03-11 03:16:40,016 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 84 [2021-03-11 03:16:40,699 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 87 [2021-03-11 03:16:59,962 INFO L129 PetriNetUnfolder]: 13130/30734 cut-off events. [2021-03-11 03:16:59,962 INFO L130 PetriNetUnfolder]: For 1820791/1820860 co-relation queries the response was YES. [2021-03-11 03:17:01,627 INFO L84 FinitePrefix]: Finished finitePrefix Result has 258489 conditions, 30734 events. 13130/30734 cut-off events. For 1820791/1820860 co-relation queries the response was YES. Maximal size of possible extension queue 581. Compared 297563 event pairs, 3719 based on Foata normal form. 38/29502 useless extension candidates. Maximal degree in co-relation 258042. Up to 12526 conditions per place. [2021-03-11 03:17:01,739 INFO L132 encePairwiseOnDemand]: 106/139 looper letters, 1625 selfloop transitions, 693 changer transitions 11/2381 dead transitions. [2021-03-11 03:17:01,739 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1115 places, 2381 transitions, 56419 flow [2021-03-11 03:17:01,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-03-11 03:17:01,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2021-03-11 03:17:01,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 2979 transitions. [2021-03-11 03:17:01,741 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4762589928057554 [2021-03-11 03:17:01,741 INFO L72 ComplementDD]: Start complementDD. Operand 45 states and 2979 transitions. [2021-03-11 03:17:01,741 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 2979 transitions. [2021-03-11 03:17:01,742 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 03:17:01,742 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 45 states and 2979 transitions. [2021-03-11 03:17:01,744 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 46 states, 45 states have (on average 66.2) internal successors, (2979), 45 states have internal predecessors, (2979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:17:01,747 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 46 states, 46 states have (on average 139.0) internal successors, (6394), 46 states have internal predecessors, (6394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:17:01,748 INFO L81 ComplementDD]: Finished complementDD. Result has 46 states, 46 states have (on average 139.0) internal successors, (6394), 46 states have internal predecessors, (6394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:17:01,748 INFO L185 Difference]: Start difference. First operand has 1071 places, 1673 transitions, 35535 flow. Second operand 45 states and 2979 transitions. [2021-03-11 03:17:01,748 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1115 places, 2381 transitions, 56419 flow [2021-03-11 03:17:18,458 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1106 places, 2381 transitions, 54040 flow, removed 1097 selfloop flow, removed 9 redundant places. [2021-03-11 03:17:18,494 INFO L241 Difference]: Finished difference. Result has 1136 places, 1952 transitions, 45874 flow [2021-03-11 03:17:18,496 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=34174, PETRI_DIFFERENCE_MINUEND_PLACES=1062, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1673, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=440, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=45, PETRI_FLOW=45874, PETRI_PLACES=1136, PETRI_TRANSITIONS=1952} [2021-03-11 03:17:18,496 INFO L335 CegarLoopForPetriNet]: 124 programPoint places, 1012 predicate places. [2021-03-11 03:17:18,496 INFO L480 AbstractCegarLoop]: Abstraction has has 1136 places, 1952 transitions, 45874 flow [2021-03-11 03:17:18,497 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 58.03703703703704) internal successors, (1567), 27 states have internal predecessors, (1567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:17:18,497 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 03:17:18,497 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 03:17:18,497 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-11 03:17:18,497 INFO L428 AbstractCegarLoop]: === Iteration 19 === [reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 03:17:18,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 03:17:18,497 INFO L82 PathProgramCache]: Analyzing trace with hash 735298572, now seen corresponding path program 16 times [2021-03-11 03:17:18,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 03:17:18,497 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695018219] [2021-03-11 03:17:18,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 03:17:18,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 03:17:18,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:17:18,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 03:17:18,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:17:18,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 03:17:18,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:17:18,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 03:17:18,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:17:18,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 03:17:18,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:17:18,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 03:17:18,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:17:18,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 03:17:18,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:17:18,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-11 03:17:18,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:17:18,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 03:17:18,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:17:18,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:17:18,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:17:18,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:17:18,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:17:18,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:17:18,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:17:18,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:17:18,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:17:18,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:17:18,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:17:18,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:17:18,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:17:18,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:17:18,719 INFO L142 QuantifierPusher]: treesize reduction 15, result has 68.1 percent of original size [2021-03-11 03:17:18,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 03:17:18,738 INFO L142 QuantifierPusher]: treesize reduction 15, result has 68.1 percent of original size [2021-03-11 03:17:18,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 03:17:18,758 INFO L142 QuantifierPusher]: treesize reduction 30, result has 51.6 percent of original size [2021-03-11 03:17:18,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 03:17:18,785 INFO L142 QuantifierPusher]: treesize reduction 37, result has 54.3 percent of original size [2021-03-11 03:17:18,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-11 03:17:18,817 INFO L142 QuantifierPusher]: treesize reduction 37, result has 51.9 percent of original size [2021-03-11 03:17:18,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-11 03:17:18,849 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 03:17:18,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 03:17:18,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:17:18,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 03:17:18,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:17:18,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 03:17:18,903 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 03:17:18,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 03:17:18,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:17:18,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 03:17:18,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 03:17:18,933 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695018219] [2021-03-11 03:17:18,933 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 03:17:18,933 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-03-11 03:17:18,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600318221] [2021-03-11 03:17:18,933 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-03-11 03:17:18,933 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 03:17:18,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-03-11 03:17:18,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=541, Unknown=0, NotChecked=0, Total=600 [2021-03-11 03:17:18,935 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 139 [2021-03-11 03:17:18,936 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1136 places, 1952 transitions, 45874 flow. Second operand has 25 states, 25 states have (on average 63.08) internal successors, (1577), 25 states have internal predecessors, (1577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:17:18,936 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 03:17:18,936 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 139 [2021-03-11 03:17:18,936 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 03:17:20,119 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 61 [2021-03-11 03:17:20,339 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 65 [2021-03-11 03:17:22,178 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 67 [2021-03-11 03:17:23,700 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 71 [2021-03-11 03:17:24,198 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 76 [2021-03-11 03:17:24,717 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 78 [2021-03-11 03:17:25,429 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 73 [2021-03-11 03:17:25,631 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 77 [2021-03-11 03:17:26,123 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 75 [2021-03-11 03:17:26,319 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 74 [2021-03-11 03:17:27,081 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 78 [2021-03-11 03:17:27,686 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 68 [2021-03-11 03:17:27,895 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 78 [2021-03-11 03:17:29,298 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 73 [2021-03-11 03:17:49,837 INFO L129 PetriNetUnfolder]: 11760/30974 cut-off events. [2021-03-11 03:17:49,838 INFO L130 PetriNetUnfolder]: For 2129846/2130207 co-relation queries the response was YES. [2021-03-11 03:17:51,531 INFO L84 FinitePrefix]: Finished finitePrefix Result has 274979 conditions, 30974 events. 11760/30974 cut-off events. For 2129846/2130207 co-relation queries the response was YES. Maximal size of possible extension queue 653. Compared 326728 event pairs, 3075 based on Foata normal form. 113/29826 useless extension candidates. Maximal degree in co-relation 274502. Up to 12381 conditions per place. [2021-03-11 03:17:51,651 INFO L132 encePairwiseOnDemand]: 109/139 looper letters, 2011 selfloop transitions, 745 changer transitions 4/2925 dead transitions. [2021-03-11 03:17:51,651 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1168 places, 2925 transitions, 77783 flow [2021-03-11 03:17:51,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-03-11 03:17:51,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2021-03-11 03:17:51,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 2341 transitions. [2021-03-11 03:17:51,653 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5103553520819708 [2021-03-11 03:17:51,653 INFO L72 ComplementDD]: Start complementDD. Operand 33 states and 2341 transitions. [2021-03-11 03:17:51,653 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 2341 transitions. [2021-03-11 03:17:51,653 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 03:17:51,653 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 33 states and 2341 transitions. [2021-03-11 03:17:51,655 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 34 states, 33 states have (on average 70.93939393939394) internal successors, (2341), 33 states have internal predecessors, (2341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:17:51,657 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 34 states, 34 states have (on average 139.0) internal successors, (4726), 34 states have internal predecessors, (4726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:17:51,658 INFO L81 ComplementDD]: Finished complementDD. Result has 34 states, 34 states have (on average 139.0) internal successors, (4726), 34 states have internal predecessors, (4726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:17:51,658 INFO L185 Difference]: Start difference. First operand has 1136 places, 1952 transitions, 45874 flow. Second operand 33 states and 2341 transitions. [2021-03-11 03:17:51,658 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1168 places, 2925 transitions, 77783 flow [2021-03-11 03:18:11,938 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1158 places, 2925 transitions, 75714 flow, removed 925 selfloop flow, removed 10 redundant places. [2021-03-11 03:18:11,988 INFO L241 Difference]: Finished difference. Result has 1176 places, 2335 transitions, 60735 flow [2021-03-11 03:18:11,990 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=43903, PETRI_DIFFERENCE_MINUEND_PLACES=1126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1952, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=389, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=33, PETRI_FLOW=60735, PETRI_PLACES=1176, PETRI_TRANSITIONS=2335} [2021-03-11 03:18:11,990 INFO L335 CegarLoopForPetriNet]: 124 programPoint places, 1052 predicate places. [2021-03-11 03:18:11,990 INFO L480 AbstractCegarLoop]: Abstraction has has 1176 places, 2335 transitions, 60735 flow [2021-03-11 03:18:11,990 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 63.08) internal successors, (1577), 25 states have internal predecessors, (1577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:18:11,991 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 03:18:11,991 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 03:18:11,991 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-11 03:18:11,991 INFO L428 AbstractCegarLoop]: === Iteration 20 === [reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 03:18:11,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 03:18:11,991 INFO L82 PathProgramCache]: Analyzing trace with hash 1697460522, now seen corresponding path program 17 times [2021-03-11 03:18:11,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 03:18:11,992 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217572460] [2021-03-11 03:18:11,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 03:18:12,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 03:18:12,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:18:12,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 03:18:12,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:18:12,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 03:18:12,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:18:12,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 03:18:12,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:18:12,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 03:18:12,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:18:12,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 03:18:12,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:18:12,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 03:18:12,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:18:12,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-11 03:18:12,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:18:12,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 03:18:12,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:18:12,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:18:12,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:18:12,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:18:12,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:18:12,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:18:12,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:18:12,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:18:12,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:18:12,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:18:12,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:18:12,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:18:12,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:18:12,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:18:12,282 INFO L142 QuantifierPusher]: treesize reduction 16, result has 65.2 percent of original size [2021-03-11 03:18:12,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 03:18:12,309 INFO L142 QuantifierPusher]: treesize reduction 16, result has 65.2 percent of original size [2021-03-11 03:18:12,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 03:18:12,329 INFO L142 QuantifierPusher]: treesize reduction 16, result has 61.9 percent of original size [2021-03-11 03:18:12,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 03:18:12,351 INFO L142 QuantifierPusher]: treesize reduction 22, result has 69.4 percent of original size [2021-03-11 03:18:12,351 INFO L147 QuantifierPusher]: treesize reduction 4, result has 92.0 percent of original size 46 [2021-03-11 03:18:12,395 INFO L142 QuantifierPusher]: treesize reduction 28, result has 67.8 percent of original size [2021-03-11 03:18:12,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-11 03:18:12,438 INFO L142 QuantifierPusher]: treesize reduction 16, result has 77.1 percent of original size [2021-03-11 03:18:12,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-11 03:18:12,478 INFO L142 QuantifierPusher]: treesize reduction 19, result has 72.5 percent of original size [2021-03-11 03:18:12,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-11 03:18:12,516 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 03:18:12,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 03:18:12,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:18:12,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 03:18:12,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:18:12,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 03:18:12,574 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 03:18:12,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 03:18:12,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:18:12,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 03:18:12,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 03:18:12,606 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217572460] [2021-03-11 03:18:12,606 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 03:18:12,606 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-03-11 03:18:12,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264514301] [2021-03-11 03:18:12,607 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-03-11 03:18:12,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 03:18:12,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-03-11 03:18:12,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=633, Unknown=0, NotChecked=0, Total=702 [2021-03-11 03:18:12,608 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 139 [2021-03-11 03:18:12,609 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1176 places, 2335 transitions, 60735 flow. Second operand has 27 states, 27 states have (on average 58.03703703703704) internal successors, (1567), 27 states have internal predecessors, (1567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:18:12,609 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 03:18:12,609 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 139 [2021-03-11 03:18:12,609 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 03:18:14,408 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 65 [2021-03-11 03:18:14,546 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 65 [2021-03-11 03:18:14,897 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 67 [2021-03-11 03:18:15,038 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 69 [2021-03-11 03:18:15,352 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 70 [2021-03-11 03:18:15,499 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 71 [2021-03-11 03:18:15,866 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 64 [2021-03-11 03:18:16,026 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 74 [2021-03-11 03:18:16,461 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 68 [2021-03-11 03:18:16,972 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2021-03-11 03:18:17,164 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 69 [2021-03-11 03:18:17,619 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 76 [2021-03-11 03:18:17,855 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 73 [2021-03-11 03:18:18,453 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 79 [2021-03-11 03:18:18,667 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 78 [2021-03-11 03:18:19,395 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 80 [2021-03-11 03:18:20,031 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 83 [2021-03-11 03:18:22,052 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 82 [2021-03-11 03:18:23,013 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 84 [2021-03-11 03:18:23,859 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 87 [2021-03-11 03:18:54,062 INFO L129 PetriNetUnfolder]: 16677/38529 cut-off events. [2021-03-11 03:18:54,063 INFO L130 PetriNetUnfolder]: For 2678241/2678310 co-relation queries the response was YES. [2021-03-11 03:18:56,309 INFO L84 FinitePrefix]: Finished finitePrefix Result has 359094 conditions, 38529 events. 16677/38529 cut-off events. For 2678241/2678310 co-relation queries the response was YES. Maximal size of possible extension queue 707. Compared 379898 event pairs, 4084 based on Foata normal form. 38/37006 useless extension candidates. Maximal degree in co-relation 358599. Up to 13773 conditions per place. [2021-03-11 03:18:56,656 INFO L132 encePairwiseOnDemand]: 106/139 looper letters, 1825 selfloop transitions, 1136 changer transitions 11/3024 dead transitions. [2021-03-11 03:18:56,657 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1223 places, 3024 transitions, 83677 flow [2021-03-11 03:18:56,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-03-11 03:18:56,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2021-03-11 03:18:56,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 3215 transitions. [2021-03-11 03:18:56,659 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4818645083932854 [2021-03-11 03:18:56,659 INFO L72 ComplementDD]: Start complementDD. Operand 48 states and 3215 transitions. [2021-03-11 03:18:56,659 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48 states and 3215 transitions. [2021-03-11 03:18:56,660 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 03:18:56,660 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 48 states and 3215 transitions. [2021-03-11 03:18:56,662 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 49 states, 48 states have (on average 66.97916666666667) internal successors, (3215), 48 states have internal predecessors, (3215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:18:56,665 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 49 states, 49 states have (on average 139.0) internal successors, (6811), 49 states have internal predecessors, (6811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:18:56,666 INFO L81 ComplementDD]: Finished complementDD. Result has 49 states, 49 states have (on average 139.0) internal successors, (6811), 49 states have internal predecessors, (6811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:18:56,666 INFO L185 Difference]: Start difference. First operand has 1176 places, 2335 transitions, 60735 flow. Second operand 48 states and 3215 transitions. [2021-03-11 03:18:56,666 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1223 places, 3024 transitions, 83677 flow [2021-03-11 03:19:28,611 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1211 places, 3024 transitions, 80766 flow, removed 1302 selfloop flow, removed 12 redundant places. [2021-03-11 03:19:28,664 INFO L241 Difference]: Finished difference. Result has 1233 places, 2498 transitions, 68839 flow [2021-03-11 03:19:28,665 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=58512, PETRI_DIFFERENCE_MINUEND_PLACES=1164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2335, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=978, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1334, PETRI_DIFFERENCE_SUBTRAHEND_STATES=48, PETRI_FLOW=68839, PETRI_PLACES=1233, PETRI_TRANSITIONS=2498} [2021-03-11 03:19:28,665 INFO L335 CegarLoopForPetriNet]: 124 programPoint places, 1109 predicate places. [2021-03-11 03:19:28,665 INFO L480 AbstractCegarLoop]: Abstraction has has 1233 places, 2498 transitions, 68839 flow [2021-03-11 03:19:28,666 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 58.03703703703704) internal successors, (1567), 27 states have internal predecessors, (1567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:19:28,666 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 03:19:28,666 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 03:19:28,666 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-03-11 03:19:28,666 INFO L428 AbstractCegarLoop]: === Iteration 21 === [reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 03:19:28,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 03:19:28,666 INFO L82 PathProgramCache]: Analyzing trace with hash -431610926, now seen corresponding path program 18 times [2021-03-11 03:19:28,666 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 03:19:28,666 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836049938] [2021-03-11 03:19:28,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 03:19:28,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 03:19:28,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:19:28,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 03:19:28,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:19:28,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 03:19:28,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:19:28,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 03:19:28,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:19:28,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 03:19:28,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:19:28,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 03:19:28,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:19:28,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 03:19:28,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:19:28,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-11 03:19:28,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:19:28,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 03:19:28,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:19:28,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:19:28,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:19:28,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:19:28,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:19:28,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:19:28,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:19:28,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:19:28,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:19:28,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:19:28,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:19:28,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:19:28,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:19:28,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:19:28,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:19:28,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:19:28,981 INFO L142 QuantifierPusher]: treesize reduction 18, result has 60.9 percent of original size [2021-03-11 03:19:28,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:19:29,007 INFO L142 QuantifierPusher]: treesize reduction 18, result has 57.1 percent of original size [2021-03-11 03:19:29,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 03:19:29,034 INFO L142 QuantifierPusher]: treesize reduction 22, result has 67.2 percent of original size [2021-03-11 03:19:29,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-11 03:19:29,078 INFO L142 QuantifierPusher]: treesize reduction 22, result has 68.6 percent of original size [2021-03-11 03:19:29,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-11 03:19:29,119 INFO L142 QuantifierPusher]: treesize reduction 22, result has 67.2 percent of original size [2021-03-11 03:19:29,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-11 03:19:29,155 INFO L142 QuantifierPusher]: treesize reduction 42, result has 53.8 percent of original size [2021-03-11 03:19:29,156 INFO L147 QuantifierPusher]: treesize reduction 7, result has 85.7 percent of original size 42 [2021-03-11 03:19:29,196 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 03:19:29,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 03:19:29,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:19:29,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 03:19:29,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:19:29,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 03:19:29,254 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 03:19:29,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 03:19:29,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:19:29,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 03:19:29,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 03:19:29,286 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836049938] [2021-03-11 03:19:29,286 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 03:19:29,286 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-03-11 03:19:29,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921939690] [2021-03-11 03:19:29,286 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-03-11 03:19:29,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 03:19:29,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-03-11 03:19:29,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=634, Unknown=0, NotChecked=0, Total=702 [2021-03-11 03:19:29,288 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 139 [2021-03-11 03:19:29,288 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1233 places, 2498 transitions, 68839 flow. Second operand has 27 states, 27 states have (on average 59.0) internal successors, (1593), 27 states have internal predecessors, (1593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:19:29,288 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 03:19:29,288 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 139 [2021-03-11 03:19:29,288 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 03:19:31,650 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 65 [2021-03-11 03:19:32,033 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 67 [2021-03-11 03:19:32,457 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 69 [2021-03-11 03:19:32,900 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 72 [2021-03-11 03:19:33,205 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 72 [2021-03-11 03:19:33,705 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2021-03-11 03:19:33,865 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 68 [2021-03-11 03:19:34,432 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 76 [2021-03-11 03:19:34,641 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 77 [2021-03-11 03:19:35,364 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 78 [2021-03-11 03:19:35,570 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 73 [2021-03-11 03:19:36,199 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 81 [2021-03-11 03:19:38,372 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 78 [2021-03-11 03:19:39,390 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 80 [2021-03-11 03:19:40,278 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 83 [2021-03-11 03:20:18,921 INFO L129 PetriNetUnfolder]: 17502/41038 cut-off events. [2021-03-11 03:20:18,932 INFO L130 PetriNetUnfolder]: For 3135783/3135838 co-relation queries the response was YES. [2021-03-11 03:20:22,424 INFO L84 FinitePrefix]: Finished finitePrefix Result has 394485 conditions, 41038 events. 17502/41038 cut-off events. For 3135783/3135838 co-relation queries the response was YES. Maximal size of possible extension queue 779. Compared 417587 event pairs, 6338 based on Foata normal form. 28/39286 useless extension candidates. Maximal degree in co-relation 393968. Up to 19261 conditions per place. [2021-03-11 03:20:22,821 INFO L132 encePairwiseOnDemand]: 106/139 looper letters, 2291 selfloop transitions, 709 changer transitions 7/3060 dead transitions. [2021-03-11 03:20:22,821 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1275 places, 3060 transitions, 87608 flow [2021-03-11 03:20:22,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-03-11 03:20:22,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2021-03-11 03:20:22,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 2929 transitions. [2021-03-11 03:20:22,825 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.49004517316379453 [2021-03-11 03:20:22,825 INFO L72 ComplementDD]: Start complementDD. Operand 43 states and 2929 transitions. [2021-03-11 03:20:22,825 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 2929 transitions. [2021-03-11 03:20:22,826 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 03:20:22,826 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 43 states and 2929 transitions. [2021-03-11 03:20:22,828 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 44 states, 43 states have (on average 68.11627906976744) internal successors, (2929), 43 states have internal predecessors, (2929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:20:22,832 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 44 states, 44 states have (on average 139.0) internal successors, (6116), 44 states have internal predecessors, (6116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:20:22,832 INFO L81 ComplementDD]: Finished complementDD. Result has 44 states, 44 states have (on average 139.0) internal successors, (6116), 44 states have internal predecessors, (6116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:20:22,832 INFO L185 Difference]: Start difference. First operand has 1233 places, 2498 transitions, 68839 flow. Second operand 43 states and 2929 transitions. [2021-03-11 03:20:22,832 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1275 places, 3060 transitions, 87608 flow [2021-03-11 03:20:57,897 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1261 places, 3060 transitions, 84819 flow, removed 1046 selfloop flow, removed 14 redundant places. [2021-03-11 03:20:57,955 INFO L241 Difference]: Finished difference. Result has 1294 places, 2703 transitions, 74679 flow [2021-03-11 03:20:57,957 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=66098, PETRI_DIFFERENCE_MINUEND_PLACES=1219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2498, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=510, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1876, PETRI_DIFFERENCE_SUBTRAHEND_STATES=43, PETRI_FLOW=74679, PETRI_PLACES=1294, PETRI_TRANSITIONS=2703} [2021-03-11 03:20:57,957 INFO L335 CegarLoopForPetriNet]: 124 programPoint places, 1170 predicate places. [2021-03-11 03:20:57,957 INFO L480 AbstractCegarLoop]: Abstraction has has 1294 places, 2703 transitions, 74679 flow [2021-03-11 03:20:57,957 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 59.0) internal successors, (1593), 27 states have internal predecessors, (1593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:20:57,957 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 03:20:57,958 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 03:20:57,958 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-03-11 03:20:57,958 INFO L428 AbstractCegarLoop]: === Iteration 22 === [reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 03:20:57,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 03:20:57,958 INFO L82 PathProgramCache]: Analyzing trace with hash 610686212, now seen corresponding path program 19 times [2021-03-11 03:20:57,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 03:20:57,958 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374159944] [2021-03-11 03:20:57,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 03:20:57,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 03:20:58,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:20:58,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 03:20:58,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:20:58,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 03:20:58,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:20:58,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 03:20:58,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:20:58,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 03:20:58,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:20:58,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 03:20:58,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:20:58,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 03:20:58,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:20:58,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-11 03:20:58,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:20:58,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 03:20:58,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:20:58,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:20:58,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:20:58,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:20:58,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:20:58,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:20:58,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:20:58,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:20:58,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:20:58,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:20:58,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:20:58,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:20:58,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:20:58,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:20:58,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:20:58,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:20:58,248 INFO L142 QuantifierPusher]: treesize reduction 15, result has 68.1 percent of original size [2021-03-11 03:20:58,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 03:20:58,268 INFO L142 QuantifierPusher]: treesize reduction 22, result has 66.7 percent of original size [2021-03-11 03:20:58,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-11 03:20:58,311 INFO L142 QuantifierPusher]: treesize reduction 22, result has 64.5 percent of original size [2021-03-11 03:20:58,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-11 03:20:58,350 INFO L142 QuantifierPusher]: treesize reduction 37, result has 51.9 percent of original size [2021-03-11 03:20:58,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-11 03:20:58,393 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 03:20:58,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 03:20:58,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:20:58,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 03:20:58,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:20:58,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 03:20:58,464 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 03:20:58,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 03:20:58,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:20:58,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 03:20:58,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 03:20:58,495 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374159944] [2021-03-11 03:20:58,495 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 03:20:58,495 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-03-11 03:20:58,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057448025] [2021-03-11 03:20:58,496 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-03-11 03:20:58,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 03:20:58,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-03-11 03:20:58,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=540, Unknown=0, NotChecked=0, Total=600 [2021-03-11 03:20:58,497 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 139 [2021-03-11 03:20:58,498 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1294 places, 2703 transitions, 74679 flow. Second operand has 25 states, 25 states have (on average 63.08) internal successors, (1577), 25 states have internal predecessors, (1577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:20:58,498 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 03:20:58,498 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 139 [2021-03-11 03:20:58,498 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 03:20:59,651 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 61 [2021-03-11 03:21:00,442 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 65 [2021-03-11 03:21:01,315 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 69 [2021-03-11 03:21:01,928 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 74 [2021-03-11 03:21:02,447 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 76 [2021-03-11 03:21:03,052 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 77 [2021-03-11 03:21:03,847 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 72 [2021-03-11 03:21:04,818 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 76 [2021-03-11 03:21:05,010 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 78 [2021-03-11 03:21:05,211 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 78 [2021-03-11 03:21:06,089 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 79 [2021-03-11 03:21:49,724 INFO L129 PetriNetUnfolder]: 17466/45414 cut-off events. [2021-03-11 03:21:49,724 INFO L130 PetriNetUnfolder]: For 3948982/3949896 co-relation queries the response was YES. [2021-03-11 03:21:55,407 INFO L84 FinitePrefix]: Finished finitePrefix Result has 453567 conditions, 45414 events. 17466/45414 cut-off events. For 3948982/3949896 co-relation queries the response was YES. Maximal size of possible extension queue 860. Compared 498138 event pairs, 4788 based on Foata normal form. 325/43953 useless extension candidates. Maximal degree in co-relation 453017. Up to 17472 conditions per place. [2021-03-11 03:21:55,716 INFO L132 encePairwiseOnDemand]: 110/139 looper letters, 2357 selfloop transitions, 1362 changer transitions 4/3912 dead transitions. [2021-03-11 03:21:55,716 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1323 places, 3912 transitions, 122761 flow [2021-03-11 03:21:55,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-11 03:21:55,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-03-11 03:21:55,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 2156 transitions. [2021-03-11 03:21:55,719 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5170263788968825 [2021-03-11 03:21:55,719 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 2156 transitions. [2021-03-11 03:21:55,719 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 2156 transitions. [2021-03-11 03:21:55,720 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 03:21:55,720 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 2156 transitions. [2021-03-11 03:21:55,722 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 71.86666666666666) internal successors, (2156), 30 states have internal predecessors, (2156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:21:55,724 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 139.0) internal successors, (4309), 31 states have internal predecessors, (4309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:21:55,725 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 139.0) internal successors, (4309), 31 states have internal predecessors, (4309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:21:55,725 INFO L185 Difference]: Start difference. First operand has 1294 places, 2703 transitions, 74679 flow. Second operand 30 states and 2156 transitions. [2021-03-11 03:21:55,725 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1323 places, 3912 transitions, 122761 flow [2021-03-11 03:22:51,120 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1315 places, 3912 transitions, 119759 flow, removed 1184 selfloop flow, removed 8 redundant places. [2021-03-11 03:22:51,224 INFO L241 Difference]: Finished difference. Result has 1331 places, 3461 transitions, 108263 flow [2021-03-11 03:22:51,227 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=71905, PETRI_DIFFERENCE_MINUEND_PLACES=1286, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2703, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=635, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1587, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=108263, PETRI_PLACES=1331, PETRI_TRANSITIONS=3461} [2021-03-11 03:22:51,227 INFO L335 CegarLoopForPetriNet]: 124 programPoint places, 1207 predicate places. [2021-03-11 03:22:51,228 INFO L480 AbstractCegarLoop]: Abstraction has has 1331 places, 3461 transitions, 108263 flow [2021-03-11 03:22:51,228 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 63.08) internal successors, (1577), 25 states have internal predecessors, (1577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:22:51,228 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 03:22:51,228 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 03:22:51,228 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-03-11 03:22:51,228 INFO L428 AbstractCegarLoop]: === Iteration 23 === [reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 03:22:51,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 03:22:51,229 INFO L82 PathProgramCache]: Analyzing trace with hash -225364348, now seen corresponding path program 20 times [2021-03-11 03:22:51,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 03:22:51,229 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218330502] [2021-03-11 03:22:51,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 03:22:51,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 03:22:51,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:22:51,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 03:22:51,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:22:51,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 03:22:51,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:22:51,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 03:22:51,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:22:51,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 03:22:51,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:22:51,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 03:22:51,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:22:51,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 03:22:51,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:22:51,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-11 03:22:51,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:22:51,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 03:22:51,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:22:51,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:22:51,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:22:51,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:22:51,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:22:51,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:22:51,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:22:51,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:22:51,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:22:51,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:22:51,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:22:51,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:22:51,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:22:51,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:22:51,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:22:51,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:22:51,528 INFO L142 QuantifierPusher]: treesize reduction 15, result has 68.1 percent of original size [2021-03-11 03:22:51,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 03:22:51,555 INFO L142 QuantifierPusher]: treesize reduction 30, result has 51.6 percent of original size [2021-03-11 03:22:51,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 03:22:51,590 INFO L142 QuantifierPusher]: treesize reduction 37, result has 54.3 percent of original size [2021-03-11 03:22:51,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-11 03:22:51,630 INFO L142 QuantifierPusher]: treesize reduction 37, result has 51.9 percent of original size [2021-03-11 03:22:51,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-11 03:22:51,663 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-11 03:22:51,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 03:22:51,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:22:51,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 03:22:51,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:22:51,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 03:22:51,718 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 03:22:51,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 03:22:51,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:22:51,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 03:22:51,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 03:22:51,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218330502] [2021-03-11 03:22:51,748 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 03:22:51,748 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-03-11 03:22:51,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715940044] [2021-03-11 03:22:51,749 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-03-11 03:22:51,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 03:22:51,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-03-11 03:22:51,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=541, Unknown=0, NotChecked=0, Total=600 [2021-03-11 03:22:51,751 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 139 [2021-03-11 03:22:51,752 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1331 places, 3461 transitions, 108263 flow. Second operand has 25 states, 25 states have (on average 63.08) internal successors, (1577), 25 states have internal predecessors, (1577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:22:51,752 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 03:22:51,752 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 139 [2021-03-11 03:22:51,752 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 03:22:52,617 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 53 [2021-03-11 03:22:53,244 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 61 [2021-03-11 03:22:53,956 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 65 [2021-03-11 03:22:57,075 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 67 [2021-03-11 03:22:59,186 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 71 [2021-03-11 03:22:59,980 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 76 [2021-03-11 03:23:01,060 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 78 [2021-03-11 03:23:01,890 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 73 [2021-03-11 03:23:02,096 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 79 [2021-03-11 03:23:03,012 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 75 [2021-03-11 03:23:03,464 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 74 [2021-03-11 03:23:04,446 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 78 [2021-03-11 03:23:05,804 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 68 [2021-03-11 03:23:06,065 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 80 [2021-03-11 03:23:08,736 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 73