/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/queue_longer.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-11 18:49:12,711 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-11 18:49:12,713 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-11 18:49:12,731 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-11 18:49:12,731 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-11 18:49:12,732 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-11 18:49:12,733 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-11 18:49:12,735 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-11 18:49:12,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-11 18:49:12,737 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-11 18:49:12,738 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-11 18:49:12,738 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-11 18:49:12,739 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-11 18:49:12,739 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-11 18:49:12,740 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-11 18:49:12,741 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-11 18:49:12,741 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-11 18:49:12,742 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-11 18:49:12,743 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-11 18:49:12,744 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-11 18:49:12,745 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-11 18:49:12,750 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-11 18:49:12,752 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-11 18:49:12,754 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-11 18:49:12,762 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-11 18:49:12,764 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-11 18:49:12,764 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-11 18:49:12,765 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-11 18:49:12,765 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-11 18:49:12,766 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-11 18:49:12,766 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-11 18:49:12,766 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-11 18:49:12,767 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-11 18:49:12,767 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-11 18:49:12,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-11 18:49:12,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-11 18:49:12,768 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 [2021-03-11 18:49:12,782 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-11 18:49:12,782 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-11 18:49:12,783 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-11 18:49:12,783 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-11 18:49:12,783 INFO L138 SettingsManager]: * Use SBE=true [2021-03-11 18:49:12,784 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-11 18:49:12,784 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-11 18:49:12,784 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-11 18:49:12,784 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-11 18:49:12,784 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-11 18:49:12,784 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-11 18:49:12,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-11 18:49:12,784 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-11 18:49:12,784 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-11 18:49:12,784 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-11 18:49:12,784 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-11 18:49:12,785 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-11 18:49:12,785 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-11 18:49:12,785 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-11 18:49:12,785 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-11 18:49:12,785 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-11 18:49:12,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 18:49:12,785 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-11 18:49:12,785 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-11 18:49:12,785 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-11 18:49:12,786 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-11 18:49:12,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-11 18:49:12,786 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-11 18:49:12,786 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-11 18:49:13,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-11 18:49:13,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-11 18:49:13,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-11 18:49:13,027 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-11 18:49:13,027 INFO L275 PluginConnector]: CDTParser initialized [2021-03-11 18:49:13,028 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_longer.i [2021-03-11 18:49:13,075 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ef1a9ffe/cd25df18efec4329a7f8feba44039093/FLAG32a4eb612 [2021-03-11 18:49:13,514 INFO L306 CDTParser]: Found 1 translation units. [2021-03-11 18:49:13,515 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longer.i [2021-03-11 18:49:13,532 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ef1a9ffe/cd25df18efec4329a7f8feba44039093/FLAG32a4eb612 [2021-03-11 18:49:13,545 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ef1a9ffe/cd25df18efec4329a7f8feba44039093 [2021-03-11 18:49:13,546 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-11 18:49:13,550 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-11 18:49:13,551 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-11 18:49:13,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-11 18:49:13,553 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-11 18:49:13,553 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 06:49:13" (1/1) ... [2021-03-11 18:49:13,554 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73c58014 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 06:49:13, skipping insertion in model container [2021-03-11 18:49:13,554 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 06:49:13" (1/1) ... [2021-03-11 18:49:13,569 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-11 18:49:13,615 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-11 18:49:13,866 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/queue_longer.i[43296,43309] [2021-03-11 18:49:13,869 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/queue_longer.i[43503,43516] [2021-03-11 18:49:13,871 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/queue_longer.i[43783,43796] [2021-03-11 18:49:13,872 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 18:49:13,883 INFO L203 MainTranslator]: Completed pre-run [2021-03-11 18:49:13,911 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/queue_longer.i[43296,43309] [2021-03-11 18:49:13,914 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/queue_longer.i[43503,43516] [2021-03-11 18:49:13,916 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/queue_longer.i[43783,43796] [2021-03-11 18:49:13,917 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 18:49:13,992 INFO L208 MainTranslator]: Completed translation [2021-03-11 18:49:13,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 06:49:13 WrapperNode [2021-03-11 18:49:13,992 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-11 18:49:13,993 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-11 18:49:13,993 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-11 18:49:13,993 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-11 18:49:13,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 06:49:13" (1/1) ... [2021-03-11 18:49:14,009 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 06:49:13" (1/1) ... [2021-03-11 18:49:14,026 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-11 18:49:14,027 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-11 18:49:14,027 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-11 18:49:14,027 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-11 18:49:14,032 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 06:49:13" (1/1) ... [2021-03-11 18:49:14,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 06:49:13" (1/1) ... [2021-03-11 18:49:14,035 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 06:49:13" (1/1) ... [2021-03-11 18:49:14,035 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 06:49:13" (1/1) ... [2021-03-11 18:49:14,042 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 06:49:13" (1/1) ... [2021-03-11 18:49:14,045 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 06:49:13" (1/1) ... [2021-03-11 18:49:14,046 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 06:49:13" (1/1) ... [2021-03-11 18:49:14,048 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-11 18:49:14,049 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-11 18:49:14,049 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-11 18:49:14,049 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-11 18:49:14,050 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 06:49:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 18:49:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-03-11 18:49:14,116 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-03-11 18:49:14,117 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-03-11 18:49:14,117 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-03-11 18:49:14,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-11 18:49:14,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-11 18:49:14,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-11 18:49:14,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-11 18:49:14,119 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-03-11 18:49:14,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-11 18:49:14,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-11 18:49:14,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-11 18:49:14,120 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-11 18:49:14,574 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-11 18:49:14,574 INFO L299 CfgBuilder]: Removed 18 assume(true) statements. [2021-03-11 18:49:14,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 06:49:14 BoogieIcfgContainer [2021-03-11 18:49:14,575 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-11 18:49:14,576 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-11 18:49:14,576 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-11 18:49:14,578 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-11 18:49:14,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.03 06:49:13" (1/3) ... [2021-03-11 18:49:14,579 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30743caf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 06:49:14, skipping insertion in model container [2021-03-11 18:49:14,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 06:49:13" (2/3) ... [2021-03-11 18:49:14,579 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30743caf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 06:49:14, skipping insertion in model container [2021-03-11 18:49:14,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 06:49:14" (3/3) ... [2021-03-11 18:49:14,580 INFO L111 eAbstractionObserver]: Analyzing ICFG queue_longer.i [2021-03-11 18:49:14,584 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-11 18:49:14,587 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-03-11 18:49:14,588 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-11 18:49:14,620 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,620 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,620 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,620 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,620 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,620 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,620 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,620 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,621 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,621 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,621 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,621 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,621 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,621 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,621 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,621 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,621 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,621 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,622 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,622 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,622 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,622 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,622 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,622 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,622 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,622 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,622 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,622 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,622 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,623 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,623 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,623 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,623 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,623 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,623 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,623 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,623 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,623 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,623 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,623 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,623 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,624 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,624 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,624 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,624 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,624 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,624 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,624 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,624 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,624 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,624 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,624 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,624 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,624 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,624 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,625 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,625 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,625 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,625 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,625 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,625 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,625 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,625 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,625 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,625 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,625 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,625 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,626 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,626 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,626 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,626 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,626 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,626 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,626 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,626 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,626 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,626 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,626 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,626 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,626 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,627 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,627 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,627 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,627 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,627 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,627 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,627 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,627 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,627 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,627 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,627 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,627 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,628 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,628 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,628 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,628 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,628 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,628 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,628 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,628 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,628 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,628 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,628 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,629 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,629 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,629 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,629 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,629 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,629 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,629 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,629 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,629 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,629 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,629 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,630 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,630 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,630 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,630 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,630 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,630 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,630 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,630 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,630 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,630 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,630 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,630 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,630 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,631 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,631 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,631 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,631 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,631 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,631 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,631 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,631 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,631 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,631 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,631 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,631 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,631 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,632 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,632 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,632 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,632 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,632 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,632 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,632 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,632 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,632 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,632 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,632 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,633 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,633 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,633 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,633 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,633 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,633 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,633 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,633 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,633 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,633 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,633 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,634 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,634 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,634 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,634 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,634 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,634 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,634 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,634 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,634 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,634 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,634 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,634 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,634 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,635 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,635 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,635 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,635 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,635 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,635 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,635 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,635 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,635 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,635 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,635 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,635 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,635 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,636 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,636 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,636 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,636 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,636 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,636 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,636 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,636 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,636 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,636 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,636 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,636 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,636 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,637 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,637 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,637 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,637 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,637 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,637 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,637 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,637 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,637 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,637 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,637 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,637 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,637 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,638 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,638 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,638 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,638 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,638 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,638 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,638 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,638 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,638 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,638 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,638 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,638 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,639 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,639 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,639 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,639 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,639 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,639 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,639 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,639 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,639 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,639 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,640 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,640 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,640 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,640 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,640 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,640 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,640 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,640 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,640 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,641 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,641 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,641 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,641 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,641 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,641 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,641 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,641 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,641 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,641 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,641 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,641 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,641 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,642 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,642 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,642 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,642 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,642 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,642 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,642 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,642 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,642 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,642 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,642 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,642 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,642 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,643 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,643 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,643 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,643 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,643 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,643 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,643 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,643 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,643 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,643 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,643 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,643 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,643 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,643 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,643 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,644 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,644 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,644 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,644 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,644 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,644 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,644 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,644 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,644 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,644 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,644 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,644 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,644 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,644 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,645 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,645 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,645 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,645 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,645 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,645 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,645 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,645 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,645 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,645 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,646 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,646 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,646 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,646 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,646 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,646 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,646 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,646 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,646 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,646 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,646 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,646 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,647 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,647 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,647 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,647 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,647 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,647 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,647 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,647 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,647 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,647 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,647 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,647 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,647 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,648 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,648 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,648 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,648 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,648 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,648 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,648 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,648 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,648 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,648 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,648 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,648 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,648 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,649 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,649 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,649 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,649 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,649 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,649 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,649 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,649 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,649 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,649 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,649 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,649 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,650 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,650 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,650 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,650 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,650 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,650 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,650 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,650 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,650 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,650 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,650 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,650 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,650 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,651 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,651 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,651 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,651 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,651 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,651 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,651 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,651 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,651 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,651 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,651 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,651 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,652 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,652 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,652 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,652 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,652 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,652 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,653 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,653 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,653 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,653 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,653 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,653 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,653 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,653 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,653 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,653 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,653 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,654 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,654 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,654 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,654 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,654 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,654 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,654 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,654 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,654 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,654 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,654 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,655 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,655 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,655 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,655 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,655 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,655 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,655 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,655 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,655 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,655 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,656 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,656 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,656 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,656 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,656 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,656 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,656 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,656 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,656 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,656 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,656 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,656 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,656 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,656 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,657 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,657 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,657 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,657 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,657 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,657 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,657 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,657 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,657 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,657 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,657 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,657 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,658 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,658 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,658 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,658 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,658 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,658 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,658 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,658 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,658 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,658 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,659 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,659 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,659 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,659 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,659 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,659 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,659 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,659 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,659 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,659 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,659 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,660 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,660 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,660 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,660 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,660 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,660 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,660 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,660 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,660 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,660 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,660 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,661 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,661 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,661 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,661 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,661 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,661 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,661 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,661 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,661 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,661 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,661 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,661 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,662 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,662 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,662 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,662 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,662 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,662 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,662 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,662 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,662 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,662 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,662 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,662 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,663 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,663 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,663 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,663 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,663 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,663 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,663 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,663 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,663 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,663 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,664 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,664 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,664 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,664 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,664 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,664 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,664 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,664 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,664 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,664 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,664 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,664 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,665 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,665 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,665 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,665 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,665 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,665 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,665 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,665 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,665 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,665 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,665 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,665 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,666 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,666 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,666 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,666 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,666 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,666 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,666 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,666 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,666 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,666 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,666 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,666 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,667 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,667 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,667 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,667 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,667 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,667 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,667 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,667 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,667 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,667 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,667 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,667 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,668 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,668 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,668 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,668 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,668 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,669 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,670 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,670 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,670 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,670 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,670 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,670 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,670 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,670 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,670 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,670 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,670 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,671 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,671 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,671 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,671 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,671 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,671 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,671 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,671 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,671 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,671 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,672 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,672 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,672 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,672 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,672 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,672 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,672 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,672 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,672 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,672 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,672 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,672 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,672 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,676 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,676 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,676 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,676 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,676 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,676 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,676 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,676 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,676 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,677 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,686 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,686 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,686 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,687 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,687 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,687 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,687 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,687 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,687 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,687 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,687 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,687 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 18:49:14,692 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-03-11 18:49:14,703 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-03-11 18:49:14,716 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-11 18:49:14,716 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-11 18:49:14,716 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-11 18:49:14,716 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-11 18:49:14,716 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-11 18:49:14,716 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-11 18:49:14,716 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-11 18:49:14,716 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-11 18:49:14,724 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 241 places, 251 transitions, 524 flow [2021-03-11 18:49:14,789 INFO L129 PetriNetUnfolder]: 16/251 cut-off events. [2021-03-11 18:49:14,789 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-11 18:49:14,806 INFO L84 FinitePrefix]: Finished finitePrefix Result has 262 conditions, 251 events. 16/251 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 386 event pairs, 0 based on Foata normal form. 0/233 useless extension candidates. Maximal degree in co-relation 181. Up to 3 conditions per place. [2021-03-11 18:49:14,806 INFO L82 GeneralOperation]: Start removeDead. Operand has 241 places, 251 transitions, 524 flow [2021-03-11 18:49:14,811 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 230 places, 239 transitions, 490 flow [2021-03-11 18:49:14,813 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-11 18:49:14,818 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 230 places, 239 transitions, 490 flow [2021-03-11 18:49:14,820 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 230 places, 239 transitions, 490 flow [2021-03-11 18:49:14,820 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 230 places, 239 transitions, 490 flow [2021-03-11 18:49:14,845 INFO L129 PetriNetUnfolder]: 15/241 cut-off events. [2021-03-11 18:49:14,845 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-11 18:49:14,846 INFO L84 FinitePrefix]: Finished finitePrefix Result has 250 conditions, 241 events. 15/241 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 320 event pairs, 0 based on Foata normal form. 0/223 useless extension candidates. Maximal degree in co-relation 181. Up to 2 conditions per place. [2021-03-11 18:49:14,852 INFO L116 LiptonReduction]: Number of co-enabled transitions 15260 [2021-03-11 18:49:19,769 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2021-03-11 18:49:19,968 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-03-11 18:49:20,187 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2021-03-11 18:49:20,376 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-03-11 18:49:21,092 WARN L205 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 133 [2021-03-11 18:49:21,389 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-03-11 18:49:22,086 WARN L205 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 133 [2021-03-11 18:49:22,401 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-03-11 18:49:22,635 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 67 [2021-03-11 18:49:23,669 WARN L205 SmtUtils]: Spent 944.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2021-03-11 18:49:24,301 WARN L205 SmtUtils]: Spent 630.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2021-03-11 18:49:25,319 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 179 [2021-03-11 18:49:25,937 WARN L205 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2021-03-11 18:49:25,964 INFO L131 LiptonReduction]: Checked pairs total: 31397 [2021-03-11 18:49:25,964 INFO L133 LiptonReduction]: Total number of compositions: 212 [2021-03-11 18:49:25,966 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11155 [2021-03-11 18:49:25,970 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-03-11 18:49:25,970 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 18:49:25,970 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 18:49:25,970 INFO L255 CegarLoopForPetriNet]: trace histogram [1] [2021-03-11 18:49:25,970 INFO L428 AbstractCegarLoop]: === Iteration 1 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 18:49:25,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 18:49:25,973 INFO L82 PathProgramCache]: Analyzing trace with hash 982, now seen corresponding path program 1 times [2021-03-11 18:49:25,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 18:49:25,979 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356284330] [2021-03-11 18:49:25,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 18:49:26,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 18:49:26,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 18:49:26,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356284330] [2021-03-11 18:49:26,065 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 18:49:26,065 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2021-03-11 18:49:26,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205641848] [2021-03-11 18:49:26,070 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-03-11 18:49:26,070 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 18:49:26,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-03-11 18:49:26,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-03-11 18:49:26,081 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 434 out of 463 [2021-03-11 18:49:26,085 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 64 transitions, 140 flow. Second operand has 2 states, 2 states have (on average 434.5) internal successors, (869), 2 states have internal predecessors, (869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:26,086 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 18:49:26,086 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 434 of 463 [2021-03-11 18:49:26,086 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 18:49:26,108 INFO L129 PetriNetUnfolder]: 8/63 cut-off events. [2021-03-11 18:49:26,109 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-11 18:49:26,109 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 63 events. 8/63 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 116 event pairs, 0 based on Foata normal form. 3/56 useless extension candidates. Maximal degree in co-relation 69. Up to 2 conditions per place. [2021-03-11 18:49:26,111 INFO L132 encePairwiseOnDemand]: 460/463 looper letters, 0 selfloop transitions, 0 changer transitions 0/61 dead transitions. [2021-03-11 18:49:26,111 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 61 transitions, 134 flow [2021-03-11 18:49:26,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-11 18:49:26,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-03-11 18:49:26,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 871 transitions. [2021-03-11 18:49:26,123 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.9406047516198704 [2021-03-11 18:49:26,124 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 871 transitions. [2021-03-11 18:49:26,124 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 871 transitions. [2021-03-11 18:49:26,126 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 18:49:26,128 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 871 transitions. [2021-03-11 18:49:26,132 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 435.5) internal successors, (871), 2 states have internal predecessors, (871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:26,138 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 463.0) internal successors, (1389), 3 states have internal predecessors, (1389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:26,139 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 463.0) internal successors, (1389), 3 states have internal predecessors, (1389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:26,140 INFO L185 Difference]: Start difference. First operand has 60 places, 64 transitions, 140 flow. Second operand 2 states and 871 transitions. [2021-03-11 18:49:26,140 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 61 transitions, 134 flow [2021-03-11 18:49:26,143 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 61 transitions, 126 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-11 18:49:26,144 INFO L241 Difference]: Finished difference. Result has 56 places, 61 transitions, 126 flow [2021-03-11 18:49:26,145 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=126, PETRI_PLACES=56, PETRI_TRANSITIONS=61} [2021-03-11 18:49:26,146 INFO L335 CegarLoopForPetriNet]: 60 programPoint places, -4 predicate places. [2021-03-11 18:49:26,146 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 61 transitions, 126 flow [2021-03-11 18:49:26,146 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 434.5) internal successors, (869), 2 states have internal predecessors, (869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:26,146 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 18:49:26,146 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 18:49:26,146 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-11 18:49:26,147 INFO L428 AbstractCegarLoop]: === Iteration 2 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 18:49:26,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 18:49:26,148 INFO L82 PathProgramCache]: Analyzing trace with hash -348496479, now seen corresponding path program 1 times [2021-03-11 18:49:26,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 18:49:26,148 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126820993] [2021-03-11 18:49:26,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 18:49:26,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 18:49:26,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:26,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 18:49:26,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:26,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 18:49:26,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:26,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 18:49:26,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 18:49:26,229 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126820993] [2021-03-11 18:49:26,229 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 18:49:26,229 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-11 18:49:26,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759342192] [2021-03-11 18:49:26,229 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 18:49:26,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 18:49:26,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 18:49:26,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 18:49:26,231 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 421 out of 463 [2021-03-11 18:49:26,232 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 61 transitions, 126 flow. Second operand has 3 states, 3 states have (on average 422.0) internal successors, (1266), 3 states have internal predecessors, (1266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:26,232 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 18:49:26,232 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 421 of 463 [2021-03-11 18:49:26,232 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 18:49:26,243 INFO L129 PetriNetUnfolder]: 7/62 cut-off events. [2021-03-11 18:49:26,243 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 18:49:26,243 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71 conditions, 62 events. 7/62 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 113 event pairs, 0 based on Foata normal form. 0/53 useless extension candidates. Maximal degree in co-relation 68. Up to 3 conditions per place. [2021-03-11 18:49:26,244 INFO L132 encePairwiseOnDemand]: 459/463 looper letters, 1 selfloop transitions, 3 changer transitions 0/60 dead transitions. [2021-03-11 18:49:26,244 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 60 transitions, 132 flow [2021-03-11 18:49:26,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 18:49:26,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-11 18:49:26,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1268 transitions. [2021-03-11 18:49:26,248 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.9128869690424766 [2021-03-11 18:49:26,248 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1268 transitions. [2021-03-11 18:49:26,248 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1268 transitions. [2021-03-11 18:49:26,249 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 18:49:26,249 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1268 transitions. [2021-03-11 18:49:26,251 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 422.6666666666667) internal successors, (1268), 3 states have internal predecessors, (1268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:26,252 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 463.0) internal successors, (1852), 4 states have internal predecessors, (1852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:26,253 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 463.0) internal successors, (1852), 4 states have internal predecessors, (1852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:26,253 INFO L185 Difference]: Start difference. First operand has 56 places, 61 transitions, 126 flow. Second operand 3 states and 1268 transitions. [2021-03-11 18:49:26,253 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 60 transitions, 132 flow [2021-03-11 18:49:26,253 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 60 transitions, 132 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-11 18:49:26,254 INFO L241 Difference]: Finished difference. Result has 58 places, 60 transitions, 130 flow [2021-03-11 18:49:26,255 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=124, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=130, PETRI_PLACES=58, PETRI_TRANSITIONS=60} [2021-03-11 18:49:26,255 INFO L335 CegarLoopForPetriNet]: 60 programPoint places, -2 predicate places. [2021-03-11 18:49:26,255 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 60 transitions, 130 flow [2021-03-11 18:49:26,256 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 422.0) internal successors, (1266), 3 states have internal predecessors, (1266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:26,256 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 18:49:26,256 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 18:49:26,256 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-11 18:49:26,256 INFO L428 AbstractCegarLoop]: === Iteration 3 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 18:49:26,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 18:49:26,256 INFO L82 PathProgramCache]: Analyzing trace with hash 736671967, now seen corresponding path program 1 times [2021-03-11 18:49:26,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 18:49:26,256 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113132236] [2021-03-11 18:49:26,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 18:49:26,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 18:49:26,331 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.8 percent of original size [2021-03-11 18:49:26,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 18:49:26,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:26,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 18:49:26,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 18:49:26,347 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113132236] [2021-03-11 18:49:26,347 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 18:49:26,347 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-11 18:49:26,347 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267717084] [2021-03-11 18:49:26,347 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 18:49:26,347 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 18:49:26,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 18:49:26,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 18:49:26,351 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 412 out of 463 [2021-03-11 18:49:26,352 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 60 transitions, 130 flow. Second operand has 3 states, 3 states have (on average 412.6666666666667) internal successors, (1238), 3 states have internal predecessors, (1238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:26,352 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 18:49:26,352 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 412 of 463 [2021-03-11 18:49:26,352 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 18:49:26,380 INFO L129 PetriNetUnfolder]: 19/135 cut-off events. [2021-03-11 18:49:26,380 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 18:49:26,380 INFO L84 FinitePrefix]: Finished finitePrefix Result has 159 conditions, 135 events. 19/135 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 264 event pairs, 0 based on Foata normal form. 2/117 useless extension candidates. Maximal degree in co-relation 155. Up to 12 conditions per place. [2021-03-11 18:49:26,381 INFO L132 encePairwiseOnDemand]: 459/463 looper letters, 4 selfloop transitions, 3 changer transitions 0/62 dead transitions. [2021-03-11 18:49:26,381 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 62 transitions, 148 flow [2021-03-11 18:49:26,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 18:49:26,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-11 18:49:26,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1244 transitions. [2021-03-11 18:49:26,383 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8956083513318934 [2021-03-11 18:49:26,383 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1244 transitions. [2021-03-11 18:49:26,383 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1244 transitions. [2021-03-11 18:49:26,384 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 18:49:26,384 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1244 transitions. [2021-03-11 18:49:26,385 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 414.6666666666667) internal successors, (1244), 3 states have internal predecessors, (1244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:26,387 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 463.0) internal successors, (1852), 4 states have internal predecessors, (1852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:26,388 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 463.0) internal successors, (1852), 4 states have internal predecessors, (1852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:26,388 INFO L185 Difference]: Start difference. First operand has 58 places, 60 transitions, 130 flow. Second operand 3 states and 1244 transitions. [2021-03-11 18:49:26,388 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 62 transitions, 148 flow [2021-03-11 18:49:26,388 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 62 transitions, 142 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-11 18:49:26,390 INFO L241 Difference]: Finished difference. Result has 59 places, 61 transitions, 139 flow [2021-03-11 18:49:26,390 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=124, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=139, PETRI_PLACES=59, PETRI_TRANSITIONS=61} [2021-03-11 18:49:26,390 INFO L335 CegarLoopForPetriNet]: 60 programPoint places, -1 predicate places. [2021-03-11 18:49:26,390 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 61 transitions, 139 flow [2021-03-11 18:49:26,391 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 412.6666666666667) internal successors, (1238), 3 states have internal predecessors, (1238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:26,391 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 18:49:26,391 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 18:49:26,391 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-11 18:49:26,391 INFO L428 AbstractCegarLoop]: === Iteration 4 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 18:49:26,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 18:49:26,392 INFO L82 PathProgramCache]: Analyzing trace with hash 105269628, now seen corresponding path program 1 times [2021-03-11 18:49:26,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 18:49:26,392 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596027825] [2021-03-11 18:49:26,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 18:49:26,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 18:49:26,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:26,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 338 [2021-03-11 18:49:26,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:26,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 338 [2021-03-11 18:49:26,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:26,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 338 [2021-03-11 18:49:26,632 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-11 18:49:26,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 18:49:26,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:26,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 18:49:26,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:26,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 18:49:26,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:26,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 18:49:26,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:26,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 18:49:26,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:26,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 18:49:26,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:26,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 18:49:26,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:26,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 18:49:26,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 18:49:26,661 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596027825] [2021-03-11 18:49:26,661 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 18:49:26,661 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-11 18:49:26,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645584817] [2021-03-11 18:49:26,661 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-11 18:49:26,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 18:49:26,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-11 18:49:26,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-11 18:49:26,668 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 463 [2021-03-11 18:49:26,669 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 61 transitions, 139 flow. Second operand has 5 states, 5 states have (on average 270.2) internal successors, (1351), 5 states have internal predecessors, (1351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:26,669 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 18:49:26,670 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 463 [2021-03-11 18:49:26,670 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 18:49:26,948 INFO L129 PetriNetUnfolder]: 558/1161 cut-off events. [2021-03-11 18:49:26,949 INFO L130 PetriNetUnfolder]: For 63/63 co-relation queries the response was YES. [2021-03-11 18:49:26,950 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2186 conditions, 1161 events. 558/1161 cut-off events. For 63/63 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 5216 event pairs, 389 based on Foata normal form. 0/1002 useless extension candidates. Maximal degree in co-relation 2181. Up to 894 conditions per place. [2021-03-11 18:49:26,954 INFO L132 encePairwiseOnDemand]: 456/463 looper letters, 42 selfloop transitions, 9 changer transitions 0/72 dead transitions. [2021-03-11 18:49:26,954 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 72 transitions, 263 flow [2021-03-11 18:49:26,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-11 18:49:26,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-11 18:49:26,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1660 transitions. [2021-03-11 18:49:26,957 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.597552195824334 [2021-03-11 18:49:26,957 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1660 transitions. [2021-03-11 18:49:26,957 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1660 transitions. [2021-03-11 18:49:26,957 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 18:49:26,957 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1660 transitions. [2021-03-11 18:49:26,960 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 276.6666666666667) internal successors, (1660), 6 states have internal predecessors, (1660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:26,963 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 463.0) internal successors, (3241), 7 states have internal predecessors, (3241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:26,964 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 463.0) internal successors, (3241), 7 states have internal predecessors, (3241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:26,964 INFO L185 Difference]: Start difference. First operand has 59 places, 61 transitions, 139 flow. Second operand 6 states and 1660 transitions. [2021-03-11 18:49:26,964 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 72 transitions, 263 flow [2021-03-11 18:49:26,967 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 72 transitions, 260 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-11 18:49:26,968 INFO L241 Difference]: Finished difference. Result has 67 places, 69 transitions, 194 flow [2021-03-11 18:49:26,968 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=194, PETRI_PLACES=67, PETRI_TRANSITIONS=69} [2021-03-11 18:49:26,968 INFO L335 CegarLoopForPetriNet]: 60 programPoint places, 7 predicate places. [2021-03-11 18:49:26,968 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 69 transitions, 194 flow [2021-03-11 18:49:26,969 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 270.2) internal successors, (1351), 5 states have internal predecessors, (1351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:26,969 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 18:49:26,969 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 18:49:26,969 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-11 18:49:26,969 INFO L428 AbstractCegarLoop]: === Iteration 5 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 18:49:26,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 18:49:26,970 INFO L82 PathProgramCache]: Analyzing trace with hash -1214814139, now seen corresponding path program 1 times [2021-03-11 18:49:26,970 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 18:49:26,970 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720892922] [2021-03-11 18:49:26,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 18:49:27,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 18:49:27,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:27,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 18:49:27,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:27,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 18:49:27,037 INFO L142 QuantifierPusher]: treesize reduction 24, result has 44.2 percent of original size [2021-03-11 18:49:27,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 18:49:27,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:27,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 18:49:27,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:27,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 18:49:27,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:27,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 18:49:27,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:27,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 18:49:27,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 18:49:27,059 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720892922] [2021-03-11 18:49:27,059 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 18:49:27,059 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-11 18:49:27,059 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598457758] [2021-03-11 18:49:27,060 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-11 18:49:27,060 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 18:49:27,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-11 18:49:27,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-11 18:49:27,062 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 463 [2021-03-11 18:49:27,063 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 69 transitions, 194 flow. Second operand has 6 states, 6 states have (on average 263.0) internal successors, (1578), 6 states have internal predecessors, (1578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:27,063 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 18:49:27,063 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 463 [2021-03-11 18:49:27,063 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 18:49:27,297 INFO L129 PetriNetUnfolder]: 667/1366 cut-off events. [2021-03-11 18:49:27,297 INFO L130 PetriNetUnfolder]: For 87/87 co-relation queries the response was YES. [2021-03-11 18:49:27,299 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2673 conditions, 1366 events. 667/1366 cut-off events. For 87/87 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 6468 event pairs, 142 based on Foata normal form. 4/1199 useless extension candidates. Maximal degree in co-relation 2664. Up to 795 conditions per place. [2021-03-11 18:49:27,302 INFO L132 encePairwiseOnDemand]: 447/463 looper letters, 63 selfloop transitions, 21 changer transitions 0/105 dead transitions. [2021-03-11 18:49:27,303 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 105 transitions, 449 flow [2021-03-11 18:49:27,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-11 18:49:27,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-11 18:49:27,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1907 transitions. [2021-03-11 18:49:27,306 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5883986423943227 [2021-03-11 18:49:27,306 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1907 transitions. [2021-03-11 18:49:27,306 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1907 transitions. [2021-03-11 18:49:27,306 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 18:49:27,307 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1907 transitions. [2021-03-11 18:49:27,309 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 272.42857142857144) internal successors, (1907), 7 states have internal predecessors, (1907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:27,313 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 463.0) internal successors, (3704), 8 states have internal predecessors, (3704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:27,314 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 463.0) internal successors, (3704), 8 states have internal predecessors, (3704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:27,314 INFO L185 Difference]: Start difference. First operand has 67 places, 69 transitions, 194 flow. Second operand 7 states and 1907 transitions. [2021-03-11 18:49:27,314 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 105 transitions, 449 flow [2021-03-11 18:49:27,315 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 105 transitions, 449 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-11 18:49:27,318 INFO L241 Difference]: Finished difference. Result has 76 places, 77 transitions, 304 flow [2021-03-11 18:49:27,318 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=304, PETRI_PLACES=76, PETRI_TRANSITIONS=77} [2021-03-11 18:49:27,319 INFO L335 CegarLoopForPetriNet]: 60 programPoint places, 16 predicate places. [2021-03-11 18:49:27,319 INFO L480 AbstractCegarLoop]: Abstraction has has 76 places, 77 transitions, 304 flow [2021-03-11 18:49:27,319 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 263.0) internal successors, (1578), 6 states have internal predecessors, (1578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:27,319 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 18:49:27,319 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 18:49:27,319 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-11 18:49:27,319 INFO L428 AbstractCegarLoop]: === Iteration 6 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 18:49:27,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 18:49:27,320 INFO L82 PathProgramCache]: Analyzing trace with hash -996518455, now seen corresponding path program 1 times [2021-03-11 18:49:27,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 18:49:27,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015186173] [2021-03-11 18:49:27,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 18:49:27,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 18:49:27,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:27,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 18:49:27,410 INFO L142 QuantifierPusher]: treesize reduction 34, result has 61.4 percent of original size [2021-03-11 18:49:27,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-11 18:49:27,438 INFO L142 QuantifierPusher]: treesize reduction 20, result has 65.5 percent of original size [2021-03-11 18:49:27,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-11 18:49:27,463 INFO L142 QuantifierPusher]: treesize reduction 12, result has 81.3 percent of original size [2021-03-11 18:49:27,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-11 18:49:27,473 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.0 percent of original size [2021-03-11 18:49:27,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-11 18:49:27,478 INFO L142 QuantifierPusher]: treesize reduction 17, result has 69.6 percent of original size [2021-03-11 18:49:27,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 18:49:27,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:27,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 18:49:27,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:27,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 18:49:27,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:27,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 18:49:27,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:27,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 18:49:27,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 18:49:27,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015186173] [2021-03-11 18:49:27,522 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 18:49:27,522 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-11 18:49:27,522 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191251364] [2021-03-11 18:49:27,522 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-11 18:49:27,522 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 18:49:27,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-11 18:49:27,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-03-11 18:49:27,524 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 463 [2021-03-11 18:49:27,526 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 77 transitions, 304 flow. Second operand has 9 states, 9 states have (on average 238.44444444444446) internal successors, (2146), 9 states have internal predecessors, (2146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:27,526 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 18:49:27,526 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 463 [2021-03-11 18:49:27,526 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 18:49:27,832 INFO L129 PetriNetUnfolder]: 681/1426 cut-off events. [2021-03-11 18:49:27,832 INFO L130 PetriNetUnfolder]: For 464/464 co-relation queries the response was YES. [2021-03-11 18:49:27,835 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3212 conditions, 1426 events. 681/1426 cut-off events. For 464/464 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 6834 event pairs, 450 based on Foata normal form. 0/1270 useless extension candidates. Maximal degree in co-relation 3200. Up to 1096 conditions per place. [2021-03-11 18:49:27,840 INFO L132 encePairwiseOnDemand]: 451/463 looper letters, 54 selfloop transitions, 19 changer transitions 0/92 dead transitions. [2021-03-11 18:49:27,840 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 92 transitions, 495 flow [2021-03-11 18:49:27,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-11 18:49:27,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-11 18:49:27,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2435 transitions. [2021-03-11 18:49:27,844 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5259179265658748 [2021-03-11 18:49:27,844 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 2435 transitions. [2021-03-11 18:49:27,844 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 2435 transitions. [2021-03-11 18:49:27,845 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 18:49:27,845 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 2435 transitions. [2021-03-11 18:49:27,848 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 243.5) internal successors, (2435), 10 states have internal predecessors, (2435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:27,854 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 463.0) internal successors, (5093), 11 states have internal predecessors, (5093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:27,855 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 463.0) internal successors, (5093), 11 states have internal predecessors, (5093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:27,855 INFO L185 Difference]: Start difference. First operand has 76 places, 77 transitions, 304 flow. Second operand 10 states and 2435 transitions. [2021-03-11 18:49:27,855 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 92 transitions, 495 flow [2021-03-11 18:49:27,859 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 92 transitions, 481 flow, removed 3 selfloop flow, removed 2 redundant places. [2021-03-11 18:49:27,860 INFO L241 Difference]: Finished difference. Result has 88 places, 88 transitions, 396 flow [2021-03-11 18:49:27,861 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=396, PETRI_PLACES=88, PETRI_TRANSITIONS=88} [2021-03-11 18:49:27,861 INFO L335 CegarLoopForPetriNet]: 60 programPoint places, 28 predicate places. [2021-03-11 18:49:27,861 INFO L480 AbstractCegarLoop]: Abstraction has has 88 places, 88 transitions, 396 flow [2021-03-11 18:49:27,861 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 238.44444444444446) internal successors, (2146), 9 states have internal predecessors, (2146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:27,861 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 18:49:27,862 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 18:49:27,862 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-11 18:49:27,862 INFO L428 AbstractCegarLoop]: === Iteration 7 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 18:49:27,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 18:49:27,868 INFO L82 PathProgramCache]: Analyzing trace with hash 1037070763, now seen corresponding path program 2 times [2021-03-11 18:49:27,868 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 18:49:27,868 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596658528] [2021-03-11 18:49:27,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 18:49:27,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 18:49:27,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:27,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 18:49:27,919 INFO L142 QuantifierPusher]: treesize reduction 11, result has 71.1 percent of original size [2021-03-11 18:49:27,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 18:49:27,932 INFO L142 QuantifierPusher]: treesize reduction 11, result has 70.3 percent of original size [2021-03-11 18:49:27,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 18:49:27,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:27,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 18:49:27,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:27,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 18:49:27,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:27,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 18:49:27,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:27,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 18:49:27,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 18:49:27,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596658528] [2021-03-11 18:49:27,957 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 18:49:27,957 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-11 18:49:27,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849040486] [2021-03-11 18:49:27,957 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-11 18:49:27,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 18:49:27,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-11 18:49:27,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-11 18:49:27,959 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 259 out of 463 [2021-03-11 18:49:27,960 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 88 transitions, 396 flow. Second operand has 6 states, 6 states have (on average 261.0) internal successors, (1566), 6 states have internal predecessors, (1566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:27,960 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 18:49:27,960 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 259 of 463 [2021-03-11 18:49:27,960 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 18:49:28,193 INFO L129 PetriNetUnfolder]: 678/1437 cut-off events. [2021-03-11 18:49:28,193 INFO L130 PetriNetUnfolder]: For 550/552 co-relation queries the response was YES. [2021-03-11 18:49:28,196 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3337 conditions, 1437 events. 678/1437 cut-off events. For 550/552 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 6989 event pairs, 208 based on Foata normal form. 4/1290 useless extension candidates. Maximal degree in co-relation 3319. Up to 1013 conditions per place. [2021-03-11 18:49:28,200 INFO L132 encePairwiseOnDemand]: 456/463 looper letters, 66 selfloop transitions, 13 changer transitions 0/101 dead transitions. [2021-03-11 18:49:28,200 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 101 transitions, 584 flow [2021-03-11 18:49:28,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-11 18:49:28,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-11 18:49:28,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1613 transitions. [2021-03-11 18:49:28,203 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5806335493160547 [2021-03-11 18:49:28,203 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1613 transitions. [2021-03-11 18:49:28,203 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1613 transitions. [2021-03-11 18:49:28,204 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 18:49:28,204 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1613 transitions. [2021-03-11 18:49:28,206 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 268.8333333333333) internal successors, (1613), 6 states have internal predecessors, (1613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:28,208 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 463.0) internal successors, (3241), 7 states have internal predecessors, (3241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:28,209 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 463.0) internal successors, (3241), 7 states have internal predecessors, (3241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:28,209 INFO L185 Difference]: Start difference. First operand has 88 places, 88 transitions, 396 flow. Second operand 6 states and 1613 transitions. [2021-03-11 18:49:28,209 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 101 transitions, 584 flow [2021-03-11 18:49:28,210 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 101 transitions, 552 flow, removed 7 selfloop flow, removed 4 redundant places. [2021-03-11 18:49:28,211 INFO L241 Difference]: Finished difference. Result has 89 places, 86 transitions, 391 flow [2021-03-11 18:49:28,212 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=348, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=391, PETRI_PLACES=89, PETRI_TRANSITIONS=86} [2021-03-11 18:49:28,212 INFO L335 CegarLoopForPetriNet]: 60 programPoint places, 29 predicate places. [2021-03-11 18:49:28,212 INFO L480 AbstractCegarLoop]: Abstraction has has 89 places, 86 transitions, 391 flow [2021-03-11 18:49:28,212 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 261.0) internal successors, (1566), 6 states have internal predecessors, (1566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:28,212 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 18:49:28,212 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 18:49:28,212 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-11 18:49:28,213 INFO L428 AbstractCegarLoop]: === Iteration 8 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 18:49:28,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 18:49:28,213 INFO L82 PathProgramCache]: Analyzing trace with hash 1030557728, now seen corresponding path program 1 times [2021-03-11 18:49:28,213 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 18:49:28,213 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077013273] [2021-03-11 18:49:28,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 18:49:28,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 18:49:28,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:28,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 18:49:28,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:28,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 18:49:28,263 INFO L142 QuantifierPusher]: treesize reduction 35, result has 56.3 percent of original size [2021-03-11 18:49:28,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-11 18:49:28,287 INFO L142 QuantifierPusher]: treesize reduction 20, result has 59.2 percent of original size [2021-03-11 18:49:28,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 18:49:28,300 INFO L142 QuantifierPusher]: treesize reduction 12, result has 78.2 percent of original size [2021-03-11 18:49:28,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-11 18:49:28,308 INFO L142 QuantifierPusher]: treesize reduction 12, result has 70.7 percent of original size [2021-03-11 18:49:28,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 18:49:28,310 INFO L142 QuantifierPusher]: treesize reduction 14, result has 74.1 percent of original size [2021-03-11 18:49:28,311 INFO L147 QuantifierPusher]: treesize reduction 7, result has 82.5 percent of original size 33 [2021-03-11 18:49:28,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:28,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 18:49:28,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:28,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 18:49:28,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:28,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 18:49:28,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:28,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 18:49:28,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 18:49:28,358 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077013273] [2021-03-11 18:49:28,358 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 18:49:28,358 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-11 18:49:28,359 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156314087] [2021-03-11 18:49:28,360 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-11 18:49:28,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 18:49:28,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-11 18:49:28,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-03-11 18:49:28,363 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 230 out of 463 [2021-03-11 18:49:28,373 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 86 transitions, 391 flow. Second operand has 10 states, 10 states have (on average 231.4) internal successors, (2314), 10 states have internal predecessors, (2314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:28,373 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 18:49:28,373 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 230 of 463 [2021-03-11 18:49:28,373 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 18:49:28,819 INFO L129 PetriNetUnfolder]: 708/1526 cut-off events. [2021-03-11 18:49:28,819 INFO L130 PetriNetUnfolder]: For 583/583 co-relation queries the response was YES. [2021-03-11 18:49:28,823 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3526 conditions, 1526 events. 708/1526 cut-off events. For 583/583 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 7543 event pairs, 238 based on Foata normal form. 4/1364 useless extension candidates. Maximal degree in co-relation 3507. Up to 983 conditions per place. [2021-03-11 18:49:28,828 INFO L132 encePairwiseOnDemand]: 451/463 looper letters, 65 selfloop transitions, 25 changer transitions 7/116 dead transitions. [2021-03-11 18:49:28,828 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 116 transitions, 663 flow [2021-03-11 18:49:28,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-11 18:49:28,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-11 18:49:28,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2379 transitions. [2021-03-11 18:49:28,833 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5138228941684665 [2021-03-11 18:49:28,833 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 2379 transitions. [2021-03-11 18:49:28,833 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 2379 transitions. [2021-03-11 18:49:28,833 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 18:49:28,834 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 2379 transitions. [2021-03-11 18:49:28,836 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 237.9) internal successors, (2379), 10 states have internal predecessors, (2379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:28,840 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 463.0) internal successors, (5093), 11 states have internal predecessors, (5093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:28,842 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 463.0) internal successors, (5093), 11 states have internal predecessors, (5093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:28,842 INFO L185 Difference]: Start difference. First operand has 89 places, 86 transitions, 391 flow. Second operand 10 states and 2379 transitions. [2021-03-11 18:49:28,842 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 116 transitions, 663 flow [2021-03-11 18:49:28,844 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 116 transitions, 642 flow, removed 1 selfloop flow, removed 4 redundant places. [2021-03-11 18:49:28,846 INFO L241 Difference]: Finished difference. Result has 98 places, 91 transitions, 477 flow [2021-03-11 18:49:28,846 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=370, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=477, PETRI_PLACES=98, PETRI_TRANSITIONS=91} [2021-03-11 18:49:28,846 INFO L335 CegarLoopForPetriNet]: 60 programPoint places, 38 predicate places. [2021-03-11 18:49:28,846 INFO L480 AbstractCegarLoop]: Abstraction has has 98 places, 91 transitions, 477 flow [2021-03-11 18:49:28,847 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 231.4) internal successors, (2314), 10 states have internal predecessors, (2314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:28,847 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 18:49:28,847 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 18:49:28,847 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-11 18:49:28,847 INFO L428 AbstractCegarLoop]: === Iteration 9 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 18:49:28,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 18:49:28,847 INFO L82 PathProgramCache]: Analyzing trace with hash -922098246, now seen corresponding path program 2 times [2021-03-11 18:49:28,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 18:49:28,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413390163] [2021-03-11 18:49:28,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 18:49:28,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 18:49:28,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:28,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 18:49:28,919 INFO L142 QuantifierPusher]: treesize reduction 35, result has 66.0 percent of original size [2021-03-11 18:49:28,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-11 18:49:28,952 INFO L142 QuantifierPusher]: treesize reduction 21, result has 68.2 percent of original size [2021-03-11 18:49:28,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-11 18:49:28,975 INFO L142 QuantifierPusher]: treesize reduction 13, result has 83.5 percent of original size [2021-03-11 18:49:28,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-11 18:49:28,982 INFO L142 QuantifierPusher]: treesize reduction 13, result has 77.6 percent of original size [2021-03-11 18:49:28,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-11 18:49:28,984 INFO L142 QuantifierPusher]: treesize reduction 17, result has 70.2 percent of original size [2021-03-11 18:49:28,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-11 18:49:29,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:29,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-11 18:49:29,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:29,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-11 18:49:29,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:29,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 18:49:29,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:29,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 18:49:29,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:29,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 18:49:29,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 18:49:29,057 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413390163] [2021-03-11 18:49:29,058 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 18:49:29,059 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-11 18:49:29,059 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425201903] [2021-03-11 18:49:29,059 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-11 18:49:29,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 18:49:29,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-11 18:49:29,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-03-11 18:49:29,062 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 230 out of 463 [2021-03-11 18:49:29,063 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 91 transitions, 477 flow. Second operand has 10 states, 10 states have (on average 231.4) internal successors, (2314), 10 states have internal predecessors, (2314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:29,063 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 18:49:29,063 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 230 of 463 [2021-03-11 18:49:29,063 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 18:49:29,545 INFO L129 PetriNetUnfolder]: 727/1594 cut-off events. [2021-03-11 18:49:29,545 INFO L130 PetriNetUnfolder]: For 843/847 co-relation queries the response was YES. [2021-03-11 18:49:29,549 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3826 conditions, 1594 events. 727/1594 cut-off events. For 843/847 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 8193 event pairs, 227 based on Foata normal form. 8/1429 useless extension candidates. Maximal degree in co-relation 3803. Up to 937 conditions per place. [2021-03-11 18:49:29,554 INFO L132 encePairwiseOnDemand]: 452/463 looper letters, 68 selfloop transitions, 27 changer transitions 5/119 dead transitions. [2021-03-11 18:49:29,554 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 119 transitions, 764 flow [2021-03-11 18:49:29,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-11 18:49:29,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-11 18:49:29,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2146 transitions. [2021-03-11 18:49:29,558 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5149988000959923 [2021-03-11 18:49:29,558 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2146 transitions. [2021-03-11 18:49:29,558 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2146 transitions. [2021-03-11 18:49:29,559 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 18:49:29,559 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2146 transitions. [2021-03-11 18:49:29,561 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 238.44444444444446) internal successors, (2146), 9 states have internal predecessors, (2146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:29,565 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 463.0) internal successors, (4630), 10 states have internal predecessors, (4630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:29,565 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 463.0) internal successors, (4630), 10 states have internal predecessors, (4630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:29,565 INFO L185 Difference]: Start difference. First operand has 98 places, 91 transitions, 477 flow. Second operand 9 states and 2146 transitions. [2021-03-11 18:49:29,565 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 119 transitions, 764 flow [2021-03-11 18:49:29,568 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 119 transitions, 715 flow, removed 12 selfloop flow, removed 5 redundant places. [2021-03-11 18:49:29,569 INFO L241 Difference]: Finished difference. Result has 103 places, 95 transitions, 539 flow [2021-03-11 18:49:29,570 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=440, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=539, PETRI_PLACES=103, PETRI_TRANSITIONS=95} [2021-03-11 18:49:29,570 INFO L335 CegarLoopForPetriNet]: 60 programPoint places, 43 predicate places. [2021-03-11 18:49:29,570 INFO L480 AbstractCegarLoop]: Abstraction has has 103 places, 95 transitions, 539 flow [2021-03-11 18:49:29,570 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 231.4) internal successors, (2314), 10 states have internal predecessors, (2314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:29,570 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 18:49:29,570 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 18:49:29,570 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-11 18:49:29,570 INFO L428 AbstractCegarLoop]: === Iteration 10 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 18:49:29,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 18:49:29,571 INFO L82 PathProgramCache]: Analyzing trace with hash -827420526, now seen corresponding path program 3 times [2021-03-11 18:49:29,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 18:49:29,571 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627983683] [2021-03-11 18:49:29,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 18:49:29,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 18:49:29,658 INFO L142 QuantifierPusher]: treesize reduction 54, result has 85.8 percent of original size [2021-03-11 18:49:29,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 325 [2021-03-11 18:49:29,743 INFO L142 QuantifierPusher]: treesize reduction 54, result has 85.8 percent of original size [2021-03-11 18:49:29,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 325 [2021-03-11 18:49:29,745 INFO L142 QuantifierPusher]: treesize reduction 38, result has 56.3 percent of original size [2021-03-11 18:49:29,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-11 18:49:29,767 INFO L142 QuantifierPusher]: treesize reduction 20, result has 62.3 percent of original size [2021-03-11 18:49:29,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 18:49:29,785 INFO L142 QuantifierPusher]: treesize reduction 12, result has 79.7 percent of original size [2021-03-11 18:49:29,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-11 18:49:29,793 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.3 percent of original size [2021-03-11 18:49:29,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 18:49:29,794 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.8 percent of original size [2021-03-11 18:49:29,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-11 18:49:29,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:29,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-11 18:49:29,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:29,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 18:49:29,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:29,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 18:49:29,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:29,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 18:49:29,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:29,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 18:49:29,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 18:49:29,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627983683] [2021-03-11 18:49:29,866 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 18:49:29,867 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-11 18:49:29,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316443240] [2021-03-11 18:49:29,867 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-11 18:49:29,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 18:49:29,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-11 18:49:29,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-03-11 18:49:29,869 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 230 out of 463 [2021-03-11 18:49:29,870 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 95 transitions, 539 flow. Second operand has 10 states, 10 states have (on average 231.4) internal successors, (2314), 10 states have internal predecessors, (2314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:29,870 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 18:49:29,870 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 230 of 463 [2021-03-11 18:49:29,870 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 18:49:30,580 INFO L129 PetriNetUnfolder]: 722/1567 cut-off events. [2021-03-11 18:49:30,581 INFO L130 PetriNetUnfolder]: For 836/840 co-relation queries the response was YES. [2021-03-11 18:49:30,585 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3804 conditions, 1567 events. 722/1567 cut-off events. For 836/840 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 7969 event pairs, 218 based on Foata normal form. 5/1405 useless extension candidates. Maximal degree in co-relation 3779. Up to 937 conditions per place. [2021-03-11 18:49:30,590 INFO L132 encePairwiseOnDemand]: 451/463 looper letters, 64 selfloop transitions, 32 changer transitions 7/121 dead transitions. [2021-03-11 18:49:30,590 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 121 transitions, 804 flow [2021-03-11 18:49:30,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-11 18:49:30,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-11 18:49:30,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2608 transitions. [2021-03-11 18:49:30,595 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5120753976045552 [2021-03-11 18:49:30,595 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2608 transitions. [2021-03-11 18:49:30,595 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2608 transitions. [2021-03-11 18:49:30,596 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 18:49:30,596 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2608 transitions. [2021-03-11 18:49:30,599 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 237.0909090909091) internal successors, (2608), 11 states have internal predecessors, (2608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:30,604 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 463.0) internal successors, (5556), 12 states have internal predecessors, (5556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:30,604 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 463.0) internal successors, (5556), 12 states have internal predecessors, (5556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:30,604 INFO L185 Difference]: Start difference. First operand has 103 places, 95 transitions, 539 flow. Second operand 11 states and 2608 transitions. [2021-03-11 18:49:30,604 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 121 transitions, 804 flow [2021-03-11 18:49:30,607 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 121 transitions, 780 flow, removed 3 selfloop flow, removed 4 redundant places. [2021-03-11 18:49:30,609 INFO L241 Difference]: Finished difference. Result has 108 places, 94 transitions, 591 flow [2021-03-11 18:49:30,609 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=507, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=591, PETRI_PLACES=108, PETRI_TRANSITIONS=94} [2021-03-11 18:49:30,609 INFO L335 CegarLoopForPetriNet]: 60 programPoint places, 48 predicate places. [2021-03-11 18:49:30,609 INFO L480 AbstractCegarLoop]: Abstraction has has 108 places, 94 transitions, 591 flow [2021-03-11 18:49:30,610 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 231.4) internal successors, (2314), 10 states have internal predecessors, (2314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:30,610 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 18:49:30,610 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 18:49:30,610 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-11 18:49:30,610 INFO L428 AbstractCegarLoop]: === Iteration 11 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 18:49:30,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 18:49:30,610 INFO L82 PathProgramCache]: Analyzing trace with hash 1944843476, now seen corresponding path program 1 times [2021-03-11 18:49:30,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 18:49:30,610 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421413569] [2021-03-11 18:49:30,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 18:49:30,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 18:49:30,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:30,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 18:49:30,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:30,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 18:49:30,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:30,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 18:49:30,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 18:49:30,635 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421413569] [2021-03-11 18:49:30,635 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 18:49:30,635 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-11 18:49:30,635 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966177112] [2021-03-11 18:49:30,636 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 18:49:30,636 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 18:49:30,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 18:49:30,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 18:49:30,637 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 392 out of 463 [2021-03-11 18:49:30,638 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 94 transitions, 591 flow. Second operand has 3 states, 3 states have (on average 393.6666666666667) internal successors, (1181), 3 states have internal predecessors, (1181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:30,638 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 18:49:30,638 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 392 of 463 [2021-03-11 18:49:30,638 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 18:49:30,680 INFO L129 PetriNetUnfolder]: 49/315 cut-off events. [2021-03-11 18:49:30,680 INFO L130 PetriNetUnfolder]: For 219/220 co-relation queries the response was YES. [2021-03-11 18:49:30,681 INFO L84 FinitePrefix]: Finished finitePrefix Result has 714 conditions, 315 events. 49/315 cut-off events. For 219/220 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1435 event pairs, 3 based on Foata normal form. 32/320 useless extension candidates. Maximal degree in co-relation 687. Up to 49 conditions per place. [2021-03-11 18:49:30,681 INFO L132 encePairwiseOnDemand]: 455/463 looper letters, 1 selfloop transitions, 11 changer transitions 0/91 dead transitions. [2021-03-11 18:49:30,681 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 91 transitions, 599 flow [2021-03-11 18:49:30,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 18:49:30,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-11 18:49:30,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1190 transitions. [2021-03-11 18:49:30,684 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8567314614830813 [2021-03-11 18:49:30,684 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1190 transitions. [2021-03-11 18:49:30,684 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1190 transitions. [2021-03-11 18:49:30,684 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 18:49:30,684 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1190 transitions. [2021-03-11 18:49:30,685 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 396.6666666666667) internal successors, (1190), 3 states have internal predecessors, (1190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:30,687 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 463.0) internal successors, (1852), 4 states have internal predecessors, (1852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:30,687 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 463.0) internal successors, (1852), 4 states have internal predecessors, (1852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:30,687 INFO L185 Difference]: Start difference. First operand has 108 places, 94 transitions, 591 flow. Second operand 3 states and 1190 transitions. [2021-03-11 18:49:30,687 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 91 transitions, 599 flow [2021-03-11 18:49:30,689 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 91 transitions, 550 flow, removed 3 selfloop flow, removed 8 redundant places. [2021-03-11 18:49:30,690 INFO L241 Difference]: Finished difference. Result has 102 places, 91 transitions, 548 flow [2021-03-11 18:49:30,690 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=526, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=548, PETRI_PLACES=102, PETRI_TRANSITIONS=91} [2021-03-11 18:49:30,690 INFO L335 CegarLoopForPetriNet]: 60 programPoint places, 42 predicate places. [2021-03-11 18:49:30,690 INFO L480 AbstractCegarLoop]: Abstraction has has 102 places, 91 transitions, 548 flow [2021-03-11 18:49:30,691 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 393.6666666666667) internal successors, (1181), 3 states have internal predecessors, (1181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:30,691 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 18:49:30,691 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 18:49:30,691 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-11 18:49:30,691 INFO L428 AbstractCegarLoop]: === Iteration 12 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 18:49:30,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 18:49:30,691 INFO L82 PathProgramCache]: Analyzing trace with hash 1007026680, now seen corresponding path program 1 times [2021-03-11 18:49:30,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 18:49:30,691 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19747726] [2021-03-11 18:49:30,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 18:49:30,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 18:49:30,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:30,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 18:49:30,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:30,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 18:49:30,750 INFO L142 QuantifierPusher]: treesize reduction 20, result has 59.2 percent of original size [2021-03-11 18:49:30,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 18:49:30,765 INFO L142 QuantifierPusher]: treesize reduction 10, result has 66.7 percent of original size [2021-03-11 18:49:30,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 18:49:30,774 INFO L142 QuantifierPusher]: treesize reduction 10, result has 73.0 percent of original size [2021-03-11 18:49:30,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 18:49:30,780 INFO L142 QuantifierPusher]: treesize reduction 10, result has 66.7 percent of original size [2021-03-11 18:49:30,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 18:49:30,781 INFO L142 QuantifierPusher]: treesize reduction 22, result has 38.9 percent of original size [2021-03-11 18:49:30,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 18:49:30,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:30,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-11 18:49:30,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:30,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 18:49:30,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:30,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 18:49:30,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:30,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 18:49:30,845 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-11 18:49:30,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 18:49:30,856 INFO L142 QuantifierPusher]: treesize reduction 9, result has 52.6 percent of original size [2021-03-11 18:49:30,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 18:49:30,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:30,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 18:49:30,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:30,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 18:49:30,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:30,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 18:49:30,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:30,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 18:49:30,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 18:49:30,889 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19747726] [2021-03-11 18:49:30,889 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 18:49:30,889 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-11 18:49:30,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465768502] [2021-03-11 18:49:30,890 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-11 18:49:30,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 18:49:30,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-11 18:49:30,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-03-11 18:49:30,893 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 463 [2021-03-11 18:49:30,895 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 91 transitions, 548 flow. Second operand has 14 states, 14 states have (on average 233.07142857142858) internal successors, (3263), 14 states have internal predecessors, (3263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:30,895 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 18:49:30,895 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 463 [2021-03-11 18:49:30,895 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 18:49:31,444 INFO L129 PetriNetUnfolder]: 338/894 cut-off events. [2021-03-11 18:49:31,444 INFO L130 PetriNetUnfolder]: For 618/619 co-relation queries the response was YES. [2021-03-11 18:49:31,446 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2368 conditions, 894 events. 338/894 cut-off events. For 618/619 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 4660 event pairs, 42 based on Foata normal form. 8/835 useless extension candidates. Maximal degree in co-relation 2341. Up to 209 conditions per place. [2021-03-11 18:49:31,449 INFO L132 encePairwiseOnDemand]: 448/463 looper letters, 67 selfloop transitions, 30 changer transitions 13/132 dead transitions. [2021-03-11 18:49:31,449 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 132 transitions, 879 flow [2021-03-11 18:49:31,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-11 18:49:31,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-11 18:49:31,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3093 transitions. [2021-03-11 18:49:31,454 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5138727363349394 [2021-03-11 18:49:31,454 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 3093 transitions. [2021-03-11 18:49:31,454 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 3093 transitions. [2021-03-11 18:49:31,455 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 18:49:31,455 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 3093 transitions. [2021-03-11 18:49:31,458 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 237.92307692307693) internal successors, (3093), 13 states have internal predecessors, (3093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:31,463 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 463.0) internal successors, (6482), 14 states have internal predecessors, (6482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:31,464 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 463.0) internal successors, (6482), 14 states have internal predecessors, (6482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:31,464 INFO L185 Difference]: Start difference. First operand has 102 places, 91 transitions, 548 flow. Second operand 13 states and 3093 transitions. [2021-03-11 18:49:31,464 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 132 transitions, 879 flow [2021-03-11 18:49:31,468 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 132 transitions, 868 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-11 18:49:31,470 INFO L241 Difference]: Finished difference. Result has 116 places, 93 transitions, 626 flow [2021-03-11 18:49:31,470 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=537, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=626, PETRI_PLACES=116, PETRI_TRANSITIONS=93} [2021-03-11 18:49:31,470 INFO L335 CegarLoopForPetriNet]: 60 programPoint places, 56 predicate places. [2021-03-11 18:49:31,470 INFO L480 AbstractCegarLoop]: Abstraction has has 116 places, 93 transitions, 626 flow [2021-03-11 18:49:31,471 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 233.07142857142858) internal successors, (3263), 14 states have internal predecessors, (3263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:31,471 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 18:49:31,471 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 18:49:31,471 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-11 18:49:31,471 INFO L428 AbstractCegarLoop]: === Iteration 13 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 18:49:31,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 18:49:31,471 INFO L82 PathProgramCache]: Analyzing trace with hash -186189381, now seen corresponding path program 1 times [2021-03-11 18:49:31,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 18:49:31,472 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520201283] [2021-03-11 18:49:31,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 18:49:31,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 18:49:31,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:31,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-11 18:49:31,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:31,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 18:49:31,573 INFO L142 QuantifierPusher]: treesize reduction 34, result has 61.4 percent of original size [2021-03-11 18:49:31,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-11 18:49:31,598 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.4 percent of original size [2021-03-11 18:49:31,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-11 18:49:31,612 INFO L142 QuantifierPusher]: treesize reduction 8, result has 88.1 percent of original size [2021-03-11 18:49:31,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-11 18:49:31,639 INFO L142 QuantifierPusher]: treesize reduction 8, result has 82.6 percent of original size [2021-03-11 18:49:31,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-11 18:49:31,641 INFO L142 QuantifierPusher]: treesize reduction 8, result has 80.5 percent of original size [2021-03-11 18:49:31,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 18:49:31,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:31,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 18:49:31,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:31,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-11 18:49:31,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:31,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 18:49:31,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:31,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-11 18:49:31,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:31,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 18:49:31,719 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.2 percent of original size [2021-03-11 18:49:31,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-11 18:49:31,737 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.2 percent of original size [2021-03-11 18:49:31,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 18:49:31,755 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-03-11 18:49:31,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-11 18:49:31,774 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size [2021-03-11 18:49:31,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 18:49:31,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:31,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 18:49:31,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:31,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 18:49:31,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:31,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 18:49:31,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:31,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 18:49:31,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:31,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 18:49:31,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:31,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 18:49:31,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:31,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 18:49:31,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 18:49:31,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520201283] [2021-03-11 18:49:31,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 18:49:31,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-03-11 18:49:31,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594741385] [2021-03-11 18:49:31,861 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-11 18:49:31,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 18:49:31,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-11 18:49:31,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=287, Unknown=0, NotChecked=0, Total=380 [2021-03-11 18:49:31,863 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 213 out of 463 [2021-03-11 18:49:31,865 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 93 transitions, 626 flow. Second operand has 20 states, 20 states have (on average 214.6) internal successors, (4292), 20 states have internal predecessors, (4292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:31,865 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 18:49:31,866 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 213 of 463 [2021-03-11 18:49:31,866 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 18:49:32,777 INFO L129 PetriNetUnfolder]: 618/1430 cut-off events. [2021-03-11 18:49:32,777 INFO L130 PetriNetUnfolder]: For 888/894 co-relation queries the response was YES. [2021-03-11 18:49:32,782 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3675 conditions, 1430 events. 618/1430 cut-off events. For 888/894 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 7301 event pairs, 75 based on Foata normal form. 7/1295 useless extension candidates. Maximal degree in co-relation 3645. Up to 384 conditions per place. [2021-03-11 18:49:32,786 INFO L132 encePairwiseOnDemand]: 446/463 looper letters, 106 selfloop transitions, 35 changer transitions 9/164 dead transitions. [2021-03-11 18:49:32,786 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 164 transitions, 1116 flow [2021-03-11 18:49:32,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-11 18:49:32,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-11 18:49:32,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 3321 transitions. [2021-03-11 18:49:32,797 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.47818574514038875 [2021-03-11 18:49:32,797 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 3321 transitions. [2021-03-11 18:49:32,797 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 3321 transitions. [2021-03-11 18:49:32,798 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 18:49:32,798 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 3321 transitions. [2021-03-11 18:49:32,802 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 221.4) internal successors, (3321), 15 states have internal predecessors, (3321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:32,808 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 463.0) internal successors, (7408), 16 states have internal predecessors, (7408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:32,809 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 463.0) internal successors, (7408), 16 states have internal predecessors, (7408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:32,809 INFO L185 Difference]: Start difference. First operand has 116 places, 93 transitions, 626 flow. Second operand 15 states and 3321 transitions. [2021-03-11 18:49:32,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 164 transitions, 1116 flow [2021-03-11 18:49:32,813 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 164 transitions, 1078 flow, removed 0 selfloop flow, removed 7 redundant places. [2021-03-11 18:49:32,815 INFO L241 Difference]: Finished difference. Result has 125 places, 98 transitions, 693 flow [2021-03-11 18:49:32,815 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=588, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=693, PETRI_PLACES=125, PETRI_TRANSITIONS=98} [2021-03-11 18:49:32,815 INFO L335 CegarLoopForPetriNet]: 60 programPoint places, 65 predicate places. [2021-03-11 18:49:32,815 INFO L480 AbstractCegarLoop]: Abstraction has has 125 places, 98 transitions, 693 flow [2021-03-11 18:49:32,816 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 214.6) internal successors, (4292), 20 states have internal predecessors, (4292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:32,816 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 18:49:32,816 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 18:49:32,816 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-11 18:49:32,816 INFO L428 AbstractCegarLoop]: === Iteration 14 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 18:49:32,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 18:49:32,817 INFO L82 PathProgramCache]: Analyzing trace with hash 815872684, now seen corresponding path program 1 times [2021-03-11 18:49:32,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 18:49:32,817 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632530771] [2021-03-11 18:49:32,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 18:49:32,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 18:49:32,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:32,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 18:49:32,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:32,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 18:49:32,902 INFO L142 QuantifierPusher]: treesize reduction 72, result has 48.2 percent of original size [2021-03-11 18:49:32,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-11 18:49:32,937 INFO L142 QuantifierPusher]: treesize reduction 28, result has 58.2 percent of original size [2021-03-11 18:49:32,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 18:49:32,954 INFO L142 QuantifierPusher]: treesize reduction 14, result has 81.1 percent of original size [2021-03-11 18:49:32,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-11 18:49:32,964 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.6 percent of original size [2021-03-11 18:49:32,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 18:49:32,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:32,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-11 18:49:32,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:32,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-11 18:49:32,997 INFO L142 QuantifierPusher]: treesize reduction 7, result has 89.1 percent of original size [2021-03-11 18:49:33,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-11 18:49:33,041 INFO L142 QuantifierPusher]: treesize reduction 7, result has 89.1 percent of original size [2021-03-11 18:49:33,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-11 18:49:33,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:33,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-11 18:49:33,086 INFO L142 QuantifierPusher]: treesize reduction 7, result has 90.5 percent of original size [2021-03-11 18:49:33,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-11 18:49:33,120 INFO L142 QuantifierPusher]: treesize reduction 6, result has 94.5 percent of original size [2021-03-11 18:49:33,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-03-11 18:49:33,176 INFO L142 QuantifierPusher]: treesize reduction 6, result has 92.8 percent of original size [2021-03-11 18:49:33,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-03-11 18:49:33,227 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.8 percent of original size [2021-03-11 18:49:33,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-03-11 18:49:33,276 INFO L142 QuantifierPusher]: treesize reduction 4, result has 94.2 percent of original size [2021-03-11 18:49:33,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-11 18:49:33,319 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.5 percent of original size [2021-03-11 18:49:33,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-11 18:49:33,362 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.6 percent of original size [2021-03-11 18:49:33,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-11 18:49:33,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:33,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 18:49:33,432 INFO L142 QuantifierPusher]: treesize reduction 7, result has 82.5 percent of original size [2021-03-11 18:49:33,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 18:49:33,461 INFO L142 QuantifierPusher]: treesize reduction 7, result has 89.1 percent of original size [2021-03-11 18:49:33,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-11 18:49:33,499 INFO L142 QuantifierPusher]: treesize reduction 39, result has 33.9 percent of original size [2021-03-11 18:49:33,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 18:49:33,524 INFO L142 QuantifierPusher]: treesize reduction 39, result has 45.1 percent of original size [2021-03-11 18:49:33,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 18:49:33,545 INFO L142 QuantifierPusher]: treesize reduction 39, result has 33.9 percent of original size [2021-03-11 18:49:33,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 18:49:33,546 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-03-11 18:49:33,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 18:49:33,567 INFO L142 QuantifierPusher]: treesize reduction 7, result has 85.1 percent of original size [2021-03-11 18:49:33,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-11 18:49:33,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 18:49:33,610 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632530771] [2021-03-11 18:49:33,610 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 18:49:33,610 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-03-11 18:49:33,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327336892] [2021-03-11 18:49:33,610 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-03-11 18:49:33,610 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 18:49:33,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-03-11 18:49:33,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=442, Unknown=0, NotChecked=0, Total=506 [2021-03-11 18:49:33,613 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 463 [2021-03-11 18:49:33,615 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 98 transitions, 693 flow. Second operand has 23 states, 23 states have (on average 185.52173913043478) internal successors, (4267), 23 states have internal predecessors, (4267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:33,616 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 18:49:33,616 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 463 [2021-03-11 18:49:33,616 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 18:49:36,459 INFO L129 PetriNetUnfolder]: 1774/3479 cut-off events. [2021-03-11 18:49:36,459 INFO L130 PetriNetUnfolder]: For 2755/2757 co-relation queries the response was YES. [2021-03-11 18:49:36,468 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9558 conditions, 3479 events. 1774/3479 cut-off events. For 2755/2757 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 19132 event pairs, 377 based on Foata normal form. 52/3323 useless extension candidates. Maximal degree in co-relation 9524. Up to 1885 conditions per place. [2021-03-11 18:49:36,475 INFO L132 encePairwiseOnDemand]: 438/463 looper letters, 190 selfloop transitions, 90 changer transitions 55/343 dead transitions. [2021-03-11 18:49:36,475 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 343 transitions, 2308 flow [2021-03-11 18:49:36,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-03-11 18:49:36,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2021-03-11 18:49:36,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 6935 transitions. [2021-03-11 18:49:36,484 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.41606671466282696 [2021-03-11 18:49:36,484 INFO L72 ComplementDD]: Start complementDD. Operand 36 states and 6935 transitions. [2021-03-11 18:49:36,484 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 6935 transitions. [2021-03-11 18:49:36,486 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 18:49:36,486 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 36 states and 6935 transitions. [2021-03-11 18:49:36,492 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 37 states, 36 states have (on average 192.63888888888889) internal successors, (6935), 36 states have internal predecessors, (6935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:36,503 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 37 states, 37 states have (on average 463.0) internal successors, (17131), 37 states have internal predecessors, (17131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:36,504 INFO L81 ComplementDD]: Finished complementDD. Result has 37 states, 37 states have (on average 463.0) internal successors, (17131), 37 states have internal predecessors, (17131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:36,504 INFO L185 Difference]: Start difference. First operand has 125 places, 98 transitions, 693 flow. Second operand 36 states and 6935 transitions. [2021-03-11 18:49:36,504 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 343 transitions, 2308 flow [2021-03-11 18:49:36,514 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 343 transitions, 2195 flow, removed 5 selfloop flow, removed 11 redundant places. [2021-03-11 18:49:36,517 INFO L241 Difference]: Finished difference. Result has 170 places, 168 transitions, 1417 flow [2021-03-11 18:49:36,517 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=629, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=36, PETRI_FLOW=1417, PETRI_PLACES=170, PETRI_TRANSITIONS=168} [2021-03-11 18:49:36,517 INFO L335 CegarLoopForPetriNet]: 60 programPoint places, 110 predicate places. [2021-03-11 18:49:36,517 INFO L480 AbstractCegarLoop]: Abstraction has has 170 places, 168 transitions, 1417 flow [2021-03-11 18:49:36,518 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 185.52173913043478) internal successors, (4267), 23 states have internal predecessors, (4267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:36,518 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 18:49:36,518 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 18:49:36,518 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-11 18:49:36,518 INFO L428 AbstractCegarLoop]: === Iteration 15 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 18:49:36,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 18:49:36,518 INFO L82 PathProgramCache]: Analyzing trace with hash -724106502, now seen corresponding path program 2 times [2021-03-11 18:49:36,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 18:49:36,518 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604869252] [2021-03-11 18:49:36,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 18:49:36,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 18:49:36,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:36,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 18:49:36,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:36,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 18:49:36,602 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-03-11 18:49:36,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-11 18:49:36,629 INFO L142 QuantifierPusher]: treesize reduction 64, result has 56.2 percent of original size [2021-03-11 18:49:36,629 INFO L147 QuantifierPusher]: treesize reduction 7, result has 91.5 percent of original size 75 [2021-03-11 18:49:36,673 INFO L142 QuantifierPusher]: treesize reduction 30, result has 61.0 percent of original size [2021-03-11 18:49:36,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-11 18:49:36,703 INFO L142 QuantifierPusher]: treesize reduction 16, result has 81.0 percent of original size [2021-03-11 18:49:36,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-11 18:49:36,714 INFO L142 QuantifierPusher]: treesize reduction 16, result has 74.6 percent of original size [2021-03-11 18:49:36,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-11 18:49:36,716 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.5 percent of original size [2021-03-11 18:49:36,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-11 18:49:36,754 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.6 percent of original size [2021-03-11 18:49:36,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-11 18:49:36,795 INFO L142 QuantifierPusher]: treesize reduction 9, result has 87.8 percent of original size [2021-03-11 18:49:36,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-11 18:49:36,826 INFO L142 QuantifierPusher]: treesize reduction 9, result has 87.8 percent of original size [2021-03-11 18:49:36,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-11 18:49:36,859 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.5 percent of original size [2021-03-11 18:49:36,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-11 18:49:36,893 INFO L142 QuantifierPusher]: treesize reduction 14, result has 86.8 percent of original size [2021-03-11 18:49:36,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-03-11 18:49:36,943 INFO L142 QuantifierPusher]: treesize reduction 14, result has 90.1 percent of original size [2021-03-11 18:49:36,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-03-11 18:49:37,006 INFO L142 QuantifierPusher]: treesize reduction 14, result has 87.8 percent of original size [2021-03-11 18:49:37,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-03-11 18:49:37,062 INFO L142 QuantifierPusher]: treesize reduction 12, result has 90.6 percent of original size [2021-03-11 18:49:37,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-03-11 18:49:37,120 INFO L142 QuantifierPusher]: treesize reduction 12, result has 88.1 percent of original size [2021-03-11 18:49:37,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-11 18:49:37,170 INFO L142 QuantifierPusher]: treesize reduction 10, result has 91.2 percent of original size [2021-03-11 18:49:37,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-03-11 18:49:37,220 INFO L142 QuantifierPusher]: treesize reduction 10, result has 91.2 percent of original size [2021-03-11 18:49:37,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-03-11 18:49:37,267 INFO L142 QuantifierPusher]: treesize reduction 7, result has 82.5 percent of original size [2021-03-11 18:49:37,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 18:49:37,296 INFO L142 QuantifierPusher]: treesize reduction 7, result has 89.1 percent of original size [2021-03-11 18:49:37,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-11 18:49:37,327 INFO L142 QuantifierPusher]: treesize reduction 39, result has 33.9 percent of original size [2021-03-11 18:49:37,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 18:49:37,352 INFO L142 QuantifierPusher]: treesize reduction 39, result has 45.1 percent of original size [2021-03-11 18:49:37,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 18:49:37,372 INFO L142 QuantifierPusher]: treesize reduction 39, result has 33.9 percent of original size [2021-03-11 18:49:37,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 18:49:37,373 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-03-11 18:49:37,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 18:49:37,394 INFO L142 QuantifierPusher]: treesize reduction 7, result has 85.1 percent of original size [2021-03-11 18:49:37,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-11 18:49:37,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 18:49:37,423 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604869252] [2021-03-11 18:49:37,423 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 18:49:37,423 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-03-11 18:49:37,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149521327] [2021-03-11 18:49:37,424 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-03-11 18:49:37,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 18:49:37,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-03-11 18:49:37,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=440, Unknown=0, NotChecked=0, Total=506 [2021-03-11 18:49:37,426 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 463 [2021-03-11 18:49:37,428 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 168 transitions, 1417 flow. Second operand has 23 states, 23 states have (on average 185.52173913043478) internal successors, (4267), 23 states have internal predecessors, (4267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:37,428 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 18:49:37,428 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 463 [2021-03-11 18:49:37,428 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 18:49:39,525 INFO L129 PetriNetUnfolder]: 1731/3389 cut-off events. [2021-03-11 18:49:39,525 INFO L130 PetriNetUnfolder]: For 22701/22701 co-relation queries the response was YES. [2021-03-11 18:49:39,539 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14263 conditions, 3389 events. 1731/3389 cut-off events. For 22701/22701 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 17820 event pairs, 679 based on Foata normal form. 69/3249 useless extension candidates. Maximal degree in co-relation 14208. Up to 2746 conditions per place. [2021-03-11 18:49:39,547 INFO L132 encePairwiseOnDemand]: 440/463 looper letters, 216 selfloop transitions, 42 changer transitions 20/286 dead transitions. [2021-03-11 18:49:39,547 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 286 transitions, 2716 flow [2021-03-11 18:49:39,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-11 18:49:39,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-03-11 18:49:39,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 4965 transitions. [2021-03-11 18:49:39,552 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4124439275627181 [2021-03-11 18:49:39,552 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 4965 transitions. [2021-03-11 18:49:39,552 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 4965 transitions. [2021-03-11 18:49:39,552 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 18:49:39,553 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 4965 transitions. [2021-03-11 18:49:39,556 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 190.96153846153845) internal successors, (4965), 26 states have internal predecessors, (4965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:39,561 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 463.0) internal successors, (12501), 27 states have internal predecessors, (12501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:39,562 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 463.0) internal successors, (12501), 27 states have internal predecessors, (12501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:39,562 INFO L185 Difference]: Start difference. First operand has 170 places, 168 transitions, 1417 flow. Second operand 26 states and 4965 transitions. [2021-03-11 18:49:39,562 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 286 transitions, 2716 flow [2021-03-11 18:49:39,602 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 286 transitions, 2633 flow, removed 28 selfloop flow, removed 6 redundant places. [2021-03-11 18:49:39,606 INFO L241 Difference]: Finished difference. Result has 209 places, 207 transitions, 1992 flow [2021-03-11 18:49:39,606 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=1346, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=1992, PETRI_PLACES=209, PETRI_TRANSITIONS=207} [2021-03-11 18:49:39,606 INFO L335 CegarLoopForPetriNet]: 60 programPoint places, 149 predicate places. [2021-03-11 18:49:39,606 INFO L480 AbstractCegarLoop]: Abstraction has has 209 places, 207 transitions, 1992 flow [2021-03-11 18:49:39,607 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 185.52173913043478) internal successors, (4267), 23 states have internal predecessors, (4267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:39,607 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 18:49:39,607 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 18:49:39,607 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-11 18:49:39,607 INFO L428 AbstractCegarLoop]: === Iteration 16 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 18:49:39,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 18:49:39,607 INFO L82 PathProgramCache]: Analyzing trace with hash 1385688214, now seen corresponding path program 3 times [2021-03-11 18:49:39,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 18:49:39,607 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487192982] [2021-03-11 18:49:39,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 18:49:39,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 18:49:39,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:39,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 18:49:39,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:39,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 18:49:39,691 INFO L142 QuantifierPusher]: treesize reduction 65, result has 53.2 percent of original size [2021-03-11 18:49:39,692 INFO L147 QuantifierPusher]: treesize reduction 7, result has 90.5 percent of original size 67 [2021-03-11 18:49:39,728 INFO L142 QuantifierPusher]: treesize reduction 28, result has 58.2 percent of original size [2021-03-11 18:49:39,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 18:49:39,745 INFO L142 QuantifierPusher]: treesize reduction 30, result has 61.0 percent of original size [2021-03-11 18:49:39,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-11 18:49:39,774 INFO L142 QuantifierPusher]: treesize reduction 16, result has 81.0 percent of original size [2021-03-11 18:49:39,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-11 18:49:39,783 INFO L142 QuantifierPusher]: treesize reduction 16, result has 74.6 percent of original size [2021-03-11 18:49:39,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-11 18:49:39,784 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.5 percent of original size [2021-03-11 18:49:39,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-11 18:49:39,813 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.6 percent of original size [2021-03-11 18:49:39,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-11 18:49:39,839 INFO L142 QuantifierPusher]: treesize reduction 9, result has 87.8 percent of original size [2021-03-11 18:49:39,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-11 18:49:39,877 INFO L142 QuantifierPusher]: treesize reduction 9, result has 87.8 percent of original size [2021-03-11 18:49:39,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-11 18:49:39,909 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.5 percent of original size [2021-03-11 18:49:39,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-11 18:49:39,935 INFO L142 QuantifierPusher]: treesize reduction 15, result has 85.8 percent of original size [2021-03-11 18:49:39,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-03-11 18:49:39,972 INFO L142 QuantifierPusher]: treesize reduction 14, result has 90.1 percent of original size [2021-03-11 18:49:39,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-03-11 18:49:40,045 INFO L142 QuantifierPusher]: treesize reduction 14, result has 87.8 percent of original size [2021-03-11 18:49:40,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-03-11 18:49:40,099 INFO L142 QuantifierPusher]: treesize reduction 12, result has 90.6 percent of original size [2021-03-11 18:49:40,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-03-11 18:49:40,157 INFO L142 QuantifierPusher]: treesize reduction 12, result has 88.1 percent of original size [2021-03-11 18:49:40,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-11 18:49:40,212 INFO L142 QuantifierPusher]: treesize reduction 10, result has 91.2 percent of original size [2021-03-11 18:49:40,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-03-11 18:49:40,264 INFO L142 QuantifierPusher]: treesize reduction 10, result has 91.2 percent of original size [2021-03-11 18:49:40,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-03-11 18:49:40,312 INFO L142 QuantifierPusher]: treesize reduction 7, result has 82.5 percent of original size [2021-03-11 18:49:40,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 18:49:40,341 INFO L142 QuantifierPusher]: treesize reduction 7, result has 89.1 percent of original size [2021-03-11 18:49:40,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-11 18:49:40,383 INFO L142 QuantifierPusher]: treesize reduction 39, result has 33.9 percent of original size [2021-03-11 18:49:40,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 18:49:40,408 INFO L142 QuantifierPusher]: treesize reduction 39, result has 45.1 percent of original size [2021-03-11 18:49:40,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 18:49:40,429 INFO L142 QuantifierPusher]: treesize reduction 39, result has 33.9 percent of original size [2021-03-11 18:49:40,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 18:49:40,430 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-03-11 18:49:40,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 18:49:40,450 INFO L142 QuantifierPusher]: treesize reduction 7, result has 85.1 percent of original size [2021-03-11 18:49:40,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-11 18:49:40,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 18:49:40,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487192982] [2021-03-11 18:49:40,481 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 18:49:40,481 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-03-11 18:49:40,481 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012488207] [2021-03-11 18:49:40,481 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-03-11 18:49:40,481 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 18:49:40,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-03-11 18:49:40,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=441, Unknown=0, NotChecked=0, Total=506 [2021-03-11 18:49:40,484 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 463 [2021-03-11 18:49:40,486 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 207 transitions, 1992 flow. Second operand has 23 states, 23 states have (on average 185.52173913043478) internal successors, (4267), 23 states have internal predecessors, (4267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:40,486 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 18:49:40,486 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 463 [2021-03-11 18:49:40,486 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 18:49:42,900 INFO L129 PetriNetUnfolder]: 1892/3744 cut-off events. [2021-03-11 18:49:42,900 INFO L130 PetriNetUnfolder]: For 102182/102182 co-relation queries the response was YES. [2021-03-11 18:49:42,917 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19867 conditions, 3744 events. 1892/3744 cut-off events. For 102182/102182 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 20509 event pairs, 503 based on Foata normal form. 67/3578 useless extension candidates. Maximal degree in co-relation 19793. Up to 2832 conditions per place. [2021-03-11 18:49:42,925 INFO L132 encePairwiseOnDemand]: 438/463 looper letters, 238 selfloop transitions, 59 changer transitions 22/327 dead transitions. [2021-03-11 18:49:42,925 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 327 transitions, 3612 flow [2021-03-11 18:49:42,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-11 18:49:42,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-03-11 18:49:42,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 5162 transitions. [2021-03-11 18:49:42,929 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4129269658427326 [2021-03-11 18:49:42,929 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 5162 transitions. [2021-03-11 18:49:42,929 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 5162 transitions. [2021-03-11 18:49:42,930 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 18:49:42,930 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 5162 transitions. [2021-03-11 18:49:42,934 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 191.1851851851852) internal successors, (5162), 27 states have internal predecessors, (5162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:42,940 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 463.0) internal successors, (12964), 28 states have internal predecessors, (12964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:42,940 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 463.0) internal successors, (12964), 28 states have internal predecessors, (12964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:42,940 INFO L185 Difference]: Start difference. First operand has 209 places, 207 transitions, 1992 flow. Second operand 27 states and 5162 transitions. [2021-03-11 18:49:42,940 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 327 transitions, 3612 flow [2021-03-11 18:49:43,052 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 327 transitions, 3492 flow, removed 60 selfloop flow, removed 1 redundant places. [2021-03-11 18:49:43,056 INFO L241 Difference]: Finished difference. Result has 251 places, 240 transitions, 2561 flow [2021-03-11 18:49:43,056 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=1874, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=2561, PETRI_PLACES=251, PETRI_TRANSITIONS=240} [2021-03-11 18:49:43,056 INFO L335 CegarLoopForPetriNet]: 60 programPoint places, 191 predicate places. [2021-03-11 18:49:43,056 INFO L480 AbstractCegarLoop]: Abstraction has has 251 places, 240 transitions, 2561 flow [2021-03-11 18:49:43,057 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 185.52173913043478) internal successors, (4267), 23 states have internal predecessors, (4267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:43,057 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 18:49:43,057 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 18:49:43,057 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-11 18:49:43,057 INFO L428 AbstractCegarLoop]: === Iteration 17 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 18:49:43,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 18:49:43,057 INFO L82 PathProgramCache]: Analyzing trace with hash 775780168, now seen corresponding path program 4 times [2021-03-11 18:49:43,057 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 18:49:43,057 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118521879] [2021-03-11 18:49:43,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 18:49:43,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 18:49:43,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:43,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 18:49:43,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:43,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 18:49:43,163 INFO L142 QuantifierPusher]: treesize reduction 62, result has 54.4 percent of original size [2021-03-11 18:49:43,163 INFO L147 QuantifierPusher]: treesize reduction 7, result has 90.5 percent of original size 67 [2021-03-11 18:49:43,202 INFO L142 QuantifierPusher]: treesize reduction 28, result has 58.2 percent of original size [2021-03-11 18:49:43,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 18:49:43,220 INFO L142 QuantifierPusher]: treesize reduction 14, result has 81.1 percent of original size [2021-03-11 18:49:43,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-11 18:49:43,229 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.6 percent of original size [2021-03-11 18:49:43,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 18:49:43,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:43,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-11 18:49:43,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:43,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-11 18:49:43,260 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.6 percent of original size [2021-03-11 18:49:43,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-11 18:49:43,285 INFO L142 QuantifierPusher]: treesize reduction 9, result has 87.8 percent of original size [2021-03-11 18:49:43,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-11 18:49:43,316 INFO L142 QuantifierPusher]: treesize reduction 9, result has 87.8 percent of original size [2021-03-11 18:49:43,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-11 18:49:43,348 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.5 percent of original size [2021-03-11 18:49:43,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-11 18:49:43,375 INFO L142 QuantifierPusher]: treesize reduction 14, result has 86.8 percent of original size [2021-03-11 18:49:43,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-03-11 18:49:43,415 INFO L142 QuantifierPusher]: treesize reduction 14, result has 90.1 percent of original size [2021-03-11 18:49:43,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-03-11 18:49:43,476 INFO L142 QuantifierPusher]: treesize reduction 14, result has 87.8 percent of original size [2021-03-11 18:49:43,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-03-11 18:49:43,530 INFO L142 QuantifierPusher]: treesize reduction 12, result has 90.6 percent of original size [2021-03-11 18:49:43,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-03-11 18:49:43,586 INFO L142 QuantifierPusher]: treesize reduction 12, result has 88.1 percent of original size [2021-03-11 18:49:43,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-11 18:49:43,637 INFO L142 QuantifierPusher]: treesize reduction 10, result has 91.2 percent of original size [2021-03-11 18:49:43,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-03-11 18:49:43,687 INFO L142 QuantifierPusher]: treesize reduction 10, result has 91.2 percent of original size [2021-03-11 18:49:43,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-03-11 18:49:43,735 INFO L142 QuantifierPusher]: treesize reduction 7, result has 82.5 percent of original size [2021-03-11 18:49:43,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 18:49:43,764 INFO L142 QuantifierPusher]: treesize reduction 7, result has 89.1 percent of original size [2021-03-11 18:49:43,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-11 18:49:43,795 INFO L142 QuantifierPusher]: treesize reduction 39, result has 33.9 percent of original size [2021-03-11 18:49:43,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 18:49:43,820 INFO L142 QuantifierPusher]: treesize reduction 39, result has 45.1 percent of original size [2021-03-11 18:49:43,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 18:49:43,841 INFO L142 QuantifierPusher]: treesize reduction 39, result has 33.9 percent of original size [2021-03-11 18:49:43,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 18:49:43,842 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-03-11 18:49:43,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 18:49:43,864 INFO L142 QuantifierPusher]: treesize reduction 7, result has 85.1 percent of original size [2021-03-11 18:49:43,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-11 18:49:43,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 18:49:43,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118521879] [2021-03-11 18:49:43,894 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 18:49:43,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-03-11 18:49:43,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815959309] [2021-03-11 18:49:43,894 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-03-11 18:49:43,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 18:49:43,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-03-11 18:49:43,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=442, Unknown=0, NotChecked=0, Total=506 [2021-03-11 18:49:43,897 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 463 [2021-03-11 18:49:43,898 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 240 transitions, 2561 flow. Second operand has 23 states, 23 states have (on average 185.52173913043478) internal successors, (4267), 23 states have internal predecessors, (4267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:43,898 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 18:49:43,899 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 463 [2021-03-11 18:49:43,899 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 18:49:46,426 INFO L129 PetriNetUnfolder]: 2044/4058 cut-off events. [2021-03-11 18:49:46,427 INFO L130 PetriNetUnfolder]: For 214969/214971 co-relation queries the response was YES. [2021-03-11 18:49:46,501 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24971 conditions, 4058 events. 2044/4058 cut-off events. For 214969/214971 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 22981 event pairs, 531 based on Foata normal form. 51/3852 useless extension candidates. Maximal degree in co-relation 24878. Up to 2693 conditions per place. [2021-03-11 18:49:46,511 INFO L132 encePairwiseOnDemand]: 438/463 looper letters, 254 selfloop transitions, 80 changer transitions 26/368 dead transitions. [2021-03-11 18:49:46,511 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 274 places, 368 transitions, 4588 flow [2021-03-11 18:49:46,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-11 18:49:46,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-03-11 18:49:46,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 4997 transitions. [2021-03-11 18:49:46,517 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4151021764412693 [2021-03-11 18:49:46,517 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 4997 transitions. [2021-03-11 18:49:46,517 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 4997 transitions. [2021-03-11 18:49:46,518 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 18:49:46,518 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 4997 transitions. [2021-03-11 18:49:46,522 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 192.19230769230768) internal successors, (4997), 26 states have internal predecessors, (4997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:46,528 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 463.0) internal successors, (12501), 27 states have internal predecessors, (12501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:46,529 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 463.0) internal successors, (12501), 27 states have internal predecessors, (12501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:46,529 INFO L185 Difference]: Start difference. First operand has 251 places, 240 transitions, 2561 flow. Second operand 26 states and 4997 transitions. [2021-03-11 18:49:46,529 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 274 places, 368 transitions, 4588 flow [2021-03-11 18:49:46,773 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 270 places, 368 transitions, 4377 flow, removed 89 selfloop flow, removed 4 redundant places. [2021-03-11 18:49:46,779 INFO L241 Difference]: Finished difference. Result has 286 places, 269 transitions, 3074 flow [2021-03-11 18:49:46,779 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=2352, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=240, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=3074, PETRI_PLACES=286, PETRI_TRANSITIONS=269} [2021-03-11 18:49:46,779 INFO L335 CegarLoopForPetriNet]: 60 programPoint places, 226 predicate places. [2021-03-11 18:49:46,779 INFO L480 AbstractCegarLoop]: Abstraction has has 286 places, 269 transitions, 3074 flow [2021-03-11 18:49:46,780 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 185.52173913043478) internal successors, (4267), 23 states have internal predecessors, (4267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:46,780 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 18:49:46,780 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 18:49:46,781 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-11 18:49:46,781 INFO L428 AbstractCegarLoop]: === Iteration 18 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 18:49:46,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 18:49:46,781 INFO L82 PathProgramCache]: Analyzing trace with hash -441648146, now seen corresponding path program 5 times [2021-03-11 18:49:46,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 18:49:46,781 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366352755] [2021-03-11 18:49:46,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 18:49:46,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 18:49:46,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:46,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 18:49:46,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:46,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 18:49:46,892 INFO L142 QuantifierPusher]: treesize reduction 65, result has 53.2 percent of original size [2021-03-11 18:49:46,892 INFO L147 QuantifierPusher]: treesize reduction 7, result has 90.5 percent of original size 67 [2021-03-11 18:49:46,931 INFO L142 QuantifierPusher]: treesize reduction 28, result has 58.2 percent of original size [2021-03-11 18:49:46,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 18:49:46,950 INFO L142 QuantifierPusher]: treesize reduction 14, result has 81.1 percent of original size [2021-03-11 18:49:46,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-11 18:49:46,959 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.6 percent of original size [2021-03-11 18:49:46,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 18:49:46,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:46,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-11 18:49:46,979 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.5 percent of original size [2021-03-11 18:49:46,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-11 18:49:47,013 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.6 percent of original size [2021-03-11 18:49:47,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-11 18:49:47,039 INFO L142 QuantifierPusher]: treesize reduction 9, result has 87.8 percent of original size [2021-03-11 18:49:47,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-11 18:49:47,073 INFO L142 QuantifierPusher]: treesize reduction 9, result has 87.8 percent of original size [2021-03-11 18:49:47,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-11 18:49:47,109 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.5 percent of original size [2021-03-11 18:49:47,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-11 18:49:47,138 INFO L142 QuantifierPusher]: treesize reduction 15, result has 85.8 percent of original size [2021-03-11 18:49:47,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-03-11 18:49:47,200 INFO L142 QuantifierPusher]: treesize reduction 14, result has 90.1 percent of original size [2021-03-11 18:49:47,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-03-11 18:49:47,267 INFO L142 QuantifierPusher]: treesize reduction 14, result has 87.8 percent of original size [2021-03-11 18:49:47,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-03-11 18:49:47,323 INFO L142 QuantifierPusher]: treesize reduction 12, result has 90.6 percent of original size [2021-03-11 18:49:47,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-03-11 18:49:47,379 INFO L142 QuantifierPusher]: treesize reduction 12, result has 88.1 percent of original size [2021-03-11 18:49:47,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-11 18:49:47,430 INFO L142 QuantifierPusher]: treesize reduction 10, result has 91.2 percent of original size [2021-03-11 18:49:47,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-03-11 18:49:47,483 INFO L142 QuantifierPusher]: treesize reduction 10, result has 91.2 percent of original size [2021-03-11 18:49:47,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-03-11 18:49:47,530 INFO L142 QuantifierPusher]: treesize reduction 7, result has 82.5 percent of original size [2021-03-11 18:49:47,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 18:49:47,560 INFO L142 QuantifierPusher]: treesize reduction 7, result has 89.1 percent of original size [2021-03-11 18:49:47,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-11 18:49:47,591 INFO L142 QuantifierPusher]: treesize reduction 39, result has 33.9 percent of original size [2021-03-11 18:49:47,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 18:49:47,617 INFO L142 QuantifierPusher]: treesize reduction 39, result has 45.1 percent of original size [2021-03-11 18:49:47,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 18:49:47,638 INFO L142 QuantifierPusher]: treesize reduction 39, result has 33.9 percent of original size [2021-03-11 18:49:47,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 18:49:47,640 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-03-11 18:49:47,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 18:49:47,665 INFO L142 QuantifierPusher]: treesize reduction 7, result has 85.1 percent of original size [2021-03-11 18:49:47,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-11 18:49:47,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 18:49:47,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366352755] [2021-03-11 18:49:47,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 18:49:47,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-03-11 18:49:47,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933741652] [2021-03-11 18:49:47,696 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-03-11 18:49:47,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 18:49:47,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-03-11 18:49:47,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=442, Unknown=0, NotChecked=0, Total=506 [2021-03-11 18:49:47,699 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 463 [2021-03-11 18:49:47,700 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 269 transitions, 3074 flow. Second operand has 23 states, 23 states have (on average 185.52173913043478) internal successors, (4267), 23 states have internal predecessors, (4267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:47,700 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 18:49:47,701 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 463 [2021-03-11 18:49:47,701 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 18:49:48,983 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 77 [2021-03-11 18:49:50,410 INFO L129 PetriNetUnfolder]: 2196/4382 cut-off events. [2021-03-11 18:49:50,410 INFO L130 PetriNetUnfolder]: For 341613/341613 co-relation queries the response was YES. [2021-03-11 18:49:50,442 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29355 conditions, 4382 events. 2196/4382 cut-off events. For 341613/341613 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 25470 event pairs, 535 based on Foata normal form. 49/4150 useless extension candidates. Maximal degree in co-relation 29246. Up to 3408 conditions per place. [2021-03-11 18:49:50,453 INFO L132 encePairwiseOnDemand]: 438/463 looper letters, 291 selfloop transitions, 60 changer transitions 23/382 dead transitions. [2021-03-11 18:49:50,453 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 309 places, 382 transitions, 5151 flow [2021-03-11 18:49:50,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-11 18:49:50,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-03-11 18:49:50,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 4973 transitions. [2021-03-11 18:49:50,458 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.41310848978235587 [2021-03-11 18:49:50,458 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 4973 transitions. [2021-03-11 18:49:50,458 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 4973 transitions. [2021-03-11 18:49:50,459 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 18:49:50,459 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 4973 transitions. [2021-03-11 18:49:50,463 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 191.26923076923077) internal successors, (4973), 26 states have internal predecessors, (4973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:50,468 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 463.0) internal successors, (12501), 27 states have internal predecessors, (12501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:50,468 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 463.0) internal successors, (12501), 27 states have internal predecessors, (12501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:50,468 INFO L185 Difference]: Start difference. First operand has 286 places, 269 transitions, 3074 flow. Second operand 26 states and 4973 transitions. [2021-03-11 18:49:50,468 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 309 places, 382 transitions, 5151 flow [2021-03-11 18:49:50,818 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 382 transitions, 4857 flow, removed 119 selfloop flow, removed 7 redundant places. [2021-03-11 18:49:50,822 INFO L241 Difference]: Finished difference. Result has 318 places, 297 transitions, 3512 flow [2021-03-11 18:49:50,823 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=2796, PETRI_DIFFERENCE_MINUEND_PLACES=277, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=269, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=3512, PETRI_PLACES=318, PETRI_TRANSITIONS=297} [2021-03-11 18:49:50,823 INFO L335 CegarLoopForPetriNet]: 60 programPoint places, 258 predicate places. [2021-03-11 18:49:50,823 INFO L480 AbstractCegarLoop]: Abstraction has has 318 places, 297 transitions, 3512 flow [2021-03-11 18:49:50,823 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 185.52173913043478) internal successors, (4267), 23 states have internal predecessors, (4267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:50,823 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 18:49:50,824 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 18:49:50,824 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-11 18:49:50,824 INFO L428 AbstractCegarLoop]: === Iteration 19 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 18:49:50,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 18:49:50,824 INFO L82 PathProgramCache]: Analyzing trace with hash 1584020872, now seen corresponding path program 6 times [2021-03-11 18:49:50,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 18:49:50,824 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107545525] [2021-03-11 18:49:50,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 18:49:50,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 18:49:50,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:50,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-11 18:49:50,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 18:49:50,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 18:49:50,935 INFO L142 QuantifierPusher]: treesize reduction 62, result has 54.4 percent of original size [2021-03-11 18:49:50,936 INFO L147 QuantifierPusher]: treesize reduction 7, result has 90.5 percent of original size 67 [2021-03-11 18:49:50,980 INFO L142 QuantifierPusher]: treesize reduction 64, result has 56.2 percent of original size [2021-03-11 18:49:50,981 INFO L147 QuantifierPusher]: treesize reduction 7, result has 91.5 percent of original size 75 [2021-03-11 18:49:51,034 INFO L142 QuantifierPusher]: treesize reduction 30, result has 61.0 percent of original size [2021-03-11 18:49:51,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-11 18:49:51,067 INFO L142 QuantifierPusher]: treesize reduction 16, result has 81.0 percent of original size [2021-03-11 18:49:51,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-11 18:49:51,077 INFO L142 QuantifierPusher]: treesize reduction 16, result has 74.6 percent of original size [2021-03-11 18:49:51,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-11 18:49:51,079 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.5 percent of original size [2021-03-11 18:49:51,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-11 18:49:51,115 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.6 percent of original size [2021-03-11 18:49:51,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-11 18:49:51,142 INFO L142 QuantifierPusher]: treesize reduction 9, result has 87.8 percent of original size [2021-03-11 18:49:51,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-11 18:49:51,178 INFO L142 QuantifierPusher]: treesize reduction 9, result has 87.8 percent of original size [2021-03-11 18:49:51,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-11 18:49:51,213 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.5 percent of original size [2021-03-11 18:49:51,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-11 18:49:51,275 INFO L142 QuantifierPusher]: treesize reduction 14, result has 86.8 percent of original size [2021-03-11 18:49:51,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-03-11 18:49:51,315 INFO L142 QuantifierPusher]: treesize reduction 14, result has 90.1 percent of original size [2021-03-11 18:49:51,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-03-11 18:49:51,376 INFO L142 QuantifierPusher]: treesize reduction 14, result has 87.8 percent of original size [2021-03-11 18:49:51,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-03-11 18:49:51,432 INFO L142 QuantifierPusher]: treesize reduction 12, result has 90.6 percent of original size [2021-03-11 18:49:51,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-03-11 18:49:51,498 INFO L142 QuantifierPusher]: treesize reduction 12, result has 88.1 percent of original size [2021-03-11 18:49:51,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-11 18:49:51,560 INFO L142 QuantifierPusher]: treesize reduction 10, result has 91.2 percent of original size [2021-03-11 18:49:51,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-03-11 18:49:51,613 INFO L142 QuantifierPusher]: treesize reduction 10, result has 91.2 percent of original size [2021-03-11 18:49:51,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-03-11 18:49:51,668 INFO L142 QuantifierPusher]: treesize reduction 7, result has 82.5 percent of original size [2021-03-11 18:49:51,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 18:49:51,700 INFO L142 QuantifierPusher]: treesize reduction 7, result has 89.1 percent of original size [2021-03-11 18:49:51,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-11 18:49:51,734 INFO L142 QuantifierPusher]: treesize reduction 39, result has 33.9 percent of original size [2021-03-11 18:49:51,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 18:49:51,762 INFO L142 QuantifierPusher]: treesize reduction 39, result has 45.1 percent of original size [2021-03-11 18:49:51,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 18:49:51,784 INFO L142 QuantifierPusher]: treesize reduction 39, result has 33.9 percent of original size [2021-03-11 18:49:51,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 18:49:51,785 INFO L142 QuantifierPusher]: treesize reduction 21, result has 60.4 percent of original size [2021-03-11 18:49:51,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-11 18:49:51,807 INFO L142 QuantifierPusher]: treesize reduction 7, result has 85.1 percent of original size [2021-03-11 18:49:51,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-11 18:49:51,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 18:49:51,838 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107545525] [2021-03-11 18:49:51,838 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 18:49:51,838 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-03-11 18:49:51,838 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45204812] [2021-03-11 18:49:51,838 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-03-11 18:49:51,838 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 18:49:51,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-03-11 18:49:51,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=441, Unknown=0, NotChecked=0, Total=506 [2021-03-11 18:49:51,841 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 463 [2021-03-11 18:49:51,843 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 297 transitions, 3512 flow. Second operand has 23 states, 23 states have (on average 185.52173913043478) internal successors, (4267), 23 states have internal predecessors, (4267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:51,843 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 18:49:51,843 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 463 [2021-03-11 18:49:51,843 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 18:49:54,726 INFO L129 PetriNetUnfolder]: 2341/4697 cut-off events. [2021-03-11 18:49:54,727 INFO L130 PetriNetUnfolder]: For 495090/495090 co-relation queries the response was YES. [2021-03-11 18:49:54,766 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32963 conditions, 4697 events. 2341/4697 cut-off events. For 495090/495090 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 28000 event pairs, 583 based on Foata normal form. 67/4460 useless extension candidates. Maximal degree in co-relation 32839. Up to 3821 conditions per place. [2021-03-11 18:49:54,779 INFO L132 encePairwiseOnDemand]: 439/463 looper letters, 333 selfloop transitions, 51 changer transitions 20/412 dead transitions. [2021-03-11 18:49:54,779 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 341 places, 412 transitions, 5566 flow [2021-03-11 18:49:54,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-11 18:49:54,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-03-11 18:49:54,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 4963 transitions. [2021-03-11 18:49:54,784 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4122777870078086 [2021-03-11 18:49:54,784 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 4963 transitions. [2021-03-11 18:49:54,784 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 4963 transitions. [2021-03-11 18:49:54,785 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 18:49:54,785 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 4963 transitions. [2021-03-11 18:49:54,789 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 190.8846153846154) internal successors, (4963), 26 states have internal predecessors, (4963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:54,794 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 463.0) internal successors, (12501), 27 states have internal predecessors, (12501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:54,795 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 463.0) internal successors, (12501), 27 states have internal predecessors, (12501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:54,795 INFO L185 Difference]: Start difference. First operand has 318 places, 297 transitions, 3512 flow. Second operand 26 states and 4963 transitions. [2021-03-11 18:49:54,795 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 341 places, 412 transitions, 5566 flow [2021-03-11 18:49:55,269 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 335 places, 412 transitions, 5227 flow, removed 137 selfloop flow, removed 6 redundant places. [2021-03-11 18:49:55,274 INFO L241 Difference]: Finished difference. Result has 356 places, 331 transitions, 4061 flow [2021-03-11 18:49:55,274 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=3186, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=297, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=257, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=4061, PETRI_PLACES=356, PETRI_TRANSITIONS=331} [2021-03-11 18:49:55,275 INFO L335 CegarLoopForPetriNet]: 60 programPoint places, 296 predicate places. [2021-03-11 18:49:55,275 INFO L480 AbstractCegarLoop]: Abstraction has has 356 places, 331 transitions, 4061 flow [2021-03-11 18:49:55,275 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 185.52173913043478) internal successors, (4267), 23 states have internal predecessors, (4267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:49:55,275 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 18:49:55,275 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 18:49:55,275 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-11 18:49:55,275 INFO L428 AbstractCegarLoop]: === Iteration 20 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 18:49:55,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 18:49:55,276 INFO L82 PathProgramCache]: Analyzing trace with hash 1143031234, now seen corresponding path program 7 times [2021-03-11 18:49:55,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 18:49:55,276 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773375983] [2021-03-11 18:49:55,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 18:49:55,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 18:49:57,335 INFO L142 QuantifierPusher]: treesize reduction 62, result has 86.3 percent of original size [2021-03-11 18:49:57,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 390 [2021-03-11 18:49:57,413 INFO L142 QuantifierPusher]: treesize reduction 62, result has 86.3 percent of original size [2021-03-11 18:49:57,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 390 [2021-03-11 18:49:57,415 INFO L142 QuantifierPusher]: treesize reduction 108, result has 80.5 percent of original size [2021-03-11 18:49:57,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 445 [2021-03-11 18:49:57,619 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 53 [2021-03-11 18:49:57,621 INFO L142 QuantifierPusher]: treesize reduction 275, result has 86.9 percent of original size [2021-03-11 18:49:57,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1825 [2021-03-11 18:49:57,956 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 57 [2021-03-11 18:49:57,959 INFO L142 QuantifierPusher]: treesize reduction 155, result has 85.6 percent of original size [2021-03-11 18:49:57,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 925 [2021-03-11 18:49:58,232 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 50 [2021-03-11 18:49:58,234 INFO L142 QuantifierPusher]: treesize reduction 149, result has 84.9 percent of original size [2021-03-11 18:49:58,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 835 [2021-03-11 18:49:58,299 INFO L142 QuantifierPusher]: treesize reduction 149, result has 84.9 percent of original size [2021-03-11 18:49:58,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 835 [2021-03-11 18:49:58,368 INFO L142 QuantifierPusher]: treesize reduction 151, result has 84.8 percent of original size [2021-03-11 18:49:58,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 840 [2021-03-11 18:49:58,772 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 60 [2021-03-11 18:49:58,774 INFO L142 QuantifierPusher]: treesize reduction 226, result has 84.7 percent of original size [2021-03-11 18:49:58,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1253 [2021-03-11 18:49:59,654 WARN L205 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 55 [2021-03-11 18:49:59,656 INFO L142 QuantifierPusher]: treesize reduction 226, result has 84.7 percent of original size [2021-03-11 18:49:59,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1253 [2021-03-11 18:49:59,658 INFO L142 QuantifierPusher]: treesize reduction 220, result has 83.0 percent of original size [2021-03-11 18:49:59,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1071 [2021-03-11 18:50:00,296 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 58 [2021-03-11 18:50:00,298 INFO L142 QuantifierPusher]: treesize reduction 1027, result has 83.5 percent of original size [2021-03-11 18:50:00,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5193 [2021-03-11 18:50:01,220 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 66 [2021-03-11 18:50:01,222 INFO L142 QuantifierPusher]: treesize reduction 530, result has 83.1 percent of original size [2021-03-11 18:50:01,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2609 [2021-03-11 18:50:01,990 WARN L205 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2021-03-11 18:50:01,992 INFO L142 QuantifierPusher]: treesize reduction 27, result has 69.7 percent of original size [2021-03-11 18:50:01,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-11 18:50:02,053 INFO L142 QuantifierPusher]: treesize reduction 23, result has 69.3 percent of original size [2021-03-11 18:50:02,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-11 18:50:02,118 INFO L142 QuantifierPusher]: treesize reduction 42, result has 58.8 percent of original size [2021-03-11 18:50:02,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-11 18:50:02,184 INFO L142 QuantifierPusher]: treesize reduction 30, result has 75.2 percent of original size [2021-03-11 18:50:02,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-03-11 18:50:02,307 INFO L142 QuantifierPusher]: treesize reduction 21, result has 77.9 percent of original size [2021-03-11 18:50:02,308 INFO L147 QuantifierPusher]: treesize reduction 9, result has 87.8 percent of original size 65 [2021-03-11 18:50:02,407 INFO L142 QuantifierPusher]: treesize reduction 28, result has 73.8 percent of original size [2021-03-11 18:50:02,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-11 18:50:02,512 INFO L142 QuantifierPusher]: treesize reduction 28, result has 65.4 percent of original size [2021-03-11 18:50:02,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-11 18:50:02,585 INFO L142 QuantifierPusher]: treesize reduction 26, result has 72.0 percent of original size [2021-03-11 18:50:02,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-11 18:50:02,696 INFO L142 QuantifierPusher]: treesize reduction 23, result has 75.8 percent of original size [2021-03-11 18:50:02,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-11 18:50:02,806 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-03-11 18:50:02,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 18:50:02,895 INFO L142 QuantifierPusher]: treesize reduction 20, result has 80.4 percent of original size [2021-03-11 18:50:02,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-11 18:50:02,996 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size [2021-03-11 18:50:02,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 18:50:03,071 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.7 percent of original size [2021-03-11 18:50:03,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-11 18:50:03,159 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size [2021-03-11 18:50:03,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 18:50:03,160 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.7 percent of original size [2021-03-11 18:50:03,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-11 18:50:03,243 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-03-11 18:50:03,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 18:50:03,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 18:50:03,327 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773375983] [2021-03-11 18:50:03,328 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 18:50:03,328 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-03-11 18:50:03,328 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654509706] [2021-03-11 18:50:03,328 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-03-11 18:50:03,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 18:50:03,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-03-11 18:50:03,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=487, Unknown=0, NotChecked=0, Total=552 [2021-03-11 18:50:03,331 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 463 [2021-03-11 18:50:03,332 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 331 transitions, 4061 flow. Second operand has 24 states, 24 states have (on average 183.45833333333334) internal successors, (4403), 24 states have internal predecessors, (4403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:50:03,332 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 18:50:03,332 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 463 [2021-03-11 18:50:03,332 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 18:50:04,038 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 49 [2021-03-11 18:50:07,185 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 72 [2021-03-11 18:50:10,847 WARN L205 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2021-03-11 18:50:14,645 WARN L205 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 120 DAG size of output: 88 [2021-03-11 18:50:18,189 WARN L205 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 137 DAG size of output: 94 [2021-03-11 18:50:23,028 WARN L205 SmtUtils]: Spent 2.95 s on a formula simplification. DAG size of input: 152 DAG size of output: 99 [2021-03-11 18:50:30,393 WARN L205 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 139 DAG size of output: 115 [2021-03-11 18:50:36,054 WARN L205 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 76 [2021-03-11 18:50:39,544 INFO L129 PetriNetUnfolder]: 2667/5396 cut-off events. [2021-03-11 18:50:39,544 INFO L130 PetriNetUnfolder]: For 761659/761659 co-relation queries the response was YES. [2021-03-11 18:50:39,597 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39048 conditions, 5396 events. 2667/5396 cut-off events. For 761659/761659 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 33658 event pairs, 722 based on Foata normal form. 68/5109 useless extension candidates. Maximal degree in co-relation 38903. Up to 4144 conditions per place. [2021-03-11 18:50:39,609 INFO L132 encePairwiseOnDemand]: 440/463 looper letters, 368 selfloop transitions, 80 changer transitions 24/480 dead transitions. [2021-03-11 18:50:39,609 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 480 transitions, 6630 flow [2021-03-11 18:50:39,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-11 18:50:39,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-03-11 18:50:39,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 4915 transitions. [2021-03-11 18:50:39,614 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4082904136899817 [2021-03-11 18:50:39,615 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 4915 transitions. [2021-03-11 18:50:39,615 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 4915 transitions. [2021-03-11 18:50:39,615 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 18:50:39,615 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 4915 transitions. [2021-03-11 18:50:39,619 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 189.03846153846155) internal successors, (4915), 26 states have internal predecessors, (4915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:50:39,624 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 463.0) internal successors, (12501), 27 states have internal predecessors, (12501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:50:39,624 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 463.0) internal successors, (12501), 27 states have internal predecessors, (12501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:50:39,624 INFO L185 Difference]: Start difference. First operand has 356 places, 331 transitions, 4061 flow. Second operand 26 states and 4915 transitions. [2021-03-11 18:50:39,624 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 480 transitions, 6630 flow [2021-03-11 18:50:40,380 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 377 places, 480 transitions, 6275 flow, removed 176 selfloop flow, removed 2 redundant places. [2021-03-11 18:50:40,388 INFO L241 Difference]: Finished difference. Result has 397 places, 396 transitions, 4991 flow [2021-03-11 18:50:40,389 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=3712, PETRI_DIFFERENCE_MINUEND_PLACES=352, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=331, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=266, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=4991, PETRI_PLACES=397, PETRI_TRANSITIONS=396} [2021-03-11 18:50:40,389 INFO L335 CegarLoopForPetriNet]: 60 programPoint places, 337 predicate places. [2021-03-11 18:50:40,389 INFO L480 AbstractCegarLoop]: Abstraction has has 397 places, 396 transitions, 4991 flow [2021-03-11 18:50:40,390 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 183.45833333333334) internal successors, (4403), 24 states have internal predecessors, (4403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:50:40,390 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 18:50:40,390 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 18:50:40,390 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-03-11 18:50:40,390 INFO L428 AbstractCegarLoop]: === Iteration 21 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 18:50:40,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 18:50:40,390 INFO L82 PathProgramCache]: Analyzing trace with hash -1971440692, now seen corresponding path program 8 times [2021-03-11 18:50:40,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 18:50:40,390 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170132862] [2021-03-11 18:50:40,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 18:50:40,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 18:50:42,090 INFO L142 QuantifierPusher]: treesize reduction 62, result has 86.3 percent of original size [2021-03-11 18:50:42,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 390 [2021-03-11 18:50:42,205 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 33 [2021-03-11 18:50:42,206 INFO L142 QuantifierPusher]: treesize reduction 62, result has 86.3 percent of original size [2021-03-11 18:50:42,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 390 [2021-03-11 18:50:42,209 INFO L142 QuantifierPusher]: treesize reduction 108, result has 80.5 percent of original size [2021-03-11 18:50:42,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 445 [2021-03-11 18:50:42,502 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 53 [2021-03-11 18:50:42,504 INFO L142 QuantifierPusher]: treesize reduction 275, result has 86.9 percent of original size [2021-03-11 18:50:42,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1825 [2021-03-11 18:50:43,043 WARN L205 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 57 [2021-03-11 18:50:43,046 INFO L142 QuantifierPusher]: treesize reduction 155, result has 85.6 percent of original size [2021-03-11 18:50:43,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 925 [2021-03-11 18:50:43,503 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 50 [2021-03-11 18:50:43,505 INFO L142 QuantifierPusher]: treesize reduction 155, result has 85.6 percent of original size [2021-03-11 18:50:43,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 925 [2021-03-11 18:50:43,507 INFO L142 QuantifierPusher]: treesize reduction 149, result has 84.9 percent of original size [2021-03-11 18:50:43,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 835 [2021-03-11 18:50:43,657 INFO L142 QuantifierPusher]: treesize reduction 224, result has 84.8 percent of original size [2021-03-11 18:50:43,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1248 [2021-03-11 18:50:44,911 WARN L205 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 51 [2021-03-11 18:50:44,913 INFO L142 QuantifierPusher]: treesize reduction 224, result has 84.8 percent of original size [2021-03-11 18:50:44,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1248 [2021-03-11 18:50:44,923 INFO L142 QuantifierPusher]: treesize reduction 226, result has 84.7 percent of original size [2021-03-11 18:50:44,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1253 [2021-03-11 18:50:46,082 WARN L205 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 55 [2021-03-11 18:50:46,084 INFO L142 QuantifierPusher]: treesize reduction 220, result has 83.0 percent of original size [2021-03-11 18:50:46,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1071 [2021-03-11 18:50:47,018 WARN L205 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 58 [2021-03-11 18:50:47,020 INFO L142 QuantifierPusher]: treesize reduction 1027, result has 83.5 percent of original size [2021-03-11 18:50:47,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5193 [2021-03-11 18:50:48,555 WARN L205 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 66 [2021-03-11 18:50:48,557 INFO L142 QuantifierPusher]: treesize reduction 530, result has 83.1 percent of original size [2021-03-11 18:50:48,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2609 [2021-03-11 18:50:49,532 WARN L205 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2021-03-11 18:50:49,534 INFO L142 QuantifierPusher]: treesize reduction 27, result has 69.7 percent of original size [2021-03-11 18:50:49,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-11 18:50:49,613 INFO L142 QuantifierPusher]: treesize reduction 23, result has 69.3 percent of original size [2021-03-11 18:50:49,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-11 18:50:49,700 INFO L142 QuantifierPusher]: treesize reduction 42, result has 58.8 percent of original size [2021-03-11 18:50:49,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-11 18:50:49,797 INFO L142 QuantifierPusher]: treesize reduction 30, result has 75.2 percent of original size [2021-03-11 18:50:49,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-03-11 18:50:49,947 INFO L142 QuantifierPusher]: treesize reduction 21, result has 77.9 percent of original size [2021-03-11 18:50:49,948 INFO L147 QuantifierPusher]: treesize reduction 9, result has 87.8 percent of original size 65 [2021-03-11 18:50:50,075 INFO L142 QuantifierPusher]: treesize reduction 28, result has 73.8 percent of original size [2021-03-11 18:50:50,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-11 18:50:50,244 INFO L142 QuantifierPusher]: treesize reduction 28, result has 65.4 percent of original size [2021-03-11 18:50:50,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-11 18:50:50,352 INFO L142 QuantifierPusher]: treesize reduction 26, result has 72.0 percent of original size [2021-03-11 18:50:50,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-11 18:50:50,487 INFO L142 QuantifierPusher]: treesize reduction 23, result has 75.8 percent of original size [2021-03-11 18:50:50,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-11 18:50:50,674 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-03-11 18:50:50,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 18:50:50,786 INFO L142 QuantifierPusher]: treesize reduction 20, result has 80.4 percent of original size [2021-03-11 18:50:50,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-11 18:50:50,918 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size [2021-03-11 18:50:50,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 18:50:51,020 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.7 percent of original size [2021-03-11 18:50:51,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-11 18:50:51,128 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size [2021-03-11 18:50:51,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 18:50:51,129 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.7 percent of original size [2021-03-11 18:50:51,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-11 18:50:51,222 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-03-11 18:50:51,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 18:50:51,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 18:50:51,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170132862] [2021-03-11 18:50:51,310 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 18:50:51,310 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-03-11 18:50:51,310 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878148920] [2021-03-11 18:50:51,310 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-03-11 18:50:51,310 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 18:50:51,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-03-11 18:50:51,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2021-03-11 18:50:51,313 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 463 [2021-03-11 18:50:51,314 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 397 places, 396 transitions, 4991 flow. Second operand has 24 states, 24 states have (on average 185.45833333333334) internal successors, (4451), 24 states have internal predecessors, (4451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:50:51,314 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 18:50:51,314 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 463 [2021-03-11 18:50:51,314 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 18:50:52,407 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 49 [2021-03-11 18:51:01,242 WARN L205 SmtUtils]: Spent 3.41 s on a formula simplification. DAG size of input: 95 DAG size of output: 62 [2021-03-11 18:51:10,920 WARN L205 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2021-03-11 18:51:16,150 WARN L205 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 120 DAG size of output: 88 [2021-03-11 18:51:21,815 WARN L205 SmtUtils]: Spent 3.60 s on a formula simplification. DAG size of input: 137 DAG size of output: 94 [2021-03-11 18:51:28,041 WARN L205 SmtUtils]: Spent 4.07 s on a formula simplification. DAG size of input: 152 DAG size of output: 99 [2021-03-11 18:51:38,563 WARN L205 SmtUtils]: Spent 3.83 s on a formula simplification. DAG size of input: 139 DAG size of output: 115 [2021-03-11 18:51:47,940 WARN L205 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 88 DAG size of output: 76 [2021-03-11 18:51:53,603 INFO L129 PetriNetUnfolder]: 2815/5731 cut-off events. [2021-03-11 18:51:53,604 INFO L130 PetriNetUnfolder]: For 1007783/1007783 co-relation queries the response was YES. [2021-03-11 18:51:53,662 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45270 conditions, 5731 events. 2815/5731 cut-off events. For 1007783/1007783 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 36551 event pairs, 638 based on Foata normal form. 68/5417 useless extension candidates. Maximal degree in co-relation 45106. Up to 3735 conditions per place. [2021-03-11 18:51:53,675 INFO L132 encePairwiseOnDemand]: 439/463 looper letters, 331 selfloop transitions, 155 changer transitions 25/519 dead transitions. [2021-03-11 18:51:53,675 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 421 places, 519 transitions, 7744 flow [2021-03-11 18:51:53,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-11 18:51:53,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-03-11 18:51:53,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 5159 transitions. [2021-03-11 18:51:53,681 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4126869850411967 [2021-03-11 18:51:53,681 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 5159 transitions. [2021-03-11 18:51:53,681 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 5159 transitions. [2021-03-11 18:51:53,682 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 18:51:53,682 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 5159 transitions. [2021-03-11 18:51:53,686 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 191.07407407407408) internal successors, (5159), 27 states have internal predecessors, (5159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:51:53,691 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 463.0) internal successors, (12964), 28 states have internal predecessors, (12964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:51:53,692 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 463.0) internal successors, (12964), 28 states have internal predecessors, (12964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:51:53,692 INFO L185 Difference]: Start difference. First operand has 397 places, 396 transitions, 4991 flow. Second operand 27 states and 5159 transitions. [2021-03-11 18:51:53,692 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 421 places, 519 transitions, 7744 flow [2021-03-11 18:51:54,793 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 419 places, 519 transitions, 7509 flow, removed 111 selfloop flow, removed 2 redundant places. [2021-03-11 18:51:54,802 INFO L241 Difference]: Finished difference. Result has 438 places, 431 transitions, 5989 flow [2021-03-11 18:51:54,803 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=4756, PETRI_DIFFERENCE_MINUEND_PLACES=393, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=396, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=126, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=258, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=5989, PETRI_PLACES=438, PETRI_TRANSITIONS=431} [2021-03-11 18:51:54,803 INFO L335 CegarLoopForPetriNet]: 60 programPoint places, 378 predicate places. [2021-03-11 18:51:54,803 INFO L480 AbstractCegarLoop]: Abstraction has has 438 places, 431 transitions, 5989 flow [2021-03-11 18:51:54,803 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 185.45833333333334) internal successors, (4451), 24 states have internal predecessors, (4451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:51:54,803 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 18:51:54,803 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 18:51:54,803 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-03-11 18:51:54,804 INFO L428 AbstractCegarLoop]: === Iteration 22 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 18:51:54,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 18:51:54,804 INFO L82 PathProgramCache]: Analyzing trace with hash -100514486, now seen corresponding path program 9 times [2021-03-11 18:51:54,804 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 18:51:54,804 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620261743] [2021-03-11 18:51:54,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 18:51:54,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 18:51:56,106 INFO L142 QuantifierPusher]: treesize reduction 62, result has 86.3 percent of original size [2021-03-11 18:51:56,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 390 [2021-03-11 18:51:56,374 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 33 [2021-03-11 18:51:56,377 INFO L142 QuantifierPusher]: treesize reduction 62, result has 86.3 percent of original size [2021-03-11 18:51:56,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 390 [2021-03-11 18:51:56,380 INFO L142 QuantifierPusher]: treesize reduction 108, result has 80.5 percent of original size [2021-03-11 18:51:56,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 445 [2021-03-11 18:51:56,897 WARN L205 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 53 [2021-03-11 18:51:56,899 INFO L142 QuantifierPusher]: treesize reduction 275, result has 86.9 percent of original size [2021-03-11 18:51:56,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1825 [2021-03-11 18:51:57,703 WARN L205 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 57 [2021-03-11 18:51:57,705 INFO L142 QuantifierPusher]: treesize reduction 155, result has 85.6 percent of original size [2021-03-11 18:51:57,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 925 [2021-03-11 18:51:58,500 WARN L205 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 50 [2021-03-11 18:51:58,503 INFO L142 QuantifierPusher]: treesize reduction 155, result has 85.6 percent of original size [2021-03-11 18:51:58,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 925 [2021-03-11 18:51:58,663 INFO L142 QuantifierPusher]: treesize reduction 149, result has 84.9 percent of original size [2021-03-11 18:51:58,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 835 [2021-03-11 18:51:58,893 INFO L142 QuantifierPusher]: treesize reduction 224, result has 84.8 percent of original size [2021-03-11 18:51:58,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1248 [2021-03-11 18:52:01,426 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 72 DAG size of output: 51 [2021-03-11 18:52:01,428 INFO L142 QuantifierPusher]: treesize reduction 224, result has 84.8 percent of original size [2021-03-11 18:52:01,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1248 [2021-03-11 18:52:01,440 INFO L142 QuantifierPusher]: treesize reduction 218, result has 83.0 percent of original size [2021-03-11 18:52:01,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1066 [2021-03-11 18:52:03,370 WARN L205 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 54 [2021-03-11 18:52:03,372 INFO L142 QuantifierPusher]: treesize reduction 220, result has 83.0 percent of original size [2021-03-11 18:52:03,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1071 [2021-03-11 18:52:05,503 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 67 DAG size of output: 58 [2021-03-11 18:52:05,505 INFO L142 QuantifierPusher]: treesize reduction 1027, result has 83.5 percent of original size [2021-03-11 18:52:05,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5193 [2021-03-11 18:52:08,629 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 77 DAG size of output: 66 [2021-03-11 18:52:08,632 INFO L142 QuantifierPusher]: treesize reduction 530, result has 83.1 percent of original size [2021-03-11 18:52:08,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2609 [2021-03-11 18:52:10,589 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2021-03-11 18:52:10,591 INFO L142 QuantifierPusher]: treesize reduction 27, result has 69.7 percent of original size [2021-03-11 18:52:10,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-11 18:52:10,736 INFO L142 QuantifierPusher]: treesize reduction 23, result has 69.3 percent of original size [2021-03-11 18:52:10,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-11 18:52:10,906 INFO L142 QuantifierPusher]: treesize reduction 42, result has 58.8 percent of original size [2021-03-11 18:52:10,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-11 18:52:11,090 INFO L142 QuantifierPusher]: treesize reduction 30, result has 75.2 percent of original size [2021-03-11 18:52:11,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-03-11 18:52:11,366 INFO L142 QuantifierPusher]: treesize reduction 21, result has 77.9 percent of original size [2021-03-11 18:52:11,367 INFO L147 QuantifierPusher]: treesize reduction 9, result has 87.8 percent of original size 65 [2021-03-11 18:52:11,609 INFO L142 QuantifierPusher]: treesize reduction 28, result has 73.8 percent of original size [2021-03-11 18:52:11,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-11 18:52:11,959 INFO L142 QuantifierPusher]: treesize reduction 28, result has 65.4 percent of original size [2021-03-11 18:52:11,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-11 18:52:12,122 INFO L142 QuantifierPusher]: treesize reduction 26, result has 72.0 percent of original size [2021-03-11 18:52:12,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-11 18:52:12,443 INFO L142 QuantifierPusher]: treesize reduction 23, result has 75.8 percent of original size [2021-03-11 18:52:12,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-11 18:52:12,831 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-03-11 18:52:12,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 18:52:13,052 INFO L142 QuantifierPusher]: treesize reduction 20, result has 80.4 percent of original size [2021-03-11 18:52:13,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-11 18:52:13,282 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size [2021-03-11 18:52:13,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 18:52:13,463 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.7 percent of original size [2021-03-11 18:52:13,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-11 18:52:13,714 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size [2021-03-11 18:52:13,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 18:52:13,716 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.7 percent of original size [2021-03-11 18:52:13,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-11 18:52:13,895 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-03-11 18:52:13,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 18:52:14,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 18:52:14,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620261743] [2021-03-11 18:52:14,079 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 18:52:14,079 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-03-11 18:52:14,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080216108] [2021-03-11 18:52:14,080 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-03-11 18:52:14,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 18:52:14,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-03-11 18:52:14,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2021-03-11 18:52:14,082 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 463 [2021-03-11 18:52:14,084 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 438 places, 431 transitions, 5989 flow. Second operand has 24 states, 24 states have (on average 185.45833333333334) internal successors, (4451), 24 states have internal predecessors, (4451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:52:14,084 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 18:52:14,084 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 463 [2021-03-11 18:52:14,084 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 18:52:16,249 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 49 [2021-03-11 18:52:29,658 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2021-03-11 18:52:40,056 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2021-03-11 18:52:51,374 WARN L205 SmtUtils]: Spent 3.88 s on a formula simplification. DAG size of input: 120 DAG size of output: 88 [2021-03-11 18:53:00,545 WARN L205 SmtUtils]: Spent 5.27 s on a formula simplification. DAG size of input: 137 DAG size of output: 94 [2021-03-11 18:53:10,203 WARN L205 SmtUtils]: Spent 6.09 s on a formula simplification. DAG size of input: 152 DAG size of output: 99 [2021-03-11 18:53:27,680 WARN L205 SmtUtils]: Spent 6.21 s on a formula simplification. DAG size of input: 139 DAG size of output: 115 [2021-03-11 18:53:43,999 WARN L205 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 88 DAG size of output: 76 [2021-03-11 18:53:48,188 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-03-11 18:53:53,107 INFO L129 PetriNetUnfolder]: 2979/6062 cut-off events. [2021-03-11 18:53:53,107 INFO L130 PetriNetUnfolder]: For 1270124/1270124 co-relation queries the response was YES. [2021-03-11 18:53:53,175 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53464 conditions, 6062 events. 2979/6062 cut-off events. For 1270124/1270124 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 39334 event pairs, 782 based on Foata normal form. 52/5701 useless extension candidates. Maximal degree in co-relation 53280. Up to 4588 conditions per place. [2021-03-11 18:53:53,189 INFO L132 encePairwiseOnDemand]: 439/463 looper letters, 414 selfloop transitions, 99 changer transitions 26/547 dead transitions. [2021-03-11 18:53:53,189 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 461 places, 547 transitions, 9187 flow [2021-03-11 18:53:53,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-11 18:53:53,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-03-11 18:53:53,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 4971 transitions. [2021-03-11 18:53:53,197 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.41294234922744644 [2021-03-11 18:53:53,197 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 4971 transitions. [2021-03-11 18:53:53,197 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 4971 transitions. [2021-03-11 18:53:53,198 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 18:53:53,198 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 4971 transitions. [2021-03-11 18:53:53,201 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 191.19230769230768) internal successors, (4971), 26 states have internal predecessors, (4971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:53:53,207 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 463.0) internal successors, (12501), 27 states have internal predecessors, (12501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:53:53,207 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 463.0) internal successors, (12501), 27 states have internal predecessors, (12501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:53:53,207 INFO L185 Difference]: Start difference. First operand has 438 places, 431 transitions, 5989 flow. Second operand 26 states and 4971 transitions. [2021-03-11 18:53:53,207 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 461 places, 547 transitions, 9187 flow [2021-03-11 18:53:54,654 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 454 places, 547 transitions, 8641 flow, removed 249 selfloop flow, removed 7 redundant places. [2021-03-11 18:53:54,664 INFO L241 Difference]: Finished difference. Result has 472 places, 461 transitions, 6606 flow [2021-03-11 18:53:54,664 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=5623, PETRI_DIFFERENCE_MINUEND_PLACES=429, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=431, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=75, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=345, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=6606, PETRI_PLACES=472, PETRI_TRANSITIONS=461} [2021-03-11 18:53:54,664 INFO L335 CegarLoopForPetriNet]: 60 programPoint places, 412 predicate places. [2021-03-11 18:53:54,664 INFO L480 AbstractCegarLoop]: Abstraction has has 472 places, 461 transitions, 6606 flow [2021-03-11 18:53:54,665 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 185.45833333333334) internal successors, (4451), 24 states have internal predecessors, (4451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:53:54,665 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 18:53:54,665 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 18:53:54,665 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-03-11 18:53:54,665 INFO L428 AbstractCegarLoop]: === Iteration 23 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 18:53:54,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 18:53:54,665 INFO L82 PathProgramCache]: Analyzing trace with hash -2011932270, now seen corresponding path program 10 times [2021-03-11 18:53:54,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 18:53:54,665 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716880555] [2021-03-11 18:53:54,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 18:53:54,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 18:53:56,051 INFO L142 QuantifierPusher]: treesize reduction 62, result has 86.3 percent of original size [2021-03-11 18:53:56,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 390 [2021-03-11 18:53:56,462 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 33 [2021-03-11 18:53:56,465 INFO L142 QuantifierPusher]: treesize reduction 62, result has 86.3 percent of original size [2021-03-11 18:53:56,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 390 [2021-03-11 18:53:56,469 INFO L142 QuantifierPusher]: treesize reduction 108, result has 80.5 percent of original size [2021-03-11 18:53:56,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 445 [2021-03-11 18:53:57,381 WARN L205 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 53 [2021-03-11 18:53:57,388 INFO L142 QuantifierPusher]: treesize reduction 275, result has 86.9 percent of original size [2021-03-11 18:53:57,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1825 [2021-03-11 18:53:58,839 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 87 DAG size of output: 57 [2021-03-11 18:53:58,842 INFO L142 QuantifierPusher]: treesize reduction 155, result has 85.6 percent of original size [2021-03-11 18:53:58,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 925 [2021-03-11 18:54:00,238 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 79 DAG size of output: 50 [2021-03-11 18:54:00,242 INFO L142 QuantifierPusher]: treesize reduction 155, result has 85.6 percent of original size [2021-03-11 18:54:00,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 925 [2021-03-11 18:54:00,564 INFO L142 QuantifierPusher]: treesize reduction 149, result has 84.9 percent of original size [2021-03-11 18:54:00,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 835 [2021-03-11 18:54:00,956 INFO L142 QuantifierPusher]: treesize reduction 224, result has 84.8 percent of original size [2021-03-11 18:54:00,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1248 [2021-03-11 18:54:05,360 WARN L205 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 72 DAG size of output: 51 [2021-03-11 18:54:05,364 INFO L142 QuantifierPusher]: treesize reduction 224, result has 84.8 percent of original size [2021-03-11 18:54:05,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1248 [2021-03-11 18:54:05,368 INFO L142 QuantifierPusher]: treesize reduction 218, result has 83.0 percent of original size [2021-03-11 18:54:05,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1066 [2021-03-11 18:54:08,115 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 63 DAG size of output: 54 [2021-03-11 18:54:08,118 INFO L142 QuantifierPusher]: treesize reduction 1025, result has 83.5 percent of original size [2021-03-11 18:54:08,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5188 [2021-03-11 18:54:12,364 WARN L205 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 74 DAG size of output: 63 [2021-03-11 18:54:12,368 INFO L142 QuantifierPusher]: treesize reduction 528, result has 83.1 percent of original size [2021-03-11 18:54:12,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2604 [2021-03-11 18:54:15,459 WARN L205 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 78 DAG size of output: 68 [2021-03-11 18:54:15,462 INFO L142 QuantifierPusher]: treesize reduction 530, result has 83.1 percent of original size [2021-03-11 18:54:15,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2609 [2021-03-11 18:54:18,465 WARN L205 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2021-03-11 18:54:18,468 INFO L142 QuantifierPusher]: treesize reduction 27, result has 69.7 percent of original size [2021-03-11 18:54:18,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-11 18:54:18,697 INFO L142 QuantifierPusher]: treesize reduction 23, result has 69.3 percent of original size [2021-03-11 18:54:18,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-11 18:54:18,949 INFO L142 QuantifierPusher]: treesize reduction 42, result has 58.8 percent of original size [2021-03-11 18:54:18,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-11 18:54:19,240 INFO L142 QuantifierPusher]: treesize reduction 30, result has 75.2 percent of original size [2021-03-11 18:54:19,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-03-11 18:54:19,811 INFO L142 QuantifierPusher]: treesize reduction 21, result has 77.9 percent of original size [2021-03-11 18:54:19,812 INFO L147 QuantifierPusher]: treesize reduction 9, result has 87.8 percent of original size 65 [2021-03-11 18:54:20,207 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2021-03-11 18:54:20,210 INFO L142 QuantifierPusher]: treesize reduction 28, result has 73.8 percent of original size [2021-03-11 18:54:20,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-11 18:54:20,693 INFO L142 QuantifierPusher]: treesize reduction 28, result has 65.4 percent of original size [2021-03-11 18:54:20,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-11 18:54:20,988 INFO L142 QuantifierPusher]: treesize reduction 26, result has 72.0 percent of original size [2021-03-11 18:54:20,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-11 18:54:21,412 INFO L142 QuantifierPusher]: treesize reduction 23, result has 75.8 percent of original size [2021-03-11 18:54:21,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-11 18:54:22,029 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-03-11 18:54:22,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 18:54:22,329 INFO L142 QuantifierPusher]: treesize reduction 20, result has 80.4 percent of original size [2021-03-11 18:54:22,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-11 18:54:22,697 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 21 [2021-03-11 18:54:22,700 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size [2021-03-11 18:54:22,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 18:54:22,979 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.7 percent of original size [2021-03-11 18:54:22,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-11 18:54:23,220 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size [2021-03-11 18:54:23,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 18:54:23,223 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.7 percent of original size [2021-03-11 18:54:23,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-11 18:54:23,511 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-03-11 18:54:23,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 18:54:23,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 18:54:23,784 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716880555] [2021-03-11 18:54:23,784 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 18:54:23,784 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-03-11 18:54:23,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597469681] [2021-03-11 18:54:23,784 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-03-11 18:54:23,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 18:54:23,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-03-11 18:54:23,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2021-03-11 18:54:23,787 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 463 [2021-03-11 18:54:23,789 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 472 places, 461 transitions, 6606 flow. Second operand has 24 states, 24 states have (on average 185.45833333333334) internal successors, (4451), 24 states have internal predecessors, (4451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:54:23,789 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 18:54:23,789 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 463 [2021-03-11 18:54:23,789 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 18:54:26,889 WARN L205 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 49 [2021-03-11 18:54:46,079 WARN L205 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2021-03-11 18:55:02,794 WARN L205 SmtUtils]: Spent 6.27 s on a formula simplification. DAG size of input: 117 DAG size of output: 85 [2021-03-11 18:55:28,781 WARN L205 SmtUtils]: Spent 5.50 s on a formula simplification. DAG size of input: 120 DAG size of output: 88 [2021-03-11 18:55:42,030 WARN L205 SmtUtils]: Spent 8.45 s on a formula simplification. DAG size of input: 137 DAG size of output: 94 [2021-03-11 18:56:01,675 WARN L205 SmtUtils]: Spent 7.49 s on a formula simplification. DAG size of input: 136 DAG size of output: 92 [2021-03-11 18:56:11,386 WARN L205 SmtUtils]: Spent 7.94 s on a formula simplification. DAG size of input: 152 DAG size of output: 99 [2021-03-11 18:56:55,946 WARN L205 SmtUtils]: Spent 8.44 s on a formula simplification. DAG size of input: 123 DAG size of output: 108 [2021-03-11 18:57:14,797 WARN L205 SmtUtils]: Spent 10.71 s on a formula simplification. DAG size of input: 139 DAG size of output: 115 [2021-03-11 18:57:28,257 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-03-11 18:57:47,840 WARN L205 SmtUtils]: Spent 4.10 s on a formula simplification. DAG size of input: 88 DAG size of output: 76 [2021-03-11 18:57:54,449 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-03-11 18:57:55,637 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-03-11 18:57:56,584 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2021-03-11 18:57:58,641 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-03-11 18:58:01,046 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2021-03-11 18:58:03,132 INFO L129 PetriNetUnfolder]: 3456/7024 cut-off events. [2021-03-11 18:58:03,132 INFO L130 PetriNetUnfolder]: For 1481637/1481641 co-relation queries the response was YES. [2021-03-11 18:58:03,226 INFO L84 FinitePrefix]: Finished finitePrefix Result has 63234 conditions, 7024 events. 3456/7024 cut-off events. For 1481637/1481641 co-relation queries the response was YES. Maximal size of possible extension queue 200. Compared 47606 event pairs, 846 based on Foata normal form. 80/6595 useless extension candidates. Maximal degree in co-relation 63034. Up to 4090 conditions per place. [2021-03-11 18:58:03,245 INFO L132 encePairwiseOnDemand]: 439/463 looper letters, 421 selfloop transitions, 186 changer transitions 38/653 dead transitions. [2021-03-11 18:58:03,245 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 499 places, 653 transitions, 11470 flow [2021-03-11 18:58:03,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-11 18:58:03,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-03-11 18:58:03,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 5759 transitions. [2021-03-11 18:58:03,255 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4146148308135349 [2021-03-11 18:58:03,255 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 5759 transitions. [2021-03-11 18:58:03,256 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 5759 transitions. [2021-03-11 18:58:03,256 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 18:58:03,256 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 5759 transitions. [2021-03-11 18:58:03,259 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 191.96666666666667) internal successors, (5759), 30 states have internal predecessors, (5759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:58:03,265 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 463.0) internal successors, (14353), 31 states have internal predecessors, (14353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:58:03,266 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 463.0) internal successors, (14353), 31 states have internal predecessors, (14353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:58:03,266 INFO L185 Difference]: Start difference. First operand has 472 places, 461 transitions, 6606 flow. Second operand 30 states and 5759 transitions. [2021-03-11 18:58:03,266 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 499 places, 653 transitions, 11470 flow [2021-03-11 18:58:05,222 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 494 places, 653 transitions, 10818 flow, removed 311 selfloop flow, removed 5 redundant places. [2021-03-11 18:58:05,233 INFO L241 Difference]: Finished difference. Result has 515 places, 532 transitions, 8088 flow [2021-03-11 18:58:05,234 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=6208, PETRI_DIFFERENCE_MINUEND_PLACES=465, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=461, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=123, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=310, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=8088, PETRI_PLACES=515, PETRI_TRANSITIONS=532} [2021-03-11 18:58:05,234 INFO L335 CegarLoopForPetriNet]: 60 programPoint places, 455 predicate places. [2021-03-11 18:58:05,234 INFO L480 AbstractCegarLoop]: Abstraction has has 515 places, 532 transitions, 8088 flow [2021-03-11 18:58:05,235 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 185.45833333333334) internal successors, (4451), 24 states have internal predecessors, (4451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:58:05,235 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 18:58:05,235 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 18:58:05,235 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-03-11 18:58:05,235 INFO L428 AbstractCegarLoop]: === Iteration 24 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 18:58:05,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 18:58:05,236 INFO L82 PathProgramCache]: Analyzing trace with hash 1116913828, now seen corresponding path program 11 times [2021-03-11 18:58:05,236 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 18:58:05,236 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281899691] [2021-03-11 18:58:05,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 18:58:05,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 18:58:06,696 INFO L142 QuantifierPusher]: treesize reduction 62, result has 86.3 percent of original size [2021-03-11 18:58:06,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 390 [2021-03-11 18:58:07,357 WARN L205 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 33 [2021-03-11 18:58:07,361 INFO L142 QuantifierPusher]: treesize reduction 62, result has 86.3 percent of original size [2021-03-11 18:58:07,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 390 [2021-03-11 18:58:07,366 INFO L142 QuantifierPusher]: treesize reduction 108, result has 80.5 percent of original size [2021-03-11 18:58:07,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 445 [2021-03-11 18:58:08,706 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 77 DAG size of output: 53 [2021-03-11 18:58:08,711 INFO L142 QuantifierPusher]: treesize reduction 275, result has 86.9 percent of original size [2021-03-11 18:58:08,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1825 [2021-03-11 18:58:10,888 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 87 DAG size of output: 57 [2021-03-11 18:58:10,893 INFO L142 QuantifierPusher]: treesize reduction 155, result has 85.6 percent of original size [2021-03-11 18:58:10,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 925 [2021-03-11 18:58:13,174 WARN L205 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 79 DAG size of output: 50 [2021-03-11 18:58:13,179 INFO L142 QuantifierPusher]: treesize reduction 155, result has 85.6 percent of original size [2021-03-11 18:58:13,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 925 [2021-03-11 18:58:13,185 INFO L142 QuantifierPusher]: treesize reduction 149, result has 84.9 percent of original size [2021-03-11 18:58:13,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 835 [2021-03-11 18:58:13,758 INFO L142 QuantifierPusher]: treesize reduction 224, result has 84.8 percent of original size [2021-03-11 18:58:13,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1248 [2021-03-11 18:58:20,226 WARN L205 SmtUtils]: Spent 3.56 s on a formula simplification. DAG size of input: 72 DAG size of output: 51 [2021-03-11 18:58:20,231 INFO L142 QuantifierPusher]: treesize reduction 224, result has 84.8 percent of original size [2021-03-11 18:58:20,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1248 [2021-03-11 18:58:20,236 INFO L142 QuantifierPusher]: treesize reduction 218, result has 83.0 percent of original size [2021-03-11 18:58:20,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1066 [2021-03-11 18:58:24,316 WARN L205 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 63 DAG size of output: 54 [2021-03-11 18:58:24,321 INFO L142 QuantifierPusher]: treesize reduction 1025, result has 83.5 percent of original size [2021-03-11 18:58:24,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5188 [2021-03-11 18:58:30,149 WARN L205 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 74 DAG size of output: 63 [2021-03-11 18:58:30,160 INFO L142 QuantifierPusher]: treesize reduction 1027, result has 83.5 percent of original size [2021-03-11 18:58:30,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5193 [2021-03-11 18:58:35,520 WARN L205 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 77 DAG size of output: 66 [2021-03-11 18:58:35,525 INFO L142 QuantifierPusher]: treesize reduction 530, result has 83.1 percent of original size [2021-03-11 18:58:35,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2609 [2021-03-11 18:58:40,409 WARN L205 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2021-03-11 18:58:40,413 INFO L142 QuantifierPusher]: treesize reduction 27, result has 69.7 percent of original size [2021-03-11 18:58:40,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-11 18:58:40,727 INFO L142 QuantifierPusher]: treesize reduction 23, result has 69.3 percent of original size [2021-03-11 18:58:40,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-11 18:58:41,118 INFO L142 QuantifierPusher]: treesize reduction 42, result has 58.8 percent of original size [2021-03-11 18:58:41,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-11 18:58:41,529 INFO L142 QuantifierPusher]: treesize reduction 30, result has 75.2 percent of original size [2021-03-11 18:58:41,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-03-11 18:58:42,214 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-03-11 18:58:42,219 INFO L142 QuantifierPusher]: treesize reduction 21, result has 77.9 percent of original size [2021-03-11 18:58:42,221 INFO L147 QuantifierPusher]: treesize reduction 9, result has 87.8 percent of original size 65 [2021-03-11 18:58:42,760 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2021-03-11 18:58:42,764 INFO L142 QuantifierPusher]: treesize reduction 28, result has 73.8 percent of original size [2021-03-11 18:58:42,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-11 18:58:43,488 INFO L142 QuantifierPusher]: treesize reduction 28, result has 65.4 percent of original size [2021-03-11 18:58:43,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-11 18:58:43,860 INFO L142 QuantifierPusher]: treesize reduction 26, result has 72.0 percent of original size [2021-03-11 18:58:43,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-11 18:58:44,444 INFO L142 QuantifierPusher]: treesize reduction 23, result has 75.8 percent of original size [2021-03-11 18:58:44,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-11 18:58:45,166 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-03-11 18:58:45,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 18:58:45,598 INFO L142 QuantifierPusher]: treesize reduction 20, result has 80.4 percent of original size [2021-03-11 18:58:45,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-11 18:58:46,196 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 21 [2021-03-11 18:58:46,199 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size [2021-03-11 18:58:46,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 18:58:46,592 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.7 percent of original size [2021-03-11 18:58:46,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-11 18:58:46,938 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size [2021-03-11 18:58:46,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 18:58:46,942 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.7 percent of original size [2021-03-11 18:58:46,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-11 18:58:47,348 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-03-11 18:58:47,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 18:58:47,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 18:58:47,755 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281899691] [2021-03-11 18:58:47,755 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 18:58:47,756 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-03-11 18:58:47,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508122039] [2021-03-11 18:58:47,756 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-03-11 18:58:47,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 18:58:47,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-03-11 18:58:47,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2021-03-11 18:58:47,758 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 463 [2021-03-11 18:58:47,760 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 515 places, 532 transitions, 8088 flow. Second operand has 24 states, 24 states have (on average 185.45833333333334) internal successors, (4451), 24 states have internal predecessors, (4451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 18:58:47,760 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 18:58:47,760 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 463 [2021-03-11 18:58:47,760 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 18:58:52,999 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 76 DAG size of output: 49 [2021-03-11 18:59:16,523 WARN L205 SmtUtils]: Spent 3.33 s on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2021-03-11 18:59:51,022 WARN L205 SmtUtils]: Spent 7.67 s on a formula simplification. DAG size of input: 120 DAG size of output: 88 [2021-03-11 19:00:08,973 WARN L205 SmtUtils]: Spent 10.44 s on a formula simplification. DAG size of input: 137 DAG size of output: 94 [2021-03-11 19:00:39,217 WARN L205 SmtUtils]: Spent 13.12 s on a formula simplification. DAG size of input: 152 DAG size of output: 99 [2021-03-11 19:01:22,324 WARN L205 SmtUtils]: Spent 12.86 s on a formula simplification. DAG size of input: 139 DAG size of output: 115 [2021-03-11 19:01:38,214 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-03-11 19:01:52,626 WARN L205 SmtUtils]: Spent 4.95 s on a formula simplification. DAG size of input: 88 DAG size of output: 76 [2021-03-11 19:01:58,902 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-03-11 19:02:00,923 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-03-11 19:02:01,648 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2021-03-11 19:02:04,327 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-03-11 19:02:07,620 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2021-03-11 19:02:10,102 INFO L129 PetriNetUnfolder]: 3600/7339 cut-off events. [2021-03-11 19:02:10,102 INFO L130 PetriNetUnfolder]: For 1569246/1569250 co-relation queries the response was YES. [2021-03-11 19:02:10,257 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68410 conditions, 7339 events. 3600/7339 cut-off events. For 1569246/1569250 co-relation queries the response was YES. Maximal size of possible extension queue 216. Compared 50507 event pairs, 918 based on Foata normal form. 56/6862 useless extension candidates. Maximal degree in co-relation 68190. Up to 4396 conditions per place. [2021-03-11 19:02:10,283 INFO L132 encePairwiseOnDemand]: 439/463 looper letters, 480 selfloop transitions, 147 changer transitions 32/667 dead transitions. [2021-03-11 19:02:10,283 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 538 places, 667 transitions, 12225 flow [2021-03-11 19:02:10,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-11 19:02:10,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-03-11 19:02:10,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 4999 transitions. [2021-03-11 19:02:10,299 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4152683169961788 [2021-03-11 19:02:10,299 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 4999 transitions. [2021-03-11 19:02:10,299 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 4999 transitions. [2021-03-11 19:02:10,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 19:02:10,301 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 4999 transitions. [2021-03-11 19:02:10,305 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 192.26923076923077) internal successors, (4999), 26 states have internal predecessors, (4999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 19:02:10,310 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 463.0) internal successors, (12501), 27 states have internal predecessors, (12501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 19:02:10,311 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 463.0) internal successors, (12501), 27 states have internal predecessors, (12501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 19:02:10,311 INFO L185 Difference]: Start difference. First operand has 515 places, 532 transitions, 8088 flow. Second operand 26 states and 4999 transitions. [2021-03-11 19:02:10,311 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 538 places, 667 transitions, 12225 flow [2021-03-11 19:02:12,886 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 533 places, 667 transitions, 11689 flow, removed 236 selfloop flow, removed 5 redundant places. [2021-03-11 19:02:12,898 INFO L241 Difference]: Finished difference. Result has 550 places, 561 transitions, 8815 flow [2021-03-11 19:02:12,899 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=7556, PETRI_DIFFERENCE_MINUEND_PLACES=508, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=532, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=124, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=398, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=8815, PETRI_PLACES=550, PETRI_TRANSITIONS=561} [2021-03-11 19:02:12,899 INFO L335 CegarLoopForPetriNet]: 60 programPoint places, 490 predicate places. [2021-03-11 19:02:12,899 INFO L480 AbstractCegarLoop]: Abstraction has has 550 places, 561 transitions, 8815 flow [2021-03-11 19:02:12,899 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 185.45833333333334) internal successors, (4451), 24 states have internal predecessors, (4451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 19:02:12,899 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 19:02:12,900 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 19:02:12,900 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-03-11 19:02:12,900 INFO L428 AbstractCegarLoop]: === Iteration 25 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 19:02:12,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 19:02:12,900 INFO L82 PathProgramCache]: Analyzing trace with hash 698962910, now seen corresponding path program 12 times [2021-03-11 19:02:12,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 19:02:12,900 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695409351] [2021-03-11 19:02:12,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 19:02:12,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 19:02:14,339 INFO L142 QuantifierPusher]: treesize reduction 62, result has 86.3 percent of original size [2021-03-11 19:02:14,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 390 [2021-03-11 19:02:15,188 WARN L205 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 33 [2021-03-11 19:02:15,194 INFO L142 QuantifierPusher]: treesize reduction 62, result has 86.3 percent of original size [2021-03-11 19:02:15,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 390 [2021-03-11 19:02:15,202 INFO L142 QuantifierPusher]: treesize reduction 108, result has 80.5 percent of original size [2021-03-11 19:02:15,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 445 [2021-03-11 19:02:17,083 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 77 DAG size of output: 53 [2021-03-11 19:02:17,088 INFO L142 QuantifierPusher]: treesize reduction 275, result has 86.9 percent of original size [2021-03-11 19:02:17,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1825 [2021-03-11 19:02:19,866 WARN L205 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 87 DAG size of output: 57 [2021-03-11 19:02:19,885 INFO L142 QuantifierPusher]: treesize reduction 155, result has 85.6 percent of original size [2021-03-11 19:02:19,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 925 [2021-03-11 19:02:22,631 WARN L205 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 79 DAG size of output: 50 [2021-03-11 19:02:22,637 INFO L142 QuantifierPusher]: treesize reduction 155, result has 85.6 percent of original size [2021-03-11 19:02:22,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 925 [2021-03-11 19:02:23,490 INFO L142 QuantifierPusher]: treesize reduction 149, result has 84.9 percent of original size [2021-03-11 19:02:23,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 835 [2021-03-11 19:02:24,172 INFO L142 QuantifierPusher]: treesize reduction 224, result has 84.8 percent of original size [2021-03-11 19:02:24,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1248 [2021-03-11 19:02:32,515 WARN L205 SmtUtils]: Spent 4.36 s on a formula simplification. DAG size of input: 72 DAG size of output: 51 [2021-03-11 19:02:32,521 INFO L142 QuantifierPusher]: treesize reduction 224, result has 84.8 percent of original size [2021-03-11 19:02:32,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1248 [2021-03-11 19:02:32,527 INFO L142 QuantifierPusher]: treesize reduction 218, result has 83.0 percent of original size [2021-03-11 19:02:32,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1066 [2021-03-11 19:02:38,570 WARN L205 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 63 DAG size of output: 54 [2021-03-11 19:02:38,576 INFO L142 QuantifierPusher]: treesize reduction 1025, result has 83.5 percent of original size [2021-03-11 19:02:38,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5188 [2021-03-11 19:02:44,398 WARN L205 SmtUtils]: Spent 3.72 s on a formula simplification. DAG size of input: 74 DAG size of output: 63 [2021-03-11 19:02:44,404 INFO L142 QuantifierPusher]: treesize reduction 528, result has 83.1 percent of original size [2021-03-11 19:02:44,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2604 [2021-03-11 19:02:49,621 WARN L205 SmtUtils]: Spent 3.59 s on a formula simplification. DAG size of input: 78 DAG size of output: 68 [2021-03-11 19:02:49,626 INFO L142 QuantifierPusher]: treesize reduction 25, result has 69.5 percent of original size [2021-03-11 19:02:49,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-11 19:02:50,081 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2021-03-11 19:02:50,089 INFO L142 QuantifierPusher]: treesize reduction 21, result has 69.1 percent of original size [2021-03-11 19:02:50,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-11 19:02:50,577 INFO L142 QuantifierPusher]: treesize reduction 40, result has 57.9 percent of original size [2021-03-11 19:02:50,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-11 19:02:51,021 INFO L142 QuantifierPusher]: treesize reduction 25, result has 77.5 percent of original size [2021-03-11 19:02:51,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-03-11 19:02:51,818 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-03-11 19:02:51,823 INFO L142 QuantifierPusher]: treesize reduction 16, result has 81.2 percent of original size [2021-03-11 19:02:51,826 INFO L147 QuantifierPusher]: treesize reduction 9, result has 87.0 percent of original size 60 [2021-03-11 19:02:52,389 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2021-03-11 19:02:52,394 INFO L142 QuantifierPusher]: treesize reduction 18, result has 80.4 percent of original size [2021-03-11 19:02:52,396 INFO L147 QuantifierPusher]: treesize reduction 9, result has 87.8 percent of original size 65 [2021-03-11 19:02:53,027 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2021-03-11 19:02:53,032 INFO L142 QuantifierPusher]: treesize reduction 16, result has 84.6 percent of original size [2021-03-11 19:02:53,035 INFO L147 QuantifierPusher]: treesize reduction 9, result has 89.8 percent of original size 79 [2021-03-11 19:02:53,933 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2021-03-11 19:02:53,938 INFO L142 QuantifierPusher]: treesize reduction 25, result has 67.9 percent of original size [2021-03-11 19:02:53,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-11 19:02:54,394 INFO L142 QuantifierPusher]: treesize reduction 23, result has 74.4 percent of original size [2021-03-11 19:02:54,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-11 19:02:55,161 INFO L142 QuantifierPusher]: treesize reduction 23, result has 75.8 percent of original size [2021-03-11 19:02:55,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-11 19:02:56,247 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-03-11 19:02:56,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 19:02:56,597 INFO L142 QuantifierPusher]: treesize reduction 20, result has 80.4 percent of original size [2021-03-11 19:02:56,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-11 19:02:57,192 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 21 [2021-03-11 19:02:57,197 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size [2021-03-11 19:02:57,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 19:02:57,671 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2021-03-11 19:02:57,677 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.7 percent of original size [2021-03-11 19:02:57,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-11 19:02:58,352 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size [2021-03-11 19:02:58,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 19:02:58,357 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.7 percent of original size [2021-03-11 19:02:58,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-11 19:02:58,767 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-03-11 19:02:58,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 19:02:59,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 19:02:59,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695409351] [2021-03-11 19:02:59,223 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 19:02:59,223 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-03-11 19:02:59,223 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880188362] [2021-03-11 19:02:59,224 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-03-11 19:02:59,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 19:02:59,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-03-11 19:02:59,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=491, Unknown=0, NotChecked=0, Total=552 [2021-03-11 19:02:59,227 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 463 [2021-03-11 19:02:59,228 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 550 places, 561 transitions, 8815 flow. Second operand has 24 states, 24 states have (on average 185.45833333333334) internal successors, (4451), 24 states have internal predecessors, (4451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 19:02:59,228 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 19:02:59,228 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 463 [2021-03-11 19:02:59,228 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 19:03:04,949 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 76 DAG size of output: 49 Received shutdown request... [2021-03-11 19:03:34,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-11 19:03:34,173 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-03-11 19:03:34,173 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-11 19:03:34,175 WARN L224 ceAbstractionStarter]: Timeout [2021-03-11 19:03:34,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.03 07:03:34 BasicIcfg [2021-03-11 19:03:34,175 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-11 19:03:34,176 INFO L168 Benchmark]: Toolchain (without parser) took 860628.42 ms. Allocated memory was 255.9 MB in the beginning and 2.1 GB in the end (delta: 1.8 GB). Free memory was 234.1 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 721.6 MB. Max. memory is 16.0 GB. [2021-03-11 19:03:34,176 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 255.9 MB. Free memory was 237.6 MB in the beginning and 237.5 MB in the end (delta: 178.2 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 19:03:34,176 INFO L168 Benchmark]: CACSL2BoogieTranslator took 441.76 ms. Allocated memory was 255.9 MB in the beginning and 360.7 MB in the end (delta: 104.9 MB). Free memory was 233.5 MB in the beginning and 296.1 MB in the end (delta: -62.6 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.0 GB. [2021-03-11 19:03:34,176 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.42 ms. Allocated memory is still 360.7 MB. Free memory was 296.1 MB in the beginning and 293.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-11 19:03:34,176 INFO L168 Benchmark]: Boogie Preprocessor took 21.65 ms. Allocated memory is still 360.7 MB. Free memory was 293.3 MB in the beginning and 291.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-11 19:03:34,176 INFO L168 Benchmark]: RCFGBuilder took 526.36 ms. Allocated memory is still 360.7 MB. Free memory was 291.2 MB in the beginning and 304.8 MB in the end (delta: -13.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-03-11 19:03:34,176 INFO L168 Benchmark]: TraceAbstraction took 859599.34 ms. Allocated memory was 360.7 MB in the beginning and 2.1 GB in the end (delta: 1.7 GB). Free memory was 304.8 MB in the beginning and 1.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 687.1 MB. Max. memory is 16.0 GB. [2021-03-11 19:03:34,176 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 255.9 MB. Free memory was 237.6 MB in the beginning and 237.5 MB in the end (delta: 178.2 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 441.76 ms. Allocated memory was 255.9 MB in the beginning and 360.7 MB in the end (delta: 104.9 MB). Free memory was 233.5 MB in the beginning and 296.1 MB in the end (delta: -62.6 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 33.42 ms. Allocated memory is still 360.7 MB. Free memory was 296.1 MB in the beginning and 293.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 21.65 ms. Allocated memory is still 360.7 MB. Free memory was 293.3 MB in the beginning and 291.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 526.36 ms. Allocated memory is still 360.7 MB. Free memory was 291.2 MB in the beginning and 304.8 MB in the end (delta: -13.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 859599.34 ms. Allocated memory was 360.7 MB in the beginning and 2.1 GB in the end (delta: 1.7 GB). Free memory was 304.8 MB in the beginning and 1.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 687.1 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11144.5ms, 230 PlacesBefore, 60 PlacesAfterwards, 239 TransitionsBefore, 64 TransitionsAfterwards, 15260 CoEnabledTransitionPairs, 7 FixpointIterations, 62 TrivialSequentialCompositions, 120 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 21 ConcurrentYvCompositions, 5 ChoiceCompositions, 212 TotalNumberOfCompositions, 31397 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 14551, positive: 14011, positive conditional: 0, positive unconditional: 14011, negative: 540, negative conditional: 0, negative unconditional: 540, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9941, positive: 9778, positive conditional: 0, positive unconditional: 9778, negative: 163, negative conditional: 0, negative unconditional: 163, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9941, positive: 9737, positive conditional: 0, positive unconditional: 9737, negative: 204, negative conditional: 0, negative unconditional: 204, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 204, positive: 41, positive conditional: 0, positive unconditional: 41, negative: 163, negative conditional: 0, negative unconditional: 163, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 588, positive: 85, positive conditional: 0, positive unconditional: 85, negative: 503, negative conditional: 0, negative unconditional: 503, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 14551, positive: 4233, positive conditional: 0, positive unconditional: 4233, negative: 377, negative conditional: 0, negative unconditional: 377, unknown: 9941, unknown conditional: 0, unknown unconditional: 9941] , Statistics on independence cache: Total cache size (in pairs): 710, Positive cache size: 613, Positive conditional cache size: 0, Positive unconditional cache size: 613, Negative cache size: 97, Negative conditional cache size: 0, Negative unconditional cache size: 97 - TimeoutResultAtElement [Line: 1059]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable (line 1059). Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 25 known predicates. - TimeoutResultAtElement [Line: 1032]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable (line 1032). Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 25 known predicates. - TimeoutResultAtElement [Line: 1043]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable (line 1043). Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 25 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 235 locations, 3 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.6ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 859459.9ms, OverallIterations: 25, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 684408.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11252.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 747 SDtfs, 1964 SDslu, 2462 SDs, 0 SdLazy, 24115 SolverSat, 671 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 389029.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 686 GetRequests, 63 SyntacticMatches, 51 SemanticMatches, 571 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3838 ImplicationChecksByTransitivity, 392221.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=8815occurred in iteration=24, InterpolantAutomatonStates: 400, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 53.8ms SsaConstructionTime, 560.1ms SatisfiabilityAnalysisTime, 162941.2ms InterpolantComputationTime, 689 NumberOfCodeBlocks, 689 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 664 ConstructedInterpolants, 0 QuantifiedInterpolants, 102492 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 25 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown