/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-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-divine/ring_1w1r-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-10 22:16:40,903 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-10 22:16:40,905 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-10 22:16:40,934 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-10 22:16:40,934 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-10 22:16:40,937 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-10 22:16:40,939 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-10 22:16:40,947 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-10 22:16:40,948 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-10 22:16:40,951 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-10 22:16:40,952 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-10 22:16:40,953 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-10 22:16:40,953 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-10 22:16:40,955 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-10 22:16:40,956 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-10 22:16:40,956 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-10 22:16:40,958 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-10 22:16:40,959 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-10 22:16:40,960 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-10 22:16:40,964 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-10 22:16:40,965 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-10 22:16:40,966 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-10 22:16:40,967 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-10 22:16:40,968 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-10 22:16:40,972 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-10 22:16:40,978 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-10 22:16:40,978 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-10 22:16:40,979 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-10 22:16:40,982 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-SemanticLbe.epf [2021-06-10 22:16:41,009 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-10 22:16:41,009 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-10 22:16:41,011 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-10 22:16:41,011 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-10 22:16:41,011 INFO L138 SettingsManager]: * Use SBE=true [2021-06-10 22:16:41,012 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-10 22:16:41,012 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-10 22:16:41,012 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-10 22:16:41,012 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-10 22:16:41,012 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-10 22:16:41,013 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-10 22:16:41,013 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-10 22:16:41,013 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-10 22:16:41,013 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-10 22:16:41,013 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-10 22:16:41,013 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-10 22:16:41,013 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-10 22:16:41,014 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-10 22:16:41,014 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-10 22:16:41,014 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-10 22:16:41,014 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-10 22:16:41,014 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-10 22:16:41,014 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-10 22:16:41,014 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-10 22:16:41,014 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-10 22:16:41,015 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-10 22:16:41,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-10 22:16:41,015 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-10 22:16:41,015 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-10 22:16:41,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-10 22:16:41,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-10 22:16:41,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-10 22:16:41,251 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-10 22:16:41,251 INFO L275 PluginConnector]: CDTParser initialized [2021-06-10 22:16:41,251 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-divine/ring_1w1r-2.i [2021-06-10 22:16:41,298 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a85a1938a/b1438423e1d64cb3b84d99e1bc58d5f0/FLAGc58e8c7e3 [2021-06-10 22:16:41,718 INFO L306 CDTParser]: Found 1 translation units. [2021-06-10 22:16:41,718 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_1w1r-2.i [2021-06-10 22:16:41,730 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a85a1938a/b1438423e1d64cb3b84d99e1bc58d5f0/FLAGc58e8c7e3 [2021-06-10 22:16:41,739 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a85a1938a/b1438423e1d64cb3b84d99e1bc58d5f0 [2021-06-10 22:16:41,741 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-10 22:16:41,742 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-10 22:16:41,749 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-10 22:16:41,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-10 22:16:41,753 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-10 22:16:41,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.06 10:16:41" (1/1) ... [2021-06-10 22:16:41,754 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b1d042d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 10:16:41, skipping insertion in model container [2021-06-10 22:16:41,754 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.06 10:16:41" (1/1) ... [2021-06-10 22:16:41,758 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-10 22:16:41,795 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-10 22:16:41,879 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-06-10 22:16:42,009 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] [2021-06-10 22:16:42,011 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] [2021-06-10 22:16:42,012 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] [2021-06-10 22:16:42,015 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-10 22:16:42,019 INFO L203 MainTranslator]: Completed pre-run [2021-06-10 22:16:42,026 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-06-10 22:16:42,039 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] [2021-06-10 22:16:42,040 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] [2021-06-10 22:16:42,040 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] [2021-06-10 22:16:42,042 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-10 22:16:42,097 INFO L208 MainTranslator]: Completed translation [2021-06-10 22:16:42,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 10:16:42 WrapperNode [2021-06-10 22:16:42,097 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-10 22:16:42,098 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-10 22:16:42,098 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-10 22:16:42,098 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-10 22:16:42,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 10:16:42" (1/1) ... [2021-06-10 22:16:42,111 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 10:16:42" (1/1) ... [2021-06-10 22:16:42,126 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-10 22:16:42,127 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-10 22:16:42,127 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-10 22:16:42,127 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-10 22:16:42,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 10:16:42" (1/1) ... [2021-06-10 22:16:42,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 10:16:42" (1/1) ... [2021-06-10 22:16:42,145 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 10:16:42" (1/1) ... [2021-06-10 22:16:42,145 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 10:16:42" (1/1) ... [2021-06-10 22:16:42,150 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 10:16:42" (1/1) ... [2021-06-10 22:16:42,153 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 10:16:42" (1/1) ... [2021-06-10 22:16:42,154 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 10:16:42" (1/1) ... [2021-06-10 22:16:42,156 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-10 22:16:42,156 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-10 22:16:42,156 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-10 22:16:42,156 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-10 22:16:42,157 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 10:16:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-10 22:16:42,203 INFO L130 BoogieDeclarations]: Found specification of procedure reader_fn [2021-06-10 22:16:42,203 INFO L138 BoogieDeclarations]: Found implementation of procedure reader_fn [2021-06-10 22:16:42,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-10 22:16:42,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-10 22:16:42,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-10 22:16:42,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-10 22:16:42,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-10 22:16:42,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-10 22:16:42,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-10 22:16:42,208 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-10 22:16:42,498 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-10 22:16:42,498 INFO L299 CfgBuilder]: Removed 19 assume(true) statements. [2021-06-10 22:16:42,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.06 10:16:42 BoogieIcfgContainer [2021-06-10 22:16:42,499 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-10 22:16:42,500 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-10 22:16:42,500 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-10 22:16:42,502 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-10 22:16:42,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.06 10:16:41" (1/3) ... [2021-06-10 22:16:42,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@532ad63c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.06 10:16:42, skipping insertion in model container [2021-06-10 22:16:42,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 10:16:42" (2/3) ... [2021-06-10 22:16:42,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@532ad63c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.06 10:16:42, skipping insertion in model container [2021-06-10 22:16:42,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.06 10:16:42" (3/3) ... [2021-06-10 22:16:42,504 INFO L111 eAbstractionObserver]: Analyzing ICFG ring_1w1r-2.i [2021-06-10 22:16:42,507 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-10 22:16:42,510 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-06-10 22:16:42,511 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-10 22:16:42,530 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,531 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,531 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,531 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,531 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,531 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,531 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,531 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,531 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,532 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,532 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,532 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,532 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,532 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,532 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,532 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,532 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,532 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,532 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~last~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,533 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~last~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,533 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,533 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,533 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,533 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,533 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,533 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,533 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~last~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,533 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~last~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,534 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~last~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,534 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~last~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,534 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,534 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,534 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,534 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,534 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,534 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,534 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,534 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,535 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,535 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,535 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,535 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,535 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,535 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,535 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,535 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,535 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,535 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,536 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,536 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,536 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,536 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,536 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,536 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,536 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,536 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,536 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,536 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,537 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,537 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,537 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,537 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,537 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,537 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,537 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,537 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,537 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,537 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,537 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,537 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,538 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,538 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,538 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,538 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,538 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,538 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,538 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,538 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,538 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,539 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,539 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,539 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,539 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,539 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,539 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,539 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,539 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,539 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,539 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,539 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,540 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,540 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,540 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,540 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,540 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,540 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,540 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,540 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,540 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,540 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,541 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,541 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,541 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,541 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,541 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,541 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,541 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,541 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,541 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,541 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,541 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,542 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,542 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,542 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,542 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,542 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,542 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,542 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,542 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,542 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,542 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,543 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,543 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,543 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,543 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,543 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,543 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,543 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,543 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,543 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,543 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,543 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,544 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,544 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,544 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,544 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,544 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,544 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,544 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,545 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,545 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,545 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,545 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,545 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,545 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,545 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,545 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,545 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,545 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,546 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,546 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,546 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,546 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,546 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,546 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,546 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,546 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,546 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,546 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,546 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,547 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,547 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,547 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,547 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,547 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,547 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,547 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,547 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,547 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,547 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,547 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,547 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,548 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,548 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,548 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,548 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,548 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,548 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,548 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,548 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,548 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,548 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,548 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,548 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,549 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,549 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,549 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,549 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,549 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,549 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,549 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,549 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,549 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,549 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,549 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,550 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,550 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,550 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,550 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,550 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,550 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,550 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,550 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,550 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,550 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,550 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,551 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,551 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,551 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,551 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,551 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,551 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,551 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,551 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,551 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,551 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,552 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,552 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,552 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,552 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,552 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,552 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,552 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,553 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,553 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,553 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,553 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,553 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,556 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,556 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,556 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,556 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,560 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,560 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,560 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~last~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,564 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,564 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~last~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,565 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,565 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~last~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,565 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,565 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~last~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,565 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,565 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,565 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~last~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,565 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,565 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~last~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,566 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,566 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~pre17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,566 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,566 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~pre17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,566 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,566 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,566 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,566 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,566 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~pre17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,566 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~pre17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,568 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,568 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,568 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,569 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,569 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,569 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,569 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,569 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,569 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,569 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,569 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,569 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,569 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,569 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,570 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,570 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,570 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,570 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,570 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,570 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,570 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,570 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,570 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,570 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~last~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,570 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,571 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,571 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~pre17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,571 WARN L313 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,571 WARN L313 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:16:42,576 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-06-10 22:16:42,588 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-06-10 22:16:42,609 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-10 22:16:42,609 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-10 22:16:42,609 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-10 22:16:42,609 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-10 22:16:42,609 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-10 22:16:42,609 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-10 22:16:42,609 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-10 22:16:42,610 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-10 22:16:42,621 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 133 places, 139 transitions, 286 flow [2021-06-10 22:16:42,675 INFO L129 PetriNetUnfolder]: 10/138 cut-off events. [2021-06-10 22:16:42,676 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-06-10 22:16:42,687 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. [2021-06-10 22:16:42,687 INFO L82 GeneralOperation]: Start removeDead. Operand has 133 places, 139 transitions, 286 flow [2021-06-10 22:16:42,694 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 124 places, 130 transitions, 263 flow [2021-06-10 22:16:42,695 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-10 22:16:42,702 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 124 places, 130 transitions, 263 flow [2021-06-10 22:16:42,705 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 124 places, 130 transitions, 263 flow [2021-06-10 22:16:42,708 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 124 places, 130 transitions, 263 flow [2021-06-10 22:16:42,741 INFO L129 PetriNetUnfolder]: 10/130 cut-off events. [2021-06-10 22:16:42,741 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 22:16:42,743 INFO L84 FinitePrefix]: Finished finitePrefix Result has 134 conditions, 130 events. 10/130 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 215 event pairs, 0 based on Foata normal form. 0/117 useless extension candidates. Maximal degree in co-relation 105. Up to 2 conditions per place. [2021-06-10 22:16:42,746 INFO L151 LiptonReduction]: Number of co-enabled transitions 4968 [2021-06-10 22:16:42,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:42,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:42,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:42,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:42,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:42,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:42,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:42,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:42,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:42,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:42,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:42,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:42,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:42,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:43,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:43,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:43,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:43,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:43,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:43,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:43,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:43,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:43,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:43,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:43,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:43,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:43,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:43,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:43,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:43,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:43,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:43,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:43,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:43,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:16:43,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:43,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 22:16:43,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 22:16:43,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:43,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:43,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:43,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:43,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:43,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:43,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:43,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:43,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:43,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:43,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:43,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:43,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:43,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:43,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:43,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:43,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:43,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:43,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:43,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:16:43,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:43,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 22:16:43,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 22:16:43,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:43,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:43,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:43,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:43,763 INFO L142 QuantifierPusher]: treesize reduction 6, result has 64.7 percent of original size [2021-06-10 22:16:43,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:43,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:43,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:43,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:43,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:43,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:43,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 22:16:43,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:43,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:43,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:43,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:44,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:44,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:16:44,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:44,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 22:16:44,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 22:16:44,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:44,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:44,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:44,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:44,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:44,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:44,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:44,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:44,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:44,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:44,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:44,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:44,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:44,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:44,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:44,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:44,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:44,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:44,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:44,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:44,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:44,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:44,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:44,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:44,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:44,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:44,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:44,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:44,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:44,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:44,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:44,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:44,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:44,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:44,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:44,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:44,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:44,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:44,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:44,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:45,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:45,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:16:45,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:45,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:16:45,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:45,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 22:16:45,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 22:16:45,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:16:45,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:45,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:16:45,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:45,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 22:16:45,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 22:16:45,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:16:45,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:45,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 22:16:45,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 22:16:45,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:45,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:45,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:45,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:16:45,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:45,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 22:16:45,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 22:16:45,192 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.6 percent of original size [2021-06-10 22:16:45,194 INFO L147 QuantifierPusher]: treesize reduction 26, result has 3.7 percent of original size 1 [2021-06-10 22:16:45,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:45,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:45,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:45,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:45,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:45,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:16:45,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:45,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-06-10 22:16:45,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-10 22:16:45,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:45,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-10 22:16:46,103 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 113 [2021-06-10 22:16:46,391 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 113 [2021-06-10 22:16:46,495 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-06-10 22:16:46,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:46,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:16:46,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:46,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:16:46,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:46,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 22:16:46,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 22:16:46,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:16:46,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:46,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:16:46,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:46,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 22:16:46,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 22:16:46,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:16:46,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:46,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 22:16:46,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-06-10 22:16:46,603 INFO L163 LiptonReduction]: Checked pairs total: 6638 [2021-06-10 22:16:46,603 INFO L165 LiptonReduction]: Total number of compositions: 125 [2021-06-10 22:16:46,605 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3911 [2021-06-10 22:16:46,614 INFO L129 PetriNetUnfolder]: 2/11 cut-off events. [2021-06-10 22:16:46,614 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 22:16:46,614 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 22:16:46,614 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-06-10 22:16:46,614 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]=== [2021-06-10 22:16:46,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 22:16:46,617 INFO L82 PathProgramCache]: Analyzing trace with hash 522039316, now seen corresponding path program 1 times [2021-06-10 22:16:46,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 22:16:46,622 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98304329] [2021-06-10 22:16:46,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 22:16:46,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 22:16:46,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:46,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:46,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:46,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:46,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 22:16:46,707 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98304329] [2021-06-10 22:16:46,708 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 22:16:46,708 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-10 22:16:46,708 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94711172] [2021-06-10 22:16:46,713 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-10 22:16:46,713 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 22:16:46,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-10 22:16:46,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-10 22:16:46,723 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 264 [2021-06-10 22:16:46,726 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 29 transitions, 61 flow. Second operand has 2 states, 2 states have (on average 243.5) internal successors, (487), 2 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:46,726 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 22:16:46,726 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 264 [2021-06-10 22:16:46,727 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 22:16:46,732 INFO L129 PetriNetUnfolder]: 4/27 cut-off events. [2021-06-10 22:16:46,732 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 22:16:46,733 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32 conditions, 27 events. 4/27 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 41 event pairs, 0 based on Foata normal form. 2/22 useless extension candidates. Maximal degree in co-relation 29. Up to 2 conditions per place. [2021-06-10 22:16:46,733 INFO L132 encePairwiseOnDemand]: 262/264 looper letters, 0 selfloop transitions, 0 changer transitions 0/27 dead transitions. [2021-06-10 22:16:46,733 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 27 transitions, 57 flow [2021-06-10 22:16:46,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-10 22:16:46,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-06-10 22:16:46,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 488 transitions. [2021-06-10 22:16:46,745 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9242424242424242 [2021-06-10 22:16:46,745 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 488 transitions. [2021-06-10 22:16:46,746 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 488 transitions. [2021-06-10 22:16:46,748 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 22:16:46,749 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 488 transitions. [2021-06-10 22:16:46,752 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 244.0) internal successors, (488), 2 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:46,755 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 264.0) internal successors, (792), 3 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:46,756 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 264.0) internal successors, (792), 3 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:46,757 INFO L185 Difference]: Start difference. First operand has 27 places, 29 transitions, 61 flow. Second operand 2 states and 488 transitions. [2021-06-10 22:16:46,757 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 27 transitions, 57 flow [2021-06-10 22:16:46,758 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 27 transitions, 56 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-10 22:16:46,759 INFO L241 Difference]: Finished difference. Result has 27 places, 27 transitions, 56 flow [2021-06-10 22:16:46,760 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=264, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=56, PETRI_PLACES=27, PETRI_TRANSITIONS=27} [2021-06-10 22:16:46,760 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 0 predicate places. [2021-06-10 22:16:46,761 INFO L480 AbstractCegarLoop]: Abstraction has has 27 places, 27 transitions, 56 flow [2021-06-10 22:16:46,761 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 243.5) internal successors, (487), 2 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:46,761 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 22:16:46,761 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2021-06-10 22:16:46,761 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-10 22:16:46,761 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]=== [2021-06-10 22:16:46,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 22:16:46,761 INFO L82 PathProgramCache]: Analyzing trace with hash -996653087, now seen corresponding path program 1 times [2021-06-10 22:16:46,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 22:16:46,762 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744229701] [2021-06-10 22:16:46,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 22:16:46,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 22:16:46,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:46,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:46,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:46,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:16:46,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:46,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:46,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 22:16:46,801 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744229701] [2021-06-10 22:16:46,801 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 22:16:46,801 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-10 22:16:46,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826727774] [2021-06-10 22:16:46,802 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-10 22:16:46,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 22:16:46,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-10 22:16:46,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-10 22:16:46,809 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 264 [2021-06-10 22:16:46,810 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 27 transitions, 56 flow. Second operand has 3 states, 3 states have (on average 228.0) internal successors, (684), 3 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:46,810 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 22:16:46,810 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 264 [2021-06-10 22:16:46,810 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 22:16:46,822 INFO L129 PetriNetUnfolder]: 5/36 cut-off events. [2021-06-10 22:16:46,822 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 22:16:46,824 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 36 events. 5/36 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 35 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 45. Up to 6 conditions per place. [2021-06-10 22:16:46,824 INFO L132 encePairwiseOnDemand]: 261/264 looper letters, 5 selfloop transitions, 2 changer transitions 0/29 dead transitions. [2021-06-10 22:16:46,824 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 29 transitions, 74 flow [2021-06-10 22:16:46,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-10 22:16:46,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-10 22:16:46,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 689 transitions. [2021-06-10 22:16:46,826 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8699494949494949 [2021-06-10 22:16:46,826 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 689 transitions. [2021-06-10 22:16:46,826 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 689 transitions. [2021-06-10 22:16:46,826 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 22:16:46,826 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 689 transitions. [2021-06-10 22:16:46,827 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 229.66666666666666) internal successors, (689), 3 states have internal predecessors, (689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:46,830 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 264.0) internal successors, (1056), 4 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:46,830 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 264.0) internal successors, (1056), 4 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:46,830 INFO L185 Difference]: Start difference. First operand has 27 places, 27 transitions, 56 flow. Second operand 3 states and 689 transitions. [2021-06-10 22:16:46,830 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 29 transitions, 74 flow [2021-06-10 22:16:46,831 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 29 transitions, 74 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-10 22:16:46,832 INFO L241 Difference]: Finished difference. Result has 30 places, 28 transitions, 68 flow [2021-06-10 22:16:46,832 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=264, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=68, PETRI_PLACES=30, PETRI_TRANSITIONS=28} [2021-06-10 22:16:46,832 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 3 predicate places. [2021-06-10 22:16:46,832 INFO L480 AbstractCegarLoop]: Abstraction has has 30 places, 28 transitions, 68 flow [2021-06-10 22:16:46,832 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 228.0) internal successors, (684), 3 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:46,833 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 22:16:46,833 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 22:16:46,833 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-10 22:16:46,833 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]=== [2021-06-10 22:16:46,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 22:16:46,834 INFO L82 PathProgramCache]: Analyzing trace with hash -1042541260, now seen corresponding path program 1 times [2021-06-10 22:16:46,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 22:16:46,834 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057533693] [2021-06-10 22:16:46,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 22:16:46,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 22:16:46,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:46,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 22:16:46,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:46,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 22:16:46,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:46,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 22:16:46,941 INFO L142 QuantifierPusher]: treesize reduction 14, result has 39.1 percent of original size [2021-06-10 22:16:46,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 22:16:46,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:46,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:46,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 22:16:46,946 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057533693] [2021-06-10 22:16:46,946 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 22:16:46,946 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-10 22:16:46,946 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806303758] [2021-06-10 22:16:46,946 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-10 22:16:46,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 22:16:46,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-10 22:16:46,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-10 22:16:46,948 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 264 [2021-06-10 22:16:46,948 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 28 transitions, 68 flow. Second operand has 6 states, 6 states have (on average 132.5) internal successors, (795), 6 states have internal predecessors, (795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:46,948 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 22:16:46,948 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 264 [2021-06-10 22:16:46,949 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 22:16:47,096 INFO L129 PetriNetUnfolder]: 208/413 cut-off events. [2021-06-10 22:16:47,096 INFO L130 PetriNetUnfolder]: For 37/37 co-relation queries the response was YES. [2021-06-10 22:16:47,097 INFO L84 FinitePrefix]: Finished finitePrefix Result has 844 conditions, 413 events. 208/413 cut-off events. For 37/37 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1469 event pairs, 110 based on Foata normal form. 0/368 useless extension candidates. Maximal degree in co-relation 839. Up to 336 conditions per place. [2021-06-10 22:16:47,098 INFO L132 encePairwiseOnDemand]: 257/264 looper letters, 35 selfloop transitions, 8 changer transitions 4/51 dead transitions. [2021-06-10 22:16:47,098 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 51 transitions, 211 flow [2021-06-10 22:16:47,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-10 22:16:47,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-10 22:16:47,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 833 transitions. [2021-06-10 22:16:47,101 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5258838383838383 [2021-06-10 22:16:47,101 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 833 transitions. [2021-06-10 22:16:47,101 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 833 transitions. [2021-06-10 22:16:47,101 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 22:16:47,101 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 833 transitions. [2021-06-10 22:16:47,103 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 138.83333333333334) internal successors, (833), 6 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:47,105 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 264.0) internal successors, (1848), 7 states have internal predecessors, (1848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:47,105 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 264.0) internal successors, (1848), 7 states have internal predecessors, (1848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:47,105 INFO L185 Difference]: Start difference. First operand has 30 places, 28 transitions, 68 flow. Second operand 6 states and 833 transitions. [2021-06-10 22:16:47,105 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 51 transitions, 211 flow [2021-06-10 22:16:47,106 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 51 transitions, 208 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-10 22:16:47,106 INFO L241 Difference]: Finished difference. Result has 37 places, 33 transitions, 114 flow [2021-06-10 22:16:47,107 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=264, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=114, PETRI_PLACES=37, PETRI_TRANSITIONS=33} [2021-06-10 22:16:47,107 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 10 predicate places. [2021-06-10 22:16:47,107 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 33 transitions, 114 flow [2021-06-10 22:16:47,107 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 132.5) internal successors, (795), 6 states have internal predecessors, (795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:47,107 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 22:16:47,107 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 22:16:47,107 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-10 22:16:47,107 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]=== [2021-06-10 22:16:47,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 22:16:47,108 INFO L82 PathProgramCache]: Analyzing trace with hash -1123516739, now seen corresponding path program 1 times [2021-06-10 22:16:47,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 22:16:47,108 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009265174] [2021-06-10 22:16:47,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 22:16:47,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 22:16:47,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:47,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 22:16:47,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:47,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 22:16:47,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:47,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 22:16:47,198 INFO L142 QuantifierPusher]: treesize reduction 15, result has 68.1 percent of original size [2021-06-10 22:16:47,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 22:16:47,210 INFO L142 QuantifierPusher]: treesize reduction 15, result has 70.0 percent of original size [2021-06-10 22:16:47,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-10 22:16:47,224 INFO L142 QuantifierPusher]: treesize reduction 15, result has 68.1 percent of original size [2021-06-10 22:16:47,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 22:16:47,236 INFO L142 QuantifierPusher]: treesize reduction 45, result has 39.2 percent of original size [2021-06-10 22:16:47,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 22:16:47,248 INFO L142 QuantifierPusher]: treesize reduction 45, result has 39.2 percent of original size [2021-06-10 22:16:47,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 22:16:47,263 INFO L142 QuantifierPusher]: treesize reduction 46, result has 48.3 percent of original size [2021-06-10 22:16:47,264 INFO L147 QuantifierPusher]: treesize reduction 6, result has 86.0 percent of original size 37 [2021-06-10 22:16:47,287 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-06-10 22:16:47,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 22:16:47,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:47,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:47,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 22:16:47,299 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009265174] [2021-06-10 22:16:47,299 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 22:16:47,299 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-10 22:16:47,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235227768] [2021-06-10 22:16:47,299 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-10 22:16:47,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 22:16:47,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-10 22:16:47,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-06-10 22:16:47,301 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 264 [2021-06-10 22:16:47,302 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 33 transitions, 114 flow. Second operand has 12 states, 12 states have (on average 113.25) internal successors, (1359), 12 states have internal predecessors, (1359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:47,303 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 22:16:47,303 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 264 [2021-06-10 22:16:47,303 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 22:16:47,731 INFO L129 PetriNetUnfolder]: 210/412 cut-off events. [2021-06-10 22:16:47,731 INFO L130 PetriNetUnfolder]: For 154/154 co-relation queries the response was YES. [2021-06-10 22:16:47,731 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1003 conditions, 412 events. 210/412 cut-off events. For 154/154 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1389 event pairs, 99 based on Foata normal form. 0/356 useless extension candidates. Maximal degree in co-relation 995. Up to 331 conditions per place. [2021-06-10 22:16:47,733 INFO L132 encePairwiseOnDemand]: 250/264 looper letters, 36 selfloop transitions, 17 changer transitions 1/57 dead transitions. [2021-06-10 22:16:47,733 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 57 transitions, 342 flow [2021-06-10 22:16:47,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-10 22:16:47,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-06-10 22:16:47,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1285 transitions. [2021-06-10 22:16:47,736 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4424931129476584 [2021-06-10 22:16:47,736 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1285 transitions. [2021-06-10 22:16:47,736 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1285 transitions. [2021-06-10 22:16:47,736 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 22:16:47,736 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1285 transitions. [2021-06-10 22:16:47,738 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 116.81818181818181) internal successors, (1285), 11 states have internal predecessors, (1285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:47,741 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 264.0) internal successors, (3168), 12 states have internal predecessors, (3168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:47,743 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 264.0) internal successors, (3168), 12 states have internal predecessors, (3168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:47,743 INFO L185 Difference]: Start difference. First operand has 37 places, 33 transitions, 114 flow. Second operand 11 states and 1285 transitions. [2021-06-10 22:16:47,743 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 57 transitions, 342 flow [2021-06-10 22:16:47,744 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 57 transitions, 340 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-10 22:16:47,745 INFO L241 Difference]: Finished difference. Result has 52 places, 44 transitions, 235 flow [2021-06-10 22:16:47,746 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=264, PETRI_DIFFERENCE_MINUEND_FLOW=112, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=235, PETRI_PLACES=52, PETRI_TRANSITIONS=44} [2021-06-10 22:16:47,746 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 25 predicate places. [2021-06-10 22:16:47,746 INFO L480 AbstractCegarLoop]: Abstraction has has 52 places, 44 transitions, 235 flow [2021-06-10 22:16:47,746 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 113.25) internal successors, (1359), 12 states have internal predecessors, (1359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:47,746 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 22:16:47,746 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 22:16:47,746 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-10 22:16:47,746 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]=== [2021-06-10 22:16:47,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 22:16:47,747 INFO L82 PathProgramCache]: Analyzing trace with hash -157180059, now seen corresponding path program 2 times [2021-06-10 22:16:47,747 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 22:16:47,747 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258825092] [2021-06-10 22:16:47,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 22:16:47,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 22:16:47,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:47,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 22:16:47,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:47,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 22:16:47,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:47,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 22:16:47,832 INFO L142 QuantifierPusher]: treesize reduction 18, result has 57.1 percent of original size [2021-06-10 22:16:47,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 22:16:47,840 INFO L142 QuantifierPusher]: treesize reduction 18, result has 57.1 percent of original size [2021-06-10 22:16:47,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 22:16:47,850 INFO L142 QuantifierPusher]: treesize reduction 20, result has 69.2 percent of original size [2021-06-10 22:16:47,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 22:16:47,870 INFO L142 QuantifierPusher]: treesize reduction 20, result has 70.6 percent of original size [2021-06-10 22:16:47,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-06-10 22:16:47,904 INFO L142 QuantifierPusher]: treesize reduction 20, result has 69.2 percent of original size [2021-06-10 22:16:47,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 22:16:47,929 INFO L142 QuantifierPusher]: treesize reduction 40, result has 55.1 percent of original size [2021-06-10 22:16:47,930 INFO L147 QuantifierPusher]: treesize reduction 7, result has 85.7 percent of original size 42 [2021-06-10 22:16:47,957 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-06-10 22:16:47,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 22:16:47,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:47,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:47,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 22:16:47,969 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258825092] [2021-06-10 22:16:47,969 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 22:16:47,969 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-10 22:16:47,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636664450] [2021-06-10 22:16:47,969 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-10 22:16:47,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 22:16:47,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-10 22:16:47,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-06-10 22:16:47,972 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 264 [2021-06-10 22:16:47,973 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 44 transitions, 235 flow. Second operand has 12 states, 12 states have (on average 113.25) internal successors, (1359), 12 states have internal predecessors, (1359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:47,973 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 22:16:47,973 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 264 [2021-06-10 22:16:47,973 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 22:16:48,434 INFO L129 PetriNetUnfolder]: 213/423 cut-off events. [2021-06-10 22:16:48,434 INFO L130 PetriNetUnfolder]: For 337/337 co-relation queries the response was YES. [2021-06-10 22:16:48,434 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1266 conditions, 423 events. 213/423 cut-off events. For 337/337 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1427 event pairs, 98 based on Foata normal form. 0/389 useless extension candidates. Maximal degree in co-relation 1250. Up to 336 conditions per place. [2021-06-10 22:16:48,436 INFO L132 encePairwiseOnDemand]: 251/264 looper letters, 38 selfloop transitions, 25 changer transitions 4/70 dead transitions. [2021-06-10 22:16:48,436 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 70 transitions, 511 flow [2021-06-10 22:16:48,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-10 22:16:48,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-06-10 22:16:48,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1292 transitions. [2021-06-10 22:16:48,439 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44490358126721763 [2021-06-10 22:16:48,439 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1292 transitions. [2021-06-10 22:16:48,439 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1292 transitions. [2021-06-10 22:16:48,440 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 22:16:48,440 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1292 transitions. [2021-06-10 22:16:48,442 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 117.45454545454545) internal successors, (1292), 11 states have internal predecessors, (1292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:48,445 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 264.0) internal successors, (3168), 12 states have internal predecessors, (3168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:48,445 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 264.0) internal successors, (3168), 12 states have internal predecessors, (3168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:48,445 INFO L185 Difference]: Start difference. First operand has 52 places, 44 transitions, 235 flow. Second operand 11 states and 1292 transitions. [2021-06-10 22:16:48,445 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 70 transitions, 511 flow [2021-06-10 22:16:48,447 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 70 transitions, 495 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-06-10 22:16:48,448 INFO L241 Difference]: Finished difference. Result has 64 places, 56 transitions, 386 flow [2021-06-10 22:16:48,449 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=264, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=386, PETRI_PLACES=64, PETRI_TRANSITIONS=56} [2021-06-10 22:16:48,449 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 37 predicate places. [2021-06-10 22:16:48,449 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 56 transitions, 386 flow [2021-06-10 22:16:48,449 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 113.25) internal successors, (1359), 12 states have internal predecessors, (1359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:48,449 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 22:16:48,449 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 22:16:48,449 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-10 22:16:48,449 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]=== [2021-06-10 22:16:48,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 22:16:48,450 INFO L82 PathProgramCache]: Analyzing trace with hash -1097258979, now seen corresponding path program 3 times [2021-06-10 22:16:48,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 22:16:48,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984147581] [2021-06-10 22:16:48,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 22:16:48,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 22:16:48,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:48,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 22:16:48,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:48,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 22:16:48,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:48,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 22:16:48,506 INFO L142 QuantifierPusher]: treesize reduction 15, result has 68.1 percent of original size [2021-06-10 22:16:48,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 22:16:48,515 INFO L142 QuantifierPusher]: treesize reduction 15, result has 70.0 percent of original size [2021-06-10 22:16:48,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-10 22:16:48,527 INFO L142 QuantifierPusher]: treesize reduction 15, result has 68.1 percent of original size [2021-06-10 22:16:48,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 22:16:48,539 INFO L142 QuantifierPusher]: treesize reduction 15, result has 68.1 percent of original size [2021-06-10 22:16:48,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 22:16:48,552 INFO L142 QuantifierPusher]: treesize reduction 45, result has 39.2 percent of original size [2021-06-10 22:16:48,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 22:16:48,567 INFO L142 QuantifierPusher]: treesize reduction 48, result has 47.3 percent of original size [2021-06-10 22:16:48,568 INFO L147 QuantifierPusher]: treesize reduction 6, result has 86.0 percent of original size 37 [2021-06-10 22:16:48,592 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-06-10 22:16:48,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 22:16:48,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:48,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:48,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 22:16:48,632 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984147581] [2021-06-10 22:16:48,632 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 22:16:48,632 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-10 22:16:48,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199669135] [2021-06-10 22:16:48,633 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-10 22:16:48,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 22:16:48,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-10 22:16:48,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-06-10 22:16:48,634 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 264 [2021-06-10 22:16:48,635 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 56 transitions, 386 flow. Second operand has 12 states, 12 states have (on average 113.25) internal successors, (1359), 12 states have internal predecessors, (1359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:48,636 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 22:16:48,636 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 264 [2021-06-10 22:16:48,636 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 22:16:49,321 INFO L129 PetriNetUnfolder]: 231/456 cut-off events. [2021-06-10 22:16:49,321 INFO L130 PetriNetUnfolder]: For 734/736 co-relation queries the response was YES. [2021-06-10 22:16:49,322 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1589 conditions, 456 events. 231/456 cut-off events. For 734/736 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1578 event pairs, 100 based on Foata normal form. 0/422 useless extension candidates. Maximal degree in co-relation 1568. Up to 343 conditions per place. [2021-06-10 22:16:49,324 INFO L132 encePairwiseOnDemand]: 251/264 looper letters, 42 selfloop transitions, 39 changer transitions 1/85 dead transitions. [2021-06-10 22:16:49,324 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 85 transitions, 824 flow [2021-06-10 22:16:49,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-10 22:16:49,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-06-10 22:16:49,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1743 transitions. [2021-06-10 22:16:49,327 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4401515151515151 [2021-06-10 22:16:49,328 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1743 transitions. [2021-06-10 22:16:49,328 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1743 transitions. [2021-06-10 22:16:49,328 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 22:16:49,328 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1743 transitions. [2021-06-10 22:16:49,331 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 116.2) internal successors, (1743), 15 states have internal predecessors, (1743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:49,334 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 264.0) internal successors, (4224), 16 states have internal predecessors, (4224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:49,335 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 264.0) internal successors, (4224), 16 states have internal predecessors, (4224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:49,335 INFO L185 Difference]: Start difference. First operand has 64 places, 56 transitions, 386 flow. Second operand 15 states and 1743 transitions. [2021-06-10 22:16:49,335 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 85 transitions, 824 flow [2021-06-10 22:16:49,337 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 85 transitions, 735 flow, removed 7 selfloop flow, removed 5 redundant places. [2021-06-10 22:16:49,339 INFO L241 Difference]: Finished difference. Result has 83 places, 76 transitions, 666 flow [2021-06-10 22:16:49,339 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=264, PETRI_DIFFERENCE_MINUEND_FLOW=335, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=666, PETRI_PLACES=83, PETRI_TRANSITIONS=76} [2021-06-10 22:16:49,339 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 56 predicate places. [2021-06-10 22:16:49,339 INFO L480 AbstractCegarLoop]: Abstraction has has 83 places, 76 transitions, 666 flow [2021-06-10 22:16:49,339 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 113.25) internal successors, (1359), 12 states have internal predecessors, (1359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:49,339 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 22:16:49,339 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 22:16:49,340 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-10 22:16:49,340 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]=== [2021-06-10 22:16:49,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 22:16:49,340 INFO L82 PathProgramCache]: Analyzing trace with hash -1826838427, now seen corresponding path program 4 times [2021-06-10 22:16:49,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 22:16:49,340 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912395604] [2021-06-10 22:16:49,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 22:16:49,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 22:16:49,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:49,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 22:16:49,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:49,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 22:16:49,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:49,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 22:16:49,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:49,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 22:16:49,409 INFO L142 QuantifierPusher]: treesize reduction 18, result has 57.1 percent of original size [2021-06-10 22:16:49,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 22:16:49,421 INFO L142 QuantifierPusher]: treesize reduction 20, result has 69.2 percent of original size [2021-06-10 22:16:49,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 22:16:49,443 INFO L142 QuantifierPusher]: treesize reduction 20, result has 70.6 percent of original size [2021-06-10 22:16:49,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-06-10 22:16:49,470 INFO L142 QuantifierPusher]: treesize reduction 20, result has 69.2 percent of original size [2021-06-10 22:16:49,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 22:16:49,495 INFO L142 QuantifierPusher]: treesize reduction 40, result has 55.1 percent of original size [2021-06-10 22:16:49,496 INFO L147 QuantifierPusher]: treesize reduction 7, result has 85.7 percent of original size 42 [2021-06-10 22:16:49,521 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-06-10 22:16:49,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 22:16:49,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:49,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:49,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 22:16:49,532 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912395604] [2021-06-10 22:16:49,532 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 22:16:49,532 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-10 22:16:49,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149599159] [2021-06-10 22:16:49,532 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-10 22:16:49,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 22:16:49,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-10 22:16:49,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-06-10 22:16:49,534 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 264 [2021-06-10 22:16:49,535 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 76 transitions, 666 flow. Second operand has 12 states, 12 states have (on average 113.25) internal successors, (1359), 12 states have internal predecessors, (1359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:49,535 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 22:16:49,535 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 264 [2021-06-10 22:16:49,535 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 22:16:50,119 INFO L129 PetriNetUnfolder]: 253/502 cut-off events. [2021-06-10 22:16:50,119 INFO L130 PetriNetUnfolder]: For 1643/1643 co-relation queries the response was YES. [2021-06-10 22:16:50,120 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2087 conditions, 502 events. 253/502 cut-off events. For 1643/1643 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1814 event pairs, 106 based on Foata normal form. 0/468 useless extension candidates. Maximal degree in co-relation 2056. Up to 352 conditions per place. [2021-06-10 22:16:50,122 INFO L132 encePairwiseOnDemand]: 251/264 looper letters, 58 selfloop transitions, 46 changer transitions 6/113 dead transitions. [2021-06-10 22:16:50,122 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 113 transitions, 1255 flow [2021-06-10 22:16:50,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-10 22:16:50,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-10 22:16:50,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1534 transitions. [2021-06-10 22:16:50,125 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44696969696969696 [2021-06-10 22:16:50,126 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1534 transitions. [2021-06-10 22:16:50,126 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1534 transitions. [2021-06-10 22:16:50,126 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 22:16:50,126 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1534 transitions. [2021-06-10 22:16:50,129 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 118.0) internal successors, (1534), 13 states have internal predecessors, (1534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:50,132 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 264.0) internal successors, (3696), 14 states have internal predecessors, (3696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:50,133 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 264.0) internal successors, (3696), 14 states have internal predecessors, (3696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:50,133 INFO L185 Difference]: Start difference. First operand has 83 places, 76 transitions, 666 flow. Second operand 13 states and 1534 transitions. [2021-06-10 22:16:50,133 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 113 transitions, 1255 flow [2021-06-10 22:16:50,137 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 113 transitions, 1175 flow, removed 17 selfloop flow, removed 5 redundant places. [2021-06-10 22:16:50,139 INFO L241 Difference]: Finished difference. Result has 95 places, 91 transitions, 925 flow [2021-06-10 22:16:50,140 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=264, PETRI_DIFFERENCE_MINUEND_FLOW=605, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=925, PETRI_PLACES=95, PETRI_TRANSITIONS=91} [2021-06-10 22:16:50,140 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 68 predicate places. [2021-06-10 22:16:50,140 INFO L480 AbstractCegarLoop]: Abstraction has has 95 places, 91 transitions, 925 flow [2021-06-10 22:16:50,140 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 113.25) internal successors, (1359), 12 states have internal predecessors, (1359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:50,140 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 22:16:50,140 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 22:16:50,140 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-10 22:16:50,141 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]=== [2021-06-10 22:16:50,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 22:16:50,141 INFO L82 PathProgramCache]: Analyzing trace with hash 476399409, now seen corresponding path program 5 times [2021-06-10 22:16:50,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 22:16:50,141 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100341110] [2021-06-10 22:16:50,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 22:16:50,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 22:16:50,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:50,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 22:16:50,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:50,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 22:16:50,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:50,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 22:16:50,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:50,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 22:16:50,223 INFO L142 QuantifierPusher]: treesize reduction 15, result has 68.1 percent of original size [2021-06-10 22:16:50,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 22:16:50,234 INFO L142 QuantifierPusher]: treesize reduction 15, result has 70.0 percent of original size [2021-06-10 22:16:50,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-10 22:16:50,248 INFO L142 QuantifierPusher]: treesize reduction 15, result has 68.1 percent of original size [2021-06-10 22:16:50,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 22:16:50,261 INFO L142 QuantifierPusher]: treesize reduction 45, result has 39.2 percent of original size [2021-06-10 22:16:50,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 22:16:50,276 INFO L142 QuantifierPusher]: treesize reduction 48, result has 47.3 percent of original size [2021-06-10 22:16:50,277 INFO L147 QuantifierPusher]: treesize reduction 6, result has 86.0 percent of original size 37 [2021-06-10 22:16:50,301 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-06-10 22:16:50,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 22:16:50,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:50,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:50,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 22:16:50,315 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100341110] [2021-06-10 22:16:50,315 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 22:16:50,315 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-10 22:16:50,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859283732] [2021-06-10 22:16:50,316 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-10 22:16:50,316 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 22:16:50,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-10 22:16:50,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-06-10 22:16:50,317 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 264 [2021-06-10 22:16:50,318 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 91 transitions, 925 flow. Second operand has 12 states, 12 states have (on average 113.25) internal successors, (1359), 12 states have internal predecessors, (1359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:50,318 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 22:16:50,318 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 264 [2021-06-10 22:16:50,318 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 22:16:50,963 INFO L129 PetriNetUnfolder]: 256/508 cut-off events. [2021-06-10 22:16:50,963 INFO L130 PetriNetUnfolder]: For 2171/2171 co-relation queries the response was YES. [2021-06-10 22:16:50,965 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2288 conditions, 508 events. 256/508 cut-off events. For 2171/2171 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1837 event pairs, 95 based on Foata normal form. 0/474 useless extension candidates. Maximal degree in co-relation 2252. Up to 356 conditions per place. [2021-06-10 22:16:50,967 INFO L132 encePairwiseOnDemand]: 251/264 looper letters, 60 selfloop transitions, 50 changer transitions 3/116 dead transitions. [2021-06-10 22:16:50,967 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 116 transitions, 1482 flow [2021-06-10 22:16:50,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-10 22:16:50,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-06-10 22:16:50,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1749 transitions. [2021-06-10 22:16:50,970 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44166666666666665 [2021-06-10 22:16:50,970 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1749 transitions. [2021-06-10 22:16:50,970 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1749 transitions. [2021-06-10 22:16:50,971 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 22:16:50,971 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1749 transitions. [2021-06-10 22:16:50,973 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 116.6) internal successors, (1749), 15 states have internal predecessors, (1749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:50,977 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 264.0) internal successors, (4224), 16 states have internal predecessors, (4224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:50,977 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 264.0) internal successors, (4224), 16 states have internal predecessors, (4224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:50,978 INFO L185 Difference]: Start difference. First operand has 95 places, 91 transitions, 925 flow. Second operand 15 states and 1749 transitions. [2021-06-10 22:16:50,978 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 116 transitions, 1482 flow [2021-06-10 22:16:50,983 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 116 transitions, 1285 flow, removed 48 selfloop flow, removed 6 redundant places. [2021-06-10 22:16:50,984 INFO L241 Difference]: Finished difference. Result has 105 places, 112 transitions, 1187 flow [2021-06-10 22:16:50,985 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=264, PETRI_DIFFERENCE_MINUEND_FLOW=768, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=1187, PETRI_PLACES=105, PETRI_TRANSITIONS=112} [2021-06-10 22:16:50,985 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 78 predicate places. [2021-06-10 22:16:50,985 INFO L480 AbstractCegarLoop]: Abstraction has has 105 places, 112 transitions, 1187 flow [2021-06-10 22:16:50,985 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 113.25) internal successors, (1359), 12 states have internal predecessors, (1359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:50,985 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 22:16:50,985 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 22:16:50,985 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-10 22:16:50,986 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]=== [2021-06-10 22:16:50,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 22:16:50,986 INFO L82 PathProgramCache]: Analyzing trace with hash -1504183183, now seen corresponding path program 6 times [2021-06-10 22:16:50,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 22:16:50,986 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270891536] [2021-06-10 22:16:50,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 22:16:50,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 22:16:51,014 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.0 percent of original size [2021-06-10 22:16:51,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 22:16:51,019 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size [2021-06-10 22:16:51,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 22:16:51,026 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size [2021-06-10 22:16:51,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 22:16:51,034 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size [2021-06-10 22:16:51,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 22:16:51,061 INFO L142 QuantifierPusher]: treesize reduction 18, result has 64.0 percent of original size [2021-06-10 22:16:51,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 22:16:51,071 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-10 22:16:51,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-10 22:16:51,082 INFO L142 QuantifierPusher]: treesize reduction 15, result has 74.1 percent of original size [2021-06-10 22:16:51,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-06-10 22:16:51,088 INFO L142 QuantifierPusher]: treesize reduction 52, result has 41.6 percent of original size [2021-06-10 22:16:51,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-10 22:16:51,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:51,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 22:16:51,107 INFO L142 QuantifierPusher]: treesize reduction 8, result has 83.7 percent of original size [2021-06-10 22:16:51,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-10 22:16:51,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:51,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:51,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 22:16:51,122 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270891536] [2021-06-10 22:16:51,122 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 22:16:51,122 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-10 22:16:51,122 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816460051] [2021-06-10 22:16:51,122 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-10 22:16:51,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 22:16:51,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-10 22:16:51,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-06-10 22:16:51,124 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 264 [2021-06-10 22:16:51,124 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 112 transitions, 1187 flow. Second operand has 11 states, 11 states have (on average 112.36363636363636) internal successors, (1236), 11 states have internal predecessors, (1236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:51,125 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 22:16:51,125 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 264 [2021-06-10 22:16:51,125 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 22:16:51,768 INFO L129 PetriNetUnfolder]: 262/520 cut-off events. [2021-06-10 22:16:51,768 INFO L130 PetriNetUnfolder]: For 1773/1775 co-relation queries the response was YES. [2021-06-10 22:16:51,770 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2277 conditions, 520 events. 262/520 cut-off events. For 1773/1775 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1896 event pairs, 91 based on Foata normal form. 2/488 useless extension candidates. Maximal degree in co-relation 2239. Up to 355 conditions per place. [2021-06-10 22:16:51,772 INFO L132 encePairwiseOnDemand]: 251/264 looper letters, 56 selfloop transitions, 66 changer transitions 5/130 dead transitions. [2021-06-10 22:16:51,772 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 130 transitions, 1599 flow [2021-06-10 22:16:51,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-10 22:16:51,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-06-10 22:16:51,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 1969 transitions. [2021-06-10 22:16:51,776 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4387254901960784 [2021-06-10 22:16:51,776 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 1969 transitions. [2021-06-10 22:16:51,776 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 1969 transitions. [2021-06-10 22:16:51,777 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 22:16:51,777 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 1969 transitions. [2021-06-10 22:16:51,780 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 115.82352941176471) internal successors, (1969), 17 states have internal predecessors, (1969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:51,783 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 264.0) internal successors, (4752), 18 states have internal predecessors, (4752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:51,784 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 264.0) internal successors, (4752), 18 states have internal predecessors, (4752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:51,784 INFO L185 Difference]: Start difference. First operand has 105 places, 112 transitions, 1187 flow. Second operand 17 states and 1969 transitions. [2021-06-10 22:16:51,784 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 130 transitions, 1599 flow [2021-06-10 22:16:51,789 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 130 transitions, 1461 flow, removed 59 selfloop flow, removed 3 redundant places. [2021-06-10 22:16:51,791 INFO L241 Difference]: Finished difference. Result has 120 places, 116 transitions, 1255 flow [2021-06-10 22:16:51,791 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=264, PETRI_DIFFERENCE_MINUEND_FLOW=1049, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1255, PETRI_PLACES=120, PETRI_TRANSITIONS=116} [2021-06-10 22:16:51,792 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 93 predicate places. [2021-06-10 22:16:51,792 INFO L480 AbstractCegarLoop]: Abstraction has has 120 places, 116 transitions, 1255 flow [2021-06-10 22:16:51,792 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 112.36363636363636) internal successors, (1236), 11 states have internal predecessors, (1236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:51,792 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 22:16:51,792 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 22:16:51,792 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-10 22:16:51,792 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]=== [2021-06-10 22:16:51,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 22:16:51,792 INFO L82 PathProgramCache]: Analyzing trace with hash 1984334883, now seen corresponding path program 7 times [2021-06-10 22:16:51,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 22:16:51,793 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008019918] [2021-06-10 22:16:51,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 22:16:51,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 22:16:51,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:51,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 22:16:51,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:51,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-10 22:16:51,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:51,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-10 22:16:51,889 INFO L142 QuantifierPusher]: treesize reduction 15, result has 73.7 percent of original size [2021-06-10 22:16:51,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-10 22:16:51,914 INFO L142 QuantifierPusher]: treesize reduction 358, result has 21.7 percent of original size [2021-06-10 22:16:51,915 INFO L147 QuantifierPusher]: treesize reduction 22, result has 77.8 percent of original size 77 [2021-06-10 22:16:51,934 INFO L142 QuantifierPusher]: treesize reduction 15, result has 78.9 percent of original size [2021-06-10 22:16:51,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-06-10 22:16:51,959 INFO L142 QuantifierPusher]: treesize reduction 15, result has 78.9 percent of original size [2021-06-10 22:16:51,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-06-10 22:16:51,987 INFO L142 QuantifierPusher]: treesize reduction 70, result has 34.6 percent of original size [2021-06-10 22:16:51,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-10 22:16:52,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:52,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 22:16:52,010 INFO L142 QuantifierPusher]: treesize reduction 8, result has 83.7 percent of original size [2021-06-10 22:16:52,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-10 22:16:52,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:52,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:52,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 22:16:52,026 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008019918] [2021-06-10 22:16:52,026 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 22:16:52,026 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-10 22:16:52,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834171785] [2021-06-10 22:16:52,026 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-10 22:16:52,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 22:16:52,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-10 22:16:52,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-06-10 22:16:52,028 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 264 [2021-06-10 22:16:52,028 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 116 transitions, 1255 flow. Second operand has 12 states, 12 states have (on average 112.25) internal successors, (1347), 12 states have internal predecessors, (1347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:52,028 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 22:16:52,029 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 264 [2021-06-10 22:16:52,029 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 22:16:52,958 INFO L129 PetriNetUnfolder]: 268/532 cut-off events. [2021-06-10 22:16:52,958 INFO L130 PetriNetUnfolder]: For 2002/2002 co-relation queries the response was YES. [2021-06-10 22:16:52,959 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2443 conditions, 532 events. 268/532 cut-off events. For 2002/2002 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1975 event pairs, 101 based on Foata normal form. 0/498 useless extension candidates. Maximal degree in co-relation 2403. Up to 367 conditions per place. [2021-06-10 22:16:52,962 INFO L132 encePairwiseOnDemand]: 251/264 looper letters, 42 selfloop transitions, 88 changer transitions 3/136 dead transitions. [2021-06-10 22:16:52,962 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 136 transitions, 1723 flow [2021-06-10 22:16:52,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-10 22:16:52,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-06-10 22:16:52,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 2407 transitions. [2021-06-10 22:16:52,966 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.43416305916305914 [2021-06-10 22:16:52,967 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 2407 transitions. [2021-06-10 22:16:52,967 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 2407 transitions. [2021-06-10 22:16:52,967 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 22:16:52,967 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 2407 transitions. [2021-06-10 22:16:52,980 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 114.61904761904762) internal successors, (2407), 21 states have internal predecessors, (2407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:52,985 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 264.0) internal successors, (5808), 22 states have internal predecessors, (5808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:52,986 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 264.0) internal successors, (5808), 22 states have internal predecessors, (5808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:52,986 INFO L185 Difference]: Start difference. First operand has 120 places, 116 transitions, 1255 flow. Second operand 21 states and 2407 transitions. [2021-06-10 22:16:52,986 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 136 transitions, 1723 flow [2021-06-10 22:16:52,993 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 136 transitions, 1451 flow, removed 21 selfloop flow, removed 16 redundant places. [2021-06-10 22:16:52,996 INFO L241 Difference]: Finished difference. Result has 126 places, 129 transitions, 1361 flow [2021-06-10 22:16:52,997 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=264, PETRI_DIFFERENCE_MINUEND_FLOW=995, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=1361, PETRI_PLACES=126, PETRI_TRANSITIONS=129} [2021-06-10 22:16:52,997 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 99 predicate places. [2021-06-10 22:16:52,997 INFO L480 AbstractCegarLoop]: Abstraction has has 126 places, 129 transitions, 1361 flow [2021-06-10 22:16:52,997 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 112.25) internal successors, (1347), 12 states have internal predecessors, (1347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:52,997 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 22:16:52,998 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 22:16:52,998 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-10 22:16:52,998 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]=== [2021-06-10 22:16:52,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 22:16:52,998 INFO L82 PathProgramCache]: Analyzing trace with hash -796534299, now seen corresponding path program 8 times [2021-06-10 22:16:52,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 22:16:52,999 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604899052] [2021-06-10 22:16:52,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 22:16:53,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 22:16:53,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:53,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 22:16:53,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:53,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 22:16:53,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:53,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 22:16:53,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:53,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 22:16:53,069 INFO L142 QuantifierPusher]: treesize reduction 15, result has 68.1 percent of original size [2021-06-10 22:16:53,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 22:16:53,079 INFO L142 QuantifierPusher]: treesize reduction 15, result has 70.0 percent of original size [2021-06-10 22:16:53,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-10 22:16:53,091 INFO L142 QuantifierPusher]: treesize reduction 15, result has 68.1 percent of original size [2021-06-10 22:16:53,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 22:16:53,104 INFO L142 QuantifierPusher]: treesize reduction 45, result has 39.2 percent of original size [2021-06-10 22:16:53,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 22:16:53,118 INFO L142 QuantifierPusher]: treesize reduction 48, result has 47.3 percent of original size [2021-06-10 22:16:53,118 INFO L147 QuantifierPusher]: treesize reduction 6, result has 86.0 percent of original size 37 [2021-06-10 22:16:53,141 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-06-10 22:16:53,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 22:16:53,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:53,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:53,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 22:16:53,153 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604899052] [2021-06-10 22:16:53,154 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 22:16:53,154 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-10 22:16:53,154 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678749001] [2021-06-10 22:16:53,154 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-10 22:16:53,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 22:16:53,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-10 22:16:53,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2021-06-10 22:16:53,156 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 264 [2021-06-10 22:16:53,157 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 129 transitions, 1361 flow. Second operand has 12 states, 12 states have (on average 113.25) internal successors, (1359), 12 states have internal predecessors, (1359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:53,157 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 22:16:53,157 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 264 [2021-06-10 22:16:53,157 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 22:16:53,894 INFO L129 PetriNetUnfolder]: 270/537 cut-off events. [2021-06-10 22:16:53,894 INFO L130 PetriNetUnfolder]: For 2049/2049 co-relation queries the response was YES. [2021-06-10 22:16:53,896 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2500 conditions, 537 events. 270/537 cut-off events. For 2049/2049 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1983 event pairs, 90 based on Foata normal form. 0/503 useless extension candidates. Maximal degree in co-relation 2460. Up to 381 conditions per place. [2021-06-10 22:16:53,898 INFO L132 encePairwiseOnDemand]: 251/264 looper letters, 55 selfloop transitions, 80 changer transitions 5/143 dead transitions. [2021-06-10 22:16:53,898 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 143 transitions, 1756 flow [2021-06-10 22:16:53,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-10 22:16:53,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-06-10 22:16:53,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1864 transitions. [2021-06-10 22:16:53,900 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4412878787878788 [2021-06-10 22:16:53,900 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1864 transitions. [2021-06-10 22:16:53,900 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1864 transitions. [2021-06-10 22:16:53,900 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 22:16:53,900 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1864 transitions. [2021-06-10 22:16:53,902 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 116.5) internal successors, (1864), 16 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:53,904 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 264.0) internal successors, (4488), 17 states have internal predecessors, (4488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:53,905 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 264.0) internal successors, (4488), 17 states have internal predecessors, (4488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:53,905 INFO L185 Difference]: Start difference. First operand has 126 places, 129 transitions, 1361 flow. Second operand 16 states and 1864 transitions. [2021-06-10 22:16:53,905 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 143 transitions, 1756 flow [2021-06-10 22:16:53,912 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 143 transitions, 1525 flow, removed 35 selfloop flow, removed 22 redundant places. [2021-06-10 22:16:53,914 INFO L241 Difference]: Finished difference. Result has 120 places, 137 transitions, 1411 flow [2021-06-10 22:16:53,914 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=264, PETRI_DIFFERENCE_MINUEND_FLOW=1135, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=73, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=1411, PETRI_PLACES=120, PETRI_TRANSITIONS=137} [2021-06-10 22:16:53,914 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 93 predicate places. [2021-06-10 22:16:53,914 INFO L480 AbstractCegarLoop]: Abstraction has has 120 places, 137 transitions, 1411 flow [2021-06-10 22:16:53,914 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 113.25) internal successors, (1359), 12 states have internal predecessors, (1359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:53,914 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 22:16:53,914 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 22:16:53,915 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-10 22:16:53,915 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]=== [2021-06-10 22:16:53,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 22:16:53,915 INFO L82 PathProgramCache]: Analyzing trace with hash -1972282287, now seen corresponding path program 9 times [2021-06-10 22:16:53,915 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 22:16:53,915 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429354288] [2021-06-10 22:16:53,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 22:16:53,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 22:16:53,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:53,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 22:16:53,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:53,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-10 22:16:53,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:53,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-10 22:16:53,976 INFO L142 QuantifierPusher]: treesize reduction 15, result has 73.7 percent of original size [2021-06-10 22:16:53,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-10 22:16:53,995 INFO L142 QuantifierPusher]: treesize reduction 358, result has 21.7 percent of original size [2021-06-10 22:16:53,996 INFO L147 QuantifierPusher]: treesize reduction 22, result has 77.8 percent of original size 77 [2021-06-10 22:16:54,015 INFO L142 QuantifierPusher]: treesize reduction 15, result has 78.9 percent of original size [2021-06-10 22:16:54,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-06-10 22:16:54,040 INFO L142 QuantifierPusher]: treesize reduction 70, result has 34.6 percent of original size [2021-06-10 22:16:54,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-10 22:16:54,054 INFO L142 QuantifierPusher]: treesize reduction 70, result has 34.6 percent of original size [2021-06-10 22:16:54,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-10 22:16:54,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:54,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-10 22:16:54,079 INFO L142 QuantifierPusher]: treesize reduction 8, result has 83.7 percent of original size [2021-06-10 22:16:54,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-10 22:16:54,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:54,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:16:54,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 22:16:54,096 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429354288] [2021-06-10 22:16:54,096 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 22:16:54,097 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-10 22:16:54,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361972843] [2021-06-10 22:16:54,097 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-10 22:16:54,097 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 22:16:54,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-10 22:16:54,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2021-06-10 22:16:54,098 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 264 [2021-06-10 22:16:54,099 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 137 transitions, 1411 flow. Second operand has 12 states, 12 states have (on average 112.25) internal successors, (1347), 12 states have internal predecessors, (1347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:54,099 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 22:16:54,099 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 264 [2021-06-10 22:16:54,099 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 22:16:54,933 INFO L129 PetriNetUnfolder]: 278/553 cut-off events. [2021-06-10 22:16:54,933 INFO L130 PetriNetUnfolder]: For 2326/2328 co-relation queries the response was YES. [2021-06-10 22:16:54,935 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2604 conditions, 553 events. 278/553 cut-off events. For 2326/2328 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2013 event pairs, 100 based on Foata normal form. 2/521 useless extension candidates. Maximal degree in co-relation 2573. Up to 339 conditions per place. [2021-06-10 22:16:54,937 INFO L132 encePairwiseOnDemand]: 251/264 looper letters, 24 selfloop transitions, 119 changer transitions 3/149 dead transitions. [2021-06-10 22:16:54,937 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 149 transitions, 1803 flow [2021-06-10 22:16:54,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-10 22:16:54,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-06-10 22:16:54,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2289 transitions. [2021-06-10 22:16:54,939 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4335227272727273 [2021-06-10 22:16:54,939 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2289 transitions. [2021-06-10 22:16:54,939 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2289 transitions. [2021-06-10 22:16:54,940 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 22:16:54,940 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2289 transitions. [2021-06-10 22:16:54,942 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 114.45) internal successors, (2289), 20 states have internal predecessors, (2289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:54,945 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 264.0) internal successors, (5544), 21 states have internal predecessors, (5544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:54,945 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 264.0) internal successors, (5544), 21 states have internal predecessors, (5544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:54,945 INFO L185 Difference]: Start difference. First operand has 120 places, 137 transitions, 1411 flow. Second operand 20 states and 2289 transitions. [2021-06-10 22:16:54,945 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 149 transitions, 1803 flow [2021-06-10 22:16:54,951 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 149 transitions, 1558 flow, removed 38 selfloop flow, removed 9 redundant places. [2021-06-10 22:16:54,953 INFO L241 Difference]: Finished difference. Result has 133 places, 143 transitions, 1606 flow [2021-06-10 22:16:54,953 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=264, PETRI_DIFFERENCE_MINUEND_FLOW=1182, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=114, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=1606, PETRI_PLACES=133, PETRI_TRANSITIONS=143} [2021-06-10 22:16:54,953 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 106 predicate places. [2021-06-10 22:16:54,953 INFO L480 AbstractCegarLoop]: Abstraction has has 133 places, 143 transitions, 1606 flow [2021-06-10 22:16:54,954 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 112.25) internal successors, (1347), 12 states have internal predecessors, (1347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:54,954 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 22:16:54,954 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 22:16:54,954 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-10 22:16:54,954 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]=== [2021-06-10 22:16:54,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 22:16:54,954 INFO L82 PathProgramCache]: Analyzing trace with hash -913940355, now seen corresponding path program 1 times [2021-06-10 22:16:54,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 22:16:54,954 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118782023] [2021-06-10 22:16:54,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 22:16:54,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 22:16:55,032 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size [2021-06-10 22:16:55,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 22:16:55,042 INFO L142 QuantifierPusher]: treesize reduction 3, result has 92.1 percent of original size [2021-06-10 22:16:55,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-10 22:16:55,064 INFO L142 QuantifierPusher]: treesize reduction 3, result has 92.7 percent of original size [2021-06-10 22:16:55,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-10 22:16:55,082 INFO L142 QuantifierPusher]: treesize reduction 3, result has 93.2 percent of original size [2021-06-10 22:16:55,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-10 22:16:55,103 INFO L142 QuantifierPusher]: treesize reduction 45, result has 59.5 percent of original size [2021-06-10 22:16:55,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-06-10 22:16:55,138 INFO L142 QuantifierPusher]: treesize reduction 52, result has 59.1 percent of original size [2021-06-10 22:16:55,138 INFO L147 QuantifierPusher]: treesize reduction 6, result has 92.0 percent of original size 69 [2021-06-10 22:16:55,175 INFO L142 QuantifierPusher]: treesize reduction 45, result has 65.9 percent of original size [2021-06-10 22:16:55,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-06-10 22:16:55,186 INFO L142 QuantifierPusher]: treesize reduction 40, result has 75.6 percent of original size [2021-06-10 22:16:55,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2021-06-10 22:16:55,236 INFO L142 QuantifierPusher]: treesize reduction 83, result has 69.9 percent of original size [2021-06-10 22:16:55,238 INFO L147 QuantifierPusher]: treesize reduction 7, result has 96.4 percent of original size 186 [2021-06-10 22:16:55,296 INFO L142 QuantifierPusher]: treesize reduction 63, result has 50.8 percent of original size [2021-06-10 22:16:55,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-06-10 22:16:55,329 INFO L142 QuantifierPusher]: treesize reduction 64, result has 80.9 percent of original size [2021-06-10 22:16:55,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 271 [2021-06-10 22:16:55,414 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-06-10 22:16:55,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-10 22:16:55,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:55,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 22:16:55,453 INFO L142 QuantifierPusher]: treesize reduction 10, result has 80.4 percent of original size [2021-06-10 22:16:55,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-10 22:16:55,476 INFO L142 QuantifierPusher]: treesize reduction 14, result has 33.3 percent of original size [2021-06-10 22:16:55,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 22:16:55,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 22:16:55,489 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118782023] [2021-06-10 22:16:55,489 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 22:16:55,489 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-06-10 22:16:55,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121689384] [2021-06-10 22:16:55,489 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-10 22:16:55,489 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 22:16:55,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-10 22:16:55,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2021-06-10 22:16:55,491 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 264 [2021-06-10 22:16:55,491 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 143 transitions, 1606 flow. Second operand has 16 states, 16 states have (on average 75.0625) internal successors, (1201), 16 states have internal predecessors, (1201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:55,491 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 22:16:55,491 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 264 [2021-06-10 22:16:55,491 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 22:16:56,841 INFO L129 PetriNetUnfolder]: 361/696 cut-off events. [2021-06-10 22:16:56,841 INFO L130 PetriNetUnfolder]: For 2644/2644 co-relation queries the response was YES. [2021-06-10 22:16:56,843 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3274 conditions, 696 events. 361/696 cut-off events. For 2644/2644 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2641 event pairs, 111 based on Foata normal form. 18/657 useless extension candidates. Maximal degree in co-relation 3240. Up to 441 conditions per place. [2021-06-10 22:16:56,845 INFO L132 encePairwiseOnDemand]: 246/264 looper letters, 105 selfloop transitions, 100 changer transitions 3/210 dead transitions. [2021-06-10 22:16:56,845 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 210 transitions, 2454 flow [2021-06-10 22:16:56,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-10 22:16:56,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-06-10 22:16:56,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 1755 transitions. [2021-06-10 22:16:56,849 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3021694214876033 [2021-06-10 22:16:56,849 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 1755 transitions. [2021-06-10 22:16:56,849 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 1755 transitions. [2021-06-10 22:16:56,849 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 22:16:56,849 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 1755 transitions. [2021-06-10 22:16:56,851 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 79.77272727272727) internal successors, (1755), 22 states have internal predecessors, (1755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:56,854 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 264.0) internal successors, (6072), 23 states have internal predecessors, (6072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:56,854 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 264.0) internal successors, (6072), 23 states have internal predecessors, (6072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:56,854 INFO L185 Difference]: Start difference. First operand has 133 places, 143 transitions, 1606 flow. Second operand 22 states and 1755 transitions. [2021-06-10 22:16:56,855 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 210 transitions, 2454 flow [2021-06-10 22:16:56,863 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 210 transitions, 2206 flow, removed 29 selfloop flow, removed 18 redundant places. [2021-06-10 22:16:56,865 INFO L241 Difference]: Finished difference. Result has 145 places, 169 transitions, 1893 flow [2021-06-10 22:16:56,865 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=264, PETRI_DIFFERENCE_MINUEND_FLOW=1398, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=77, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=1893, PETRI_PLACES=145, PETRI_TRANSITIONS=169} [2021-06-10 22:16:56,865 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 118 predicate places. [2021-06-10 22:16:56,866 INFO L480 AbstractCegarLoop]: Abstraction has has 145 places, 169 transitions, 1893 flow [2021-06-10 22:16:56,866 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 75.0625) internal successors, (1201), 16 states have internal predecessors, (1201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:56,866 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 22:16:56,866 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 22:16:56,866 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-06-10 22:16:56,866 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]=== [2021-06-10 22:16:56,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 22:16:56,866 INFO L82 PathProgramCache]: Analyzing trace with hash 2147418293, now seen corresponding path program 2 times [2021-06-10 22:16:56,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 22:16:56,867 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710922490] [2021-06-10 22:16:56,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 22:16:56,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 22:16:56,899 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.7 percent of original size [2021-06-10 22:16:56,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 22:16:56,904 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.9 percent of original size [2021-06-10 22:16:56,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 22:16:56,911 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.0 percent of original size [2021-06-10 22:16:56,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 22:16:56,920 INFO L142 QuantifierPusher]: treesize reduction 29, result has 69.1 percent of original size [2021-06-10 22:16:56,920 INFO L147 QuantifierPusher]: treesize reduction 7, result has 89.2 percent of original size 58 [2021-06-10 22:16:56,945 INFO L142 QuantifierPusher]: treesize reduction 41, result has 62.4 percent of original size [2021-06-10 22:16:56,945 INFO L147 QuantifierPusher]: treesize reduction 7, result has 89.7 percent of original size 61 [2021-06-10 22:16:56,976 INFO L142 QuantifierPusher]: treesize reduction 27, result has 75.9 percent of original size [2021-06-10 22:16:56,982 INFO L147 QuantifierPusher]: treesize reduction 6, result has 92.9 percent of original size 79 [2021-06-10 22:16:56,991 INFO L142 QuantifierPusher]: treesize reduction 33, result has 72.5 percent of original size [2021-06-10 22:16:56,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-06-10 22:16:57,036 INFO L142 QuantifierPusher]: treesize reduction 31, result has 75.8 percent of original size [2021-06-10 22:16:57,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-06-10 22:16:57,048 INFO L142 QuantifierPusher]: treesize reduction 73, result has 64.2 percent of original size [2021-06-10 22:16:57,049 INFO L147 QuantifierPusher]: treesize reduction 7, result has 94.7 percent of original size 124 [2021-06-10 22:16:57,104 INFO L142 QuantifierPusher]: treesize reduction 52, result has 47.5 percent of original size [2021-06-10 22:16:57,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 22:16:57,133 INFO L142 QuantifierPusher]: treesize reduction 54, result has 77.2 percent of original size [2021-06-10 22:16:57,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-06-10 22:16:57,147 INFO L142 QuantifierPusher]: treesize reduction 8, result has 72.4 percent of original size [2021-06-10 22:16:57,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 22:16:57,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:57,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 22:16:57,173 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.0 percent of original size [2021-06-10 22:16:57,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 22:16:57,192 INFO L142 QuantifierPusher]: treesize reduction 14, result has 33.3 percent of original size [2021-06-10 22:16:57,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 22:16:57,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 22:16:57,203 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710922490] [2021-06-10 22:16:57,203 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 22:16:57,203 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-10 22:16:57,203 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152107077] [2021-06-10 22:16:57,204 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-10 22:16:57,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 22:16:57,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-10 22:16:57,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-06-10 22:16:57,205 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 264 [2021-06-10 22:16:57,205 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 169 transitions, 1893 flow. Second operand has 14 states, 14 states have (on average 88.21428571428571) internal successors, (1235), 14 states have internal predecessors, (1235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:57,205 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 22:16:57,206 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 264 [2021-06-10 22:16:57,206 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 22:16:58,027 INFO L129 PetriNetUnfolder]: 438/827 cut-off events. [2021-06-10 22:16:58,027 INFO L130 PetriNetUnfolder]: For 3260/3262 co-relation queries the response was YES. [2021-06-10 22:16:58,029 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4027 conditions, 827 events. 438/827 cut-off events. For 3260/3262 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 3352 event pairs, 130 based on Foata normal form. 19/777 useless extension candidates. Maximal degree in co-relation 3986. Up to 561 conditions per place. [2021-06-10 22:16:58,032 INFO L132 encePairwiseOnDemand]: 248/264 looper letters, 149 selfloop transitions, 65 changer transitions 0/216 dead transitions. [2021-06-10 22:16:58,032 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 216 transitions, 2567 flow [2021-06-10 22:16:58,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-10 22:16:58,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-06-10 22:16:58,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1497 transitions. [2021-06-10 22:16:58,034 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3544034090909091 [2021-06-10 22:16:58,034 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1497 transitions. [2021-06-10 22:16:58,034 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1497 transitions. [2021-06-10 22:16:58,034 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 22:16:58,034 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1497 transitions. [2021-06-10 22:16:58,036 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 93.5625) internal successors, (1497), 16 states have internal predecessors, (1497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:58,039 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 264.0) internal successors, (4488), 17 states have internal predecessors, (4488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:58,039 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 264.0) internal successors, (4488), 17 states have internal predecessors, (4488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:58,039 INFO L185 Difference]: Start difference. First operand has 145 places, 169 transitions, 1893 flow. Second operand 16 states and 1497 transitions. [2021-06-10 22:16:58,039 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 216 transitions, 2567 flow [2021-06-10 22:16:58,050 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 216 transitions, 2390 flow, removed 32 selfloop flow, removed 9 redundant places. [2021-06-10 22:16:58,052 INFO L241 Difference]: Finished difference. Result has 157 places, 179 transitions, 1957 flow [2021-06-10 22:16:58,053 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=264, PETRI_DIFFERENCE_MINUEND_FLOW=1726, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=1957, PETRI_PLACES=157, PETRI_TRANSITIONS=179} [2021-06-10 22:16:58,053 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 130 predicate places. [2021-06-10 22:16:58,053 INFO L480 AbstractCegarLoop]: Abstraction has has 157 places, 179 transitions, 1957 flow [2021-06-10 22:16:58,053 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 88.21428571428571) internal successors, (1235), 14 states have internal predecessors, (1235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:58,053 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 22:16:58,053 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 22:16:58,053 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-06-10 22:16:58,053 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]=== [2021-06-10 22:16:58,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 22:16:58,054 INFO L82 PathProgramCache]: Analyzing trace with hash 382769319, now seen corresponding path program 3 times [2021-06-10 22:16:58,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 22:16:58,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537537190] [2021-06-10 22:16:58,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 22:16:58,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 22:16:58,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:58,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 22:16:58,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:58,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-10 22:16:58,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:58,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-10 22:16:58,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:58,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-10 22:16:58,162 INFO L142 QuantifierPusher]: treesize reduction 39, result has 65.5 percent of original size [2021-06-10 22:16:58,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-06-10 22:16:58,198 INFO L142 QuantifierPusher]: treesize reduction 451, result has 42.8 percent of original size [2021-06-10 22:16:58,201 INFO L147 QuantifierPusher]: treesize reduction 114, result has 66.2 percent of original size 223 [2021-06-10 22:16:58,272 INFO L142 QuantifierPusher]: treesize reduction 71, result has 48.6 percent of original size [2021-06-10 22:16:58,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-06-10 22:16:58,282 INFO L142 QuantifierPusher]: treesize reduction 98, result has 53.8 percent of original size [2021-06-10 22:16:58,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 114 [2021-06-10 22:16:58,326 INFO L142 QuantifierPusher]: treesize reduction 109, result has 56.9 percent of original size [2021-06-10 22:16:58,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-06-10 22:16:58,378 INFO L142 QuantifierPusher]: treesize reduction 56, result has 49.1 percent of original size [2021-06-10 22:16:58,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-10 22:16:58,418 INFO L142 QuantifierPusher]: treesize reduction 56, result has 77.4 percent of original size [2021-06-10 22:16:58,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-06-10 22:16:58,434 INFO L142 QuantifierPusher]: treesize reduction 13, result has 64.9 percent of original size [2021-06-10 22:16:58,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 22:16:58,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:58,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 22:16:58,461 INFO L142 QuantifierPusher]: treesize reduction 8, result has 80.0 percent of original size [2021-06-10 22:16:58,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 22:16:58,482 INFO L142 QuantifierPusher]: treesize reduction 10, result has 50.0 percent of original size [2021-06-10 22:16:58,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 22:16:58,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 22:16:58,494 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537537190] [2021-06-10 22:16:58,494 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 22:16:58,494 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-06-10 22:16:58,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701056956] [2021-06-10 22:16:58,495 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-10 22:16:58,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 22:16:58,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-10 22:16:58,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2021-06-10 22:16:58,496 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 264 [2021-06-10 22:16:58,496 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 179 transitions, 1957 flow. Second operand has 15 states, 15 states have (on average 82.13333333333334) internal successors, (1232), 15 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:58,497 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 22:16:58,497 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 264 [2021-06-10 22:16:58,497 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 22:16:59,369 INFO L129 PetriNetUnfolder]: 586/1096 cut-off events. [2021-06-10 22:16:59,369 INFO L130 PetriNetUnfolder]: For 5184/5184 co-relation queries the response was YES. [2021-06-10 22:16:59,373 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5278 conditions, 1096 events. 586/1096 cut-off events. For 5184/5184 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 4800 event pairs, 164 based on Foata normal form. 14/1047 useless extension candidates. Maximal degree in co-relation 5231. Up to 704 conditions per place. [2021-06-10 22:16:59,377 INFO L132 encePairwiseOnDemand]: 248/264 looper letters, 173 selfloop transitions, 78 changer transitions 0/253 dead transitions. [2021-06-10 22:16:59,377 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 253 transitions, 2995 flow [2021-06-10 22:16:59,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-10 22:16:59,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-06-10 22:16:59,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1404 transitions. [2021-06-10 22:16:59,379 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.33238636363636365 [2021-06-10 22:16:59,379 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1404 transitions. [2021-06-10 22:16:59,379 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1404 transitions. [2021-06-10 22:16:59,379 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 22:16:59,379 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1404 transitions. [2021-06-10 22:16:59,380 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 87.75) internal successors, (1404), 16 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:59,383 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 264.0) internal successors, (4488), 17 states have internal predecessors, (4488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:59,383 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 264.0) internal successors, (4488), 17 states have internal predecessors, (4488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:59,383 INFO L185 Difference]: Start difference. First operand has 157 places, 179 transitions, 1957 flow. Second operand 16 states and 1404 transitions. [2021-06-10 22:16:59,383 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 253 transitions, 2995 flow [2021-06-10 22:16:59,398 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 253 transitions, 2849 flow, removed 23 selfloop flow, removed 10 redundant places. [2021-06-10 22:16:59,401 INFO L241 Difference]: Finished difference. Result has 168 places, 207 transitions, 2327 flow [2021-06-10 22:16:59,401 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=264, PETRI_DIFFERENCE_MINUEND_FLOW=1832, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=2327, PETRI_PLACES=168, PETRI_TRANSITIONS=207} [2021-06-10 22:16:59,401 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 141 predicate places. [2021-06-10 22:16:59,401 INFO L480 AbstractCegarLoop]: Abstraction has has 168 places, 207 transitions, 2327 flow [2021-06-10 22:16:59,401 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 82.13333333333334) internal successors, (1232), 15 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:59,401 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 22:16:59,402 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 22:16:59,402 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-06-10 22:16:59,402 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]=== [2021-06-10 22:16:59,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 22:16:59,402 INFO L82 PathProgramCache]: Analyzing trace with hash 762863931, now seen corresponding path program 4 times [2021-06-10 22:16:59,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 22:16:59,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477276952] [2021-06-10 22:16:59,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 22:16:59,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 22:16:59,432 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.7 percent of original size [2021-06-10 22:16:59,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 22:16:59,437 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.9 percent of original size [2021-06-10 22:16:59,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 22:16:59,444 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.0 percent of original size [2021-06-10 22:16:59,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 22:16:59,453 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.9 percent of original size [2021-06-10 22:16:59,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-10 22:16:59,464 INFO L142 QuantifierPusher]: treesize reduction 23, result has 72.3 percent of original size [2021-06-10 22:16:59,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-06-10 22:16:59,493 INFO L142 QuantifierPusher]: treesize reduction 23, result has 73.3 percent of original size [2021-06-10 22:16:59,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-06-10 22:16:59,526 INFO L142 QuantifierPusher]: treesize reduction 20, result has 80.0 percent of original size [2021-06-10 22:16:59,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-06-10 22:16:59,536 INFO L142 QuantifierPusher]: treesize reduction 63, result has 63.8 percent of original size [2021-06-10 22:16:59,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-06-10 22:16:59,575 INFO L142 QuantifierPusher]: treesize reduction 44, result has 40.5 percent of original size [2021-06-10 22:16:59,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-10 22:16:59,590 INFO L142 QuantifierPusher]: treesize reduction 53, result has 53.9 percent of original size [2021-06-10 22:16:59,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-06-10 22:16:59,626 INFO L142 QuantifierPusher]: treesize reduction 47, result has 74.5 percent of original size [2021-06-10 22:16:59,627 INFO L147 QuantifierPusher]: treesize reduction 3, result has 97.8 percent of original size 134 [2021-06-10 22:16:59,641 INFO L142 QuantifierPusher]: treesize reduction 8, result has 75.0 percent of original size [2021-06-10 22:16:59,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 22:16:59,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:59,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 22:16:59,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:16:59,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 22:16:59,682 INFO L142 QuantifierPusher]: treesize reduction 14, result has 33.3 percent of original size [2021-06-10 22:16:59,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 22:16:59,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 22:16:59,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477276952] [2021-06-10 22:16:59,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 22:16:59,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-06-10 22:16:59,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137808645] [2021-06-10 22:16:59,693 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-10 22:16:59,693 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 22:16:59,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-10 22:16:59,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2021-06-10 22:16:59,694 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 264 [2021-06-10 22:16:59,695 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 207 transitions, 2327 flow. Second operand has 15 states, 15 states have (on average 82.13333333333334) internal successors, (1232), 15 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:16:59,695 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 22:16:59,695 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 264 [2021-06-10 22:16:59,695 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 22:17:00,538 INFO L129 PetriNetUnfolder]: 859/1585 cut-off events. [2021-06-10 22:17:00,538 INFO L130 PetriNetUnfolder]: For 7825/7827 co-relation queries the response was YES. [2021-06-10 22:17:00,543 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7634 conditions, 1585 events. 859/1585 cut-off events. For 7825/7827 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 7596 event pairs, 220 based on Foata normal form. 16/1506 useless extension candidates. Maximal degree in co-relation 7582. Up to 978 conditions per place. [2021-06-10 22:17:00,549 INFO L132 encePairwiseOnDemand]: 248/264 looper letters, 192 selfloop transitions, 99 changer transitions 0/293 dead transitions. [2021-06-10 22:17:00,549 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 293 transitions, 3551 flow [2021-06-10 22:17:00,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-10 22:17:00,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-06-10 22:17:00,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1403 transitions. [2021-06-10 22:17:00,551 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3321496212121212 [2021-06-10 22:17:00,551 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1403 transitions. [2021-06-10 22:17:00,551 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1403 transitions. [2021-06-10 22:17:00,551 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 22:17:00,551 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1403 transitions. [2021-06-10 22:17:00,553 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 87.6875) internal successors, (1403), 16 states have internal predecessors, (1403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:17:00,555 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 264.0) internal successors, (4488), 17 states have internal predecessors, (4488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:17:00,556 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 264.0) internal successors, (4488), 17 states have internal predecessors, (4488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:17:00,556 INFO L185 Difference]: Start difference. First operand has 168 places, 207 transitions, 2327 flow. Second operand 16 states and 1403 transitions. [2021-06-10 22:17:00,556 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 293 transitions, 3551 flow [2021-06-10 22:17:00,580 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 293 transitions, 3456 flow, removed 28 selfloop flow, removed 5 redundant places. [2021-06-10 22:17:00,583 INFO L241 Difference]: Finished difference. Result has 184 places, 249 transitions, 3001 flow [2021-06-10 22:17:00,583 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=264, PETRI_DIFFERENCE_MINUEND_FLOW=2256, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=3001, PETRI_PLACES=184, PETRI_TRANSITIONS=249} [2021-06-10 22:17:00,583 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 157 predicate places. [2021-06-10 22:17:00,583 INFO L480 AbstractCegarLoop]: Abstraction has has 184 places, 249 transitions, 3001 flow [2021-06-10 22:17:00,584 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 82.13333333333334) internal successors, (1232), 15 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:17:00,584 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 22:17:00,584 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 22:17:00,584 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-06-10 22:17:00,584 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]=== [2021-06-10 22:17:00,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 22:17:00,584 INFO L82 PathProgramCache]: Analyzing trace with hash 785132349, now seen corresponding path program 5 times [2021-06-10 22:17:00,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 22:17:00,585 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40562590] [2021-06-10 22:17:00,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 22:17:00,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 22:17:00,615 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.7 percent of original size [2021-06-10 22:17:00,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 22:17:00,619 INFO L142 QuantifierPusher]: treesize reduction 3, result has 92.7 percent of original size [2021-06-10 22:17:00,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-10 22:17:00,632 INFO L142 QuantifierPusher]: treesize reduction 3, result has 93.2 percent of original size [2021-06-10 22:17:00,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-10 22:17:00,649 INFO L142 QuantifierPusher]: treesize reduction 3, result has 93.6 percent of original size [2021-06-10 22:17:00,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-06-10 22:17:00,669 INFO L142 QuantifierPusher]: treesize reduction 26, result has 74.0 percent of original size [2021-06-10 22:17:00,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-06-10 22:17:00,710 INFO L142 QuantifierPusher]: treesize reduction 371, result has 28.4 percent of original size [2021-06-10 22:17:00,711 INFO L147 QuantifierPusher]: treesize reduction 22, result has 85.0 percent of original size 125 [2021-06-10 22:17:00,745 INFO L142 QuantifierPusher]: treesize reduction 65, result has 53.2 percent of original size [2021-06-10 22:17:00,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-06-10 22:17:00,749 INFO L142 QuantifierPusher]: treesize reduction 91, result has 56.3 percent of original size [2021-06-10 22:17:00,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 117 [2021-06-10 22:17:00,789 INFO L142 QuantifierPusher]: treesize reduction 41, result has 46.8 percent of original size [2021-06-10 22:17:00,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-10 22:17:00,810 INFO L142 QuantifierPusher]: treesize reduction 41, result has 80.9 percent of original size [2021-06-10 22:17:00,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 174 [2021-06-10 22:17:00,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:00,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 22:17:00,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:00,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 22:17:00,847 INFO L142 QuantifierPusher]: treesize reduction 8, result has 80.0 percent of original size [2021-06-10 22:17:00,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 22:17:00,868 INFO L142 QuantifierPusher]: treesize reduction 10, result has 50.0 percent of original size [2021-06-10 22:17:00,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 22:17:00,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 22:17:00,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40562590] [2021-06-10 22:17:00,879 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 22:17:00,879 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-10 22:17:00,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271399739] [2021-06-10 22:17:00,880 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-10 22:17:00,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 22:17:00,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-10 22:17:00,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2021-06-10 22:17:00,881 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 264 [2021-06-10 22:17:00,881 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 249 transitions, 3001 flow. Second operand has 14 states, 14 states have (on average 88.21428571428571) internal successors, (1235), 14 states have internal predecessors, (1235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:17:00,881 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 22:17:00,881 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 264 [2021-06-10 22:17:00,881 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 22:17:01,695 INFO L129 PetriNetUnfolder]: 946/1727 cut-off events. [2021-06-10 22:17:01,695 INFO L130 PetriNetUnfolder]: For 10980/10980 co-relation queries the response was YES. [2021-06-10 22:17:01,702 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8864 conditions, 1727 events. 946/1727 cut-off events. For 10980/10980 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 8450 event pairs, 143 based on Foata normal form. 14/1629 useless extension candidates. Maximal degree in co-relation 8805. Up to 707 conditions per place. [2021-06-10 22:17:01,714 INFO L132 encePairwiseOnDemand]: 249/264 looper letters, 162 selfloop transitions, 134 changer transitions 0/298 dead transitions. [2021-06-10 22:17:01,714 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 298 transitions, 3913 flow [2021-06-10 22:17:01,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-10 22:17:01,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-06-10 22:17:01,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1408 transitions. [2021-06-10 22:17:01,716 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.35555555555555557 [2021-06-10 22:17:01,716 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1408 transitions. [2021-06-10 22:17:01,716 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1408 transitions. [2021-06-10 22:17:01,717 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 22:17:01,717 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1408 transitions. [2021-06-10 22:17:01,719 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 93.86666666666666) internal successors, (1408), 15 states have internal predecessors, (1408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:17:01,722 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 264.0) internal successors, (4224), 16 states have internal predecessors, (4224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:17:01,722 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 264.0) internal successors, (4224), 16 states have internal predecessors, (4224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:17:01,722 INFO L185 Difference]: Start difference. First operand has 184 places, 249 transitions, 3001 flow. Second operand 15 states and 1408 transitions. [2021-06-10 22:17:01,722 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 298 transitions, 3913 flow [2021-06-10 22:17:01,755 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 298 transitions, 3804 flow, removed 19 selfloop flow, removed 7 redundant places. [2021-06-10 22:17:01,761 INFO L241 Difference]: Finished difference. Result has 196 places, 259 transitions, 3415 flow [2021-06-10 22:17:01,762 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=264, PETRI_DIFFERENCE_MINUEND_FLOW=2892, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=249, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=127, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=3415, PETRI_PLACES=196, PETRI_TRANSITIONS=259} [2021-06-10 22:17:01,762 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 169 predicate places. [2021-06-10 22:17:01,762 INFO L480 AbstractCegarLoop]: Abstraction has has 196 places, 259 transitions, 3415 flow [2021-06-10 22:17:01,762 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 88.21428571428571) internal successors, (1235), 14 states have internal predecessors, (1235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:17:01,762 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 22:17:01,762 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 22:17:01,762 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-06-10 22:17:01,762 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]=== [2021-06-10 22:17:01,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 22:17:01,763 INFO L82 PathProgramCache]: Analyzing trace with hash -1690326327, now seen corresponding path program 6 times [2021-06-10 22:17:01,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 22:17:01,763 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263736976] [2021-06-10 22:17:01,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 22:17:01,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 22:17:01,798 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size [2021-06-10 22:17:01,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 22:17:01,805 INFO L142 QuantifierPusher]: treesize reduction 3, result has 92.1 percent of original size [2021-06-10 22:17:01,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-10 22:17:01,816 INFO L142 QuantifierPusher]: treesize reduction 3, result has 92.7 percent of original size [2021-06-10 22:17:01,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-10 22:17:01,829 INFO L142 QuantifierPusher]: treesize reduction 3, result has 93.2 percent of original size [2021-06-10 22:17:01,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-10 22:17:01,851 INFO L142 QuantifierPusher]: treesize reduction 45, result has 59.5 percent of original size [2021-06-10 22:17:01,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-06-10 22:17:01,883 INFO L142 QuantifierPusher]: treesize reduction 52, result has 59.1 percent of original size [2021-06-10 22:17:01,884 INFO L147 QuantifierPusher]: treesize reduction 6, result has 92.0 percent of original size 69 [2021-06-10 22:17:01,920 INFO L142 QuantifierPusher]: treesize reduction 45, result has 65.9 percent of original size [2021-06-10 22:17:01,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-06-10 22:17:01,929 INFO L142 QuantifierPusher]: treesize reduction 40, result has 75.6 percent of original size [2021-06-10 22:17:01,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2021-06-10 22:17:01,973 INFO L142 QuantifierPusher]: treesize reduction 83, result has 69.9 percent of original size [2021-06-10 22:17:01,974 INFO L147 QuantifierPusher]: treesize reduction 7, result has 96.4 percent of original size 186 [2021-06-10 22:17:02,030 INFO L142 QuantifierPusher]: treesize reduction 63, result has 50.8 percent of original size [2021-06-10 22:17:02,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-06-10 22:17:02,062 INFO L142 QuantifierPusher]: treesize reduction 64, result has 80.9 percent of original size [2021-06-10 22:17:02,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 271 [2021-06-10 22:17:02,137 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-06-10 22:17:02,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-10 22:17:02,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:02,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 22:17:02,169 INFO L142 QuantifierPusher]: treesize reduction 10, result has 80.4 percent of original size [2021-06-10 22:17:02,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-10 22:17:02,194 INFO L142 QuantifierPusher]: treesize reduction 14, result has 33.3 percent of original size [2021-06-10 22:17:02,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 22:17:02,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 22:17:02,206 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263736976] [2021-06-10 22:17:02,206 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 22:17:02,206 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-06-10 22:17:02,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715046838] [2021-06-10 22:17:02,206 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-10 22:17:02,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 22:17:02,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-10 22:17:02,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2021-06-10 22:17:02,208 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 264 [2021-06-10 22:17:02,208 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 259 transitions, 3415 flow. Second operand has 16 states, 16 states have (on average 75.0625) internal successors, (1201), 16 states have internal predecessors, (1201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:17:02,208 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 22:17:02,208 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 264 [2021-06-10 22:17:02,208 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 22:17:03,663 INFO L129 PetriNetUnfolder]: 1006/1850 cut-off events. [2021-06-10 22:17:03,663 INFO L130 PetriNetUnfolder]: For 14597/14599 co-relation queries the response was YES. [2021-06-10 22:17:03,672 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10227 conditions, 1850 events. 1006/1850 cut-off events. For 14597/14599 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 9314 event pairs, 369 based on Foata normal form. 16/1754 useless extension candidates. Maximal degree in co-relation 10162. Up to 1610 conditions per place. [2021-06-10 22:17:03,677 INFO L132 encePairwiseOnDemand]: 247/264 looper letters, 244 selfloop transitions, 77 changer transitions 0/323 dead transitions. [2021-06-10 22:17:03,678 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 323 transitions, 4551 flow [2021-06-10 22:17:03,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-10 22:17:03,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-06-10 22:17:03,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1675 transitions. [2021-06-10 22:17:03,680 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.30212842712842713 [2021-06-10 22:17:03,680 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1675 transitions. [2021-06-10 22:17:03,680 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1675 transitions. [2021-06-10 22:17:03,680 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 22:17:03,680 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1675 transitions. [2021-06-10 22:17:03,681 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 79.76190476190476) internal successors, (1675), 21 states have internal predecessors, (1675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:17:03,684 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 264.0) internal successors, (5808), 22 states have internal predecessors, (5808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:17:03,684 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 264.0) internal successors, (5808), 22 states have internal predecessors, (5808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:17:03,685 INFO L185 Difference]: Start difference. First operand has 196 places, 259 transitions, 3415 flow. Second operand 21 states and 1675 transitions. [2021-06-10 22:17:03,685 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 323 transitions, 4551 flow [2021-06-10 22:17:03,731 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 323 transitions, 4331 flow, removed 50 selfloop flow, removed 10 redundant places. [2021-06-10 22:17:03,735 INFO L241 Difference]: Finished difference. Result has 213 places, 285 transitions, 3725 flow [2021-06-10 22:17:03,736 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=264, PETRI_DIFFERENCE_MINUEND_FLOW=3242, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=259, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=196, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=3725, PETRI_PLACES=213, PETRI_TRANSITIONS=285} [2021-06-10 22:17:03,736 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 186 predicate places. [2021-06-10 22:17:03,736 INFO L480 AbstractCegarLoop]: Abstraction has has 213 places, 285 transitions, 3725 flow [2021-06-10 22:17:03,736 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 75.0625) internal successors, (1201), 16 states have internal predecessors, (1201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:17:03,736 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 22:17:03,736 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 22:17:03,736 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-06-10 22:17:03,736 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]=== [2021-06-10 22:17:03,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 22:17:03,737 INFO L82 PathProgramCache]: Analyzing trace with hash -151038635, now seen corresponding path program 7 times [2021-06-10 22:17:03,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 22:17:03,737 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692072229] [2021-06-10 22:17:03,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 22:17:03,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 22:17:03,782 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.7 percent of original size [2021-06-10 22:17:03,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 22:17:03,787 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.9 percent of original size [2021-06-10 22:17:03,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 22:17:03,794 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.0 percent of original size [2021-06-10 22:17:03,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 22:17:03,803 INFO L142 QuantifierPusher]: treesize reduction 23, result has 69.3 percent of original size [2021-06-10 22:17:03,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-06-10 22:17:03,826 INFO L142 QuantifierPusher]: treesize reduction 23, result has 70.5 percent of original size [2021-06-10 22:17:03,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-06-10 22:17:03,854 INFO L142 QuantifierPusher]: treesize reduction 20, result has 78.3 percent of original size [2021-06-10 22:17:03,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-06-10 22:17:03,862 INFO L142 QuantifierPusher]: treesize reduction 58, result has 65.1 percent of original size [2021-06-10 22:17:03,863 INFO L147 QuantifierPusher]: treesize reduction 5, result has 95.4 percent of original size 103 [2021-06-10 22:17:03,912 INFO L142 QuantifierPusher]: treesize reduction 63, result has 63.8 percent of original size [2021-06-10 22:17:03,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-06-10 22:17:03,953 INFO L142 QuantifierPusher]: treesize reduction 44, result has 40.5 percent of original size [2021-06-10 22:17:03,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-10 22:17:03,968 INFO L142 QuantifierPusher]: treesize reduction 41, result has 71.3 percent of original size [2021-06-10 22:17:03,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-06-10 22:17:03,981 INFO L142 QuantifierPusher]: treesize reduction 47, result has 74.5 percent of original size [2021-06-10 22:17:03,981 INFO L147 QuantifierPusher]: treesize reduction 3, result has 97.8 percent of original size 134 [2021-06-10 22:17:04,037 INFO L142 QuantifierPusher]: treesize reduction 8, result has 75.0 percent of original size [2021-06-10 22:17:04,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 22:17:04,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:04,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 22:17:04,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:04,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 22:17:04,081 INFO L142 QuantifierPusher]: treesize reduction 14, result has 33.3 percent of original size [2021-06-10 22:17:04,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 22:17:04,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 22:17:04,092 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692072229] [2021-06-10 22:17:04,092 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 22:17:04,092 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-06-10 22:17:04,092 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72321049] [2021-06-10 22:17:04,093 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-10 22:17:04,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 22:17:04,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-10 22:17:04,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2021-06-10 22:17:04,094 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 264 [2021-06-10 22:17:04,095 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 285 transitions, 3725 flow. Second operand has 15 states, 15 states have (on average 81.13333333333334) internal successors, (1217), 15 states have internal predecessors, (1217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:17:04,095 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 22:17:04,095 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 264 [2021-06-10 22:17:04,095 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 22:17:05,033 INFO L129 PetriNetUnfolder]: 1078/1981 cut-off events. [2021-06-10 22:17:05,033 INFO L130 PetriNetUnfolder]: For 14300/14300 co-relation queries the response was YES. [2021-06-10 22:17:05,042 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10798 conditions, 1981 events. 1078/1981 cut-off events. For 14300/14300 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 10173 event pairs, 403 based on Foata normal form. 14/1874 useless extension candidates. Maximal degree in co-relation 10727. Up to 1608 conditions per place. [2021-06-10 22:17:05,048 INFO L132 encePairwiseOnDemand]: 248/264 looper letters, 229 selfloop transitions, 109 changer transitions 0/340 dead transitions. [2021-06-10 22:17:05,048 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 340 transitions, 4780 flow [2021-06-10 22:17:05,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-10 22:17:05,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-06-10 22:17:05,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1385 transitions. [2021-06-10 22:17:05,054 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.32788825757575757 [2021-06-10 22:17:05,054 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1385 transitions. [2021-06-10 22:17:05,054 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1385 transitions. [2021-06-10 22:17:05,055 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 22:17:05,055 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1385 transitions. [2021-06-10 22:17:05,056 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 86.5625) internal successors, (1385), 16 states have internal predecessors, (1385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:17:05,058 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 264.0) internal successors, (4488), 17 states have internal predecessors, (4488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:17:05,058 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 264.0) internal successors, (4488), 17 states have internal predecessors, (4488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:17:05,058 INFO L185 Difference]: Start difference. First operand has 213 places, 285 transitions, 3725 flow. Second operand 16 states and 1385 transitions. [2021-06-10 22:17:05,058 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 340 transitions, 4780 flow [2021-06-10 22:17:05,106 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 340 transitions, 4618 flow, removed 47 selfloop flow, removed 7 redundant places. [2021-06-10 22:17:05,111 INFO L241 Difference]: Finished difference. Result has 227 places, 299 transitions, 3988 flow [2021-06-10 22:17:05,111 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=264, PETRI_DIFFERENCE_MINUEND_FLOW=3563, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=98, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=3988, PETRI_PLACES=227, PETRI_TRANSITIONS=299} [2021-06-10 22:17:05,111 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 200 predicate places. [2021-06-10 22:17:05,111 INFO L480 AbstractCegarLoop]: Abstraction has has 227 places, 299 transitions, 3988 flow [2021-06-10 22:17:05,112 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 81.13333333333334) internal successors, (1217), 15 states have internal predecessors, (1217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:17:05,112 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 22:17:05,112 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 22:17:05,112 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-06-10 22:17:05,112 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]=== [2021-06-10 22:17:05,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 22:17:05,112 INFO L82 PathProgramCache]: Analyzing trace with hash -229912375, now seen corresponding path program 8 times [2021-06-10 22:17:05,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 22:17:05,113 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428515059] [2021-06-10 22:17:05,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 22:17:05,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 22:17:05,152 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.7 percent of original size [2021-06-10 22:17:05,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 22:17:05,157 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.9 percent of original size [2021-06-10 22:17:05,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 22:17:05,164 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.0 percent of original size [2021-06-10 22:17:05,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 22:17:05,172 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.9 percent of original size [2021-06-10 22:17:05,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-10 22:17:05,184 INFO L142 QuantifierPusher]: treesize reduction 22, result has 73.2 percent of original size [2021-06-10 22:17:05,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-06-10 22:17:05,214 INFO L142 QuantifierPusher]: treesize reduction 28, result has 71.1 percent of original size [2021-06-10 22:17:05,215 INFO L147 QuantifierPusher]: treesize reduction 6, result has 91.3 percent of original size 63 [2021-06-10 22:17:05,251 INFO L142 QuantifierPusher]: treesize reduction 20, result has 80.0 percent of original size [2021-06-10 22:17:05,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-06-10 22:17:05,260 INFO L142 QuantifierPusher]: treesize reduction 67, result has 63.4 percent of original size [2021-06-10 22:17:05,261 INFO L147 QuantifierPusher]: treesize reduction 9, result has 92.2 percent of original size 107 [2021-06-10 22:17:05,301 INFO L142 QuantifierPusher]: treesize reduction 49, result has 38.0 percent of original size [2021-06-10 22:17:05,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-10 22:17:05,337 INFO L142 QuantifierPusher]: treesize reduction 46, result has 68.9 percent of original size [2021-06-10 22:17:05,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-06-10 22:17:05,352 INFO L142 QuantifierPusher]: treesize reduction 52, result has 72.0 percent of original size [2021-06-10 22:17:05,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-06-10 22:17:05,396 INFO L142 QuantifierPusher]: treesize reduction 9, result has 72.7 percent of original size [2021-06-10 22:17:05,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 22:17:05,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:05,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 22:17:05,423 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.0 percent of original size [2021-06-10 22:17:05,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 22:17:05,440 INFO L142 QuantifierPusher]: treesize reduction 14, result has 33.3 percent of original size [2021-06-10 22:17:05,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 22:17:05,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 22:17:05,452 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428515059] [2021-06-10 22:17:05,452 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 22:17:05,452 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-06-10 22:17:05,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311059714] [2021-06-10 22:17:05,452 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-10 22:17:05,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 22:17:05,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-10 22:17:05,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2021-06-10 22:17:05,454 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 264 [2021-06-10 22:17:05,454 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 299 transitions, 3988 flow. Second operand has 15 states, 15 states have (on average 81.13333333333334) internal successors, (1217), 15 states have internal predecessors, (1217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:17:05,454 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 22:17:05,454 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 264 [2021-06-10 22:17:05,454 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 22:17:06,432 INFO L129 PetriNetUnfolder]: 1214/2226 cut-off events. [2021-06-10 22:17:06,432 INFO L130 PetriNetUnfolder]: For 15918/15920 co-relation queries the response was YES. [2021-06-10 22:17:06,444 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11955 conditions, 2226 events. 1214/2226 cut-off events. For 15918/15920 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 11757 event pairs, 437 based on Foata normal form. 16/2106 useless extension candidates. Maximal degree in co-relation 11877. Up to 1852 conditions per place. [2021-06-10 22:17:06,450 INFO L132 encePairwiseOnDemand]: 248/264 looper letters, 292 selfloop transitions, 68 changer transitions 0/362 dead transitions. [2021-06-10 22:17:06,450 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 242 places, 362 transitions, 5121 flow [2021-06-10 22:17:06,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-10 22:17:06,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-06-10 22:17:06,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1388 transitions. [2021-06-10 22:17:06,454 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.32859848484848486 [2021-06-10 22:17:06,454 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1388 transitions. [2021-06-10 22:17:06,454 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1388 transitions. [2021-06-10 22:17:06,454 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 22:17:06,454 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1388 transitions. [2021-06-10 22:17:06,455 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 86.75) internal successors, (1388), 16 states have internal predecessors, (1388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:17:06,457 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 264.0) internal successors, (4488), 17 states have internal predecessors, (4488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:17:06,457 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 264.0) internal successors, (4488), 17 states have internal predecessors, (4488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:17:06,457 INFO L185 Difference]: Start difference. First operand has 227 places, 299 transitions, 3988 flow. Second operand 16 states and 1388 transitions. [2021-06-10 22:17:06,457 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 242 places, 362 transitions, 5121 flow [2021-06-10 22:17:06,519 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 362 transitions, 4952 flow, removed 49 selfloop flow, removed 6 redundant places. [2021-06-10 22:17:06,523 INFO L241 Difference]: Finished difference. Result has 242 places, 321 transitions, 4257 flow [2021-06-10 22:17:06,524 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=264, PETRI_DIFFERENCE_MINUEND_FLOW=3819, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=237, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=4257, PETRI_PLACES=242, PETRI_TRANSITIONS=321} [2021-06-10 22:17:06,524 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 215 predicate places. [2021-06-10 22:17:06,524 INFO L480 AbstractCegarLoop]: Abstraction has has 242 places, 321 transitions, 4257 flow [2021-06-10 22:17:06,524 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 81.13333333333334) internal successors, (1217), 15 states have internal predecessors, (1217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:17:06,524 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 22:17:06,524 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 22:17:06,524 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-06-10 22:17:06,524 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]=== [2021-06-10 22:17:06,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 22:17:06,525 INFO L82 PathProgramCache]: Analyzing trace with hash 1940610105, now seen corresponding path program 9 times [2021-06-10 22:17:06,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 22:17:06,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281829327] [2021-06-10 22:17:06,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 22:17:06,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 22:17:06,554 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.7 percent of original size [2021-06-10 22:17:06,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 22:17:06,559 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.9 percent of original size [2021-06-10 22:17:06,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 22:17:06,567 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.0 percent of original size [2021-06-10 22:17:06,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 22:17:06,576 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.9 percent of original size [2021-06-10 22:17:06,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-10 22:17:06,588 INFO L142 QuantifierPusher]: treesize reduction 23, result has 74.2 percent of original size [2021-06-10 22:17:06,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-06-10 22:17:06,622 INFO L142 QuantifierPusher]: treesize reduction 23, result has 77.2 percent of original size [2021-06-10 22:17:06,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-06-10 22:17:06,659 INFO L142 QuantifierPusher]: treesize reduction 38, result has 67.0 percent of original size [2021-06-10 22:17:06,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-06-10 22:17:06,668 INFO L142 QuantifierPusher]: treesize reduction 92, result has 47.4 percent of original size [2021-06-10 22:17:06,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-06-10 22:17:06,703 INFO L142 QuantifierPusher]: treesize reduction 46, result has 43.9 percent of original size [2021-06-10 22:17:06,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-10 22:17:06,729 INFO L142 QuantifierPusher]: treesize reduction 46, result has 79.1 percent of original size [2021-06-10 22:17:06,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 174 [2021-06-10 22:17:06,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:06,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 22:17:06,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:06,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 22:17:06,769 INFO L142 QuantifierPusher]: treesize reduction 8, result has 83.3 percent of original size [2021-06-10 22:17:06,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-06-10 22:17:06,794 INFO L142 QuantifierPusher]: treesize reduction 14, result has 33.3 percent of original size [2021-06-10 22:17:06,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 22:17:06,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 22:17:06,806 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281829327] [2021-06-10 22:17:06,806 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 22:17:06,806 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-10 22:17:06,807 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286736405] [2021-06-10 22:17:06,807 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-10 22:17:06,807 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 22:17:06,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-10 22:17:06,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-06-10 22:17:06,808 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 264 [2021-06-10 22:17:06,809 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 321 transitions, 4257 flow. Second operand has 14 states, 14 states have (on average 88.21428571428571) internal successors, (1235), 14 states have internal predecessors, (1235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:17:06,809 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 22:17:06,809 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 264 [2021-06-10 22:17:06,809 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 22:17:07,754 INFO L129 PetriNetUnfolder]: 1287/2357 cut-off events. [2021-06-10 22:17:07,754 INFO L130 PetriNetUnfolder]: For 18534/18534 co-relation queries the response was YES. [2021-06-10 22:17:07,768 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12871 conditions, 2357 events. 1287/2357 cut-off events. For 18534/18534 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 12691 event pairs, 412 based on Foata normal form. 14/2226 useless extension candidates. Maximal degree in co-relation 12786. Up to 1766 conditions per place. [2021-06-10 22:17:07,775 INFO L132 encePairwiseOnDemand]: 249/264 looper letters, 281 selfloop transitions, 85 changer transitions 0/368 dead transitions. [2021-06-10 22:17:07,775 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 368 transitions, 5315 flow [2021-06-10 22:17:07,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-10 22:17:07,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-06-10 22:17:07,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1409 transitions. [2021-06-10 22:17:07,786 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3558080808080808 [2021-06-10 22:17:07,786 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1409 transitions. [2021-06-10 22:17:07,786 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1409 transitions. [2021-06-10 22:17:07,786 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 22:17:07,786 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1409 transitions. [2021-06-10 22:17:07,787 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 93.93333333333334) internal successors, (1409), 15 states have internal predecessors, (1409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:17:07,789 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 264.0) internal successors, (4224), 16 states have internal predecessors, (4224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:17:07,789 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 264.0) internal successors, (4224), 16 states have internal predecessors, (4224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:17:07,789 INFO L185 Difference]: Start difference. First operand has 242 places, 321 transitions, 4257 flow. Second operand 15 states and 1409 transitions. [2021-06-10 22:17:07,789 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 256 places, 368 transitions, 5315 flow [2021-06-10 22:17:07,861 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 368 transitions, 5179 flow, removed 38 selfloop flow, removed 7 redundant places. [2021-06-10 22:17:07,866 INFO L241 Difference]: Finished difference. Result has 254 places, 331 transitions, 4521 flow [2021-06-10 22:17:07,866 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=264, PETRI_DIFFERENCE_MINUEND_FLOW=4121, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=321, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=78, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=240, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=4521, PETRI_PLACES=254, PETRI_TRANSITIONS=331} [2021-06-10 22:17:07,866 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 227 predicate places. [2021-06-10 22:17:07,866 INFO L480 AbstractCegarLoop]: Abstraction has has 254 places, 331 transitions, 4521 flow [2021-06-10 22:17:07,867 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 88.21428571428571) internal successors, (1235), 14 states have internal predecessors, (1235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:17:07,867 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 22:17:07,867 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 22:17:07,867 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-06-10 22:17:07,867 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]=== [2021-06-10 22:17:07,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 22:17:07,867 INFO L82 PathProgramCache]: Analyzing trace with hash 1392275515, now seen corresponding path program 10 times [2021-06-10 22:17:07,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 22:17:07,867 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176234079] [2021-06-10 22:17:07,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 22:17:07,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 22:17:07,919 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.7 percent of original size [2021-06-10 22:17:07,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 22:17:07,924 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.9 percent of original size [2021-06-10 22:17:07,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 22:17:07,931 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.0 percent of original size [2021-06-10 22:17:07,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 22:17:07,941 INFO L142 QuantifierPusher]: treesize reduction 23, result has 69.3 percent of original size [2021-06-10 22:17:07,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-06-10 22:17:07,964 INFO L142 QuantifierPusher]: treesize reduction 23, result has 70.5 percent of original size [2021-06-10 22:17:07,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-06-10 22:17:07,994 INFO L142 QuantifierPusher]: treesize reduction 20, result has 78.3 percent of original size [2021-06-10 22:17:07,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-06-10 22:17:08,002 INFO L142 QuantifierPusher]: treesize reduction 58, result has 65.1 percent of original size [2021-06-10 22:17:08,003 INFO L147 QuantifierPusher]: treesize reduction 5, result has 95.4 percent of original size 103 [2021-06-10 22:17:08,052 INFO L142 QuantifierPusher]: treesize reduction 43, result has 38.6 percent of original size [2021-06-10 22:17:08,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 22:17:08,065 INFO L142 QuantifierPusher]: treesize reduction 44, result has 40.5 percent of original size [2021-06-10 22:17:08,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-10 22:17:08,080 INFO L142 QuantifierPusher]: treesize reduction 53, result has 53.9 percent of original size [2021-06-10 22:17:08,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-06-10 22:17:08,118 INFO L142 QuantifierPusher]: treesize reduction 47, result has 74.5 percent of original size [2021-06-10 22:17:08,118 INFO L147 QuantifierPusher]: treesize reduction 3, result has 97.8 percent of original size 134 [2021-06-10 22:17:08,134 INFO L142 QuantifierPusher]: treesize reduction 8, result has 75.0 percent of original size [2021-06-10 22:17:08,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 22:17:08,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:08,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 22:17:08,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:08,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 22:17:08,182 INFO L142 QuantifierPusher]: treesize reduction 14, result has 33.3 percent of original size [2021-06-10 22:17:08,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 22:17:08,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 22:17:08,195 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176234079] [2021-06-10 22:17:08,195 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 22:17:08,195 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-06-10 22:17:08,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657241815] [2021-06-10 22:17:08,196 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-10 22:17:08,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 22:17:08,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-10 22:17:08,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2021-06-10 22:17:08,197 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 264 [2021-06-10 22:17:08,197 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 254 places, 331 transitions, 4521 flow. Second operand has 15 states, 15 states have (on average 82.13333333333334) internal successors, (1232), 15 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:17:08,198 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 22:17:08,198 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 264 [2021-06-10 22:17:08,198 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 22:17:09,193 INFO L129 PetriNetUnfolder]: 1354/2477 cut-off events. [2021-06-10 22:17:09,193 INFO L130 PetriNetUnfolder]: For 21562/21562 co-relation queries the response was YES. [2021-06-10 22:17:09,209 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13888 conditions, 2477 events. 1354/2477 cut-off events. For 21562/21562 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 13494 event pairs, 532 based on Foata normal form. 14/2337 useless extension candidates. Maximal degree in co-relation 13797. Up to 2095 conditions per place. [2021-06-10 22:17:09,216 INFO L132 encePairwiseOnDemand]: 248/264 looper letters, 270 selfloop transitions, 112 changer transitions 0/384 dead transitions. [2021-06-10 22:17:09,216 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 384 transitions, 5700 flow [2021-06-10 22:17:09,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-10 22:17:09,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-06-10 22:17:09,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1400 transitions. [2021-06-10 22:17:09,222 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3314393939393939 [2021-06-10 22:17:09,222 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1400 transitions. [2021-06-10 22:17:09,222 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1400 transitions. [2021-06-10 22:17:09,222 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 22:17:09,222 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1400 transitions. [2021-06-10 22:17:09,223 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 87.5) internal successors, (1400), 16 states have internal predecessors, (1400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:17:09,225 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 264.0) internal successors, (4488), 17 states have internal predecessors, (4488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:17:09,225 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 264.0) internal successors, (4488), 17 states have internal predecessors, (4488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:17:09,225 INFO L185 Difference]: Start difference. First operand has 254 places, 331 transitions, 4521 flow. Second operand 16 states and 1400 transitions. [2021-06-10 22:17:09,225 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 384 transitions, 5700 flow [2021-06-10 22:17:09,308 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 384 transitions, 5478 flow, removed 69 selfloop flow, removed 10 redundant places. [2021-06-10 22:17:09,313 INFO L241 Difference]: Finished difference. Result has 265 places, 343 transitions, 4762 flow [2021-06-10 22:17:09,313 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=264, PETRI_DIFFERENCE_MINUEND_FLOW=4337, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=331, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=103, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=4762, PETRI_PLACES=265, PETRI_TRANSITIONS=343} [2021-06-10 22:17:09,313 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 238 predicate places. [2021-06-10 22:17:09,313 INFO L480 AbstractCegarLoop]: Abstraction has has 265 places, 343 transitions, 4762 flow [2021-06-10 22:17:09,313 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 82.13333333333334) internal successors, (1232), 15 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:17:09,313 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 22:17:09,314 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 22:17:09,314 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-06-10 22:17:09,314 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]=== [2021-06-10 22:17:09,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 22:17:09,314 INFO L82 PathProgramCache]: Analyzing trace with hash 87620117, now seen corresponding path program 11 times [2021-06-10 22:17:09,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 22:17:09,314 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426506338] [2021-06-10 22:17:09,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 22:17:09,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 22:17:09,344 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.7 percent of original size [2021-06-10 22:17:09,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 22:17:09,349 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.9 percent of original size [2021-06-10 22:17:09,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 22:17:09,356 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.0 percent of original size [2021-06-10 22:17:09,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 22:17:09,365 INFO L142 QuantifierPusher]: treesize reduction 32, result has 64.4 percent of original size [2021-06-10 22:17:09,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-10 22:17:09,391 INFO L142 QuantifierPusher]: treesize reduction 38, result has 63.8 percent of original size [2021-06-10 22:17:09,391 INFO L147 QuantifierPusher]: treesize reduction 6, result has 91.0 percent of original size 61 [2021-06-10 22:17:09,425 INFO L142 QuantifierPusher]: treesize reduction 30, result has 72.2 percent of original size [2021-06-10 22:17:09,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-06-10 22:17:09,434 INFO L142 QuantifierPusher]: treesize reduction 72, result has 60.9 percent of original size [2021-06-10 22:17:09,434 INFO L147 QuantifierPusher]: treesize reduction 7, result has 93.8 percent of original size 105 [2021-06-10 22:17:09,474 INFO L142 QuantifierPusher]: treesize reduction 72, result has 62.5 percent of original size [2021-06-10 22:17:09,475 INFO L147 QuantifierPusher]: treesize reduction 7, result has 94.2 percent of original size 113 [2021-06-10 22:17:09,517 INFO L142 QuantifierPusher]: treesize reduction 51, result has 41.4 percent of original size [2021-06-10 22:17:09,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-10 22:17:09,540 INFO L142 QuantifierPusher]: treesize reduction 51, result has 77.3 percent of original size [2021-06-10 22:17:09,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 174 [2021-06-10 22:17:09,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:09,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 22:17:09,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:09,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 22:17:09,577 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.0 percent of original size [2021-06-10 22:17:09,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 22:17:09,594 INFO L142 QuantifierPusher]: treesize reduction 14, result has 33.3 percent of original size [2021-06-10 22:17:09,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 22:17:09,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 22:17:09,605 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426506338] [2021-06-10 22:17:09,605 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 22:17:09,605 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-10 22:17:09,605 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359966442] [2021-06-10 22:17:09,605 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-10 22:17:09,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 22:17:09,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-10 22:17:09,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-06-10 22:17:09,607 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 264 [2021-06-10 22:17:09,607 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 343 transitions, 4762 flow. Second operand has 14 states, 14 states have (on average 88.21428571428571) internal successors, (1235), 14 states have internal predecessors, (1235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:17:09,607 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 22:17:09,607 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 264 [2021-06-10 22:17:09,607 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 22:17:10,561 INFO L129 PetriNetUnfolder]: 1427/2608 cut-off events. [2021-06-10 22:17:10,562 INFO L130 PetriNetUnfolder]: For 21398/21398 co-relation queries the response was YES. [2021-06-10 22:17:10,579 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14467 conditions, 2608 events. 1427/2608 cut-off events. For 21398/21398 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 14364 event pairs, 544 based on Foata normal form. 14/2459 useless extension candidates. Maximal degree in co-relation 14371. Up to 2111 conditions per place. [2021-06-10 22:17:10,586 INFO L132 encePairwiseOnDemand]: 249/264 looper letters, 271 selfloop transitions, 120 changer transitions 0/393 dead transitions. [2021-06-10 22:17:10,586 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 393 transitions, 5912 flow [2021-06-10 22:17:10,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-10 22:17:10,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-06-10 22:17:10,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1406 transitions. [2021-06-10 22:17:10,587 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.35505050505050506 [2021-06-10 22:17:10,588 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1406 transitions. [2021-06-10 22:17:10,588 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1406 transitions. [2021-06-10 22:17:10,588 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 22:17:10,588 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1406 transitions. [2021-06-10 22:17:10,589 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 93.73333333333333) internal successors, (1406), 15 states have internal predecessors, (1406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:17:10,591 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 264.0) internal successors, (4224), 16 states have internal predecessors, (4224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:17:10,591 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 264.0) internal successors, (4224), 16 states have internal predecessors, (4224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:17:10,591 INFO L185 Difference]: Start difference. First operand has 265 places, 343 transitions, 4762 flow. Second operand 15 states and 1406 transitions. [2021-06-10 22:17:10,591 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 393 transitions, 5912 flow [2021-06-10 22:17:10,672 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 272 places, 393 transitions, 5590 flow, removed 62 selfloop flow, removed 7 redundant places. [2021-06-10 22:17:10,677 INFO L241 Difference]: Finished difference. Result has 277 places, 353 transitions, 4882 flow [2021-06-10 22:17:10,677 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=264, PETRI_DIFFERENCE_MINUEND_FLOW=4440, PETRI_DIFFERENCE_MINUEND_PLACES=258, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=343, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=113, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=227, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=4882, PETRI_PLACES=277, PETRI_TRANSITIONS=353} [2021-06-10 22:17:10,677 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 250 predicate places. [2021-06-10 22:17:10,677 INFO L480 AbstractCegarLoop]: Abstraction has has 277 places, 353 transitions, 4882 flow [2021-06-10 22:17:10,678 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 88.21428571428571) internal successors, (1235), 14 states have internal predecessors, (1235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:17:10,678 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 22:17:10,678 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 22:17:10,678 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-06-10 22:17:10,678 INFO L428 AbstractCegarLoop]: === Iteration 24 === [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]=== [2021-06-10 22:17:10,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 22:17:10,678 INFO L82 PathProgramCache]: Analyzing trace with hash 139278633, now seen corresponding path program 12 times [2021-06-10 22:17:10,678 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 22:17:10,678 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718468787] [2021-06-10 22:17:10,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 22:17:10,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 22:17:10,704 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.7 percent of original size [2021-06-10 22:17:10,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 22:17:10,709 INFO L142 QuantifierPusher]: treesize reduction 3, result has 91.9 percent of original size [2021-06-10 22:17:10,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-10 22:17:10,721 INFO L142 QuantifierPusher]: treesize reduction 3, result has 92.5 percent of original size [2021-06-10 22:17:10,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-10 22:17:10,736 INFO L142 QuantifierPusher]: treesize reduction 35, result has 63.9 percent of original size [2021-06-10 22:17:10,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-06-10 22:17:10,762 INFO L142 QuantifierPusher]: treesize reduction 287, result has 25.3 percent of original size [2021-06-10 22:17:10,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-06-10 22:17:10,795 INFO L142 QuantifierPusher]: treesize reduction 57, result has 52.9 percent of original size [2021-06-10 22:17:10,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-06-10 22:17:10,803 INFO L142 QuantifierPusher]: treesize reduction 87, result has 56.9 percent of original size [2021-06-10 22:17:10,804 INFO L147 QuantifierPusher]: treesize reduction 10, result has 91.3 percent of original size 105 [2021-06-10 22:17:10,849 INFO L142 QuantifierPusher]: treesize reduction 45, result has 42.3 percent of original size [2021-06-10 22:17:10,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-10 22:17:10,880 INFO L142 QuantifierPusher]: treesize reduction 44, result has 79.5 percent of original size [2021-06-10 22:17:10,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 171 [2021-06-10 22:17:10,898 INFO L142 QuantifierPusher]: treesize reduction 46, result has 79.1 percent of original size [2021-06-10 22:17:10,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 174 [2021-06-10 22:17:10,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:10,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 22:17:10,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:10,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 22:17:10,969 INFO L142 QuantifierPusher]: treesize reduction 18, result has 64.0 percent of original size [2021-06-10 22:17:10,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 22:17:10,991 INFO L142 QuantifierPusher]: treesize reduction 10, result has 50.0 percent of original size [2021-06-10 22:17:10,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 22:17:11,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 22:17:11,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718468787] [2021-06-10 22:17:11,006 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 22:17:11,006 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-10 22:17:11,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701852621] [2021-06-10 22:17:11,007 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-10 22:17:11,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 22:17:11,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-10 22:17:11,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-06-10 22:17:11,008 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 264 [2021-06-10 22:17:11,008 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 277 places, 353 transitions, 4882 flow. Second operand has 14 states, 14 states have (on average 87.21428571428571) internal successors, (1221), 14 states have internal predecessors, (1221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:17:11,008 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 22:17:11,008 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 264 [2021-06-10 22:17:11,008 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 22:17:12,026 INFO L129 PetriNetUnfolder]: 1497/2736 cut-off events. [2021-06-10 22:17:12,026 INFO L130 PetriNetUnfolder]: For 23946/23946 co-relation queries the response was YES. [2021-06-10 22:17:12,046 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15307 conditions, 2736 events. 1497/2736 cut-off events. For 23946/23946 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 15291 event pairs, 582 based on Foata normal form. 14/2578 useless extension candidates. Maximal degree in co-relation 15205. Up to 2238 conditions per place. [2021-06-10 22:17:12,053 INFO L132 encePairwiseOnDemand]: 249/264 looper letters, 281 selfloop transitions, 120 changer transitions 0/403 dead transitions. [2021-06-10 22:17:12,054 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 403 transitions, 6072 flow [2021-06-10 22:17:12,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-10 22:17:12,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-06-10 22:17:12,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1391 transitions. [2021-06-10 22:17:12,055 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3512626262626263 [2021-06-10 22:17:12,055 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1391 transitions. [2021-06-10 22:17:12,055 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1391 transitions. [2021-06-10 22:17:12,055 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 22:17:12,055 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1391 transitions. [2021-06-10 22:17:12,057 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 92.73333333333333) internal successors, (1391), 15 states have internal predecessors, (1391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:17:12,058 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 264.0) internal successors, (4224), 16 states have internal predecessors, (4224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:17:12,059 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 264.0) internal successors, (4224), 16 states have internal predecessors, (4224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:17:12,059 INFO L185 Difference]: Start difference. First operand has 277 places, 353 transitions, 4882 flow. Second operand 15 states and 1391 transitions. [2021-06-10 22:17:12,059 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 403 transitions, 6072 flow [2021-06-10 22:17:12,186 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 403 transitions, 5754 flow, removed 73 selfloop flow, removed 10 redundant places. [2021-06-10 22:17:12,192 INFO L241 Difference]: Finished difference. Result has 286 places, 363 transitions, 5025 flow [2021-06-10 22:17:12,192 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=264, PETRI_DIFFERENCE_MINUEND_FLOW=4598, PETRI_DIFFERENCE_MINUEND_PLACES=267, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=353, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=113, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=237, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=5025, PETRI_PLACES=286, PETRI_TRANSITIONS=363} [2021-06-10 22:17:12,192 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 259 predicate places. [2021-06-10 22:17:12,192 INFO L480 AbstractCegarLoop]: Abstraction has has 286 places, 363 transitions, 5025 flow [2021-06-10 22:17:12,192 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 87.21428571428571) internal successors, (1221), 14 states have internal predecessors, (1221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:17:12,192 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 22:17:12,192 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 22:17:12,193 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-06-10 22:17:12,193 INFO L428 AbstractCegarLoop]: === Iteration 25 === [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]=== [2021-06-10 22:17:12,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 22:17:12,193 INFO L82 PathProgramCache]: Analyzing trace with hash 883981131, now seen corresponding path program 13 times [2021-06-10 22:17:12,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 22:17:12,193 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068026298] [2021-06-10 22:17:12,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 22:17:12,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 22:17:12,221 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.7 percent of original size [2021-06-10 22:17:12,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 22:17:12,225 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.9 percent of original size [2021-06-10 22:17:12,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 22:17:12,232 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.0 percent of original size [2021-06-10 22:17:12,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 22:17:12,240 INFO L142 QuantifierPusher]: treesize reduction 48, result has 54.7 percent of original size [2021-06-10 22:17:12,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-10 22:17:12,268 INFO L142 QuantifierPusher]: treesize reduction 54, result has 53.0 percent of original size [2021-06-10 22:17:12,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-06-10 22:17:12,300 INFO L142 QuantifierPusher]: treesize reduction 46, result has 62.9 percent of original size [2021-06-10 22:17:12,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-06-10 22:17:12,308 INFO L142 QuantifierPusher]: treesize reduction 87, result has 56.7 percent of original size [2021-06-10 22:17:12,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 114 [2021-06-10 22:17:12,346 INFO L142 QuantifierPusher]: treesize reduction 50, result has 39.8 percent of original size [2021-06-10 22:17:12,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-10 22:17:12,368 INFO L142 QuantifierPusher]: treesize reduction 49, result has 77.7 percent of original size [2021-06-10 22:17:12,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 171 [2021-06-10 22:17:12,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:12,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 22:17:12,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:12,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 22:17:12,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:12,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 22:17:12,418 INFO L142 QuantifierPusher]: treesize reduction 8, result has 80.0 percent of original size [2021-06-10 22:17:12,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 22:17:12,440 INFO L142 QuantifierPusher]: treesize reduction 10, result has 50.0 percent of original size [2021-06-10 22:17:12,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 22:17:12,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 22:17:12,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068026298] [2021-06-10 22:17:12,454 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 22:17:12,454 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-10 22:17:12,454 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177744590] [2021-06-10 22:17:12,454 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-10 22:17:12,454 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 22:17:12,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-10 22:17:12,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-06-10 22:17:12,455 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 264 [2021-06-10 22:17:12,456 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 363 transitions, 5025 flow. Second operand has 14 states, 14 states have (on average 88.21428571428571) internal successors, (1235), 14 states have internal predecessors, (1235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:17:12,456 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 22:17:12,456 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 264 [2021-06-10 22:17:12,456 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 22:17:13,543 INFO L129 PetriNetUnfolder]: 1573/2877 cut-off events. [2021-06-10 22:17:13,543 INFO L130 PetriNetUnfolder]: For 24468/24468 co-relation queries the response was YES. [2021-06-10 22:17:13,563 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15991 conditions, 2877 events. 1573/2877 cut-off events. For 24468/24468 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 16126 event pairs, 392 based on Foata normal form. 14/2711 useless extension candidates. Maximal degree in co-relation 15885. Up to 1171 conditions per place. [2021-06-10 22:17:13,570 INFO L132 encePairwiseOnDemand]: 249/264 looper letters, 216 selfloop transitions, 206 changer transitions 0/424 dead transitions. [2021-06-10 22:17:13,570 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 424 transitions, 6323 flow [2021-06-10 22:17:13,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-10 22:17:13,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-06-10 22:17:13,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1508 transitions. [2021-06-10 22:17:13,574 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.35700757575757575 [2021-06-10 22:17:13,574 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1508 transitions. [2021-06-10 22:17:13,574 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1508 transitions. [2021-06-10 22:17:13,574 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 22:17:13,574 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1508 transitions. [2021-06-10 22:17:13,575 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 94.25) internal successors, (1508), 16 states have internal predecessors, (1508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:17:13,577 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 264.0) internal successors, (4488), 17 states have internal predecessors, (4488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:17:13,577 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 264.0) internal successors, (4488), 17 states have internal predecessors, (4488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:17:13,577 INFO L185 Difference]: Start difference. First operand has 286 places, 363 transitions, 5025 flow. Second operand 16 states and 1508 transitions. [2021-06-10 22:17:13,577 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 424 transitions, 6323 flow [2021-06-10 22:17:13,677 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 291 places, 424 transitions, 6035 flow, removed 58 selfloop flow, removed 10 redundant places. [2021-06-10 22:17:13,683 INFO L241 Difference]: Finished difference. Result has 297 places, 375 transitions, 5504 flow [2021-06-10 22:17:13,683 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=264, PETRI_DIFFERENCE_MINUEND_FLOW=4759, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=363, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=197, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=5504, PETRI_PLACES=297, PETRI_TRANSITIONS=375} [2021-06-10 22:17:13,683 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 270 predicate places. [2021-06-10 22:17:13,683 INFO L480 AbstractCegarLoop]: Abstraction has has 297 places, 375 transitions, 5504 flow [2021-06-10 22:17:13,684 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 88.21428571428571) internal successors, (1235), 14 states have internal predecessors, (1235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:17:13,684 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 22:17:13,684 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 22:17:13,684 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-06-10 22:17:13,684 INFO L428 AbstractCegarLoop]: === Iteration 26 === [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]=== [2021-06-10 22:17:13,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 22:17:13,684 INFO L82 PathProgramCache]: Analyzing trace with hash 1520753811, now seen corresponding path program 1 times [2021-06-10 22:17:13,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 22:17:13,684 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061919881] [2021-06-10 22:17:13,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 22:17:13,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 22:17:13,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:17:13,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:17:13,702 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 22:17:13,702 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061919881] [2021-06-10 22:17:13,702 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2004099607] [2021-06-10 22:17:13,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 22:17:13,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 22:17:13,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-10 22:17:13,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 22:17:13,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:17:13,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:17:13,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:17:13,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:17:13,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:17:13,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:17:13,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:17:13,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:17:13,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:13,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 22:17:13,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 22:17:13,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:13,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 22:17:13,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 22:17:13,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 22:17:13,872 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-06-10 22:17:13,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:17:13,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:17:13,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:17:13,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:13,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:17:13,874 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 22:17:13,874 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-10 22:17:13,874 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-06-10 22:17:13,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947314410] [2021-06-10 22:17:13,874 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-10 22:17:13,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 22:17:13,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-10 22:17:13,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-06-10 22:17:13,875 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 264 [2021-06-10 22:17:13,876 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 375 transitions, 5504 flow. Second operand has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:17:13,876 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 22:17:13,876 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 264 [2021-06-10 22:17:13,876 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 22:17:14,014 INFO L129 PetriNetUnfolder]: 309/949 cut-off events. [2021-06-10 22:17:14,014 INFO L130 PetriNetUnfolder]: For 7195/7283 co-relation queries the response was YES. [2021-06-10 22:17:14,021 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5277 conditions, 949 events. 309/949 cut-off events. For 7195/7283 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 6011 event pairs, 0 based on Foata normal form. 34/924 useless extension candidates. Maximal degree in co-relation 5166. Up to 136 conditions per place. [2021-06-10 22:17:14,024 INFO L132 encePairwiseOnDemand]: 261/264 looper letters, 37 selfloop transitions, 46 changer transitions 0/378 dead transitions. [2021-06-10 22:17:14,024 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 378 transitions, 5698 flow [2021-06-10 22:17:14,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-10 22:17:14,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-10 22:17:14,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 918 transitions. [2021-06-10 22:17:14,025 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8693181818181818 [2021-06-10 22:17:14,025 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 918 transitions. [2021-06-10 22:17:14,025 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 918 transitions. [2021-06-10 22:17:14,026 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 22:17:14,026 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 918 transitions. [2021-06-10 22:17:14,026 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 229.5) internal successors, (918), 4 states have internal predecessors, (918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:17:14,027 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 264.0) internal successors, (1320), 5 states have internal predecessors, (1320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:17:14,027 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 264.0) internal successors, (1320), 5 states have internal predecessors, (1320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:17:14,027 INFO L185 Difference]: Start difference. First operand has 297 places, 375 transitions, 5504 flow. Second operand 4 states and 918 transitions. [2021-06-10 22:17:14,027 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 378 transitions, 5698 flow [2021-06-10 22:17:14,070 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 378 transitions, 5421 flow, removed 50 selfloop flow, removed 10 redundant places. [2021-06-10 22:17:14,075 INFO L241 Difference]: Finished difference. Result has 291 places, 376 transitions, 5365 flow [2021-06-10 22:17:14,075 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=264, PETRI_DIFFERENCE_MINUEND_FLOW=5227, PETRI_DIFFERENCE_MINUEND_PLACES=287, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=375, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=329, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=5365, PETRI_PLACES=291, PETRI_TRANSITIONS=376} [2021-06-10 22:17:14,075 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 264 predicate places. [2021-06-10 22:17:14,075 INFO L480 AbstractCegarLoop]: Abstraction has has 291 places, 376 transitions, 5365 flow [2021-06-10 22:17:14,075 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 228.6) internal successors, (1143), 5 states have internal predecessors, (1143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 22:17:14,076 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 22:17:14,076 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 22:17:14,289 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-06-10 22:17:14,289 INFO L428 AbstractCegarLoop]: === Iteration 27 === [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]=== [2021-06-10 22:17:14,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 22:17:14,289 INFO L82 PathProgramCache]: Analyzing trace with hash 1622790413, now seen corresponding path program 14 times [2021-06-10 22:17:14,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 22:17:14,289 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715362587] [2021-06-10 22:17:14,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 22:17:14,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 22:17:14,344 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.7 percent of original size [2021-06-10 22:17:14,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 22:17:14,349 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.9 percent of original size [2021-06-10 22:17:14,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 22:17:14,355 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.0 percent of original size [2021-06-10 22:17:14,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 22:17:14,364 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.9 percent of original size [2021-06-10 22:17:14,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-10 22:17:14,375 INFO L142 QuantifierPusher]: treesize reduction 38, result has 66.7 percent of original size [2021-06-10 22:17:14,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-06-10 22:17:14,421 INFO L142 QuantifierPusher]: treesize reduction 38, result has 69.8 percent of original size [2021-06-10 22:17:14,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-06-10 22:17:14,464 INFO L142 QuantifierPusher]: treesize reduction 53, result has 62.1 percent of original size [2021-06-10 22:17:14,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-06-10 22:17:14,474 INFO L142 QuantifierPusher]: treesize reduction 51, result has 65.5 percent of original size [2021-06-10 22:17:14,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-06-10 22:17:14,484 INFO L142 QuantifierPusher]: treesize reduction 102, result has 58.2 percent of original size [2021-06-10 22:17:14,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-06-10 22:17:14,542 INFO L142 QuantifierPusher]: treesize reduction 72, result has 47.4 percent of original size [2021-06-10 22:17:14,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-06-10 22:17:14,580 INFO L142 QuantifierPusher]: treesize reduction 193, result has 29.6 percent of original size [2021-06-10 22:17:14,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-06-10 22:17:14,619 INFO L142 QuantifierPusher]: treesize reduction 8, result has 84.6 percent of original size [2021-06-10 22:17:14,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-06-10 22:17:14,643 INFO L142 QuantifierPusher]: treesize reduction 18, result has 72.7 percent of original size [2021-06-10 22:17:14,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-06-10 22:17:14,664 INFO L142 QuantifierPusher]: treesize reduction 18, result has 71.4 percent of original size [2021-06-10 22:17:14,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 22:17:14,687 INFO L142 QuantifierPusher]: treesize reduction 27, result has 69.3 percent of original size [2021-06-10 22:17:14,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-06-10 22:17:14,725 INFO L142 QuantifierPusher]: treesize reduction 19, result has 76.3 percent of original size [2021-06-10 22:17:14,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-06-10 22:17:14,764 INFO L142 QuantifierPusher]: treesize reduction 29, result has 73.6 percent of original size [2021-06-10 22:17:14,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-06-10 22:17:14,813 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.0 percent of original size [2021-06-10 22:17:14,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 22:17:14,837 INFO L142 QuantifierPusher]: treesize reduction 14, result has 33.3 percent of original size [2021-06-10 22:17:14,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 22:17:14,852 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 22:17:14,853 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715362587] [2021-06-10 22:17:14,853 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [877543030] [2021-06-10 22:17:14,853 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-10 22:17:14,970 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-10 22:17:14,970 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-10 22:17:14,972 WARN L261 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 104 conjunts are in the unsatisfiable core [2021-06-10 22:17:14,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-10 22:17:14,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:14,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:14,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:14,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-10 22:17:14,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:14,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:14,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 22:17:14,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-06-10 22:17:14,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:14,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:14,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:14,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-06-10 22:17:14,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-06-10 22:17:14,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:14,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:14,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:14,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:14,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:14,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 22:17:14,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 22:17:14,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:14,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:14,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:14,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:14,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-10 22:17:14,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-10 22:17:14,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:14,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:14,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-06-10 22:17:14,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-06-10 22:17:15,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 93 [2021-06-10 22:17:15,021 INFO L142 QuantifierPusher]: treesize reduction 63, result has 33.0 percent of original size [2021-06-10 22:17:15,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 22:17:15,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-10 22:17:15,023 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-10 22:17:15,040 INFO L628 ElimStorePlain]: treesize reduction 14, result has 79.1 percent of original size [2021-06-10 22:17:15,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-10 22:17:15,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 24 [2021-06-10 22:17:15,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 22:17:15,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 22:17:15,048 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-10 22:17:15,054 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-10 22:17:15,059 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-10 22:17:15,059 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:58, output treesize:31 [2021-06-10 22:17:15,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-10 22:17:15,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-10 22:17:15,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,098 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 22:17:15,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 22:17:15,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 22:17:15,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 22:17:15,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 22:17:15,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-06-10 22:17:15,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-10 22:17:15,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-10 22:17:15,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-10 22:17:15,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-10 22:17:15,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-06-10 22:17:15,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 22:17:15,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 22:17:15,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 22:17:15,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 22:17:15,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-06-10 22:17:15,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,236 INFO L147 QuantifierPusher]: treesize reduction 2, result has 96.2 percent of original size 51 [2021-06-10 22:17:15,237 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.2 percent of original size [2021-06-10 22:17:15,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-06-10 22:17:15,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-06-10 22:17:15,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-06-10 22:17:15,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-06-10 22:17:15,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-06-10 22:17:15,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-06-10 22:17:15,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-06-10 22:17:15,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-06-10 22:17:15,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-06-10 22:17:15,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-06-10 22:17:15,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-06-10 22:17:15,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-06-10 22:17:15,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-06-10 22:17:15,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-06-10 22:17:15,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-06-10 22:17:15,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-06-10 22:17:15,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-06-10 22:17:15,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-06-10 22:17:15,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-06-10 22:17:15,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-06-10 22:17:15,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-06-10 22:17:15,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-06-10 22:17:15,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-06-10 22:17:15,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-06-10 22:17:15,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-06-10 22:17:15,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-06-10 22:17:15,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-06-10 22:17:15,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,381 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-06-10 22:17:15,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-06-10 22:17:15,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-06-10 22:17:15,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-06-10 22:17:15,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-06-10 22:17:15,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 22:17:15,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-06-10 22:17:15,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-10 22:17:15,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-06-10 22:17:15,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-06-10 22:17:15,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-10 22:17:15,442 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-10 22:17:15,454 INFO L354 Elim1Store]: treesize reduction 38, result has 30.9 percent of original size [2021-06-10 22:17:15,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 53 treesize of output 51 [2021-06-10 22:17:15,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 22:17:15,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-10 22:17:15,456 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-10 22:17:15,474 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-06-10 22:17:15,476 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-10 22:17:15,476 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:81, output treesize:73 [2021-06-10 22:17:15,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-06-10 22:17:15,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-06-10 22:17:15,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-06-10 22:17:15,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-06-10 22:17:15,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-06-10 22:17:15,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-06-10 22:17:15,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-06-10 22:17:15,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-06-10 22:17:15,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 123 [2021-06-10 22:17:15,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-06-10 22:17:15,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 117 [2021-06-10 22:17:15,590 INFO L142 QuantifierPusher]: treesize reduction 1, result has 99.3 percent of original size [2021-06-10 22:17:15,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:17:15,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 22:17:15,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,593 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 22:17:15,596 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,597 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-10 22:17:15,598 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,598 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 22:17:15,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-10 22:17:15,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-06-10 22:17:15,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 22:17:15,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,612 INFO L147 QuantifierPusher]: treesize reduction -4, result has 108.7 percent of original size 50 [2021-06-10 22:17:15,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,613 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size [2021-06-10 22:17:15,614 INFO L147 QuantifierPusher]: treesize reduction -3, result has 105.6 percent of original size 57 [2021-06-10 22:17:15,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,622 INFO L147 QuantifierPusher]: treesize reduction -2, result has 108.7 percent of original size 25 [2021-06-10 22:17:15,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,624 INFO L147 QuantifierPusher]: treesize reduction -2, result has 109.5 percent of original size 23 [2021-06-10 22:17:15,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,625 INFO L142 QuantifierPusher]: treesize reduction -1, result has 100.5 percent of original size [2021-06-10 22:17:15,625 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-06-10 22:17:15,626 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:17:15,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:17:15,651 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-10 22:17:15,731 INFO L842 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-10 22:17:15,809 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-10 22:17:15,977 INFO L842 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-10 22:17:26,338 INFO L842 QuantifierPusher]: Run 30 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-10 22:17:52,335 INFO L842 QuantifierPusher]: Run 40 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-10 22:18:29,905 INFO L842 QuantifierPusher]: Run 50 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-10 22:19:19,439 INFO L842 QuantifierPusher]: Run 60 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-10 22:20:22,026 INFO L842 QuantifierPusher]: Run 70 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-10 22:21:36,725 INFO L842 QuantifierPusher]: Run 80 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-10 22:23:03,165 INFO L842 QuantifierPusher]: Run 90 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-10 22:24:42,487 INFO L842 QuantifierPusher]: Run 100 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-10 22:26:33,680 INFO L842 QuantifierPusher]: Run 110 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-10 22:28:37,846 INFO L842 QuantifierPusher]: Run 120 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-10 22:30:53,886 INFO L842 QuantifierPusher]: Run 130 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown