/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/queue_longer.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-13 06:34:07,624 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-13 06:34:07,625 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-13 06:34:07,642 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-13 06:34:07,643 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-13 06:34:07,643 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-13 06:34:07,644 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-13 06:34:07,645 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-13 06:34:07,646 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-13 06:34:07,647 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-13 06:34:07,647 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-13 06:34:07,648 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-13 06:34:07,648 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-13 06:34:07,649 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-13 06:34:07,649 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-13 06:34:07,650 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-13 06:34:07,651 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-13 06:34:07,651 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-13 06:34:07,652 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-13 06:34:07,653 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-13 06:34:07,654 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-13 06:34:07,654 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-13 06:34:07,655 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-13 06:34:07,656 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-13 06:34:07,657 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-13 06:34:07,657 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-13 06:34:07,658 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-13 06:34:07,658 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-13 06:34:07,658 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-13 06:34:07,659 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-13 06:34:07,659 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-13 06:34:07,660 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-13 06:34:07,660 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-13 06:34:07,661 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-13 06:34:07,661 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-13 06:34:07,661 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-13 06:34:07,662 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-13 06:34:07,662 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-13 06:34:07,662 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-13 06:34:07,663 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-13 06:34:07,663 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-13 06:34:07,664 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2021-06-13 06:34:07,678 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-13 06:34:07,678 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-13 06:34:07,679 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-13 06:34:07,679 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-13 06:34:07,679 INFO L138 SettingsManager]: * Use SBE=true [2021-06-13 06:34:07,679 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-13 06:34:07,679 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-13 06:34:07,680 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-13 06:34:07,680 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-13 06:34:07,680 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-13 06:34:07,680 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-13 06:34:07,680 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-13 06:34:07,680 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-13 06:34:07,680 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-13 06:34:07,680 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-13 06:34:07,681 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-13 06:34:07,681 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-13 06:34:07,681 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-13 06:34:07,681 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-13 06:34:07,681 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-13 06:34:07,681 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-13 06:34:07,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-13 06:34:07,681 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-13 06:34:07,682 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-13 06:34:07,697 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-13 06:34:07,697 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-13 06:34:07,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-13 06:34:07,698 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-13 06:34:07,698 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-13 06:34:07,698 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-13 06:34:07,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-13 06:34:07,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-13 06:34:07,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-13 06:34:07,935 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-13 06:34:07,936 INFO L275 PluginConnector]: CDTParser initialized [2021-06-13 06:34:07,936 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_longer.i [2021-06-13 06:34:07,989 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/899dbed02/38bca47a9b40444094e2a9e8ec0b454d/FLAGcd867802d [2021-06-13 06:34:08,432 INFO L306 CDTParser]: Found 1 translation units. [2021-06-13 06:34:08,433 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longer.i [2021-06-13 06:34:08,448 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/899dbed02/38bca47a9b40444094e2a9e8ec0b454d/FLAGcd867802d [2021-06-13 06:34:08,464 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/899dbed02/38bca47a9b40444094e2a9e8ec0b454d [2021-06-13 06:34:08,469 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-13 06:34:08,471 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-13 06:34:08,471 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-13 06:34:08,472 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-13 06:34:08,474 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-13 06:34:08,475 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.06 06:34:08" (1/1) ... [2021-06-13 06:34:08,476 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74cc460a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 06:34:08, skipping insertion in model container [2021-06-13 06:34:08,476 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.06 06:34:08" (1/1) ... [2021-06-13 06:34:08,481 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-13 06:34:08,521 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-13 06:34:08,882 WARN L224 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] [2021-06-13 06:34:08,887 WARN L224 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] [2021-06-13 06:34:08,889 WARN L224 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] [2021-06-13 06:34:08,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-13 06:34:08,896 INFO L203 MainTranslator]: Completed pre-run [2021-06-13 06:34:08,919 WARN L224 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] [2021-06-13 06:34:08,920 WARN L224 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] [2021-06-13 06:34:08,921 WARN L224 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] [2021-06-13 06:34:08,923 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-13 06:34:09,013 INFO L208 MainTranslator]: Completed translation [2021-06-13 06:34:09,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 06:34:09 WrapperNode [2021-06-13 06:34:09,014 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-13 06:34:09,014 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-13 06:34:09,015 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-13 06:34:09,015 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-13 06:34:09,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 06:34:09" (1/1) ... [2021-06-13 06:34:09,030 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 06:34:09" (1/1) ... [2021-06-13 06:34:09,049 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-13 06:34:09,050 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-13 06:34:09,050 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-13 06:34:09,050 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-13 06:34:09,055 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 06:34:09" (1/1) ... [2021-06-13 06:34:09,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 06:34:09" (1/1) ... [2021-06-13 06:34:09,058 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 06:34:09" (1/1) ... [2021-06-13 06:34:09,058 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 06:34:09" (1/1) ... [2021-06-13 06:34:09,065 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 06:34:09" (1/1) ... [2021-06-13 06:34:09,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 06:34:09" (1/1) ... [2021-06-13 06:34:09,069 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 06:34:09" (1/1) ... [2021-06-13 06:34:09,071 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-13 06:34:09,072 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-13 06:34:09,072 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-13 06:34:09,072 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-13 06:34:09,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 06:34:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-13 06:34:09,123 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-06-13 06:34:09,124 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-06-13 06:34:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-06-13 06:34:09,124 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-06-13 06:34:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-13 06:34:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-13 06:34:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-13 06:34:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-13 06:34:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-06-13 06:34:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-13 06:34:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-13 06:34:09,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-13 06:34:09,144 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-13 06:34:09,546 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-13 06:34:09,546 INFO L299 CfgBuilder]: Removed 18 assume(true) statements. [2021-06-13 06:34:09,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 06:34:09 BoogieIcfgContainer [2021-06-13 06:34:09,548 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-13 06:34:09,549 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-13 06:34:09,549 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-13 06:34:09,551 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-13 06:34:09,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.06 06:34:08" (1/3) ... [2021-06-13 06:34:09,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71c9c3b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 06:34:09, skipping insertion in model container [2021-06-13 06:34:09,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 06:34:09" (2/3) ... [2021-06-13 06:34:09,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71c9c3b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 06:34:09, skipping insertion in model container [2021-06-13 06:34:09,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 06:34:09" (3/3) ... [2021-06-13 06:34:09,553 INFO L111 eAbstractionObserver]: Analyzing ICFG queue_longer.i [2021-06-13 06:34:09,556 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-13 06:34:09,557 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-06-13 06:34:09,557 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-13 06:34:09,584 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,584 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,584 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,584 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,585 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,585 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,585 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,585 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,585 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,585 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,585 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,585 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,585 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,586 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,586 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,586 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,586 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,586 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,586 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,586 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,586 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,586 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,586 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,586 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,587 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,587 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,587 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,587 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,587 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,587 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,587 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,587 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,587 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,587 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,587 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,588 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,588 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,588 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,588 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,588 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,588 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,588 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,588 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,588 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,588 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,588 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,588 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,588 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,589 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,589 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,589 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,589 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,589 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,589 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,589 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,589 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,589 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,589 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,589 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,589 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,590 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,590 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,590 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,590 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,590 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,590 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,590 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,590 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,590 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,590 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,590 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,590 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,591 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,591 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,591 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,591 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,591 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,591 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,591 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,591 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,591 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,591 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,591 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,592 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,592 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,592 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,592 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,592 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,592 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,592 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,592 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,592 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,592 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,592 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,592 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,593 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,593 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,593 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,593 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,593 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,593 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,593 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,593 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,593 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,593 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,593 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,594 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,594 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,594 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,594 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,594 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,594 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,594 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,594 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,594 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,594 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,595 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,595 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,595 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,595 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,595 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,595 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,595 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,595 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,595 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,595 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,595 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,595 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,596 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,596 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,596 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,596 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,596 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,596 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,596 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,596 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,596 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,596 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,596 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,597 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,597 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,597 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,597 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,597 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,597 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,597 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,597 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,597 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,597 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,598 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,598 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,598 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,598 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,598 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,598 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,598 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,598 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,598 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,598 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,599 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,599 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,599 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,599 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,599 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,599 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,599 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,599 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,599 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,599 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,599 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,599 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,600 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,600 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,600 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,600 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,600 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,600 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,600 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,600 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,600 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,600 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,600 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,601 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,601 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,601 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,601 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,601 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,601 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,601 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,601 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,601 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,601 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,601 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,601 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,602 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,602 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,602 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,602 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,602 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,602 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,602 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,602 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,602 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,602 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,602 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,602 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,603 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,603 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,603 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,603 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,603 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,603 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,603 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,603 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,603 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,603 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,603 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,603 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,604 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,604 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,604 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,604 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,604 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,604 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,608 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,609 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,611 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,611 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,612 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,612 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,612 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,612 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,615 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,615 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,615 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,615 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,615 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,615 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,615 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,615 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,615 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,615 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,616 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,616 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,616 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,616 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,616 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,616 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,616 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,616 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,616 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,616 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,616 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,617 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,617 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,617 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,617 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,617 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,617 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,617 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,617 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,617 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,617 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,617 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,617 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,617 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,618 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,618 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,618 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,618 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,618 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,618 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,618 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,618 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,618 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,618 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,618 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,618 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,618 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,619 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,619 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,619 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,619 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,619 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,619 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,619 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,619 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,619 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,619 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,619 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,619 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,620 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,620 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,620 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,620 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,620 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,620 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,620 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,621 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,621 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,621 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,621 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,621 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,621 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,621 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,621 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,621 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,621 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,621 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,622 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,622 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,622 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,622 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,622 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,622 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,622 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,622 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,622 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,622 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,622 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,623 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,623 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,623 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,623 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,623 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,623 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,623 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,623 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,623 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,623 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,623 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,623 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,624 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,624 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,624 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,624 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,624 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,624 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,624 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,624 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,624 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,624 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,625 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,625 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,625 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,625 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,625 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,625 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,625 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,625 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,625 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,625 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,625 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,626 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,626 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,626 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,626 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,626 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,626 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,626 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,626 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,626 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,626 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,626 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,627 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,627 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,627 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,627 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,627 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,627 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,627 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,627 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,627 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,627 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,627 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,628 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,628 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,628 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,628 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,628 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,628 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,628 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,631 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,632 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,632 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,632 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,632 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,632 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,635 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,635 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,635 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,635 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,635 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,635 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,636 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,636 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,636 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,636 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,636 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,636 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,636 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,636 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,636 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,636 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,636 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,636 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,637 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,637 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,637 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,637 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,637 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,637 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,637 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,637 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,637 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,637 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,637 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,640 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,640 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,640 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,641 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,641 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,641 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,641 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,641 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,641 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,641 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,641 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,641 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,641 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,641 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,641 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,641 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,641 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,641 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,641 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,642 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,642 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,642 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,642 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,642 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,642 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,642 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,642 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,642 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,642 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,643 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,643 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,643 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,643 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,643 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,643 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,643 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,643 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,643 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,643 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,643 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,643 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,643 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,644 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,644 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,644 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,644 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,644 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,644 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,644 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,644 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,644 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,644 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,644 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,644 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,645 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,645 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,645 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,645 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,645 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,645 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,645 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,645 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,645 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,645 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,647 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,647 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,647 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,647 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,647 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,648 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,649 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,649 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,649 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,649 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,649 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,649 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,649 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,650 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,650 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,650 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,650 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,650 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,650 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,650 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,650 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,650 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,650 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,650 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,650 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,651 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,651 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,651 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,651 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,651 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,651 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,652 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,652 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,652 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,652 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,652 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,652 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,652 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,652 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,652 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,652 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,652 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,652 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,652 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,652 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,653 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,653 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,653 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,653 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,653 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,653 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,653 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,653 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,653 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,653 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,653 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,653 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,653 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,653 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,653 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,653 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,654 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,654 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,654 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,654 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,654 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,654 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,654 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,654 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,654 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,654 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,654 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,654 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,654 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,654 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,654 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,654 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,655 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,655 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,655 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,655 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,655 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,655 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,655 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,655 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,655 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,655 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,658 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,658 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,658 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,658 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,658 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,659 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,659 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,659 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,659 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,659 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,659 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,660 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,660 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,660 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,660 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,660 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,660 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,660 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,660 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,660 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,660 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,660 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,660 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,660 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,660 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,660 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,661 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,661 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,661 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,661 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,661 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,661 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,661 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,661 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,661 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,664 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,664 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,664 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,664 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,664 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,664 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,664 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,664 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,664 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,664 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,665 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,665 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,665 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,665 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,665 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,665 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,665 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,665 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,665 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,665 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,665 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,665 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 06:34:09,677 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-13 06:34:09,693 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-13 06:34:09,706 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-13 06:34:09,706 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-13 06:34:09,706 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-13 06:34:09,706 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-13 06:34:09,706 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-13 06:34:09,706 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-13 06:34:09,706 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-13 06:34:09,706 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == t1Thread1of1ForFork0======== [2021-06-13 06:34:09,715 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 247 places, 257 transitions, 536 flow [2021-06-13 06:34:09,813 INFO L129 PetriNetUnfolder]: 16/257 cut-off events. [2021-06-13 06:34:09,813 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-06-13 06:34:09,819 INFO L84 FinitePrefix]: Finished finitePrefix Result has 268 conditions, 257 events. 16/257 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 416 event pairs, 0 based on Foata normal form. 0/239 useless extension candidates. Maximal degree in co-relation 185. Up to 3 conditions per place. [2021-06-13 06:34:09,819 INFO L82 GeneralOperation]: Start removeDead. Operand has 247 places, 257 transitions, 536 flow [2021-06-13 06:34:09,825 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 235 places, 244 transitions, 500 flow [2021-06-13 06:34:09,859 INFO L129 PetriNetUnfolder]: 5/148 cut-off events. [2021-06-13 06:34:09,859 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-06-13 06:34:09,859 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 06:34:09,860 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 06:34:09,860 INFO L430 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 06:34:09,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 06:34:09,866 INFO L82 PathProgramCache]: Analyzing trace with hash -383819529, now seen corresponding path program 1 times [2021-06-13 06:34:09,871 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 06:34:09,872 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858937323] [2021-06-13 06:34:09,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 06:34:10,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 06:34:10,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:10,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 06:34:10,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:10,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 06:34:10,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:10,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-13 06:34:10,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:10,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-13 06:34:10,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:10,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-13 06:34:10,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:10,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-13 06:34:10,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:10,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-13 06:34:10,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:10,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-13 06:34:10,202 INFO L142 QuantifierPusher]: treesize reduction 14, result has 51.7 percent of original size [2021-06-13 06:34:10,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-13 06:34:10,212 INFO L142 QuantifierPusher]: treesize reduction 14, result has 39.1 percent of original size [2021-06-13 06:34:10,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 06:34:10,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:10,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 06:34:10,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:10,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 06:34:10,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 06:34:10,231 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 06:34:10,232 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858937323] [2021-06-13 06:34:10,232 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858937323] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 06:34:10,233 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 06:34:10,233 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-13 06:34:10,233 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961136156] [2021-06-13 06:34:10,239 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-13 06:34:10,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 06:34:10,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-13 06:34:10,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-06-13 06:34:10,253 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 257 [2021-06-13 06:34:10,258 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 244 transitions, 500 flow. Second operand has 12 states, 12 states have (on average 184.75) internal successors, (2217), 12 states have internal predecessors, (2217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:10,258 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 06:34:10,258 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 257 [2021-06-13 06:34:10,259 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 06:34:11,084 INFO L129 PetriNetUnfolder]: 1037/4023 cut-off events. [2021-06-13 06:34:11,084 INFO L130 PetriNetUnfolder]: For 46/46 co-relation queries the response was YES. [2021-06-13 06:34:11,094 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5607 conditions, 4023 events. 1037/4023 cut-off events. For 46/46 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 33095 event pairs, 802 based on Foata normal form. 195/3934 useless extension candidates. Maximal degree in co-relation 5445. Up to 1481 conditions per place. [2021-06-13 06:34:11,108 INFO L132 encePairwiseOnDemand]: 239/257 looper letters, 51 selfloop transitions, 12 changer transitions 0/230 dead transitions. [2021-06-13 06:34:11,108 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 230 transitions, 598 flow [2021-06-13 06:34:11,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-13 06:34:11,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-13 06:34:11,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2435 transitions. [2021-06-13 06:34:11,123 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7288237054774019 [2021-06-13 06:34:11,124 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2435 transitions. [2021-06-13 06:34:11,124 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2435 transitions. [2021-06-13 06:34:11,127 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 06:34:11,129 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2435 transitions. [2021-06-13 06:34:11,136 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 187.30769230769232) internal successors, (2435), 13 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) [2021-06-13 06:34:11,145 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 257.0) internal successors, (3598), 14 states have internal predecessors, (3598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:11,146 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 257.0) internal successors, (3598), 14 states have internal predecessors, (3598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:11,147 INFO L185 Difference]: Start difference. First operand has 235 places, 244 transitions, 500 flow. Second operand 13 states and 2435 transitions. [2021-06-13 06:34:11,148 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 230 transitions, 598 flow [2021-06-13 06:34:11,152 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 230 transitions, 590 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-06-13 06:34:11,156 INFO L241 Difference]: Finished difference. Result has 235 places, 230 transitions, 488 flow [2021-06-13 06:34:11,157 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=464, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=230, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=218, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=488, PETRI_PLACES=235, PETRI_TRANSITIONS=230} [2021-06-13 06:34:11,158 INFO L335 CegarLoopForPetriNet]: 235 programPoint places, 0 predicate places. [2021-06-13 06:34:11,158 INFO L482 AbstractCegarLoop]: Abstraction has has 235 places, 230 transitions, 488 flow [2021-06-13 06:34:11,159 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 184.75) internal successors, (2217), 12 states have internal predecessors, (2217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:11,159 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 06:34:11,159 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 06:34:11,159 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-13 06:34:11,159 INFO L430 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 06:34:11,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 06:34:11,160 INFO L82 PathProgramCache]: Analyzing trace with hash 1409373696, now seen corresponding path program 1 times [2021-06-13 06:34:11,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 06:34:11,160 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506518282] [2021-06-13 06:34:11,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 06:34:11,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 06:34:11,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:11,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 06:34:11,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:11,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 06:34:11,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:11,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 06:34:11,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:11,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 06:34:11,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 06:34:11,264 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 06:34:11,264 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506518282] [2021-06-13 06:34:11,264 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506518282] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 06:34:11,264 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 06:34:11,264 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-13 06:34:11,264 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141986820] [2021-06-13 06:34:11,265 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-13 06:34:11,266 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 06:34:11,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-13 06:34:11,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-13 06:34:11,267 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 236 out of 257 [2021-06-13 06:34:11,268 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 230 transitions, 488 flow. Second operand has 4 states, 4 states have (on average 237.75) internal successors, (951), 4 states have internal predecessors, (951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:11,268 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 06:34:11,268 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 236 of 257 [2021-06-13 06:34:11,268 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 06:34:11,343 INFO L129 PetriNetUnfolder]: 8/230 cut-off events. [2021-06-13 06:34:11,343 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-13 06:34:11,345 INFO L84 FinitePrefix]: Finished finitePrefix Result has 257 conditions, 230 events. 8/230 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 281 event pairs, 0 based on Foata normal form. 0/220 useless extension candidates. Maximal degree in co-relation 190. Up to 4 conditions per place. [2021-06-13 06:34:11,345 INFO L132 encePairwiseOnDemand]: 251/257 looper letters, 5 selfloop transitions, 5 changer transitions 0/228 dead transitions. [2021-06-13 06:34:11,345 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 228 transitions, 504 flow [2021-06-13 06:34:11,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 06:34:11,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-13 06:34:11,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 955 transitions. [2021-06-13 06:34:11,347 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.9289883268482491 [2021-06-13 06:34:11,348 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 955 transitions. [2021-06-13 06:34:11,348 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 955 transitions. [2021-06-13 06:34:11,348 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 06:34:11,348 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 955 transitions. [2021-06-13 06:34:11,349 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 238.75) internal successors, (955), 4 states have internal predecessors, (955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:11,351 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 257.0) internal successors, (1285), 5 states have internal predecessors, (1285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:11,351 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 257.0) internal successors, (1285), 5 states have internal predecessors, (1285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:11,351 INFO L185 Difference]: Start difference. First operand has 235 places, 230 transitions, 488 flow. Second operand 4 states and 955 transitions. [2021-06-13 06:34:11,351 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 228 transitions, 504 flow [2021-06-13 06:34:11,354 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 228 transitions, 481 flow, removed 0 selfloop flow, removed 11 redundant places. [2021-06-13 06:34:11,359 INFO L241 Difference]: Finished difference. Result has 226 places, 228 transitions, 471 flow [2021-06-13 06:34:11,359 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=461, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=223, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=471, PETRI_PLACES=226, PETRI_TRANSITIONS=228} [2021-06-13 06:34:11,360 INFO L335 CegarLoopForPetriNet]: 235 programPoint places, -9 predicate places. [2021-06-13 06:34:11,360 INFO L482 AbstractCegarLoop]: Abstraction has has 226 places, 228 transitions, 471 flow [2021-06-13 06:34:11,361 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 237.75) internal successors, (951), 4 states have internal predecessors, (951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:11,361 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 06:34:11,361 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 06:34:11,361 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-13 06:34:11,361 INFO L430 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 06:34:11,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 06:34:11,362 INFO L82 PathProgramCache]: Analyzing trace with hash -477175304, now seen corresponding path program 1 times [2021-06-13 06:34:11,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 06:34:11,362 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896852401] [2021-06-13 06:34:11,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 06:34:11,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 06:34:11,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:11,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 06:34:11,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:11,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 06:34:11,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:11,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 06:34:11,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:11,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 06:34:11,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 06:34:11,451 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 06:34:11,451 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896852401] [2021-06-13 06:34:11,451 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896852401] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 06:34:11,451 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 06:34:11,451 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-13 06:34:11,451 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746651650] [2021-06-13 06:34:11,452 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-13 06:34:11,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 06:34:11,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-13 06:34:11,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-13 06:34:11,453 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 257 [2021-06-13 06:34:11,454 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 228 transitions, 471 flow. Second operand has 4 states, 4 states have (on average 239.75) internal successors, (959), 4 states have internal predecessors, (959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:11,454 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 06:34:11,454 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 257 [2021-06-13 06:34:11,454 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 06:34:11,498 INFO L129 PetriNetUnfolder]: 10/285 cut-off events. [2021-06-13 06:34:11,498 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-13 06:34:11,500 INFO L84 FinitePrefix]: Finished finitePrefix Result has 312 conditions, 285 events. 10/285 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 517 event pairs, 0 based on Foata normal form. 0/272 useless extension candidates. Maximal degree in co-relation 256. Up to 9 conditions per place. [2021-06-13 06:34:11,500 INFO L132 encePairwiseOnDemand]: 252/257 looper letters, 9 selfloop transitions, 5 changer transitions 0/232 dead transitions. [2021-06-13 06:34:11,500 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 230 places, 232 transitions, 507 flow [2021-06-13 06:34:11,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-13 06:34:11,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-13 06:34:11,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1205 transitions. [2021-06-13 06:34:11,502 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.9377431906614786 [2021-06-13 06:34:11,502 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1205 transitions. [2021-06-13 06:34:11,503 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1205 transitions. [2021-06-13 06:34:11,503 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 06:34:11,503 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1205 transitions. [2021-06-13 06:34:11,505 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 241.0) internal successors, (1205), 5 states have internal predecessors, (1205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:11,507 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 257.0) internal successors, (1542), 6 states have internal predecessors, (1542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:11,507 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 257.0) internal successors, (1542), 6 states have internal predecessors, (1542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:11,507 INFO L185 Difference]: Start difference. First operand has 226 places, 228 transitions, 471 flow. Second operand 5 states and 1205 transitions. [2021-06-13 06:34:11,507 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 230 places, 232 transitions, 507 flow [2021-06-13 06:34:11,509 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 232 transitions, 497 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-06-13 06:34:11,511 INFO L241 Difference]: Finished difference. Result has 230 places, 231 transitions, 491 flow [2021-06-13 06:34:11,511 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=461, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=491, PETRI_PLACES=230, PETRI_TRANSITIONS=231} [2021-06-13 06:34:11,511 INFO L335 CegarLoopForPetriNet]: 235 programPoint places, -5 predicate places. [2021-06-13 06:34:11,512 INFO L482 AbstractCegarLoop]: Abstraction has has 230 places, 231 transitions, 491 flow [2021-06-13 06:34:11,512 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 239.75) internal successors, (959), 4 states have internal predecessors, (959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:11,512 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 06:34:11,512 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 06:34:11,512 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-13 06:34:11,512 INFO L430 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 06:34:11,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 06:34:11,512 INFO L82 PathProgramCache]: Analyzing trace with hash 1731505684, now seen corresponding path program 1 times [2021-06-13 06:34:11,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 06:34:11,513 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859390060] [2021-06-13 06:34:11,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 06:34:11,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 06:34:11,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:11,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 06:34:11,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:11,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 06:34:11,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:11,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-13 06:34:11,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:11,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-13 06:34:11,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:11,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-13 06:34:11,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:11,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-13 06:34:11,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:11,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-13 06:34:11,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:11,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-13 06:34:11,693 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-06-13 06:34:11,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-13 06:34:11,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:11,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-13 06:34:11,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:11,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-13 06:34:11,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:11,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-13 06:34:11,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:11,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-13 06:34:11,740 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-06-13 06:34:11,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-13 06:34:11,757 INFO L142 QuantifierPusher]: treesize reduction 21, result has 51.2 percent of original size [2021-06-13 06:34:11,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-13 06:34:11,777 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-06-13 06:34:11,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-13 06:34:11,780 INFO L142 QuantifierPusher]: treesize reduction 9, result has 69.0 percent of original size [2021-06-13 06:34:11,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-13 06:34:11,815 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-06-13 06:34:11,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-13 06:34:11,816 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-06-13 06:34:11,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 06:34:11,830 INFO L142 QuantifierPusher]: treesize reduction 12, result has 7.7 percent of original size [2021-06-13 06:34:11,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 06:34:11,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:11,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 06:34:11,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 06:34:11,832 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 06:34:11,832 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859390060] [2021-06-13 06:34:11,832 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859390060] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 06:34:11,832 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 06:34:11,832 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-06-13 06:34:11,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169249313] [2021-06-13 06:34:11,833 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-13 06:34:11,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 06:34:11,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-13 06:34:11,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2021-06-13 06:34:11,837 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 257 [2021-06-13 06:34:11,838 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 230 places, 231 transitions, 491 flow. Second operand has 16 states, 16 states have (on average 162.125) internal successors, (2594), 16 states have internal predecessors, (2594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:11,838 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 06:34:11,838 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 257 [2021-06-13 06:34:11,839 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 06:34:13,152 INFO L129 PetriNetUnfolder]: 2365/6911 cut-off events. [2021-06-13 06:34:13,153 INFO L130 PetriNetUnfolder]: For 52/52 co-relation queries the response was YES. [2021-06-13 06:34:13,166 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10957 conditions, 6911 events. 2365/6911 cut-off events. For 52/52 co-relation queries the response was YES. Maximal size of possible extension queue 150. Compared 60220 event pairs, 1832 based on Foata normal form. 0/6553 useless extension candidates. Maximal degree in co-relation 10866. Up to 3505 conditions per place. [2021-06-13 06:34:13,185 INFO L132 encePairwiseOnDemand]: 241/257 looper letters, 104 selfloop transitions, 20 changer transitions 0/269 dead transitions. [2021-06-13 06:34:13,185 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 269 transitions, 816 flow [2021-06-13 06:34:13,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-13 06:34:13,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-06-13 06:34:13,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2511 transitions. [2021-06-13 06:34:13,189 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.6513618677042802 [2021-06-13 06:34:13,189 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2511 transitions. [2021-06-13 06:34:13,189 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2511 transitions. [2021-06-13 06:34:13,190 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 06:34:13,190 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2511 transitions. [2021-06-13 06:34:13,193 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 167.4) internal successors, (2511), 15 states have internal predecessors, (2511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:13,197 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 257.0) internal successors, (4112), 16 states have internal predecessors, (4112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:13,197 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 257.0) internal successors, (4112), 16 states have internal predecessors, (4112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:13,198 INFO L185 Difference]: Start difference. First operand has 230 places, 231 transitions, 491 flow. Second operand 15 states and 2511 transitions. [2021-06-13 06:34:13,198 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 269 transitions, 816 flow [2021-06-13 06:34:13,201 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 269 transitions, 816 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-13 06:34:13,203 INFO L241 Difference]: Finished difference. Result has 250 places, 244 transitions, 598 flow [2021-06-13 06:34:13,204 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=491, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=216, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=598, PETRI_PLACES=250, PETRI_TRANSITIONS=244} [2021-06-13 06:34:13,204 INFO L335 CegarLoopForPetriNet]: 235 programPoint places, 15 predicate places. [2021-06-13 06:34:13,204 INFO L482 AbstractCegarLoop]: Abstraction has has 250 places, 244 transitions, 598 flow [2021-06-13 06:34:13,205 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 162.125) internal successors, (2594), 16 states have internal predecessors, (2594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:13,205 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 06:34:13,205 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 06:34:13,205 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-13 06:34:13,205 INFO L430 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 06:34:13,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 06:34:13,205 INFO L82 PathProgramCache]: Analyzing trace with hash 588694202, now seen corresponding path program 1 times [2021-06-13 06:34:13,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 06:34:13,205 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917416259] [2021-06-13 06:34:13,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 06:34:13,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 06:34:13,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:13,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 06:34:13,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:13,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-13 06:34:13,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:13,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-13 06:34:13,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:13,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-13 06:34:13,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:13,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-13 06:34:13,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:13,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-13 06:34:13,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:13,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-13 06:34:13,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:13,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-13 06:34:13,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:13,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-13 06:34:13,355 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-06-13 06:34:13,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-13 06:34:13,372 INFO L142 QuantifierPusher]: treesize reduction 23, result has 61.0 percent of original size [2021-06-13 06:34:13,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-13 06:34:13,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:13,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-13 06:34:13,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:13,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-13 06:34:13,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:13,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-13 06:34:13,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:13,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-13 06:34:13,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:13,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-13 06:34:13,487 INFO L142 QuantifierPusher]: treesize reduction 31, result has 49.2 percent of original size [2021-06-13 06:34:13,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-13 06:34:13,518 INFO L142 QuantifierPusher]: treesize reduction 77, result has 41.7 percent of original size [2021-06-13 06:34:13,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-06-13 06:34:13,556 INFO L142 QuantifierPusher]: treesize reduction 40, result has 42.9 percent of original size [2021-06-13 06:34:13,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-13 06:34:13,558 INFO L142 QuantifierPusher]: treesize reduction 34, result has 56.4 percent of original size [2021-06-13 06:34:13,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-06-13 06:34:13,571 INFO L142 QuantifierPusher]: treesize reduction 34, result has 46.9 percent of original size [2021-06-13 06:34:13,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-13 06:34:13,573 INFO L142 QuantifierPusher]: treesize reduction 34, result has 41.4 percent of original size [2021-06-13 06:34:13,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-13 06:34:13,595 INFO L142 QuantifierPusher]: treesize reduction 55, result has 38.2 percent of original size [2021-06-13 06:34:13,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-13 06:34:13,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:13,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-13 06:34:13,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:13,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-13 06:34:13,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:13,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-13 06:34:13,666 INFO L142 QuantifierPusher]: treesize reduction 9, result has 69.0 percent of original size [2021-06-13 06:34:13,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-13 06:34:13,689 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-06-13 06:34:13,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-13 06:34:13,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:13,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-13 06:34:13,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:13,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 06:34:13,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 06:34:13,764 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 06:34:13,764 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917416259] [2021-06-13 06:34:13,764 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917416259] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 06:34:13,764 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 06:34:13,764 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-06-13 06:34:13,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939946366] [2021-06-13 06:34:13,765 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-13 06:34:13,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 06:34:13,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-13 06:34:13,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=628, Unknown=0, NotChecked=0, Total=702 [2021-06-13 06:34:13,770 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 257 [2021-06-13 06:34:13,772 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 244 transitions, 598 flow. Second operand has 27 states, 27 states have (on average 144.33333333333334) internal successors, (3897), 27 states have internal predecessors, (3897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:13,772 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 06:34:13,772 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 257 [2021-06-13 06:34:13,772 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 06:34:16,466 INFO L129 PetriNetUnfolder]: 2671/7438 cut-off events. [2021-06-13 06:34:16,466 INFO L130 PetriNetUnfolder]: For 240/240 co-relation queries the response was YES. [2021-06-13 06:34:16,493 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12398 conditions, 7438 events. 2671/7438 cut-off events. For 240/240 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 64720 event pairs, 2052 based on Foata normal form. 0/7099 useless extension candidates. Maximal degree in co-relation 12290. Up to 4004 conditions per place. [2021-06-13 06:34:16,517 INFO L132 encePairwiseOnDemand]: 228/257 looper letters, 131 selfloop transitions, 42 changer transitions 1/307 dead transitions. [2021-06-13 06:34:16,517 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 275 places, 307 transitions, 1093 flow [2021-06-13 06:34:16,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-13 06:34:16,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-06-13 06:34:16,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 3867 transitions. [2021-06-13 06:34:16,523 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5787189464232266 [2021-06-13 06:34:16,523 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 3867 transitions. [2021-06-13 06:34:16,523 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 3867 transitions. [2021-06-13 06:34:16,525 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 06:34:16,525 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 3867 transitions. [2021-06-13 06:34:16,530 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 148.73076923076923) internal successors, (3867), 26 states have internal predecessors, (3867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:16,635 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 257.0) internal successors, (6939), 27 states have internal predecessors, (6939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:16,636 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 257.0) internal successors, (6939), 27 states have internal predecessors, (6939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:16,636 INFO L185 Difference]: Start difference. First operand has 250 places, 244 transitions, 598 flow. Second operand 26 states and 3867 transitions. [2021-06-13 06:34:16,636 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 275 places, 307 transitions, 1093 flow [2021-06-13 06:34:16,640 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 307 transitions, 1080 flow, removed 0 selfloop flow, removed 7 redundant places. [2021-06-13 06:34:16,643 INFO L241 Difference]: Finished difference. Result has 279 places, 264 transitions, 806 flow [2021-06-13 06:34:16,643 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=585, PETRI_DIFFERENCE_MINUEND_PLACES=243, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=806, PETRI_PLACES=279, PETRI_TRANSITIONS=264} [2021-06-13 06:34:16,643 INFO L335 CegarLoopForPetriNet]: 235 programPoint places, 44 predicate places. [2021-06-13 06:34:16,643 INFO L482 AbstractCegarLoop]: Abstraction has has 279 places, 264 transitions, 806 flow [2021-06-13 06:34:16,645 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 144.33333333333334) internal successors, (3897), 27 states have internal predecessors, (3897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:16,645 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 06:34:16,645 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 06:34:16,645 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-13 06:34:16,645 INFO L430 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 06:34:16,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 06:34:16,645 INFO L82 PathProgramCache]: Analyzing trace with hash -1353043713, now seen corresponding path program 1 times [2021-06-13 06:34:16,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 06:34:16,645 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393773787] [2021-06-13 06:34:16,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 06:34:16,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 06:34:16,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:16,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 06:34:16,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:16,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 06:34:16,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:16,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 06:34:16,775 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-13 06:34:16,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-13 06:34:16,780 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-06-13 06:34:16,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-13 06:34:16,786 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-06-13 06:34:16,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-13 06:34:16,799 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-06-13 06:34:16,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-13 06:34:16,808 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size [2021-06-13 06:34:16,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-13 06:34:16,821 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-06-13 06:34:16,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-13 06:34:16,833 INFO L142 QuantifierPusher]: treesize reduction 16, result has 61.0 percent of original size [2021-06-13 06:34:16,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-13 06:34:16,846 INFO L142 QuantifierPusher]: treesize reduction 17, result has 61.4 percent of original size [2021-06-13 06:34:16,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-13 06:34:16,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:16,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-13 06:34:16,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:16,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-13 06:34:16,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:16,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-13 06:34:16,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:16,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-13 06:34:16,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:16,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-13 06:34:16,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:16,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-13 06:34:16,925 INFO L142 QuantifierPusher]: treesize reduction 14, result has 39.1 percent of original size [2021-06-13 06:34:16,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 06:34:16,940 INFO L142 QuantifierPusher]: treesize reduction 34, result has 35.8 percent of original size [2021-06-13 06:34:16,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-13 06:34:16,960 INFO L142 QuantifierPusher]: treesize reduction 14, result has 41.7 percent of original size [2021-06-13 06:34:16,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-13 06:34:16,972 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-06-13 06:34:16,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-13 06:34:16,986 INFO L142 QuantifierPusher]: treesize reduction 14, result has 41.7 percent of original size [2021-06-13 06:34:16,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-13 06:34:16,987 INFO L142 QuantifierPusher]: treesize reduction 14, result has 22.2 percent of original size [2021-06-13 06:34:16,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-13 06:34:16,999 INFO L142 QuantifierPusher]: treesize reduction 12, result has 7.7 percent of original size [2021-06-13 06:34:16,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 06:34:16,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:16,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 06:34:17,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 06:34:17,000 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 06:34:17,000 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393773787] [2021-06-13 06:34:17,000 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393773787] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 06:34:17,000 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 06:34:17,000 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-06-13 06:34:17,001 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565855238] [2021-06-13 06:34:17,001 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-13 06:34:17,001 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 06:34:17,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-13 06:34:17,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2021-06-13 06:34:17,004 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 257 [2021-06-13 06:34:17,006 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 264 transitions, 806 flow. Second operand has 20 states, 20 states have (on average 158.65) internal successors, (3173), 20 states have internal predecessors, (3173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:17,006 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 06:34:17,006 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 257 [2021-06-13 06:34:17,006 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 06:34:19,423 INFO L129 PetriNetUnfolder]: 4387/12900 cut-off events. [2021-06-13 06:34:19,423 INFO L130 PetriNetUnfolder]: For 969/977 co-relation queries the response was YES. [2021-06-13 06:34:19,462 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21394 conditions, 12900 events. 4387/12900 cut-off events. For 969/977 co-relation queries the response was YES. Maximal size of possible extension queue 220. Compared 123614 event pairs, 665 based on Foata normal form. 50/12387 useless extension candidates. Maximal degree in co-relation 21273. Up to 5077 conditions per place. [2021-06-13 06:34:19,492 INFO L132 encePairwiseOnDemand]: 230/257 looper letters, 197 selfloop transitions, 51 changer transitions 0/397 dead transitions. [2021-06-13 06:34:19,492 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 397 transitions, 1618 flow [2021-06-13 06:34:19,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-13 06:34:19,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-06-13 06:34:19,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 3192 transitions. [2021-06-13 06:34:19,498 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.6536964980544747 [2021-06-13 06:34:19,498 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 3192 transitions. [2021-06-13 06:34:19,498 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 3192 transitions. [2021-06-13 06:34:19,499 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 06:34:19,500 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 3192 transitions. [2021-06-13 06:34:19,513 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 168.0) internal successors, (3192), 19 states have internal predecessors, (3192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:19,518 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 257.0) internal successors, (5140), 20 states have internal predecessors, (5140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:19,518 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 257.0) internal successors, (5140), 20 states have internal predecessors, (5140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:19,518 INFO L185 Difference]: Start difference. First operand has 279 places, 264 transitions, 806 flow. Second operand 19 states and 3192 transitions. [2021-06-13 06:34:19,518 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 397 transitions, 1618 flow [2021-06-13 06:34:19,530 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 397 transitions, 1575 flow, removed 7 selfloop flow, removed 13 redundant places. [2021-06-13 06:34:19,535 INFO L241 Difference]: Finished difference. Result has 293 places, 289 transitions, 1060 flow [2021-06-13 06:34:19,535 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=764, PETRI_DIFFERENCE_MINUEND_PLACES=266, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=264, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=1060, PETRI_PLACES=293, PETRI_TRANSITIONS=289} [2021-06-13 06:34:19,535 INFO L335 CegarLoopForPetriNet]: 235 programPoint places, 58 predicate places. [2021-06-13 06:34:19,535 INFO L482 AbstractCegarLoop]: Abstraction has has 293 places, 289 transitions, 1060 flow [2021-06-13 06:34:19,536 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 158.65) internal successors, (3173), 20 states have internal predecessors, (3173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:19,536 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 06:34:19,536 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 06:34:19,536 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-13 06:34:19,536 INFO L430 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 06:34:19,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 06:34:19,537 INFO L82 PathProgramCache]: Analyzing trace with hash -1142648939, now seen corresponding path program 2 times [2021-06-13 06:34:19,537 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 06:34:19,537 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722338243] [2021-06-13 06:34:19,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 06:34:19,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 06:34:19,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:19,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 06:34:19,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:19,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-13 06:34:19,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:19,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-13 06:34:19,653 INFO L142 QuantifierPusher]: treesize reduction 15, result has 54.5 percent of original size [2021-06-13 06:34:19,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-13 06:34:19,661 INFO L142 QuantifierPusher]: treesize reduction 13, result has 55.2 percent of original size [2021-06-13 06:34:19,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-13 06:34:19,668 INFO L142 QuantifierPusher]: treesize reduction 13, result has 62.9 percent of original size [2021-06-13 06:34:19,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-13 06:34:19,679 INFO L142 QuantifierPusher]: treesize reduction 13, result has 62.9 percent of original size [2021-06-13 06:34:19,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-13 06:34:19,691 INFO L142 QuantifierPusher]: treesize reduction 28, result has 56.3 percent of original size [2021-06-13 06:34:19,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-13 06:34:19,709 INFO L142 QuantifierPusher]: treesize reduction 21, result has 52.3 percent of original size [2021-06-13 06:34:19,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-13 06:34:19,722 INFO L142 QuantifierPusher]: treesize reduction 21, result has 58.0 percent of original size [2021-06-13 06:34:19,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-13 06:34:19,744 INFO L142 QuantifierPusher]: treesize reduction 44, result has 50.0 percent of original size [2021-06-13 06:34:19,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-06-13 06:34:19,775 INFO L142 QuantifierPusher]: treesize reduction 44, result has 54.6 percent of original size [2021-06-13 06:34:19,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-06-13 06:34:19,808 INFO L142 QuantifierPusher]: treesize reduction 13, result has 72.3 percent of original size [2021-06-13 06:34:19,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-13 06:34:19,836 INFO L142 QuantifierPusher]: treesize reduction 13, result has 70.5 percent of original size [2021-06-13 06:34:19,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-13 06:34:19,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:19,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-06-13 06:34:19,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:19,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-13 06:34:19,916 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.5 percent of original size [2021-06-13 06:34:19,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-13 06:34:19,944 INFO L142 QuantifierPusher]: treesize reduction 34, result has 50.7 percent of original size [2021-06-13 06:34:19,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-13 06:34:19,968 INFO L142 QuantifierPusher]: treesize reduction 42, result has 51.2 percent of original size [2021-06-13 06:34:19,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-06-13 06:34:19,999 INFO L142 QuantifierPusher]: treesize reduction 28, result has 48.1 percent of original size [2021-06-13 06:34:20,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-13 06:34:20,018 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.0 percent of original size [2021-06-13 06:34:20,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-13 06:34:20,037 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-06-13 06:34:20,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-13 06:34:20,051 INFO L142 QuantifierPusher]: treesize reduction 15, result has 64.3 percent of original size [2021-06-13 06:34:20,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-13 06:34:20,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:20,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-13 06:34:20,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:20,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-13 06:34:20,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:20,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-13 06:34:20,120 INFO L142 QuantifierPusher]: treesize reduction 9, result has 69.0 percent of original size [2021-06-13 06:34:20,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-13 06:34:20,138 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-06-13 06:34:20,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-13 06:34:20,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:20,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-13 06:34:20,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:20,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 06:34:20,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 06:34:20,178 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 06:34:20,178 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722338243] [2021-06-13 06:34:20,178 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722338243] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 06:34:20,178 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 06:34:20,178 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-13 06:34:20,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203414930] [2021-06-13 06:34:20,178 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-13 06:34:20,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 06:34:20,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-13 06:34:20,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=677, Unknown=0, NotChecked=0, Total=756 [2021-06-13 06:34:20,181 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 257 [2021-06-13 06:34:20,183 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 293 places, 289 transitions, 1060 flow. Second operand has 28 states, 28 states have (on average 149.17857142857142) internal successors, (4177), 28 states have internal predecessors, (4177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:20,183 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 06:34:20,183 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 257 [2021-06-13 06:34:20,183 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 06:34:23,850 INFO L129 PetriNetUnfolder]: 3584/11252 cut-off events. [2021-06-13 06:34:23,850 INFO L130 PetriNetUnfolder]: For 2901/2932 co-relation queries the response was YES. [2021-06-13 06:34:23,914 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20530 conditions, 11252 events. 3584/11252 cut-off events. For 2901/2932 co-relation queries the response was YES. Maximal size of possible extension queue 237. Compared 110773 event pairs, 648 based on Foata normal form. 37/10859 useless extension candidates. Maximal degree in co-relation 20399. Up to 3761 conditions per place. [2021-06-13 06:34:23,947 INFO L132 encePairwiseOnDemand]: 228/257 looper letters, 238 selfloop transitions, 65 changer transitions 7/454 dead transitions. [2021-06-13 06:34:23,948 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 319 places, 454 transitions, 2148 flow [2021-06-13 06:34:23,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-13 06:34:23,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-06-13 06:34:23,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 4232 transitions. [2021-06-13 06:34:23,954 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.6098861507421819 [2021-06-13 06:34:23,955 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 4232 transitions. [2021-06-13 06:34:23,955 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 4232 transitions. [2021-06-13 06:34:23,956 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 06:34:23,956 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 4232 transitions. [2021-06-13 06:34:23,961 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 156.74074074074073) internal successors, (4232), 27 states have internal predecessors, (4232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:23,968 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 257.0) internal successors, (7196), 28 states have internal predecessors, (7196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:23,969 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 257.0) internal successors, (7196), 28 states have internal predecessors, (7196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:23,969 INFO L185 Difference]: Start difference. First operand has 293 places, 289 transitions, 1060 flow. Second operand 27 states and 4232 transitions. [2021-06-13 06:34:23,969 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 319 places, 454 transitions, 2148 flow [2021-06-13 06:34:23,991 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 309 places, 454 transitions, 2114 flow, removed 7 selfloop flow, removed 10 redundant places. [2021-06-13 06:34:23,995 INFO L241 Difference]: Finished difference. Result has 321 places, 322 transitions, 1446 flow [2021-06-13 06:34:23,995 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=1028, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=241, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=1446, PETRI_PLACES=321, PETRI_TRANSITIONS=322} [2021-06-13 06:34:23,995 INFO L335 CegarLoopForPetriNet]: 235 programPoint places, 86 predicate places. [2021-06-13 06:34:23,996 INFO L482 AbstractCegarLoop]: Abstraction has has 321 places, 322 transitions, 1446 flow [2021-06-13 06:34:23,996 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 149.17857142857142) internal successors, (4177), 28 states have internal predecessors, (4177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:23,996 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 06:34:23,997 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 06:34:23,997 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-13 06:34:23,997 INFO L430 AbstractCegarLoop]: === Iteration 8 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 06:34:23,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 06:34:23,997 INFO L82 PathProgramCache]: Analyzing trace with hash -1442172727, now seen corresponding path program 1 times [2021-06-13 06:34:23,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 06:34:23,997 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351550788] [2021-06-13 06:34:23,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 06:34:24,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 06:34:24,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:24,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 06:34:24,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:24,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-13 06:34:24,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:24,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-13 06:34:24,086 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-06-13 06:34:24,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-13 06:34:24,094 INFO L142 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size [2021-06-13 06:34:24,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-13 06:34:24,103 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-06-13 06:34:24,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-13 06:34:24,115 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-06-13 06:34:24,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-13 06:34:24,127 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.0 percent of original size [2021-06-13 06:34:24,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-13 06:34:24,144 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-06-13 06:34:24,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-13 06:34:24,157 INFO L142 QuantifierPusher]: treesize reduction 16, result has 64.4 percent of original size [2021-06-13 06:34:24,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-13 06:34:24,174 INFO L142 QuantifierPusher]: treesize reduction 13, result has 70.5 percent of original size [2021-06-13 06:34:24,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-13 06:34:24,192 INFO L142 QuantifierPusher]: treesize reduction 13, result has 75.5 percent of original size [2021-06-13 06:34:24,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-06-13 06:34:24,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:24,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-13 06:34:24,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:24,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-13 06:34:24,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:24,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-13 06:34:24,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:24,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-13 06:34:24,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:24,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-13 06:34:24,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:24,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-13 06:34:24,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:24,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-13 06:34:24,338 INFO L142 QuantifierPusher]: treesize reduction 31, result has 49.2 percent of original size [2021-06-13 06:34:24,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-13 06:34:24,360 INFO L142 QuantifierPusher]: treesize reduction 58, result has 48.2 percent of original size [2021-06-13 06:34:24,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-13 06:34:24,397 INFO L142 QuantifierPusher]: treesize reduction 42, result has 41.7 percent of original size [2021-06-13 06:34:24,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-13 06:34:24,398 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.0 percent of original size [2021-06-13 06:34:24,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-06-13 06:34:24,414 INFO L142 QuantifierPusher]: treesize reduction 36, result has 45.5 percent of original size [2021-06-13 06:34:24,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-13 06:34:24,416 INFO L142 QuantifierPusher]: treesize reduction 36, result has 40.0 percent of original size [2021-06-13 06:34:24,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-13 06:34:24,436 INFO L142 QuantifierPusher]: treesize reduction 51, result has 37.8 percent of original size [2021-06-13 06:34:24,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-13 06:34:24,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:24,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-13 06:34:24,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:24,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-13 06:34:24,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:24,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-13 06:34:24,514 INFO L142 QuantifierPusher]: treesize reduction 9, result has 69.0 percent of original size [2021-06-13 06:34:24,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-13 06:34:24,546 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-06-13 06:34:24,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-13 06:34:24,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:24,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-13 06:34:24,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:24,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 06:34:24,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 06:34:24,587 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 06:34:24,587 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351550788] [2021-06-13 06:34:24,587 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351550788] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 06:34:24,587 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 06:34:24,587 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-06-13 06:34:24,588 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534558469] [2021-06-13 06:34:24,588 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-13 06:34:24,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 06:34:24,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-13 06:34:24,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=786, Unknown=0, NotChecked=0, Total=870 [2021-06-13 06:34:24,592 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 257 [2021-06-13 06:34:24,594 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 322 transitions, 1446 flow. Second operand has 30 states, 30 states have (on average 141.2) internal successors, (4236), 30 states have internal predecessors, (4236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:24,594 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 06:34:24,594 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 257 [2021-06-13 06:34:24,594 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 06:34:29,668 INFO L129 PetriNetUnfolder]: 6917/19441 cut-off events. [2021-06-13 06:34:29,668 INFO L130 PetriNetUnfolder]: For 9716/9760 co-relation queries the response was YES. [2021-06-13 06:34:29,773 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38011 conditions, 19441 events. 6917/19441 cut-off events. For 9716/9760 co-relation queries the response was YES. Maximal size of possible extension queue 370. Compared 198654 event pairs, 1690 based on Foata normal form. 55/18679 useless extension candidates. Maximal degree in co-relation 37863. Up to 6520 conditions per place. [2021-06-13 06:34:29,825 INFO L132 encePairwiseOnDemand]: 225/257 looper letters, 292 selfloop transitions, 98 changer transitions 9/532 dead transitions. [2021-06-13 06:34:29,825 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 348 places, 532 transitions, 2868 flow [2021-06-13 06:34:29,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-13 06:34:29,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-06-13 06:34:29,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 4227 transitions. [2021-06-13 06:34:29,829 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5874096720400223 [2021-06-13 06:34:29,829 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 4227 transitions. [2021-06-13 06:34:29,829 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 4227 transitions. [2021-06-13 06:34:29,829 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 06:34:29,830 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 4227 transitions. [2021-06-13 06:34:29,833 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 150.96428571428572) internal successors, (4227), 28 states have internal predecessors, (4227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:29,838 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 257.0) internal successors, (7453), 29 states have internal predecessors, (7453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:29,839 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 257.0) internal successors, (7453), 29 states have internal predecessors, (7453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:29,839 INFO L185 Difference]: Start difference. First operand has 321 places, 322 transitions, 1446 flow. Second operand 28 states and 4227 transitions. [2021-06-13 06:34:29,839 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 348 places, 532 transitions, 2868 flow [2021-06-13 06:34:29,907 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 336 places, 532 transitions, 2795 flow, removed 25 selfloop flow, removed 12 redundant places. [2021-06-13 06:34:29,912 INFO L241 Difference]: Finished difference. Result has 347 places, 349 transitions, 1930 flow [2021-06-13 06:34:29,913 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=1389, PETRI_DIFFERENCE_MINUEND_PLACES=309, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=322, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=72, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=239, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=1930, PETRI_PLACES=347, PETRI_TRANSITIONS=349} [2021-06-13 06:34:29,913 INFO L335 CegarLoopForPetriNet]: 235 programPoint places, 112 predicate places. [2021-06-13 06:34:29,913 INFO L482 AbstractCegarLoop]: Abstraction has has 347 places, 349 transitions, 1930 flow [2021-06-13 06:34:29,914 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 141.2) internal successors, (4236), 30 states have internal predecessors, (4236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:29,914 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 06:34:29,914 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 06:34:29,914 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-13 06:34:29,914 INFO L430 AbstractCegarLoop]: === Iteration 9 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 06:34:29,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 06:34:29,915 INFO L82 PathProgramCache]: Analyzing trace with hash -1917812505, now seen corresponding path program 2 times [2021-06-13 06:34:29,915 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 06:34:29,915 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143727529] [2021-06-13 06:34:29,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 06:34:29,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 06:34:30,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:30,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 06:34:30,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:30,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-13 06:34:30,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:30,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-13 06:34:30,033 INFO L142 QuantifierPusher]: treesize reduction 15, result has 54.5 percent of original size [2021-06-13 06:34:30,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-13 06:34:30,040 INFO L142 QuantifierPusher]: treesize reduction 13, result has 55.2 percent of original size [2021-06-13 06:34:30,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-13 06:34:30,047 INFO L142 QuantifierPusher]: treesize reduction 13, result has 62.9 percent of original size [2021-06-13 06:34:30,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-13 06:34:30,057 INFO L142 QuantifierPusher]: treesize reduction 13, result has 62.9 percent of original size [2021-06-13 06:34:30,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-13 06:34:30,068 INFO L142 QuantifierPusher]: treesize reduction 13, result has 73.5 percent of original size [2021-06-13 06:34:30,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-13 06:34:30,087 INFO L142 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size [2021-06-13 06:34:30,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-13 06:34:30,099 INFO L142 QuantifierPusher]: treesize reduction 13, result has 69.0 percent of original size [2021-06-13 06:34:30,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-13 06:34:30,114 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-06-13 06:34:30,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-06-13 06:34:30,143 INFO L142 QuantifierPusher]: treesize reduction 23, result has 69.7 percent of original size [2021-06-13 06:34:30,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-06-13 06:34:30,175 INFO L142 QuantifierPusher]: treesize reduction 13, result has 71.7 percent of original size [2021-06-13 06:34:30,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-13 06:34:30,194 INFO L142 QuantifierPusher]: treesize reduction 13, result has 69.8 percent of original size [2021-06-13 06:34:30,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-13 06:34:30,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:30,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-06-13 06:34:30,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:30,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-13 06:34:30,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:30,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-13 06:34:30,284 INFO L142 QuantifierPusher]: treesize reduction 31, result has 52.3 percent of original size [2021-06-13 06:34:30,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-13 06:34:30,307 INFO L142 QuantifierPusher]: treesize reduction 72, result has 46.7 percent of original size [2021-06-13 06:34:30,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-06-13 06:34:30,350 INFO L142 QuantifierPusher]: treesize reduction 40, result has 45.9 percent of original size [2021-06-13 06:34:30,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-13 06:34:30,352 INFO L142 QuantifierPusher]: treesize reduction 34, result has 58.5 percent of original size [2021-06-13 06:34:30,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-06-13 06:34:30,368 INFO L142 QuantifierPusher]: treesize reduction 34, result has 50.0 percent of original size [2021-06-13 06:34:30,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-13 06:34:30,369 INFO L142 QuantifierPusher]: treesize reduction 34, result has 45.2 percent of original size [2021-06-13 06:34:30,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-13 06:34:30,390 INFO L142 QuantifierPusher]: treesize reduction 49, result has 43.7 percent of original size [2021-06-13 06:34:30,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-13 06:34:30,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:30,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-13 06:34:30,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:30,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-13 06:34:30,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:30,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-13 06:34:30,471 INFO L142 QuantifierPusher]: treesize reduction 10, result has 70.6 percent of original size [2021-06-13 06:34:30,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-13 06:34:30,492 INFO L142 QuantifierPusher]: treesize reduction 10, result has 64.3 percent of original size [2021-06-13 06:34:30,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-13 06:34:30,513 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-06-13 06:34:30,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-13 06:34:30,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:30,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-13 06:34:30,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:30,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 06:34:30,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 06:34:30,552 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 06:34:30,552 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143727529] [2021-06-13 06:34:30,552 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143727529] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 06:34:30,554 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 06:34:30,554 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-06-13 06:34:30,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632447013] [2021-06-13 06:34:30,554 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-13 06:34:30,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 06:34:30,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-13 06:34:30,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=733, Unknown=0, NotChecked=0, Total=812 [2021-06-13 06:34:30,557 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 257 [2021-06-13 06:34:30,559 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 347 places, 349 transitions, 1930 flow. Second operand has 29 states, 29 states have (on average 143.24137931034483) internal successors, (4154), 29 states have internal predecessors, (4154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:30,559 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 06:34:30,559 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 257 [2021-06-13 06:34:30,559 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 06:34:34,583 INFO L129 PetriNetUnfolder]: 4092/12207 cut-off events. [2021-06-13 06:34:34,583 INFO L130 PetriNetUnfolder]: For 11423/11454 co-relation queries the response was YES. [2021-06-13 06:34:34,668 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25826 conditions, 12207 events. 4092/12207 cut-off events. For 11423/11454 co-relation queries the response was YES. Maximal size of possible extension queue 241. Compared 119221 event pairs, 838 based on Foata normal form. 41/11776 useless extension candidates. Maximal degree in co-relation 25666. Up to 4026 conditions per place. [2021-06-13 06:34:34,701 INFO L132 encePairwiseOnDemand]: 225/257 looper letters, 242 selfloop transitions, 101 changer transitions 12/490 dead transitions. [2021-06-13 06:34:34,701 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 374 places, 490 transitions, 3025 flow [2021-06-13 06:34:34,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-13 06:34:34,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-06-13 06:34:34,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 4227 transitions. [2021-06-13 06:34:34,706 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5874096720400223 [2021-06-13 06:34:34,706 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 4227 transitions. [2021-06-13 06:34:34,706 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 4227 transitions. [2021-06-13 06:34:34,707 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 06:34:34,707 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 4227 transitions. [2021-06-13 06:34:34,710 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 150.96428571428572) internal successors, (4227), 28 states have internal predecessors, (4227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:34,715 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 257.0) internal successors, (7453), 29 states have internal predecessors, (7453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:34,716 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 257.0) internal successors, (7453), 29 states have internal predecessors, (7453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:34,716 INFO L185 Difference]: Start difference. First operand has 347 places, 349 transitions, 1930 flow. Second operand 28 states and 4227 transitions. [2021-06-13 06:34:34,716 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 374 places, 490 transitions, 3025 flow [2021-06-13 06:34:34,806 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 356 places, 490 transitions, 2902 flow, removed 21 selfloop flow, removed 18 redundant places. [2021-06-13 06:34:34,810 INFO L241 Difference]: Finished difference. Result has 362 places, 357 transitions, 2206 flow [2021-06-13 06:34:34,811 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=1818, PETRI_DIFFERENCE_MINUEND_PLACES=329, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=349, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=93, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=252, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=2206, PETRI_PLACES=362, PETRI_TRANSITIONS=357} [2021-06-13 06:34:34,811 INFO L335 CegarLoopForPetriNet]: 235 programPoint places, 127 predicate places. [2021-06-13 06:34:34,811 INFO L482 AbstractCegarLoop]: Abstraction has has 362 places, 357 transitions, 2206 flow [2021-06-13 06:34:34,812 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 143.24137931034483) internal successors, (4154), 29 states have internal predecessors, (4154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:34,812 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 06:34:34,812 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 06:34:34,812 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-13 06:34:34,812 INFO L430 AbstractCegarLoop]: === Iteration 10 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 06:34:34,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 06:34:34,813 INFO L82 PathProgramCache]: Analyzing trace with hash -1235332836, now seen corresponding path program 1 times [2021-06-13 06:34:34,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 06:34:34,813 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857396964] [2021-06-13 06:34:34,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 06:34:34,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 06:34:34,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:34,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 06:34:34,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:34,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 06:34:34,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:34,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 06:34:34,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 06:34:34,838 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 06:34:34,838 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857396964] [2021-06-13 06:34:34,838 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857396964] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 06:34:34,838 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 06:34:34,838 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-13 06:34:34,838 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191814534] [2021-06-13 06:34:34,838 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-13 06:34:34,838 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 06:34:34,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-13 06:34:34,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-13 06:34:34,839 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 235 out of 257 [2021-06-13 06:34:34,839 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 362 places, 357 transitions, 2206 flow. Second operand has 3 states, 3 states have (on average 238.0) internal successors, (714), 3 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:34,839 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 06:34:34,840 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 235 of 257 [2021-06-13 06:34:34,840 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 06:34:34,969 INFO L129 PetriNetUnfolder]: 73/1194 cut-off events. [2021-06-13 06:34:34,970 INFO L130 PetriNetUnfolder]: For 1030/1032 co-relation queries the response was YES. [2021-06-13 06:34:34,976 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2101 conditions, 1194 events. 73/1194 cut-off events. For 1030/1032 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 6629 event pairs, 5 based on Foata normal form. 22/1163 useless extension candidates. Maximal degree in co-relation 1964. Up to 38 conditions per place. [2021-06-13 06:34:34,977 INFO L132 encePairwiseOnDemand]: 251/257 looper letters, 7 selfloop transitions, 6 changer transitions 65/314 dead transitions. [2021-06-13 06:34:34,977 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 364 places, 314 transitions, 1667 flow [2021-06-13 06:34:34,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 06:34:34,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-13 06:34:34,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 721 transitions. [2021-06-13 06:34:34,978 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.9351491569390402 [2021-06-13 06:34:34,978 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 721 transitions. [2021-06-13 06:34:34,978 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 721 transitions. [2021-06-13 06:34:34,978 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 06:34:34,978 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 721 transitions. [2021-06-13 06:34:34,979 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 240.33333333333334) internal successors, (721), 3 states have internal predecessors, (721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:34,980 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:34,980 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:34,980 INFO L185 Difference]: Start difference. First operand has 362 places, 357 transitions, 2206 flow. Second operand 3 states and 721 transitions. [2021-06-13 06:34:34,980 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 364 places, 314 transitions, 1667 flow [2021-06-13 06:34:35,009 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 335 places, 314 transitions, 1528 flow, removed 7 selfloop flow, removed 29 redundant places. [2021-06-13 06:34:35,012 INFO L241 Difference]: Finished difference. Result has 335 places, 249 transitions, 1072 flow [2021-06-13 06:34:35,013 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=1502, PETRI_DIFFERENCE_MINUEND_PLACES=333, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=314, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=308, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1072, PETRI_PLACES=335, PETRI_TRANSITIONS=249} [2021-06-13 06:34:35,013 INFO L335 CegarLoopForPetriNet]: 235 programPoint places, 100 predicate places. [2021-06-13 06:34:35,013 INFO L482 AbstractCegarLoop]: Abstraction has has 335 places, 249 transitions, 1072 flow [2021-06-13 06:34:35,013 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 238.0) internal successors, (714), 3 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:35,013 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 06:34:35,013 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 06:34:35,014 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-13 06:34:35,014 INFO L430 AbstractCegarLoop]: === Iteration 11 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 06:34:35,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 06:34:35,015 INFO L82 PathProgramCache]: Analyzing trace with hash 494963622, now seen corresponding path program 1 times [2021-06-13 06:34:35,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 06:34:35,015 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481492257] [2021-06-13 06:34:35,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 06:34:35,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 06:34:35,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:35,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 06:34:35,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:35,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 06:34:35,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:35,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 06:34:35,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 06:34:35,050 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 06:34:35,050 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481492257] [2021-06-13 06:34:35,050 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481492257] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 06:34:35,050 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 06:34:35,050 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-13 06:34:35,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947412936] [2021-06-13 06:34:35,050 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-13 06:34:35,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 06:34:35,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-13 06:34:35,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-13 06:34:35,051 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 242 out of 257 [2021-06-13 06:34:35,051 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 335 places, 249 transitions, 1072 flow. Second operand has 3 states, 3 states have (on average 243.33333333333334) internal successors, (730), 3 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:35,052 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 06:34:35,052 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 242 of 257 [2021-06-13 06:34:35,052 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 06:34:35,076 INFO L129 PetriNetUnfolder]: 17/322 cut-off events. [2021-06-13 06:34:35,076 INFO L130 PetriNetUnfolder]: For 438/439 co-relation queries the response was YES. [2021-06-13 06:34:35,077 INFO L84 FinitePrefix]: Finished finitePrefix Result has 749 conditions, 322 events. 17/322 cut-off events. For 438/439 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 911 event pairs, 2 based on Foata normal form. 0/315 useless extension candidates. Maximal degree in co-relation 686. Up to 18 conditions per place. [2021-06-13 06:34:35,077 INFO L132 encePairwiseOnDemand]: 255/257 looper letters, 0 selfloop transitions, 0 changer transitions 186/186 dead transitions. [2021-06-13 06:34:35,077 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 186 transitions, 871 flow [2021-06-13 06:34:35,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 06:34:35,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-13 06:34:35,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 730 transitions. [2021-06-13 06:34:35,078 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.9468223086900129 [2021-06-13 06:34:35,078 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 730 transitions. [2021-06-13 06:34:35,078 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 730 transitions. [2021-06-13 06:34:35,078 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 06:34:35,078 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 730 transitions. [2021-06-13 06:34:35,079 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 243.33333333333334) internal successors, (730), 3 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:35,080 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:35,080 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:35,080 INFO L185 Difference]: Start difference. First operand has 335 places, 249 transitions, 1072 flow. Second operand 3 states and 730 transitions. [2021-06-13 06:34:35,080 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 256 places, 186 transitions, 871 flow [2021-06-13 06:34:35,084 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 186 transitions, 635 flow, removed 12 selfloop flow, removed 58 redundant places. [2021-06-13 06:34:35,085 INFO L241 Difference]: Finished difference. Result has 198 places, 0 transitions, 0 flow [2021-06-13 06:34:35,085 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=629, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=198, PETRI_TRANSITIONS=0} [2021-06-13 06:34:35,085 INFO L335 CegarLoopForPetriNet]: 235 programPoint places, -37 predicate places. [2021-06-13 06:34:35,086 INFO L482 AbstractCegarLoop]: Abstraction has has 198 places, 0 transitions, 0 flow [2021-06-13 06:34:35,086 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 243.33333333333334) internal successors, (730), 3 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:35,086 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-13 06:34:35,086 INFO L301 ceAbstractionStarter]: Result for error location t1Thread1of1ForFork0 was SAFE (1/5) [2021-06-13 06:34:35,088 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-06-13 06:34:35,089 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-13 06:34:35,089 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-13 06:34:35,089 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-13 06:34:35,089 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-13 06:34:35,089 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-13 06:34:35,089 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-13 06:34:35,089 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-13 06:34:35,089 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-13 06:34:35,092 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 247 places, 257 transitions, 536 flow [2021-06-13 06:34:35,108 INFO L129 PetriNetUnfolder]: 16/257 cut-off events. [2021-06-13 06:34:35,108 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-06-13 06:34:35,109 INFO L84 FinitePrefix]: Finished finitePrefix Result has 268 conditions, 257 events. 16/257 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 416 event pairs, 0 based on Foata normal form. 0/239 useless extension candidates. Maximal degree in co-relation 185. Up to 3 conditions per place. [2021-06-13 06:34:35,109 INFO L82 GeneralOperation]: Start removeDead. Operand has 247 places, 257 transitions, 536 flow [2021-06-13 06:34:35,111 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 53 places, 53 transitions, 106 flow [2021-06-13 06:34:35,112 INFO L129 PetriNetUnfolder]: 1/52 cut-off events. [2021-06-13 06:34:35,112 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-13 06:34:35,112 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 06:34:35,112 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 06:34:35,112 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 06:34:35,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 06:34:35,113 INFO L82 PathProgramCache]: Analyzing trace with hash 617310073, now seen corresponding path program 1 times [2021-06-13 06:34:35,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 06:34:35,113 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365905020] [2021-06-13 06:34:35,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 06:34:35,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 06:34:35,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:35,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 06:34:35,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:35,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 06:34:35,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 06:34:35,133 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 06:34:35,134 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365905020] [2021-06-13 06:34:35,134 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365905020] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 06:34:35,134 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 06:34:35,134 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-13 06:34:35,134 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816598701] [2021-06-13 06:34:35,134 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-13 06:34:35,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 06:34:35,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-13 06:34:35,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-13 06:34:35,135 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 257 [2021-06-13 06:34:35,135 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 53 transitions, 106 flow. Second operand has 2 states, 2 states have (on average 248.5) internal successors, (497), 2 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:35,135 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 06:34:35,135 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 257 [2021-06-13 06:34:35,135 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 06:34:35,137 INFO L129 PetriNetUnfolder]: 1/50 cut-off events. [2021-06-13 06:34:35,137 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-13 06:34:35,137 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52 conditions, 50 events. 1/50 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 9 event pairs, 0 based on Foata normal form. 1/50 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2021-06-13 06:34:35,137 INFO L132 encePairwiseOnDemand]: 256/257 looper letters, 0 selfloop transitions, 0 changer transitions 50/50 dead transitions. [2021-06-13 06:34:35,137 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 50 transitions, 100 flow [2021-06-13 06:34:35,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 06:34:35,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-06-13 06:34:35,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 497 transitions. [2021-06-13 06:34:35,137 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.9669260700389105 [2021-06-13 06:34:35,137 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 497 transitions. [2021-06-13 06:34:35,137 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 497 transitions. [2021-06-13 06:34:35,138 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 06:34:35,138 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 497 transitions. [2021-06-13 06:34:35,138 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 248.5) internal successors, (497), 2 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:35,139 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 257.0) internal successors, (771), 3 states have internal predecessors, (771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:35,139 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 257.0) internal successors, (771), 3 states have internal predecessors, (771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:35,139 INFO L185 Difference]: Start difference. First operand has 53 places, 53 transitions, 106 flow. Second operand 2 states and 497 transitions. [2021-06-13 06:34:35,139 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 50 transitions, 100 flow [2021-06-13 06:34:35,140 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 50 transitions, 100 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-13 06:34:35,140 INFO L241 Difference]: Finished difference. Result has 51 places, 0 transitions, 0 flow [2021-06-13 06:34:35,140 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=0, PETRI_PLACES=51, PETRI_TRANSITIONS=0} [2021-06-13 06:34:35,140 INFO L335 CegarLoopForPetriNet]: 53 programPoint places, -2 predicate places. [2021-06-13 06:34:35,140 INFO L482 AbstractCegarLoop]: Abstraction has has 51 places, 0 transitions, 0 flow [2021-06-13 06:34:35,141 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 248.5) internal successors, (497), 2 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:35,141 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-13 06:34:35,141 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (2/5) [2021-06-13 06:34:35,141 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-13 06:34:35,141 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-13 06:34:35,142 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-13 06:34:35,142 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-13 06:34:35,142 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-13 06:34:35,142 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-13 06:34:35,142 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-13 06:34:35,142 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-13 06:34:35,142 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == t2Thread1of1ForFork1======== [2021-06-13 06:34:35,143 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 247 places, 257 transitions, 536 flow [2021-06-13 06:34:35,155 INFO L129 PetriNetUnfolder]: 16/257 cut-off events. [2021-06-13 06:34:35,155 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-06-13 06:34:35,156 INFO L84 FinitePrefix]: Finished finitePrefix Result has 268 conditions, 257 events. 16/257 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 416 event pairs, 0 based on Foata normal form. 0/239 useless extension candidates. Maximal degree in co-relation 185. Up to 3 conditions per place. [2021-06-13 06:34:35,156 INFO L82 GeneralOperation]: Start removeDead. Operand has 247 places, 257 transitions, 536 flow [2021-06-13 06:34:35,158 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 235 places, 244 transitions, 500 flow [2021-06-13 06:34:35,166 INFO L129 PetriNetUnfolder]: 8/183 cut-off events. [2021-06-13 06:34:35,166 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-06-13 06:34:35,166 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 06:34:35,166 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 06:34:35,166 INFO L430 AbstractCegarLoop]: === Iteration 1 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 06:34:35,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 06:34:35,167 INFO L82 PathProgramCache]: Analyzing trace with hash 1979063990, now seen corresponding path program 1 times [2021-06-13 06:34:35,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 06:34:35,167 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350971898] [2021-06-13 06:34:35,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 06:34:35,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 06:34:35,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:35,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 06:34:35,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:35,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 06:34:35,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:35,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-13 06:34:35,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:35,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-13 06:34:35,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:35,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-13 06:34:35,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:35,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-13 06:34:35,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:35,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-13 06:34:35,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:35,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-13 06:34:35,233 INFO L142 QuantifierPusher]: treesize reduction 14, result has 51.7 percent of original size [2021-06-13 06:34:35,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-13 06:34:35,239 INFO L142 QuantifierPusher]: treesize reduction 14, result has 39.1 percent of original size [2021-06-13 06:34:35,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 06:34:35,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:35,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 06:34:35,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:35,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 06:34:35,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 06:34:35,251 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 06:34:35,252 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350971898] [2021-06-13 06:34:35,252 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350971898] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 06:34:35,252 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 06:34:35,252 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-13 06:34:35,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778457803] [2021-06-13 06:34:35,252 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-13 06:34:35,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 06:34:35,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-13 06:34:35,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-06-13 06:34:35,254 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 257 [2021-06-13 06:34:35,255 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 244 transitions, 500 flow. Second operand has 12 states, 12 states have (on average 185.0) internal successors, (2220), 12 states have internal predecessors, (2220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:35,255 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 06:34:35,255 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 257 [2021-06-13 06:34:35,255 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 06:34:35,797 INFO L129 PetriNetUnfolder]: 1037/4023 cut-off events. [2021-06-13 06:34:35,797 INFO L130 PetriNetUnfolder]: For 46/46 co-relation queries the response was YES. [2021-06-13 06:34:35,804 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5607 conditions, 4023 events. 1037/4023 cut-off events. For 46/46 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 33095 event pairs, 802 based on Foata normal form. 195/3934 useless extension candidates. Maximal degree in co-relation 5445. Up to 1481 conditions per place. [2021-06-13 06:34:35,812 INFO L132 encePairwiseOnDemand]: 239/257 looper letters, 51 selfloop transitions, 12 changer transitions 0/230 dead transitions. [2021-06-13 06:34:35,812 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 230 transitions, 598 flow [2021-06-13 06:34:35,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-13 06:34:35,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-13 06:34:35,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2435 transitions. [2021-06-13 06:34:35,814 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7288237054774019 [2021-06-13 06:34:35,814 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2435 transitions. [2021-06-13 06:34:35,814 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2435 transitions. [2021-06-13 06:34:35,815 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 06:34:35,815 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2435 transitions. [2021-06-13 06:34:35,817 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 187.30769230769232) internal successors, (2435), 13 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) [2021-06-13 06:34:35,819 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 257.0) internal successors, (3598), 14 states have internal predecessors, (3598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:35,820 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 257.0) internal successors, (3598), 14 states have internal predecessors, (3598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:35,820 INFO L185 Difference]: Start difference. First operand has 235 places, 244 transitions, 500 flow. Second operand 13 states and 2435 transitions. [2021-06-13 06:34:35,820 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 230 transitions, 598 flow [2021-06-13 06:34:35,821 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 230 transitions, 590 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-06-13 06:34:35,823 INFO L241 Difference]: Finished difference. Result has 235 places, 230 transitions, 488 flow [2021-06-13 06:34:35,823 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=464, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=230, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=218, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=488, PETRI_PLACES=235, PETRI_TRANSITIONS=230} [2021-06-13 06:34:35,823 INFO L335 CegarLoopForPetriNet]: 235 programPoint places, 0 predicate places. [2021-06-13 06:34:35,823 INFO L482 AbstractCegarLoop]: Abstraction has has 235 places, 230 transitions, 488 flow [2021-06-13 06:34:35,824 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 185.0) internal successors, (2220), 12 states have internal predecessors, (2220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:35,824 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 06:34:35,824 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 06:34:35,824 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-06-13 06:34:35,824 INFO L430 AbstractCegarLoop]: === Iteration 2 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 06:34:35,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 06:34:35,824 INFO L82 PathProgramCache]: Analyzing trace with hash -1743993907, now seen corresponding path program 1 times [2021-06-13 06:34:35,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 06:34:35,824 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046202035] [2021-06-13 06:34:35,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 06:34:35,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 06:34:35,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:35,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 06:34:35,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:35,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 06:34:35,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:35,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 06:34:35,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 06:34:35,845 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 06:34:35,845 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046202035] [2021-06-13 06:34:35,845 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046202035] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 06:34:35,845 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 06:34:35,845 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-13 06:34:35,845 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690172334] [2021-06-13 06:34:35,845 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-13 06:34:35,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 06:34:35,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-13 06:34:35,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-13 06:34:35,846 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 242 out of 257 [2021-06-13 06:34:35,847 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 230 transitions, 488 flow. Second operand has 3 states, 3 states have (on average 243.0) internal successors, (729), 3 states have internal predecessors, (729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:35,847 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 06:34:35,847 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 242 of 257 [2021-06-13 06:34:35,847 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 06:34:35,874 INFO L129 PetriNetUnfolder]: 21/399 cut-off events. [2021-06-13 06:34:35,874 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-13 06:34:35,876 INFO L84 FinitePrefix]: Finished finitePrefix Result has 432 conditions, 399 events. 21/399 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 617 event pairs, 0 based on Foata normal form. 0/375 useless extension candidates. Maximal degree in co-relation 363. Up to 12 conditions per place. [2021-06-13 06:34:35,876 INFO L132 encePairwiseOnDemand]: 253/257 looper letters, 5 selfloop transitions, 3 changer transitions 0/232 dead transitions. [2021-06-13 06:34:35,876 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 232 transitions, 508 flow [2021-06-13 06:34:35,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 06:34:35,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-13 06:34:35,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 735 transitions. [2021-06-13 06:34:35,877 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.953307392996109 [2021-06-13 06:34:35,877 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 735 transitions. [2021-06-13 06:34:35,877 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 735 transitions. [2021-06-13 06:34:35,878 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 06:34:35,878 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 735 transitions. [2021-06-13 06:34:35,878 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 245.0) internal successors, (735), 3 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:35,879 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:35,879 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:35,879 INFO L185 Difference]: Start difference. First operand has 235 places, 230 transitions, 488 flow. Second operand 3 states and 735 transitions. [2021-06-13 06:34:35,879 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 232 transitions, 508 flow [2021-06-13 06:34:35,880 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 232 transitions, 485 flow, removed 0 selfloop flow, removed 11 redundant places. [2021-06-13 06:34:35,882 INFO L241 Difference]: Finished difference. Result has 227 places, 231 transitions, 480 flow [2021-06-13 06:34:35,882 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=465, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=230, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=227, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=480, PETRI_PLACES=227, PETRI_TRANSITIONS=231} [2021-06-13 06:34:35,883 INFO L335 CegarLoopForPetriNet]: 235 programPoint places, -8 predicate places. [2021-06-13 06:34:35,883 INFO L482 AbstractCegarLoop]: Abstraction has has 227 places, 231 transitions, 480 flow [2021-06-13 06:34:35,883 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 243.0) internal successors, (729), 3 states have internal predecessors, (729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:35,883 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 06:34:35,883 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 06:34:35,883 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-06-13 06:34:35,883 INFO L430 AbstractCegarLoop]: === Iteration 3 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 06:34:35,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 06:34:35,883 INFO L82 PathProgramCache]: Analyzing trace with hash 1500890119, now seen corresponding path program 1 times [2021-06-13 06:34:35,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 06:34:35,884 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154699941] [2021-06-13 06:34:35,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 06:34:35,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 06:34:35,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:35,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 06:34:35,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:35,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 06:34:35,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:35,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 06:34:35,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 06:34:35,917 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 06:34:35,917 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154699941] [2021-06-13 06:34:35,918 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154699941] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 06:34:35,918 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 06:34:35,918 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-13 06:34:35,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431398336] [2021-06-13 06:34:35,918 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-13 06:34:35,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 06:34:35,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-13 06:34:35,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-13 06:34:35,919 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 235 out of 257 [2021-06-13 06:34:35,919 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 231 transitions, 480 flow. Second operand has 3 states, 3 states have (on average 238.66666666666666) internal successors, (716), 3 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:35,919 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 06:34:35,919 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 235 of 257 [2021-06-13 06:34:35,919 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 06:34:35,953 INFO L129 PetriNetUnfolder]: 22/452 cut-off events. [2021-06-13 06:34:35,953 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-06-13 06:34:35,954 INFO L84 FinitePrefix]: Finished finitePrefix Result has 495 conditions, 452 events. 22/452 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1021 event pairs, 3 based on Foata normal form. 6/435 useless extension candidates. Maximal degree in co-relation 430. Up to 18 conditions per place. [2021-06-13 06:34:35,954 INFO L132 encePairwiseOnDemand]: 251/257 looper letters, 7 selfloop transitions, 6 changer transitions 0/231 dead transitions. [2021-06-13 06:34:35,955 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 231 transitions, 506 flow [2021-06-13 06:34:35,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 06:34:35,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-13 06:34:35,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 721 transitions. [2021-06-13 06:34:35,956 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.9351491569390402 [2021-06-13 06:34:35,956 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 721 transitions. [2021-06-13 06:34:35,956 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 721 transitions. [2021-06-13 06:34:35,956 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 06:34:35,956 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 721 transitions. [2021-06-13 06:34:35,957 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 240.33333333333334) internal successors, (721), 3 states have internal predecessors, (721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:35,958 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:35,958 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:35,958 INFO L185 Difference]: Start difference. First operand has 227 places, 231 transitions, 480 flow. Second operand 3 states and 721 transitions. [2021-06-13 06:34:35,958 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 231 transitions, 506 flow [2021-06-13 06:34:35,959 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 231 transitions, 503 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-13 06:34:35,961 INFO L241 Difference]: Finished difference. Result has 228 places, 231 transitions, 489 flow [2021-06-13 06:34:35,961 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=477, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=225, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=489, PETRI_PLACES=228, PETRI_TRANSITIONS=231} [2021-06-13 06:34:35,961 INFO L335 CegarLoopForPetriNet]: 235 programPoint places, -7 predicate places. [2021-06-13 06:34:35,961 INFO L482 AbstractCegarLoop]: Abstraction has has 228 places, 231 transitions, 489 flow [2021-06-13 06:34:35,961 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 238.66666666666666) internal successors, (716), 3 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:35,961 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 06:34:35,962 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 06:34:35,962 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-06-13 06:34:35,962 INFO L430 AbstractCegarLoop]: === Iteration 4 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 06:34:35,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 06:34:35,962 INFO L82 PathProgramCache]: Analyzing trace with hash -1797217637, now seen corresponding path program 1 times [2021-06-13 06:34:35,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 06:34:35,962 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153670622] [2021-06-13 06:34:35,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 06:34:35,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 06:34:36,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:36,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 06:34:36,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:36,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 06:34:36,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:36,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-13 06:34:36,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:36,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-13 06:34:36,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:36,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-13 06:34:36,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:36,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-13 06:34:36,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:36,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-13 06:34:36,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:36,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-13 06:34:36,068 INFO L142 QuantifierPusher]: treesize reduction 17, result has 57.5 percent of original size [2021-06-13 06:34:36,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-13 06:34:36,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:36,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-13 06:34:36,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:36,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-13 06:34:36,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:36,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-13 06:34:36,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:36,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-13 06:34:36,105 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-06-13 06:34:36,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-13 06:34:36,115 INFO L142 QuantifierPusher]: treesize reduction 21, result has 51.2 percent of original size [2021-06-13 06:34:36,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-13 06:34:36,130 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-06-13 06:34:36,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-13 06:34:36,131 INFO L142 QuantifierPusher]: treesize reduction 9, result has 69.0 percent of original size [2021-06-13 06:34:36,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-13 06:34:36,139 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-06-13 06:34:36,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-13 06:34:36,140 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-06-13 06:34:36,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 06:34:36,149 INFO L142 QuantifierPusher]: treesize reduction 12, result has 7.7 percent of original size [2021-06-13 06:34:36,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 06:34:36,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:36,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 06:34:36,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 06:34:36,151 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 06:34:36,151 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153670622] [2021-06-13 06:34:36,152 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153670622] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 06:34:36,152 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 06:34:36,152 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-06-13 06:34:36,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338653546] [2021-06-13 06:34:36,153 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-13 06:34:36,153 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 06:34:36,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-13 06:34:36,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2021-06-13 06:34:36,154 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 257 [2021-06-13 06:34:36,156 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 231 transitions, 489 flow. Second operand has 16 states, 16 states have (on average 163.625) internal successors, (2618), 16 states have internal predecessors, (2618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:36,156 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 06:34:36,156 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 257 [2021-06-13 06:34:36,156 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 06:34:36,903 INFO L129 PetriNetUnfolder]: 419/1818 cut-off events. [2021-06-13 06:34:36,903 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-13 06:34:36,906 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2811 conditions, 1818 events. 419/1818 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 11018 event pairs, 242 based on Foata normal form. 0/1718 useless extension candidates. Maximal degree in co-relation 2720. Up to 768 conditions per place. [2021-06-13 06:34:36,909 INFO L132 encePairwiseOnDemand]: 241/257 looper letters, 93 selfloop transitions, 20 changer transitions 1/259 dead transitions. [2021-06-13 06:34:36,909 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 242 places, 259 transitions, 774 flow [2021-06-13 06:34:36,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-13 06:34:36,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-06-13 06:34:36,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2501 transitions. [2021-06-13 06:34:36,912 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.6487678339818418 [2021-06-13 06:34:36,912 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2501 transitions. [2021-06-13 06:34:36,912 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2501 transitions. [2021-06-13 06:34:36,912 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 06:34:36,912 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2501 transitions. [2021-06-13 06:34:36,914 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 166.73333333333332) internal successors, (2501), 15 states have internal predecessors, (2501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:36,917 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 257.0) internal successors, (4112), 16 states have internal predecessors, (4112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:36,917 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 257.0) internal successors, (4112), 16 states have internal predecessors, (4112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:36,917 INFO L185 Difference]: Start difference. First operand has 228 places, 231 transitions, 489 flow. Second operand 15 states and 2501 transitions. [2021-06-13 06:34:36,917 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 242 places, 259 transitions, 774 flow [2021-06-13 06:34:36,919 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 259 transitions, 768 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-13 06:34:36,921 INFO L241 Difference]: Finished difference. Result has 247 places, 244 transitions, 590 flow [2021-06-13 06:34:36,921 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=483, PETRI_DIFFERENCE_MINUEND_PLACES=227, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=216, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=590, PETRI_PLACES=247, PETRI_TRANSITIONS=244} [2021-06-13 06:34:36,921 INFO L335 CegarLoopForPetriNet]: 235 programPoint places, 12 predicate places. [2021-06-13 06:34:36,921 INFO L482 AbstractCegarLoop]: Abstraction has has 247 places, 244 transitions, 590 flow [2021-06-13 06:34:36,922 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 163.625) internal successors, (2618), 16 states have internal predecessors, (2618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:36,922 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 06:34:36,922 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 06:34:36,922 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-06-13 06:34:36,922 INFO L430 AbstractCegarLoop]: === Iteration 5 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 06:34:36,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 06:34:36,922 INFO L82 PathProgramCache]: Analyzing trace with hash -158587549, now seen corresponding path program 2 times [2021-06-13 06:34:36,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 06:34:36,923 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33359759] [2021-06-13 06:34:36,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 06:34:36,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 06:34:36,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:36,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 06:34:36,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:36,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-13 06:34:36,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:36,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-13 06:34:36,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:36,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-13 06:34:36,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:36,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-13 06:34:36,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:36,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-13 06:34:37,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:37,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-13 06:34:37,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:37,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-13 06:34:37,009 INFO L142 QuantifierPusher]: treesize reduction 15, result has 48.3 percent of original size [2021-06-13 06:34:37,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-13 06:34:37,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:37,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-13 06:34:37,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:37,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-13 06:34:37,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:37,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-13 06:34:37,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:37,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-13 06:34:37,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:37,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-13 06:34:37,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:37,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-13 06:34:37,063 INFO L142 QuantifierPusher]: treesize reduction 26, result has 33.3 percent of original size [2021-06-13 06:34:37,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-13 06:34:37,075 INFO L142 QuantifierPusher]: treesize reduction 38, result has 44.9 percent of original size [2021-06-13 06:34:37,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-13 06:34:37,099 INFO L142 QuantifierPusher]: treesize reduction 26, result has 35.0 percent of original size [2021-06-13 06:34:37,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-13 06:34:37,111 INFO L142 QuantifierPusher]: treesize reduction 17, result has 55.3 percent of original size [2021-06-13 06:34:37,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-13 06:34:37,122 INFO L142 QuantifierPusher]: treesize reduction 17, result has 45.2 percent of original size [2021-06-13 06:34:37,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-13 06:34:37,122 INFO L142 QuantifierPusher]: treesize reduction 17, result has 32.0 percent of original size [2021-06-13 06:34:37,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-13 06:34:37,134 INFO L142 QuantifierPusher]: treesize reduction 20, result has 4.8 percent of original size [2021-06-13 06:34:37,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 06:34:37,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:37,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 06:34:37,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 06:34:37,135 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 06:34:37,136 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33359759] [2021-06-13 06:34:37,136 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33359759] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 06:34:37,136 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 06:34:37,136 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-06-13 06:34:37,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642506010] [2021-06-13 06:34:37,136 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-13 06:34:37,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 06:34:37,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-13 06:34:37,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2021-06-13 06:34:37,138 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 257 [2021-06-13 06:34:37,139 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 244 transitions, 590 flow. Second operand has 17 states, 17 states have (on average 162.47058823529412) internal successors, (2762), 17 states have internal predecessors, (2762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:37,139 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 06:34:37,139 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 257 [2021-06-13 06:34:37,139 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 06:34:38,088 INFO L129 PetriNetUnfolder]: 685/2769 cut-off events. [2021-06-13 06:34:38,088 INFO L130 PetriNetUnfolder]: For 112/112 co-relation queries the response was YES. [2021-06-13 06:34:38,094 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4508 conditions, 2769 events. 685/2769 cut-off events. For 112/112 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 19629 event pairs, 34 based on Foata normal form. 0/2638 useless extension candidates. Maximal degree in co-relation 4407. Up to 733 conditions per place. [2021-06-13 06:34:38,098 INFO L132 encePairwiseOnDemand]: 234/257 looper letters, 138 selfloop transitions, 39 changer transitions 10/330 dead transitions. [2021-06-13 06:34:38,098 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 264 places, 330 transitions, 1164 flow [2021-06-13 06:34:38,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 06:34:38,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-06-13 06:34:38,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 3021 transitions. [2021-06-13 06:34:38,103 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.6530479896238651 [2021-06-13 06:34:38,103 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 3021 transitions. [2021-06-13 06:34:38,103 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 3021 transitions. [2021-06-13 06:34:38,104 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 06:34:38,104 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 3021 transitions. [2021-06-13 06:34:38,106 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 167.83333333333334) internal successors, (3021), 18 states have internal predecessors, (3021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:38,111 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 257.0) internal successors, (4883), 19 states have internal predecessors, (4883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:38,111 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 257.0) internal successors, (4883), 19 states have internal predecessors, (4883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:38,111 INFO L185 Difference]: Start difference. First operand has 247 places, 244 transitions, 590 flow. Second operand 18 states and 3021 transitions. [2021-06-13 06:34:38,111 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 264 places, 330 transitions, 1164 flow [2021-06-13 06:34:38,113 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 257 places, 330 transitions, 1151 flow, removed 0 selfloop flow, removed 7 redundant places. [2021-06-13 06:34:38,116 INFO L241 Difference]: Finished difference. Result has 263 places, 268 transitions, 786 flow [2021-06-13 06:34:38,116 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=577, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=218, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=786, PETRI_PLACES=263, PETRI_TRANSITIONS=268} [2021-06-13 06:34:38,116 INFO L335 CegarLoopForPetriNet]: 235 programPoint places, 28 predicate places. [2021-06-13 06:34:38,116 INFO L482 AbstractCegarLoop]: Abstraction has has 263 places, 268 transitions, 786 flow [2021-06-13 06:34:38,117 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 162.47058823529412) internal successors, (2762), 17 states have internal predecessors, (2762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:38,117 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 06:34:38,117 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 06:34:38,117 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-06-13 06:34:38,117 INFO L430 AbstractCegarLoop]: === Iteration 6 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 06:34:38,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 06:34:38,117 INFO L82 PathProgramCache]: Analyzing trace with hash 1904399189, now seen corresponding path program 1 times [2021-06-13 06:34:38,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 06:34:38,117 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2365012] [2021-06-13 06:34:38,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 06:34:38,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 06:34:38,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:38,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 06:34:38,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:38,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-13 06:34:38,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:38,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-13 06:34:38,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:38,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-13 06:34:38,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:38,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-13 06:34:38,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:38,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-13 06:34:38,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:38,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-13 06:34:38,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:38,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-13 06:34:38,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:38,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-13 06:34:38,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:38,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-13 06:34:38,317 INFO L142 QuantifierPusher]: treesize reduction 17, result has 67.3 percent of original size [2021-06-13 06:34:38,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-13 06:34:38,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:38,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-13 06:34:38,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:38,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-13 06:34:38,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:38,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-13 06:34:38,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:38,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-13 06:34:38,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:38,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-13 06:34:38,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:38,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-13 06:34:38,398 INFO L142 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size [2021-06-13 06:34:38,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-13 06:34:38,415 INFO L142 QuantifierPusher]: treesize reduction 26, result has 61.2 percent of original size [2021-06-13 06:34:38,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-13 06:34:38,446 INFO L142 QuantifierPusher]: treesize reduction 24, result has 48.9 percent of original size [2021-06-13 06:34:38,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-13 06:34:38,447 INFO L142 QuantifierPusher]: treesize reduction 31, result has 49.2 percent of original size [2021-06-13 06:34:38,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-13 06:34:38,459 INFO L142 QuantifierPusher]: treesize reduction 24, result has 48.9 percent of original size [2021-06-13 06:34:38,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-13 06:34:38,461 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-06-13 06:34:38,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-13 06:34:38,483 INFO L142 QuantifierPusher]: treesize reduction 45, result has 27.4 percent of original size [2021-06-13 06:34:38,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-13 06:34:38,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:38,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-13 06:34:38,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:38,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-13 06:34:38,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:38,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-13 06:34:38,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:38,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-13 06:34:38,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:38,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-13 06:34:38,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:38,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-13 06:34:38,612 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-06-13 06:34:38,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-13 06:34:38,636 INFO L142 QuantifierPusher]: treesize reduction 28, result has 56.3 percent of original size [2021-06-13 06:34:38,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-13 06:34:38,660 INFO L142 QuantifierPusher]: treesize reduction 26, result has 35.0 percent of original size [2021-06-13 06:34:38,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-13 06:34:38,680 INFO L142 QuantifierPusher]: treesize reduction 17, result has 55.3 percent of original size [2021-06-13 06:34:38,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-13 06:34:38,699 INFO L142 QuantifierPusher]: treesize reduction 17, result has 45.2 percent of original size [2021-06-13 06:34:38,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-13 06:34:38,700 INFO L142 QuantifierPusher]: treesize reduction 17, result has 32.0 percent of original size [2021-06-13 06:34:38,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-13 06:34:38,718 INFO L142 QuantifierPusher]: treesize reduction 20, result has 4.8 percent of original size [2021-06-13 06:34:38,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 06:34:38,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:38,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 06:34:38,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 06:34:38,720 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 06:34:38,720 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2365012] [2021-06-13 06:34:38,720 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2365012] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 06:34:38,720 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 06:34:38,720 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-06-13 06:34:38,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778771707] [2021-06-13 06:34:38,722 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-13 06:34:38,722 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 06:34:38,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-13 06:34:38,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=700, Unknown=0, NotChecked=0, Total=812 [2021-06-13 06:34:38,724 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 257 [2021-06-13 06:34:38,726 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 268 transitions, 786 flow. Second operand has 29 states, 29 states have (on average 147.89655172413794) internal successors, (4289), 29 states have internal predecessors, (4289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:38,726 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 06:34:38,726 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 257 [2021-06-13 06:34:38,726 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 06:34:41,251 INFO L129 PetriNetUnfolder]: 1225/4423 cut-off events. [2021-06-13 06:34:41,251 INFO L130 PetriNetUnfolder]: For 805/807 co-relation queries the response was YES. [2021-06-13 06:34:41,264 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8267 conditions, 4423 events. 1225/4423 cut-off events. For 805/807 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 32181 event pairs, 84 based on Foata normal form. 23/4268 useless extension candidates. Maximal degree in co-relation 8159. Up to 1192 conditions per place. [2021-06-13 06:34:41,271 INFO L132 encePairwiseOnDemand]: 221/257 looper letters, 211 selfloop transitions, 61 changer transitions 20/424 dead transitions. [2021-06-13 06:34:41,271 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 424 transitions, 1817 flow [2021-06-13 06:34:41,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-13 06:34:41,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2021-06-13 06:34:41,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 4902 transitions. [2021-06-13 06:34:41,275 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5960603112840467 [2021-06-13 06:34:41,275 INFO L72 ComplementDD]: Start complementDD. Operand 32 states and 4902 transitions. [2021-06-13 06:34:41,275 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 4902 transitions. [2021-06-13 06:34:41,276 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 06:34:41,276 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 32 states and 4902 transitions. [2021-06-13 06:34:41,280 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 33 states, 32 states have (on average 153.1875) internal successors, (4902), 32 states have internal predecessors, (4902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:41,284 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 33 states, 33 states have (on average 257.0) internal successors, (8481), 33 states have internal predecessors, (8481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:41,284 INFO L81 ComplementDD]: Finished complementDD. Result has 33 states, 33 states have (on average 257.0) internal successors, (8481), 33 states have internal predecessors, (8481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:41,284 INFO L185 Difference]: Start difference. First operand has 263 places, 268 transitions, 786 flow. Second operand 32 states and 4902 transitions. [2021-06-13 06:34:41,284 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 424 transitions, 1817 flow [2021-06-13 06:34:41,289 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 424 transitions, 1786 flow, removed 8 selfloop flow, removed 9 redundant places. [2021-06-13 06:34:41,292 INFO L241 Difference]: Finished difference. Result has 284 places, 290 transitions, 1080 flow [2021-06-13 06:34:41,293 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=701, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=256, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=206, PETRI_DIFFERENCE_SUBTRAHEND_STATES=32, PETRI_FLOW=1080, PETRI_PLACES=284, PETRI_TRANSITIONS=290} [2021-06-13 06:34:41,293 INFO L335 CegarLoopForPetriNet]: 235 programPoint places, 49 predicate places. [2021-06-13 06:34:41,293 INFO L482 AbstractCegarLoop]: Abstraction has has 284 places, 290 transitions, 1080 flow [2021-06-13 06:34:41,293 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 147.89655172413794) internal successors, (4289), 29 states have internal predecessors, (4289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:41,293 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 06:34:41,294 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 06:34:41,294 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-06-13 06:34:41,294 INFO L430 AbstractCegarLoop]: === Iteration 7 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 06:34:41,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 06:34:41,294 INFO L82 PathProgramCache]: Analyzing trace with hash -489924979, now seen corresponding path program 2 times [2021-06-13 06:34:41,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 06:34:41,294 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207613792] [2021-06-13 06:34:41,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 06:34:41,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 06:34:41,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:41,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 06:34:41,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:41,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-13 06:34:41,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:41,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-13 06:34:41,408 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-06-13 06:34:41,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-13 06:34:41,415 INFO L142 QuantifierPusher]: treesize reduction 13, result has 55.2 percent of original size [2021-06-13 06:34:41,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-13 06:34:41,422 INFO L142 QuantifierPusher]: treesize reduction 13, result has 62.9 percent of original size [2021-06-13 06:34:41,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-13 06:34:41,432 INFO L142 QuantifierPusher]: treesize reduction 13, result has 62.9 percent of original size [2021-06-13 06:34:41,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-13 06:34:41,443 INFO L142 QuantifierPusher]: treesize reduction 13, result has 73.5 percent of original size [2021-06-13 06:34:41,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-13 06:34:41,457 INFO L142 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size [2021-06-13 06:34:41,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-13 06:34:41,469 INFO L142 QuantifierPusher]: treesize reduction 13, result has 69.0 percent of original size [2021-06-13 06:34:41,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-13 06:34:41,485 INFO L142 QuantifierPusher]: treesize reduction 33, result has 57.1 percent of original size [2021-06-13 06:34:41,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-06-13 06:34:41,511 INFO L142 QuantifierPusher]: treesize reduction 33, result has 61.6 percent of original size [2021-06-13 06:34:41,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-06-13 06:34:41,542 INFO L142 QuantifierPusher]: treesize reduction 13, result has 74.0 percent of original size [2021-06-13 06:34:41,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-13 06:34:41,560 INFO L142 QuantifierPusher]: treesize reduction 13, result has 72.3 percent of original size [2021-06-13 06:34:41,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-13 06:34:41,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:41,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-06-13 06:34:41,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:41,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-13 06:34:41,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:41,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-13 06:34:41,656 INFO L142 QuantifierPusher]: treesize reduction 54, result has 42.6 percent of original size [2021-06-13 06:34:41,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-06-13 06:34:41,677 INFO L142 QuantifierPusher]: treesize reduction 53, result has 55.1 percent of original size [2021-06-13 06:34:41,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-06-13 06:34:41,716 INFO L142 QuantifierPusher]: treesize reduction 48, result has 45.5 percent of original size [2021-06-13 06:34:41,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-06-13 06:34:41,718 INFO L142 QuantifierPusher]: treesize reduction 42, result has 59.2 percent of original size [2021-06-13 06:34:41,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-06-13 06:34:41,734 INFO L142 QuantifierPusher]: treesize reduction 42, result has 48.8 percent of original size [2021-06-13 06:34:41,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-06-13 06:34:41,735 INFO L142 QuantifierPusher]: treesize reduction 42, result has 44.7 percent of original size [2021-06-13 06:34:41,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-13 06:34:41,764 INFO L142 QuantifierPusher]: treesize reduction 42, result has 45.5 percent of original size [2021-06-13 06:34:41,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-13 06:34:41,787 INFO L142 QuantifierPusher]: treesize reduction 42, result has 40.8 percent of original size [2021-06-13 06:34:41,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-13 06:34:41,809 INFO L142 QuantifierPusher]: treesize reduction 36, result has 50.0 percent of original size [2021-06-13 06:34:41,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-13 06:34:41,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:41,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-13 06:34:41,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:41,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-13 06:34:41,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:41,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-13 06:34:41,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:41,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-13 06:34:41,934 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.9 percent of original size [2021-06-13 06:34:41,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-06-13 06:34:41,985 INFO L142 QuantifierPusher]: treesize reduction 25, result has 59.7 percent of original size [2021-06-13 06:34:41,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-13 06:34:42,011 INFO L142 QuantifierPusher]: treesize reduction 30, result has 52.4 percent of original size [2021-06-13 06:34:42,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-13 06:34:42,037 INFO L142 QuantifierPusher]: treesize reduction 30, result has 46.4 percent of original size [2021-06-13 06:34:42,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-13 06:34:42,066 INFO L142 QuantifierPusher]: treesize reduction 24, result has 57.9 percent of original size [2021-06-13 06:34:42,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-13 06:34:42,086 INFO L142 QuantifierPusher]: treesize reduction 24, result has 58.6 percent of original size [2021-06-13 06:34:42,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-13 06:34:42,107 INFO L142 QuantifierPusher]: treesize reduction 17, result has 61.4 percent of original size [2021-06-13 06:34:42,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-13 06:34:42,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:42,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-13 06:34:42,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:42,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-13 06:34:42,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:42,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-13 06:34:42,197 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-06-13 06:34:42,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-13 06:34:42,219 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-06-13 06:34:42,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-13 06:34:42,220 INFO L142 QuantifierPusher]: treesize reduction 14, result has 36.4 percent of original size [2021-06-13 06:34:42,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-13 06:34:42,241 INFO L142 QuantifierPusher]: treesize reduction 17, result has 5.6 percent of original size [2021-06-13 06:34:42,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 06:34:42,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:42,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 06:34:42,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 06:34:42,243 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 06:34:42,243 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207613792] [2021-06-13 06:34:42,243 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207613792] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 06:34:42,243 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 06:34:42,243 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2021-06-13 06:34:42,243 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779008508] [2021-06-13 06:34:42,243 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-13 06:34:42,244 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 06:34:42,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-13 06:34:42,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=1177, Unknown=0, NotChecked=0, Total=1332 [2021-06-13 06:34:42,246 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 257 [2021-06-13 06:34:42,248 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 290 transitions, 1080 flow. Second operand has 37 states, 37 states have (on average 129.56756756756758) internal successors, (4794), 37 states have internal predecessors, (4794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:42,248 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 06:34:42,248 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 257 [2021-06-13 06:34:42,248 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 06:34:46,227 INFO L129 PetriNetUnfolder]: 1911/6066 cut-off events. [2021-06-13 06:34:46,228 INFO L130 PetriNetUnfolder]: For 1860/1863 co-relation queries the response was YES. [2021-06-13 06:34:46,239 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12080 conditions, 6066 events. 1911/6066 cut-off events. For 1860/1863 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 48031 event pairs, 345 based on Foata normal form. 0/5680 useless extension candidates. Maximal degree in co-relation 11961. Up to 1390 conditions per place. [2021-06-13 06:34:46,246 INFO L132 encePairwiseOnDemand]: 217/257 looper letters, 285 selfloop transitions, 69 changer transitions 17/488 dead transitions. [2021-06-13 06:34:46,246 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 324 places, 488 transitions, 2400 flow [2021-06-13 06:34:46,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-13 06:34:46,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2021-06-13 06:34:46,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 5523 transitions. [2021-06-13 06:34:46,252 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5241529847205086 [2021-06-13 06:34:46,252 INFO L72 ComplementDD]: Start complementDD. Operand 41 states and 5523 transitions. [2021-06-13 06:34:46,252 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 5523 transitions. [2021-06-13 06:34:46,253 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 06:34:46,253 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 41 states and 5523 transitions. [2021-06-13 06:34:46,258 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 42 states, 41 states have (on average 134.70731707317074) internal successors, (5523), 41 states have internal predecessors, (5523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:46,262 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 42 states, 42 states have (on average 257.0) internal successors, (10794), 42 states have internal predecessors, (10794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:46,263 INFO L81 ComplementDD]: Finished complementDD. Result has 42 states, 42 states have (on average 257.0) internal successors, (10794), 42 states have internal predecessors, (10794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:46,263 INFO L185 Difference]: Start difference. First operand has 284 places, 290 transitions, 1080 flow. Second operand 41 states and 5523 transitions. [2021-06-13 06:34:46,263 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 324 places, 488 transitions, 2400 flow [2021-06-13 06:34:46,270 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 488 transitions, 2304 flow, removed 19 selfloop flow, removed 18 redundant places. [2021-06-13 06:34:46,274 INFO L241 Difference]: Finished difference. Result has 315 places, 315 transitions, 1311 flow [2021-06-13 06:34:46,274 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=988, PETRI_DIFFERENCE_MINUEND_PLACES=266, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=41, PETRI_FLOW=1311, PETRI_PLACES=315, PETRI_TRANSITIONS=315} [2021-06-13 06:34:46,274 INFO L335 CegarLoopForPetriNet]: 235 programPoint places, 80 predicate places. [2021-06-13 06:34:46,274 INFO L482 AbstractCegarLoop]: Abstraction has has 315 places, 315 transitions, 1311 flow [2021-06-13 06:34:46,275 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 129.56756756756758) internal successors, (4794), 37 states have internal predecessors, (4794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:46,275 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 06:34:46,275 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 06:34:46,275 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-06-13 06:34:46,275 INFO L430 AbstractCegarLoop]: === Iteration 8 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 06:34:46,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 06:34:46,275 INFO L82 PathProgramCache]: Analyzing trace with hash -169953430, now seen corresponding path program 1 times [2021-06-13 06:34:46,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 06:34:46,275 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181680350] [2021-06-13 06:34:46,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 06:34:46,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 06:34:46,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:46,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 06:34:46,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:46,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-13 06:34:46,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:46,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-13 06:34:46,351 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-06-13 06:34:46,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-13 06:34:46,359 INFO L142 QuantifierPusher]: treesize reduction 13, result has 55.2 percent of original size [2021-06-13 06:34:46,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-13 06:34:46,367 INFO L142 QuantifierPusher]: treesize reduction 13, result has 62.9 percent of original size [2021-06-13 06:34:46,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-13 06:34:46,377 INFO L142 QuantifierPusher]: treesize reduction 13, result has 62.9 percent of original size [2021-06-13 06:34:46,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-13 06:34:46,388 INFO L142 QuantifierPusher]: treesize reduction 13, result has 73.5 percent of original size [2021-06-13 06:34:46,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-13 06:34:46,402 INFO L142 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size [2021-06-13 06:34:46,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-13 06:34:46,414 INFO L142 QuantifierPusher]: treesize reduction 13, result has 69.0 percent of original size [2021-06-13 06:34:46,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-13 06:34:46,429 INFO L142 QuantifierPusher]: treesize reduction 20, result has 68.8 percent of original size [2021-06-13 06:34:46,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-06-13 06:34:46,456 INFO L142 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size [2021-06-13 06:34:46,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-13 06:34:46,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:46,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-06-13 06:34:46,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:46,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-13 06:34:46,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:46,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-13 06:34:46,510 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-13 06:34:46,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-13 06:34:46,529 INFO L142 QuantifierPusher]: treesize reduction 20, result has 64.3 percent of original size [2021-06-13 06:34:46,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-13 06:34:46,559 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-13 06:34:46,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-13 06:34:46,560 INFO L142 QuantifierPusher]: treesize reduction 9, result has 79.1 percent of original size [2021-06-13 06:34:46,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-13 06:34:46,572 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-13 06:34:46,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-13 06:34:46,573 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-13 06:34:46,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-13 06:34:46,590 INFO L142 QuantifierPusher]: treesize reduction 33, result has 38.9 percent of original size [2021-06-13 06:34:46,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-13 06:34:46,608 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-06-13 06:34:46,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-13 06:34:46,624 INFO L142 QuantifierPusher]: treesize reduction 8, result has 65.2 percent of original size [2021-06-13 06:34:46,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-13 06:34:46,640 INFO L142 QuantifierPusher]: treesize reduction 12, result has 65.7 percent of original size [2021-06-13 06:34:46,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-13 06:34:46,664 INFO L142 QuantifierPusher]: treesize reduction 8, result has 69.2 percent of original size [2021-06-13 06:34:46,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-13 06:34:46,683 INFO L142 QuantifierPusher]: treesize reduction 8, result has 65.2 percent of original size [2021-06-13 06:34:46,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-13 06:34:46,684 INFO L142 QuantifierPusher]: treesize reduction 8, result has 65.2 percent of original size [2021-06-13 06:34:46,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-13 06:34:46,702 INFO L142 QuantifierPusher]: treesize reduction 16, result has 54.3 percent of original size [2021-06-13 06:34:46,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-13 06:34:46,721 INFO L142 QuantifierPusher]: treesize reduction 8, result has 57.9 percent of original size [2021-06-13 06:34:46,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-13 06:34:46,743 INFO L142 QuantifierPusher]: treesize reduction 20, result has 39.4 percent of original size [2021-06-13 06:34:46,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-13 06:34:46,762 INFO L142 QuantifierPusher]: treesize reduction 34, result has 37.0 percent of original size [2021-06-13 06:34:46,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-13 06:34:46,782 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-06-13 06:34:46,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-13 06:34:46,803 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-13 06:34:46,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-13 06:34:46,821 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-06-13 06:34:46,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-13 06:34:46,822 INFO L142 QuantifierPusher]: treesize reduction 9, result has 47.1 percent of original size [2021-06-13 06:34:46,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-13 06:34:46,838 INFO L142 QuantifierPusher]: treesize reduction 12, result has 7.7 percent of original size [2021-06-13 06:34:46,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 06:34:46,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:46,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 06:34:46,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 06:34:46,840 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 06:34:46,840 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181680350] [2021-06-13 06:34:46,840 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181680350] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 06:34:46,840 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 06:34:46,840 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-06-13 06:34:46,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517668984] [2021-06-13 06:34:46,841 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-13 06:34:46,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 06:34:46,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-13 06:34:46,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=760, Unknown=0, NotChecked=0, Total=870 [2021-06-13 06:34:46,843 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 257 [2021-06-13 06:34:46,845 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 315 places, 315 transitions, 1311 flow. Second operand has 30 states, 30 states have (on average 147.83333333333334) internal successors, (4435), 30 states have internal predecessors, (4435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:46,845 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 06:34:46,845 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 257 [2021-06-13 06:34:46,845 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 06:34:49,432 INFO L129 PetriNetUnfolder]: 1546/5646 cut-off events. [2021-06-13 06:34:49,432 INFO L130 PetriNetUnfolder]: For 3570/3580 co-relation queries the response was YES. [2021-06-13 06:34:49,455 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12307 conditions, 5646 events. 1546/5646 cut-off events. For 3570/3580 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 42958 event pairs, 164 based on Foata normal form. 9/5419 useless extension candidates. Maximal degree in co-relation 12191. Up to 1766 conditions per place. [2021-06-13 06:34:49,467 INFO L132 encePairwiseOnDemand]: 221/257 looper letters, 256 selfloop transitions, 66 changer transitions 0/458 dead transitions. [2021-06-13 06:34:49,467 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 343 places, 458 transitions, 2370 flow [2021-06-13 06:34:49,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-13 06:34:49,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-06-13 06:34:49,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 4467 transitions. [2021-06-13 06:34:49,478 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5993559640413256 [2021-06-13 06:34:49,478 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 4467 transitions. [2021-06-13 06:34:49,479 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 4467 transitions. [2021-06-13 06:34:49,479 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 06:34:49,480 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 4467 transitions. [2021-06-13 06:34:49,483 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 154.0344827586207) internal successors, (4467), 29 states have internal predecessors, (4467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:49,487 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 257.0) internal successors, (7710), 30 states have internal predecessors, (7710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:49,488 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 257.0) internal successors, (7710), 30 states have internal predecessors, (7710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:49,488 INFO L185 Difference]: Start difference. First operand has 315 places, 315 transitions, 1311 flow. Second operand 29 states and 4467 transitions. [2021-06-13 06:34:49,488 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 343 places, 458 transitions, 2370 flow [2021-06-13 06:34:49,503 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 320 places, 458 transitions, 2296 flow, removed 3 selfloop flow, removed 23 redundant places. [2021-06-13 06:34:49,507 INFO L241 Difference]: Finished difference. Result has 324 places, 322 transitions, 1484 flow [2021-06-13 06:34:49,507 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=1239, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=59, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=249, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=1484, PETRI_PLACES=324, PETRI_TRANSITIONS=322} [2021-06-13 06:34:49,507 INFO L335 CegarLoopForPetriNet]: 235 programPoint places, 89 predicate places. [2021-06-13 06:34:49,507 INFO L482 AbstractCegarLoop]: Abstraction has has 324 places, 322 transitions, 1484 flow [2021-06-13 06:34:49,508 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 147.83333333333334) internal successors, (4435), 30 states have internal predecessors, (4435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:49,508 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 06:34:49,508 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 06:34:49,508 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-06-13 06:34:49,508 INFO L430 AbstractCegarLoop]: === Iteration 9 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 06:34:49,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 06:34:49,508 INFO L82 PathProgramCache]: Analyzing trace with hash 897794100, now seen corresponding path program 2 times [2021-06-13 06:34:49,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 06:34:49,509 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184912805] [2021-06-13 06:34:49,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 06:34:49,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 06:34:49,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:49,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 06:34:49,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:49,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-13 06:34:49,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:49,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-13 06:34:49,595 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-06-13 06:34:49,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-13 06:34:49,614 INFO L142 QuantifierPusher]: treesize reduction 5, result has 76.2 percent of original size [2021-06-13 06:34:49,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-13 06:34:49,621 INFO L142 QuantifierPusher]: treesize reduction 5, result has 81.5 percent of original size [2021-06-13 06:34:49,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-13 06:34:49,630 INFO L142 QuantifierPusher]: treesize reduction 5, result has 81.5 percent of original size [2021-06-13 06:34:49,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-13 06:34:49,640 INFO L142 QuantifierPusher]: treesize reduction 5, result has 87.8 percent of original size [2021-06-13 06:34:49,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-13 06:34:49,654 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.1 percent of original size [2021-06-13 06:34:49,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-13 06:34:49,665 INFO L142 QuantifierPusher]: treesize reduction 16, result has 64.4 percent of original size [2021-06-13 06:34:49,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-13 06:34:49,679 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.6 percent of original size [2021-06-13 06:34:49,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-13 06:34:49,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:49,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-13 06:34:49,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:49,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-13 06:34:49,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:49,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-13 06:34:49,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:49,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-13 06:34:49,740 INFO L142 QuantifierPusher]: treesize reduction 7, result has 79.4 percent of original size [2021-06-13 06:34:49,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-13 06:34:49,755 INFO L142 QuantifierPusher]: treesize reduction 34, result has 51.4 percent of original size [2021-06-13 06:34:49,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-13 06:34:49,779 INFO L142 QuantifierPusher]: treesize reduction 7, result has 79.4 percent of original size [2021-06-13 06:34:49,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-13 06:34:49,780 INFO L142 QuantifierPusher]: treesize reduction 7, result has 82.9 percent of original size [2021-06-13 06:34:49,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-13 06:34:49,791 INFO L142 QuantifierPusher]: treesize reduction 7, result has 79.4 percent of original size [2021-06-13 06:34:49,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-13 06:34:49,792 INFO L142 QuantifierPusher]: treesize reduction 7, result has 75.0 percent of original size [2021-06-13 06:34:49,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-13 06:34:49,807 INFO L142 QuantifierPusher]: treesize reduction 36, result has 36.8 percent of original size [2021-06-13 06:34:49,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-13 06:34:49,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:49,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-13 06:34:49,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:49,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-13 06:34:49,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:49,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-13 06:34:49,882 INFO L142 QuantifierPusher]: treesize reduction 10, result has 75.6 percent of original size [2021-06-13 06:34:49,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-13 06:34:49,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:49,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-13 06:34:49,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:49,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-13 06:34:49,931 INFO L142 QuantifierPusher]: treesize reduction 18, result has 63.3 percent of original size [2021-06-13 06:34:49,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-13 06:34:49,953 INFO L142 QuantifierPusher]: treesize reduction 21, result has 54.3 percent of original size [2021-06-13 06:34:49,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-13 06:34:49,971 INFO L142 QuantifierPusher]: treesize reduction 21, result has 46.2 percent of original size [2021-06-13 06:34:49,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-13 06:34:49,993 INFO L142 QuantifierPusher]: treesize reduction 12, result has 67.6 percent of original size [2021-06-13 06:34:49,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-13 06:34:50,008 INFO L142 QuantifierPusher]: treesize reduction 12, result has 68.4 percent of original size [2021-06-13 06:34:50,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-13 06:34:50,028 INFO L142 QuantifierPusher]: treesize reduction 12, result has 53.8 percent of original size [2021-06-13 06:34:50,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-13 06:34:50,046 INFO L142 QuantifierPusher]: treesize reduction 12, result has 40.0 percent of original size [2021-06-13 06:34:50,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-13 06:34:50,063 INFO L142 QuantifierPusher]: treesize reduction 15, result has 6.3 percent of original size [2021-06-13 06:34:50,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 06:34:50,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 06:34:50,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 06:34:50,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 06:34:50,064 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 06:34:50,064 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184912805] [2021-06-13 06:34:50,064 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184912805] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 06:34:50,064 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 06:34:50,064 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-06-13 06:34:50,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990664373] [2021-06-13 06:34:50,065 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-13 06:34:50,065 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 06:34:50,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-13 06:34:50,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=655, Unknown=0, NotChecked=0, Total=756 [2021-06-13 06:34:50,067 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 257 [2021-06-13 06:34:50,068 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 324 places, 322 transitions, 1484 flow. Second operand has 28 states, 28 states have (on average 150.0) internal successors, (4200), 28 states have internal predecessors, (4200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:50,069 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 06:34:50,069 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 257 [2021-06-13 06:34:50,069 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 06:34:52,240 INFO L129 PetriNetUnfolder]: 812/3121 cut-off events. [2021-06-13 06:34:52,240 INFO L130 PetriNetUnfolder]: For 2511/2513 co-relation queries the response was YES. [2021-06-13 06:34:52,259 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7153 conditions, 3121 events. 812/3121 cut-off events. For 2511/2513 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 21501 event pairs, 116 based on Foata normal form. 8/2993 useless extension candidates. Maximal degree in co-relation 7103. Up to 893 conditions per place. [2021-06-13 06:34:52,265 INFO L132 encePairwiseOnDemand]: 226/257 looper letters, 176 selfloop transitions, 57 changer transitions 0/369 dead transitions. [2021-06-13 06:34:52,265 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 345 places, 369 transitions, 1952 flow [2021-06-13 06:34:52,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-13 06:34:52,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-06-13 06:34:52,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 4299 transitions. [2021-06-13 06:34:52,268 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5974152306837132 [2021-06-13 06:34:52,268 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 4299 transitions. [2021-06-13 06:34:52,268 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 4299 transitions. [2021-06-13 06:34:52,269 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 06:34:52,269 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 4299 transitions. [2021-06-13 06:34:52,273 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 153.53571428571428) internal successors, (4299), 28 states have internal predecessors, (4299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:52,276 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 257.0) internal successors, (7453), 29 states have internal predecessors, (7453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:52,276 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 257.0) internal successors, (7453), 29 states have internal predecessors, (7453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:52,276 INFO L185 Difference]: Start difference. First operand has 324 places, 322 transitions, 1484 flow. Second operand 28 states and 4299 transitions. [2021-06-13 06:34:52,276 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 345 places, 369 transitions, 1952 flow [2021-06-13 06:34:52,287 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 369 transitions, 1804 flow, removed 30 selfloop flow, removed 28 redundant places. [2021-06-13 06:34:52,290 INFO L241 Difference]: Finished difference. Result has 319 places, 304 transitions, 1305 flow [2021-06-13 06:34:52,290 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=1134, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=301, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=1305, PETRI_PLACES=319, PETRI_TRANSITIONS=304} [2021-06-13 06:34:52,290 INFO L335 CegarLoopForPetriNet]: 235 programPoint places, 84 predicate places. [2021-06-13 06:34:52,290 INFO L482 AbstractCegarLoop]: Abstraction has has 319 places, 304 transitions, 1305 flow [2021-06-13 06:34:52,291 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 150.0) internal successors, (4200), 28 states have internal predecessors, (4200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 06:34:52,291 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 06:34:52,291 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 06:34:52,291 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-06-13 06:34:52,291 INFO L430 AbstractCegarLoop]: === Iteration 10 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 06:34:52,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 06:34:52,291 INFO L82 PathProgramCache]: Analyzing trace with hash -1237177313, now seen corresponding path program 1 times [2021-06-13 06:34:52,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 06:34:52,292 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837263877] [2021-06-13 06:34:52,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 06:34:52,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2021-06-13 06:46:48,237 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-06-13 06:46:48,245 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-06-13 06:46:48,259 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-06-13 06:46:48,260 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-06-13 06:46:48,261 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-06-13 06:46:48,275 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-06-13 06:46:48,276 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-06-13 06:46:48,277 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-06-13 06:46:48,277 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-06-13 06:46:48,278 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-06-13 06:46:48,278 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-06-13 06:46:48,279 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-06-13 06:46:48,279 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-06-13 06:46:48,280 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-06-13 06:46:48,280 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-06-13 06:46:48,281 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-06-13 06:46:48,282 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-06-13 06:46:48,282 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-06-13 06:46:48,283 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-06-13 06:46:48,283 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-06-13 06:46:48,284 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-06-13 06:46:48,284 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-06-13 06:46:48,285 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-06-13 06:46:48,285 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-06-13 06:46:48,285 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-06-13 06:46:48,285 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-06-13 06:46:48,286 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-06-13 06:46:48,286 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-06-13 06:46:48,286 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-06-13 06:46:48,286 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-06-13 06:46:48,287 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-06-13 06:46:48,296 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-06-13 06:46:48,297 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-06-13 06:46:48,297 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-06-13 06:46:48,297 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-06-13 06:46:48,314 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-06-13 06:46:48,314 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-06-13 06:46:48,315 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-06-13 06:46:48,315 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-06-13 06:46:48,315 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-06-13 06:46:48,315 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-06-13 06:46:48,315 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-06-13 06:46:48,315 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-06-13 06:46:48,315 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-06-13 06:46:48,316 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-06-13 06:46:48,316 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-06-13 06:46:48,316 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-06-13 06:46:48,316 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-06-13 06:46:48,316 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-06-13 06:46:48,320 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-06-13 06:46:48,321 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-13 06:46:48,321 INFO L301 ceAbstractionStarter]: Result for error location t2Thread1of1ForFork1 was TIMEOUT (3/5) [2021-06-13 06:46:48,321 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-13 06:46:48,322 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-13 06:46:48,322 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-13 06:46:48,322 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-13 06:46:48,322 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-13 06:46:48,322 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-13 06:46:48,322 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-13 06:46:48,322 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-13 06:46:48,322 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == t1======== [2021-06-13 06:46:48,323 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 247 places, 257 transitions, 536 flow [2021-06-13 06:46:48,324 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-13 06:46:48,324 INFO L301 ceAbstractionStarter]: Result for error location t1 was TIMEOUT (4/5) [2021-06-13 06:46:48,325 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-13 06:46:48,326 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-13 06:46:48,326 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-13 06:46:48,326 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-13 06:46:48,326 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-13 06:46:48,326 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-13 06:46:48,326 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-13 06:46:48,326 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-13 06:46:48,326 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == t2======== [2021-06-13 06:46:48,327 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 247 places, 257 transitions, 536 flow [2021-06-13 06:46:48,327 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-13 06:46:48,327 INFO L301 ceAbstractionStarter]: Result for error location t2 was TIMEOUT (5/5) [2021-06-13 06:46:48,327 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-13 06:46:48,330 WARN L196 ceAbstractionStarter]: Timeout [2021-06-13 06:46:48,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.06 06:46:48 BasicIcfg [2021-06-13 06:46:48,330 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-13 06:46:48,330 INFO L168 Benchmark]: Toolchain (without parser) took 759860.10 ms. Allocated memory was 202.4 MB in the beginning and 3.5 GB in the end (delta: 3.3 GB). Free memory was 164.9 MB in the beginning and 387.2 MB in the end (delta: -222.4 MB). Peak memory consumption was 3.0 GB. Max. memory is 8.0 GB. [2021-06-13 06:46:48,330 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 202.4 MB. Free memory is still 183.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-13 06:46:48,331 INFO L168 Benchmark]: CACSL2BoogieTranslator took 542.50 ms. Allocated memory is still 202.4 MB. Free memory was 164.7 MB in the beginning and 136.7 MB in the end (delta: 28.0 MB). Peak memory consumption was 28.8 MB. Max. memory is 8.0 GB. [2021-06-13 06:46:48,331 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.67 ms. Allocated memory is still 202.4 MB. Free memory was 136.7 MB in the beginning and 133.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-06-13 06:46:48,331 INFO L168 Benchmark]: Boogie Preprocessor took 21.77 ms. Allocated memory is still 202.4 MB. Free memory was 133.6 MB in the beginning and 131.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-13 06:46:48,331 INFO L168 Benchmark]: RCFGBuilder took 476.08 ms. Allocated memory is still 202.4 MB. Free memory was 131.5 MB in the beginning and 140.1 MB in the end (delta: -8.5 MB). Peak memory consumption was 6.7 MB. Max. memory is 8.0 GB. [2021-06-13 06:46:48,331 INFO L168 Benchmark]: TraceAbstraction took 758781.12 ms. Allocated memory was 202.4 MB in the beginning and 3.5 GB in the end (delta: 3.3 GB). Free memory was 140.1 MB in the beginning and 387.2 MB in the end (delta: -247.2 MB). Peak memory consumption was 3.0 GB. Max. memory is 8.0 GB. [2021-06-13 06:46:48,331 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 202.4 MB. Free memory is still 183.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 542.50 ms. Allocated memory is still 202.4 MB. Free memory was 164.7 MB in the beginning and 136.7 MB in the end (delta: 28.0 MB). Peak memory consumption was 28.8 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 34.67 ms. Allocated memory is still 202.4 MB. Free memory was 136.7 MB in the beginning and 133.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 21.77 ms. Allocated memory is still 202.4 MB. Free memory was 133.6 MB in the beginning and 131.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 476.08 ms. Allocated memory is still 202.4 MB. Free memory was 131.5 MB in the beginning and 140.1 MB in the end (delta: -8.5 MB). Peak memory consumption was 6.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 758781.12 ms. Allocated memory was 202.4 MB in the beginning and 3.5 GB in the end (delta: 3.3 GB). Free memory was 140.1 MB in the beginning and 387.2 MB in the end (delta: -247.2 MB). Peak memory consumption was 3.0 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1032]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was constructing initial abstraction,while CegarLoopForPetriNet was removing dead transitions from Petri net that has has 247 places, 257 transitions, 536 flow,while PetriNetUnfolder was constructing finite prefix that currently has 4 conditions, 2 events (0/1 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/2 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.). - PositiveResult [Line: 1059]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - TimeoutResultAtElement [Line: 1043]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was analyzing trace of length 185 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 183 interpolants. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t1Thread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 402 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 34.0ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 25383.0ms, OverallIterations: 11, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 21457.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 118.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 508 SDtfs, 5385 SDslu, 2977 SDs, 0 SdLazy, 8953 SolverSat, 701 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3806.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 333 GetRequests, 36 SyntacticMatches, 7 SemanticMatches, 290 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2354 ImplicationChecksByTransitivity, 9061.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=2206occurred in iteration=9, InterpolantAutomatonStates: 171, 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: 40.8ms SsaConstructionTime, 235.8ms SatisfiabilityAnalysisTime, 3328.8ms InterpolantComputationTime, 1166 NumberOfCodeBlocks, 1166 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1155 ConstructedInterpolants, 0 QuantifiedInterpolants, 11123 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 402 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 1.4ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 52.1ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 6.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 21.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 0 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=106occurred in iteration=0, InterpolantAutomatonStates: 2, 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: 0.8ms SsaConstructionTime, 10.6ms SatisfiabilityAnalysisTime, 7.1ms InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 47 ConstructedInterpolants, 0 QuantifiedInterpolants, 47 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t2Thread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 402 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 7.7ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 733179.2ms, OverallIterations: 10, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 13891.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 16.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 445 SDtfs, 5863 SDslu, 3096 SDs, 0 SdLazy, 7107 SolverSat, 1021 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2827.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 374 GetRequests, 48 SyntacticMatches, 15 SemanticMatches, 311 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3436 ImplicationChecksByTransitivity, 9798.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1484occurred in iteration=8, InterpolantAutomatonStates: 182, 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: 18.5ms SsaConstructionTime, 86.4ms SatisfiabilityAnalysisTime, 3087.0ms InterpolantComputationTime, 1412 NumberOfCodeBlocks, 1412 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1403 ConstructedInterpolants, 0 QuantifiedInterpolants, 14490 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t1 with 1 thread instances CFG has 5 procedures, 402 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 2.2ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t2 with 1 thread instances CFG has 5 procedures, 402 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 2.4ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown