/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedVariableLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-25 06:06:16,416 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 06:06:16,418 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 06:06:16,455 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-25 06:06:16,455 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-25 06:06:16,458 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-25 06:06:16,461 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-25 06:06:16,466 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-25 06:06:16,468 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-25 06:06:16,472 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-25 06:06:16,473 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-25 06:06:16,474 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-25 06:06:16,475 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-25 06:06:16,476 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-25 06:06:16,478 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-25 06:06:16,479 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-25 06:06:16,481 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-25 06:06:16,482 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-25 06:06:16,484 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-25 06:06:16,491 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-25 06:06:16,492 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-25 06:06:16,493 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-25 06:06:16,494 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-25 06:06:16,496 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-25 06:06:16,502 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-25 06:06:16,502 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-25 06:06:16,502 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-25 06:06:16,503 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-25 06:06:16,504 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-25 06:06:16,504 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-25 06:06:16,505 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-25 06:06:16,506 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-25 06:06:16,507 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-25 06:06:16,507 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-25 06:06:16,508 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-25 06:06:16,508 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-25 06:06:16,509 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-25 06:06:16,509 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-25 06:06:16,509 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 06:06:16,510 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 06:06:16,510 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 06:06:16,514 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-RepeatedVariableLbe.epf [2021-03-25 06:06:16,549 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 06:06:16,550 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 06:06:16,553 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 06:06:16,553 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 06:06:16,554 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 06:06:16,554 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 06:06:16,554 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 06:06:16,554 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 06:06:16,554 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 06:06:16,554 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 06:06:16,555 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 06:06:16,555 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 06:06:16,555 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 06:06:16,556 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 06:06:16,556 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 06:06:16,556 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 06:06:16,556 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 06:06:16,556 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 06:06:16,556 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 06:06:16,557 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 06:06:16,557 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 06:06:16,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 06:06:16,557 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 06:06:16,557 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 06:06:16,557 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 06:06:16,557 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 06:06:16,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 06:06:16,558 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2021-03-25 06:06:16,558 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 06:06:16,558 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 06:06:16,558 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 06:06:16,880 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 06:06:16,910 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 06:06:16,912 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 06:06:16,913 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-25 06:06:16,914 INFO L275 PluginConnector]: CDTParser initialized [2021-03-25 06:06:16,915 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-2.i [2021-03-25 06:06:16,975 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7fbe702f/d866e8d48af44e30b976c664f34ac0e1/FLAGc832c77c2 [2021-03-25 06:06:17,509 INFO L306 CDTParser]: Found 1 translation units. [2021-03-25 06:06:17,509 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-2.i [2021-03-25 06:06:17,519 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7fbe702f/d866e8d48af44e30b976c664f34ac0e1/FLAGc832c77c2 [2021-03-25 06:06:17,806 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7fbe702f/d866e8d48af44e30b976c664f34ac0e1 [2021-03-25 06:06:17,808 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 06:06:17,809 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-25 06:06:17,810 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-25 06:06:17,810 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-25 06:06:17,822 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-25 06:06:17,823 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 06:06:17" (1/1) ... [2021-03-25 06:06:17,824 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f60935d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 06:06:17, skipping insertion in model container [2021-03-25 06:06:17,824 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 06:06:17" (1/1) ... [2021-03-25 06:06:17,830 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-25 06:06:17,864 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-25 06:06:18,121 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-2.i[30035,30048] [2021-03-25 06:06:18,134 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 06:06:18,142 INFO L203 MainTranslator]: Completed pre-run [2021-03-25 06:06:18,183 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-2.i[30035,30048] [2021-03-25 06:06:18,189 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 06:06:18,257 INFO L208 MainTranslator]: Completed translation [2021-03-25 06:06:18,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 06:06:18 WrapperNode [2021-03-25 06:06:18,259 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-25 06:06:18,260 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 06:06:18,260 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 06:06:18,260 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 06:06:18,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 06:06:18" (1/1) ... [2021-03-25 06:06:18,295 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 06:06:18" (1/1) ... [2021-03-25 06:06:18,316 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 06:06:18,317 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 06:06:18,317 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 06:06:18,317 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 06:06:18,323 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 06:06:18" (1/1) ... [2021-03-25 06:06:18,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 06:06:18" (1/1) ... [2021-03-25 06:06:18,329 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 06:06:18" (1/1) ... [2021-03-25 06:06:18,330 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 06:06:18" (1/1) ... [2021-03-25 06:06:18,344 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 06:06:18" (1/1) ... [2021-03-25 06:06:18,347 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 06:06:18" (1/1) ... [2021-03-25 06:06:18,352 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 06:06:18" (1/1) ... [2021-03-25 06:06:18,354 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 06:06:18,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 06:06:18,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 06:06:18,355 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 06:06:18,355 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 06:06:18" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 06:06:18,427 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2021-03-25 06:06:18,428 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2021-03-25 06:06:18,428 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-03-25 06:06:18,428 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-03-25 06:06:18,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-25 06:06:18,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-25 06:06:18,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-25 06:06:18,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-25 06:06:18,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 06:06:18,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 06:06:18,431 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-25 06:06:18,800 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 06:06:18,800 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-03-25 06:06:18,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 06:06:18 BoogieIcfgContainer [2021-03-25 06:06:18,801 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 06:06:18,802 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 06:06:18,803 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 06:06:18,805 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 06:06:18,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.03 06:06:17" (1/3) ... [2021-03-25 06:06:18,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d44b4ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 06:06:18, skipping insertion in model container [2021-03-25 06:06:18,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 06:06:18" (2/3) ... [2021-03-25 06:06:18,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d44b4ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 06:06:18, skipping insertion in model container [2021-03-25 06:06:18,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 06:06:18" (3/3) ... [2021-03-25 06:06:18,807 INFO L111 eAbstractionObserver]: Analyzing ICFG nondet-loop-bound-2.i [2021-03-25 06:06:18,811 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 06:06:18,815 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-25 06:06:18,815 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 06:06:18,837 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:18,837 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:18,837 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:18,837 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:18,838 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:18,838 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:18,838 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:18,838 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:18,838 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:18,838 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:18,838 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:18,839 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:18,839 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:18,839 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:18,840 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:18,840 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:18,840 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:18,840 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:18,840 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:18,840 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:18,840 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:18,840 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:18,841 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:18,841 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:18,841 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:18,841 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:18,841 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:18,841 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:18,841 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:18,842 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:18,842 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:18,842 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:18,842 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:18,842 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:18,844 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:18,844 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:18,844 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:18,845 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:18,845 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:18,849 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:18,849 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:18,849 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:18,849 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:18,849 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:18,850 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:18,851 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-25 06:06:18,867 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-03-25 06:06:18,883 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 06:06:18,883 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 06:06:18,883 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 06:06:18,883 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 06:06:18,883 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 06:06:18,884 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 06:06:18,884 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 06:06:18,884 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 06:06:18,892 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 63 transitions, 136 flow [2021-03-25 06:06:18,920 INFO L129 PetriNetUnfolder]: 4/73 cut-off events. [2021-03-25 06:06:18,920 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 06:06:18,923 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 73 events. 4/73 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 90 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 53. Up to 4 conditions per place. [2021-03-25 06:06:18,923 INFO L82 GeneralOperation]: Start removeDead. Operand has 66 places, 63 transitions, 136 flow [2021-03-25 06:06:18,927 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 65 places, 62 transitions, 132 flow [2021-03-25 06:06:18,928 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 06:06:18,935 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 62 transitions, 132 flow [2021-03-25 06:06:18,937 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 62 transitions, 132 flow [2021-03-25 06:06:18,938 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 62 transitions, 132 flow [2021-03-25 06:06:18,952 INFO L129 PetriNetUnfolder]: 4/73 cut-off events. [2021-03-25 06:06:18,952 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 06:06:18,953 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 73 events. 4/73 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 89 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 53. Up to 4 conditions per place. [2021-03-25 06:06:18,955 INFO L142 LiptonReduction]: Number of co-enabled transitions 640 [2021-03-25 06:06:20,338 INFO L154 LiptonReduction]: Checked pairs total: 448 [2021-03-25 06:06:20,338 INFO L156 LiptonReduction]: Total number of compositions: 49 [2021-03-25 06:06:20,340 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1413 [2021-03-25 06:06:20,347 INFO L129 PetriNetUnfolder]: 0/11 cut-off events. [2021-03-25 06:06:20,347 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 06:06:20,347 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 06:06:20,348 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 06:06:20,348 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-25 06:06:20,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 06:06:20,352 INFO L82 PathProgramCache]: Analyzing trace with hash -627378952, now seen corresponding path program 1 times [2021-03-25 06:06:20,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 06:06:20,359 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481787585] [2021-03-25 06:06:20,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 06:06:20,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 06:06:20,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:20,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 06:06:20,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:20,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:20,530 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-25 06:06:20,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 06:06:20,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:20,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:20,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:20,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 06:06:20,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 06:06:20,562 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481787585] [2021-03-25 06:06:20,562 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 06:06:20,562 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 06:06:20,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382329534] [2021-03-25 06:06:20,569 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 06:06:20,570 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 06:06:20,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 06:06:20,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-25 06:06:20,583 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 112 [2021-03-25 06:06:20,585 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 19 transitions, 46 flow. Second operand has 6 states, 6 states have (on average 67.16666666666667) internal successors, (403), 6 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:20,585 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 06:06:20,586 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 112 [2021-03-25 06:06:20,586 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 06:06:20,673 INFO L129 PetriNetUnfolder]: 20/74 cut-off events. [2021-03-25 06:06:20,674 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 06:06:20,674 INFO L84 FinitePrefix]: Finished finitePrefix Result has 140 conditions, 74 events. 20/74 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 302 event pairs, 0 based on Foata normal form. 8/60 useless extension candidates. Maximal degree in co-relation 123. Up to 21 conditions per place. [2021-03-25 06:06:20,676 INFO L132 encePairwiseOnDemand]: 105/112 looper letters, 11 selfloop transitions, 7 changer transitions 2/28 dead transitions. [2021-03-25 06:06:20,676 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 28 transitions, 104 flow [2021-03-25 06:06:20,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 06:06:20,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 06:06:20,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 484 transitions. [2021-03-25 06:06:20,688 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6173469387755102 [2021-03-25 06:06:20,689 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 484 transitions. [2021-03-25 06:06:20,689 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 484 transitions. [2021-03-25 06:06:20,691 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 06:06:20,693 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 484 transitions. [2021-03-25 06:06:20,699 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 69.14285714285714) internal successors, (484), 7 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:20,705 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 112.0) internal successors, (896), 8 states have internal predecessors, (896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:20,705 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 112.0) internal successors, (896), 8 states have internal predecessors, (896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:20,707 INFO L185 Difference]: Start difference. First operand has 25 places, 19 transitions, 46 flow. Second operand 7 states and 484 transitions. [2021-03-25 06:06:20,708 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 28 transitions, 104 flow [2021-03-25 06:06:20,709 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 28 transitions, 103 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 06:06:20,711 INFO L241 Difference]: Finished difference. Result has 33 places, 22 transitions, 81 flow [2021-03-25 06:06:20,712 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=45, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=81, PETRI_PLACES=33, PETRI_TRANSITIONS=22} [2021-03-25 06:06:20,713 INFO L343 CegarLoopForPetriNet]: 25 programPoint places, 8 predicate places. [2021-03-25 06:06:20,713 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 06:06:20,713 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 22 transitions, 81 flow [2021-03-25 06:06:20,714 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 22 transitions, 81 flow [2021-03-25 06:06:20,714 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 33 places, 22 transitions, 81 flow [2021-03-25 06:06:20,719 INFO L129 PetriNetUnfolder]: 0/28 cut-off events. [2021-03-25 06:06:20,719 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-25 06:06:20,719 INFO L84 FinitePrefix]: Finished finitePrefix Result has 56 conditions, 28 events. 0/28 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 53 event pairs, 0 based on Foata normal form. 0/23 useless extension candidates. Maximal degree in co-relation 0. Up to 6 conditions per place. [2021-03-25 06:06:20,719 INFO L142 LiptonReduction]: Number of co-enabled transitions 110 [2021-03-25 06:06:21,151 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2021-03-25 06:06:21,368 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2021-03-25 06:06:21,551 INFO L154 LiptonReduction]: Checked pairs total: 40 [2021-03-25 06:06:21,551 INFO L156 LiptonReduction]: Total number of compositions: 8 [2021-03-25 06:06:21,551 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 838 [2021-03-25 06:06:21,552 INFO L480 AbstractCegarLoop]: Abstraction has has 26 places, 15 transitions, 61 flow [2021-03-25 06:06:21,552 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 67.16666666666667) internal successors, (403), 6 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:21,552 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 06:06:21,552 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 06:06:21,552 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-25 06:06:21,553 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-25 06:06:21,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 06:06:21,553 INFO L82 PathProgramCache]: Analyzing trace with hash 1426010307, now seen corresponding path program 1 times [2021-03-25 06:06:21,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 06:06:21,553 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696087648] [2021-03-25 06:06:21,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 06:06:21,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 06:06:21,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:21,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 06:06:21,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:21,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:21,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:21,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:21,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:21,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:21,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:21,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:21,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:21,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 06:06:21,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 06:06:21,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696087648] [2021-03-25 06:06:21,680 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 06:06:21,680 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 06:06:21,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513034976] [2021-03-25 06:06:21,681 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 06:06:21,681 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 06:06:21,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 06:06:21,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-25 06:06:21,685 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 119 [2021-03-25 06:06:21,686 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 15 transitions, 61 flow. Second operand has 7 states, 7 states have (on average 63.285714285714285) internal successors, (443), 7 states have internal predecessors, (443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:21,686 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 06:06:21,686 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 119 [2021-03-25 06:06:21,686 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 06:06:21,777 INFO L129 PetriNetUnfolder]: 14/46 cut-off events. [2021-03-25 06:06:21,778 INFO L130 PetriNetUnfolder]: For 50/52 co-relation queries the response was YES. [2021-03-25 06:06:21,778 INFO L84 FinitePrefix]: Finished finitePrefix Result has 133 conditions, 46 events. 14/46 cut-off events. For 50/52 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 118 event pairs, 0 based on Foata normal form. 6/47 useless extension candidates. Maximal degree in co-relation 116. Up to 15 conditions per place. [2021-03-25 06:06:21,779 INFO L132 encePairwiseOnDemand]: 110/119 looper letters, 9 selfloop transitions, 13 changer transitions 4/29 dead transitions. [2021-03-25 06:06:21,779 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 29 transitions, 146 flow [2021-03-25 06:06:21,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 06:06:21,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 06:06:21,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 587 transitions. [2021-03-25 06:06:21,783 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5480859010270775 [2021-03-25 06:06:21,783 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 587 transitions. [2021-03-25 06:06:21,783 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 587 transitions. [2021-03-25 06:06:21,784 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 06:06:21,784 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 587 transitions. [2021-03-25 06:06:21,785 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 65.22222222222223) internal successors, (587), 9 states have internal predecessors, (587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:21,788 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 119.0) internal successors, (1190), 10 states have internal predecessors, (1190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:21,788 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 119.0) internal successors, (1190), 10 states have internal predecessors, (1190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:21,788 INFO L185 Difference]: Start difference. First operand has 26 places, 15 transitions, 61 flow. Second operand 9 states and 587 transitions. [2021-03-25 06:06:21,788 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 29 transitions, 146 flow [2021-03-25 06:06:21,789 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 29 transitions, 135 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-25 06:06:21,790 INFO L241 Difference]: Finished difference. Result has 31 places, 19 transitions, 101 flow [2021-03-25 06:06:21,790 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=46, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=6, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=101, PETRI_PLACES=31, PETRI_TRANSITIONS=19} [2021-03-25 06:06:21,791 INFO L343 CegarLoopForPetriNet]: 25 programPoint places, 6 predicate places. [2021-03-25 06:06:21,791 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 06:06:21,791 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 31 places, 19 transitions, 101 flow [2021-03-25 06:06:21,793 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 31 places, 19 transitions, 101 flow [2021-03-25 06:06:21,793 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 30 places, 19 transitions, 101 flow [2021-03-25 06:06:21,797 INFO L129 PetriNetUnfolder]: 4/35 cut-off events. [2021-03-25 06:06:21,797 INFO L130 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2021-03-25 06:06:21,798 INFO L84 FinitePrefix]: Finished finitePrefix Result has 86 conditions, 35 events. 4/35 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 68 event pairs, 0 based on Foata normal form. 0/35 useless extension candidates. Maximal degree in co-relation 72. Up to 7 conditions per place. [2021-03-25 06:06:21,798 INFO L142 LiptonReduction]: Number of co-enabled transitions 32 [2021-03-25 06:06:22,114 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 111 [2021-03-25 06:06:22,241 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-03-25 06:06:22,481 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2021-03-25 06:06:22,612 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-03-25 06:06:22,634 INFO L154 LiptonReduction]: Checked pairs total: 10 [2021-03-25 06:06:22,634 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 06:06:22,634 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 843 [2021-03-25 06:06:22,635 INFO L480 AbstractCegarLoop]: Abstraction has has 28 places, 18 transitions, 97 flow [2021-03-25 06:06:22,635 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 63.285714285714285) internal successors, (443), 7 states have internal predecessors, (443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:22,635 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 06:06:22,635 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 06:06:22,635 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-25 06:06:22,636 INFO L428 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-25 06:06:22,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 06:06:22,636 INFO L82 PathProgramCache]: Analyzing trace with hash 787669915, now seen corresponding path program 1 times [2021-03-25 06:06:22,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 06:06:22,636 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505393555] [2021-03-25 06:06:22,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 06:06:22,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 06:06:22,657 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 06:06:22,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 06:06:22,671 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 06:06:22,688 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-25 06:06:22,688 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-25 06:06:22,688 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-25 06:06:22,689 WARN L342 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-03-25 06:06:22,689 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-03-25 06:06:22,697 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,698 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,698 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,698 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,698 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,698 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,698 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,698 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,698 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,698 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,699 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,699 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,699 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,699 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,699 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,699 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,699 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,699 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,700 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,700 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,700 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,700 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,700 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,700 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,700 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,700 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,700 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,701 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,701 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,701 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,701 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,701 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,701 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,701 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,701 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,701 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,702 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,702 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,702 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,702 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,702 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,702 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,702 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,702 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,702 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,703 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,703 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,703 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,703 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,703 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,703 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,703 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,703 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,704 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,704 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,704 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,704 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,704 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,704 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,704 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,704 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,704 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,704 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,704 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,705 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,705 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,705 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,705 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,705 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,706 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,706 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,706 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,706 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,708 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,708 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,708 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,708 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,708 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,709 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,709 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,710 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,710 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,710 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,710 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,711 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,711 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,711 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,711 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,711 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,711 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:22,713 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-25 06:06:22,713 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-03-25 06:06:22,714 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 06:06:22,714 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 06:06:22,715 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 06:06:22,715 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 06:06:22,715 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 06:06:22,715 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 06:06:22,715 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 06:06:22,715 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 06:06:22,717 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 86 places, 80 transitions, 184 flow [2021-03-25 06:06:22,725 INFO L129 PetriNetUnfolder]: 5/94 cut-off events. [2021-03-25 06:06:22,726 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-25 06:06:22,726 INFO L84 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 94 events. 5/94 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 132 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 103. Up to 6 conditions per place. [2021-03-25 06:06:22,726 INFO L82 GeneralOperation]: Start removeDead. Operand has 86 places, 80 transitions, 184 flow [2021-03-25 06:06:22,727 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 73 places, 68 transitions, 151 flow [2021-03-25 06:06:22,727 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 06:06:22,727 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 68 transitions, 151 flow [2021-03-25 06:06:22,728 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 68 transitions, 151 flow [2021-03-25 06:06:22,728 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 68 transitions, 151 flow [2021-03-25 06:06:22,736 INFO L129 PetriNetUnfolder]: 5/94 cut-off events. [2021-03-25 06:06:22,736 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-25 06:06:22,737 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 94 events. 5/94 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 130 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 76. Up to 6 conditions per place. [2021-03-25 06:06:22,738 INFO L142 LiptonReduction]: Number of co-enabled transitions 980 [2021-03-25 06:06:23,611 INFO L154 LiptonReduction]: Checked pairs total: 720 [2021-03-25 06:06:23,612 INFO L156 LiptonReduction]: Total number of compositions: 46 [2021-03-25 06:06:23,612 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 885 [2021-03-25 06:06:23,614 INFO L129 PetriNetUnfolder]: 0/10 cut-off events. [2021-03-25 06:06:23,614 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 06:06:23,614 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 06:06:23,615 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 06:06:23,615 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 06:06:23,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 06:06:23,615 INFO L82 PathProgramCache]: Analyzing trace with hash -808309528, now seen corresponding path program 1 times [2021-03-25 06:06:23,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 06:06:23,615 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525815494] [2021-03-25 06:06:23,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 06:06:23,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 06:06:23,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:23,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 06:06:23,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:23,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:23,669 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-25 06:06:23,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 06:06:23,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:23,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:23,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:23,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 06:06:23,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 06:06:23,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525815494] [2021-03-25 06:06:23,695 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 06:06:23,695 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 06:06:23,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949264721] [2021-03-25 06:06:23,695 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 06:06:23,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 06:06:23,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 06:06:23,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-25 06:06:23,697 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 126 [2021-03-25 06:06:23,698 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 29 transitions, 73 flow. Second operand has 6 states, 6 states have (on average 75.16666666666667) internal successors, (451), 6 states have internal predecessors, (451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:23,698 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 06:06:23,698 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 126 [2021-03-25 06:06:23,698 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 06:06:23,821 INFO L129 PetriNetUnfolder]: 202/431 cut-off events. [2021-03-25 06:06:23,822 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-03-25 06:06:23,823 INFO L84 FinitePrefix]: Finished finitePrefix Result has 821 conditions, 431 events. 202/431 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 2460 event pairs, 42 based on Foata normal form. 35/336 useless extension candidates. Maximal degree in co-relation 802. Up to 162 conditions per place. [2021-03-25 06:06:23,825 INFO L132 encePairwiseOnDemand]: 117/126 looper letters, 23 selfloop transitions, 9 changer transitions 2/47 dead transitions. [2021-03-25 06:06:23,825 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 47 transitions, 177 flow [2021-03-25 06:06:23,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 06:06:23,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 06:06:23,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 557 transitions. [2021-03-25 06:06:23,830 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6315192743764172 [2021-03-25 06:06:23,830 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 557 transitions. [2021-03-25 06:06:23,831 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 557 transitions. [2021-03-25 06:06:23,831 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 06:06:23,831 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 557 transitions. [2021-03-25 06:06:23,833 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 79.57142857142857) internal successors, (557), 7 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:23,834 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 126.0) internal successors, (1008), 8 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:23,835 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 126.0) internal successors, (1008), 8 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:23,835 INFO L185 Difference]: Start difference. First operand has 36 places, 29 transitions, 73 flow. Second operand 7 states and 557 transitions. [2021-03-25 06:06:23,835 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 47 transitions, 177 flow [2021-03-25 06:06:23,836 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 47 transitions, 174 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-03-25 06:06:23,837 INFO L241 Difference]: Finished difference. Result has 43 places, 33 transitions, 123 flow [2021-03-25 06:06:23,837 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=123, PETRI_PLACES=43, PETRI_TRANSITIONS=33} [2021-03-25 06:06:23,837 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 7 predicate places. [2021-03-25 06:06:23,837 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 06:06:23,838 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 33 transitions, 123 flow [2021-03-25 06:06:23,838 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 33 transitions, 123 flow [2021-03-25 06:06:23,838 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 33 transitions, 123 flow [2021-03-25 06:06:23,843 INFO L129 PetriNetUnfolder]: 9/66 cut-off events. [2021-03-25 06:06:23,844 INFO L130 PetriNetUnfolder]: For 21/39 co-relation queries the response was YES. [2021-03-25 06:06:23,844 INFO L84 FinitePrefix]: Finished finitePrefix Result has 136 conditions, 66 events. 9/66 cut-off events. For 21/39 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 182 event pairs, 3 based on Foata normal form. 1/53 useless extension candidates. Maximal degree in co-relation 117. Up to 23 conditions per place. [2021-03-25 06:06:23,845 INFO L142 LiptonReduction]: Number of co-enabled transitions 324 [2021-03-25 06:06:24,330 INFO L154 LiptonReduction]: Checked pairs total: 252 [2021-03-25 06:06:24,330 INFO L156 LiptonReduction]: Total number of compositions: 6 [2021-03-25 06:06:24,330 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 493 [2021-03-25 06:06:24,331 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 28 transitions, 109 flow [2021-03-25 06:06:24,331 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 75.16666666666667) internal successors, (451), 6 states have internal predecessors, (451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:24,331 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 06:06:24,331 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 06:06:24,331 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-25 06:06:24,331 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 06:06:24,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 06:06:24,332 INFO L82 PathProgramCache]: Analyzing trace with hash -1682023093, now seen corresponding path program 1 times [2021-03-25 06:06:24,332 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 06:06:24,332 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676897603] [2021-03-25 06:06:24,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 06:06:24,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 06:06:24,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:24,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 06:06:24,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:24,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:24,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:24,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:24,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:24,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:24,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:24,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:24,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:24,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:24,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:24,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 06:06:24,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 06:06:24,394 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676897603] [2021-03-25 06:06:24,394 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 06:06:24,394 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 06:06:24,394 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663413004] [2021-03-25 06:06:24,394 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 06:06:24,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 06:06:24,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 06:06:24,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-03-25 06:06:24,396 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 131 [2021-03-25 06:06:24,396 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 28 transitions, 109 flow. Second operand has 8 states, 8 states have (on average 70.5) internal successors, (564), 8 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:24,396 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 06:06:24,396 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 131 [2021-03-25 06:06:24,397 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 06:06:24,701 INFO L129 PetriNetUnfolder]: 312/726 cut-off events. [2021-03-25 06:06:24,701 INFO L130 PetriNetUnfolder]: For 361/361 co-relation queries the response was YES. [2021-03-25 06:06:24,703 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1840 conditions, 726 events. 312/726 cut-off events. For 361/361 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 4360 event pairs, 54 based on Foata normal form. 24/643 useless extension candidates. Maximal degree in co-relation 1820. Up to 215 conditions per place. [2021-03-25 06:06:24,706 INFO L132 encePairwiseOnDemand]: 119/131 looper letters, 59 selfloop transitions, 34 changer transitions 7/107 dead transitions. [2021-03-25 06:06:24,707 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 107 transitions, 536 flow [2021-03-25 06:06:24,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-25 06:06:24,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-25 06:06:24,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 1482 transitions. [2021-03-25 06:06:24,711 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.565648854961832 [2021-03-25 06:06:24,711 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 1482 transitions. [2021-03-25 06:06:24,711 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 1482 transitions. [2021-03-25 06:06:24,712 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 06:06:24,712 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 1482 transitions. [2021-03-25 06:06:24,715 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 74.1) internal successors, (1482), 20 states have internal predecessors, (1482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:24,719 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 131.0) internal successors, (2751), 21 states have internal predecessors, (2751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:24,720 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 131.0) internal successors, (2751), 21 states have internal predecessors, (2751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:24,720 INFO L185 Difference]: Start difference. First operand has 39 places, 28 transitions, 109 flow. Second operand 20 states and 1482 transitions. [2021-03-25 06:06:24,720 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 107 transitions, 536 flow [2021-03-25 06:06:24,723 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 107 transitions, 517 flow, removed 3 selfloop flow, removed 4 redundant places. [2021-03-25 06:06:24,724 INFO L241 Difference]: Finished difference. Result has 64 places, 54 transitions, 332 flow [2021-03-25 06:06:24,725 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=332, PETRI_PLACES=64, PETRI_TRANSITIONS=54} [2021-03-25 06:06:24,725 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 28 predicate places. [2021-03-25 06:06:24,725 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 06:06:24,725 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 54 transitions, 332 flow [2021-03-25 06:06:24,725 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 54 transitions, 332 flow [2021-03-25 06:06:24,726 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 54 transitions, 332 flow [2021-03-25 06:06:24,736 INFO L129 PetriNetUnfolder]: 13/135 cut-off events. [2021-03-25 06:06:24,737 INFO L130 PetriNetUnfolder]: For 199/208 co-relation queries the response was YES. [2021-03-25 06:06:24,737 INFO L84 FinitePrefix]: Finished finitePrefix Result has 384 conditions, 135 events. 13/135 cut-off events. For 199/208 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 650 event pairs, 4 based on Foata normal form. 1/126 useless extension candidates. Maximal degree in co-relation 359. Up to 39 conditions per place. [2021-03-25 06:06:24,739 INFO L142 LiptonReduction]: Number of co-enabled transitions 464 [2021-03-25 06:06:25,301 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 111 [2021-03-25 06:06:25,635 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 114 [2021-03-25 06:06:25,745 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-03-25 06:06:25,792 INFO L154 LiptonReduction]: Checked pairs total: 430 [2021-03-25 06:06:25,792 INFO L156 LiptonReduction]: Total number of compositions: 10 [2021-03-25 06:06:25,792 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1067 [2021-03-25 06:06:25,792 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 52 transitions, 331 flow [2021-03-25 06:06:25,793 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 70.5) internal successors, (564), 8 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:25,793 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 06:06:25,793 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 06:06:25,793 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-25 06:06:25,793 INFO L428 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 06:06:25,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 06:06:25,794 INFO L82 PathProgramCache]: Analyzing trace with hash 681943789, now seen corresponding path program 1 times [2021-03-25 06:06:25,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 06:06:25,794 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806730842] [2021-03-25 06:06:25,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 06:06:25,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 06:06:25,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:25,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 06:06:25,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:25,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:25,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:25,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:25,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:25,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 06:06:25,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:25,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:25,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:25,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:25,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:25,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:25,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:25,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 06:06:25,877 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 06:06:25,877 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806730842] [2021-03-25 06:06:25,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1735287761] [2021-03-25 06:06:25,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 06:06:25,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 06:06:25,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-25 06:06:25,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 06:06:25,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:25,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 06:06:26,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 06:06:26,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 06:06:26,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 06:06:26,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 06:06:26,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 06:06:26,014 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-03-25 06:06:26,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 06:06:26,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 06:06:26,072 INFO L142 QuantifierPusher]: treesize reduction 13, result has 56.7 percent of original size [2021-03-25 06:06:26,073 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 06:06:26,073 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-25 06:06:26,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:26,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:26,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:26,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:26,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:26,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:26,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:26,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:26,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:26,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:26,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:26,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:26,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:26,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:26,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:26,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:26,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:26,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:26,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:26,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:26,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:26,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:26,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:26,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:26,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:26,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:26,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:26,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:26,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:26,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:26,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:26,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:26,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:26,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:26,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:26,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:26,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:26,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:26,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:26,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:26,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:26,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:26,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:26,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:26,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:26,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:26,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:26,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:26,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:26,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:26,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:26,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 06:06:26,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:26,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:26,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 06:06:26,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:26,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:26,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 06:06:26,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:26,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 06:06:26,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 06:06:26,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:26,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:26,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 06:06:26,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:26,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 06:06:26,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 06:06:26,212 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size [2021-03-25 06:06:26,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:26,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,220 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 06:06:26,224 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:26,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 06:06:26,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 06:06:26,231 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 06:06:26,236 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:26,241 INFO L142 QuantifierPusher]: treesize reduction 15, result has 42.3 percent of original size [2021-03-25 06:06:26,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:26,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:26,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:26,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:26,257 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-03-25 06:06:26,258 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-25 06:06:26,258 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 13 [2021-03-25 06:06:26,258 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970573386] [2021-03-25 06:06:26,258 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 06:06:26,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 06:06:26,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 06:06:26,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-03-25 06:06:26,260 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 141 [2021-03-25 06:06:26,261 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 52 transitions, 331 flow. Second operand has 7 states, 7 states have (on average 76.42857142857143) internal successors, (535), 7 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:26,261 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 06:06:26,261 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 141 [2021-03-25 06:06:26,261 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 06:06:26,587 INFO L129 PetriNetUnfolder]: 205/488 cut-off events. [2021-03-25 06:06:26,587 INFO L130 PetriNetUnfolder]: For 947/955 co-relation queries the response was YES. [2021-03-25 06:06:26,588 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1830 conditions, 488 events. 205/488 cut-off events. For 947/955 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 3475 event pairs, 13 based on Foata normal form. 22/450 useless extension candidates. Maximal degree in co-relation 1805. Up to 181 conditions per place. [2021-03-25 06:06:26,590 INFO L132 encePairwiseOnDemand]: 131/141 looper letters, 52 selfloop transitions, 37 changer transitions 6/108 dead transitions. [2021-03-25 06:06:26,591 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 108 transitions, 841 flow [2021-03-25 06:06:26,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 06:06:26,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 06:06:26,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1053 transitions. [2021-03-25 06:06:26,594 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.574468085106383 [2021-03-25 06:06:26,594 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1053 transitions. [2021-03-25 06:06:26,594 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1053 transitions. [2021-03-25 06:06:26,595 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 06:06:26,595 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1053 transitions. [2021-03-25 06:06:26,597 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 81.0) internal successors, (1053), 13 states have internal predecessors, (1053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:26,600 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 141.0) internal successors, (1974), 14 states have internal predecessors, (1974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:26,602 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 141.0) internal successors, (1974), 14 states have internal predecessors, (1974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:26,602 INFO L185 Difference]: Start difference. First operand has 61 places, 52 transitions, 331 flow. Second operand 13 states and 1053 transitions. [2021-03-25 06:06:26,602 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 108 transitions, 841 flow [2021-03-25 06:06:26,612 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 108 transitions, 760 flow, removed 27 selfloop flow, removed 2 redundant places. [2021-03-25 06:06:26,615 INFO L241 Difference]: Finished difference. Result has 77 places, 71 transitions, 542 flow [2021-03-25 06:06:26,615 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=288, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=542, PETRI_PLACES=77, PETRI_TRANSITIONS=71} [2021-03-25 06:06:26,615 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 41 predicate places. [2021-03-25 06:06:26,615 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 06:06:26,615 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 71 transitions, 542 flow [2021-03-25 06:06:26,615 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 71 transitions, 542 flow [2021-03-25 06:06:26,616 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 77 places, 71 transitions, 542 flow [2021-03-25 06:06:26,629 INFO L129 PetriNetUnfolder]: 14/132 cut-off events. [2021-03-25 06:06:26,629 INFO L130 PetriNetUnfolder]: For 314/331 co-relation queries the response was YES. [2021-03-25 06:06:26,629 INFO L84 FinitePrefix]: Finished finitePrefix Result has 475 conditions, 132 events. 14/132 cut-off events. For 314/331 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 685 event pairs, 0 based on Foata normal form. 0/122 useless extension candidates. Maximal degree in co-relation 446. Up to 31 conditions per place. [2021-03-25 06:06:26,631 INFO L142 LiptonReduction]: Number of co-enabled transitions 690 [2021-03-25 06:06:26,895 INFO L154 LiptonReduction]: Checked pairs total: 354 [2021-03-25 06:06:26,896 INFO L156 LiptonReduction]: Total number of compositions: 18 [2021-03-25 06:06:26,896 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 281 [2021-03-25 06:06:26,897 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 65 transitions, 511 flow [2021-03-25 06:06:26,898 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 76.42857142857143) internal successors, (535), 7 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:26,898 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 06:06:26,898 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 06:06:27,112 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-03-25 06:06:27,112 INFO L428 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 06:06:27,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 06:06:27,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1476677483, now seen corresponding path program 1 times [2021-03-25 06:06:27,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 06:06:27,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82683310] [2021-03-25 06:06:27,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 06:06:27,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 06:06:27,133 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 06:06:27,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 06:06:27,176 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 06:06:27,181 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-25 06:06:27,181 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-25 06:06:27,181 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-25 06:06:27,181 WARN L342 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-03-25 06:06:27,182 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-03-25 06:06:27,196 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,197 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,197 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,197 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,197 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,197 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,197 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,197 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,197 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,197 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,197 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,197 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,197 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,197 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,198 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,198 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,198 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,198 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,198 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,198 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,198 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,198 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,198 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,198 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,198 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,198 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,199 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,199 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,199 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,199 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,199 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,199 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,199 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,199 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,199 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,199 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,199 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,199 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,200 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,200 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,200 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,200 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,200 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,200 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,200 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,200 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,200 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,200 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,201 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,201 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,201 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,201 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,201 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,201 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,201 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,201 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,201 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,201 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,201 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,201 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,201 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,201 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,202 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,202 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,202 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,202 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,202 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,202 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,202 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,202 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,202 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,202 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,202 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,202 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,203 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,203 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,203 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,203 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,203 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,203 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,203 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,203 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,203 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,203 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,203 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,203 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,204 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,204 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,204 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,204 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,204 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,204 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,204 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,205 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,205 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,205 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,205 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,206 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,206 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,207 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,207 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,209 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,209 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,209 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,209 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,209 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,210 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,210 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,210 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,210 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,210 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,211 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,211 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,211 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,212 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,212 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,212 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,213 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,214 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,214 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,214 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,214 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,214 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,215 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,215 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,215 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,215 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,215 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,215 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:27,216 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-25 06:06:27,216 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-25 06:06:27,217 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 06:06:27,217 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 06:06:27,217 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 06:06:27,217 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 06:06:27,217 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 06:06:27,217 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 06:06:27,217 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 06:06:27,217 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 06:06:27,221 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 106 places, 97 transitions, 236 flow [2021-03-25 06:06:27,230 INFO L129 PetriNetUnfolder]: 6/115 cut-off events. [2021-03-25 06:06:27,231 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-03-25 06:06:27,231 INFO L84 FinitePrefix]: Finished finitePrefix Result has 136 conditions, 115 events. 6/115 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 171 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 129. Up to 8 conditions per place. [2021-03-25 06:06:27,231 INFO L82 GeneralOperation]: Start removeDead. Operand has 106 places, 97 transitions, 236 flow [2021-03-25 06:06:27,232 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 81 places, 74 transitions, 172 flow [2021-03-25 06:06:27,232 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 06:06:27,232 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 74 transitions, 172 flow [2021-03-25 06:06:27,232 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 74 transitions, 172 flow [2021-03-25 06:06:27,233 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 81 places, 74 transitions, 172 flow [2021-03-25 06:06:27,244 INFO L129 PetriNetUnfolder]: 6/115 cut-off events. [2021-03-25 06:06:27,244 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-03-25 06:06:27,244 INFO L84 FinitePrefix]: Finished finitePrefix Result has 134 conditions, 115 events. 6/115 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 160 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 100. Up to 8 conditions per place. [2021-03-25 06:06:27,246 INFO L142 LiptonReduction]: Number of co-enabled transitions 1380 [2021-03-25 06:06:28,385 INFO L154 LiptonReduction]: Checked pairs total: 935 [2021-03-25 06:06:28,386 INFO L156 LiptonReduction]: Total number of compositions: 48 [2021-03-25 06:06:28,386 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1154 [2021-03-25 06:06:28,388 INFO L129 PetriNetUnfolder]: 1/13 cut-off events. [2021-03-25 06:06:28,388 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 06:06:28,388 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 06:06:28,388 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 06:06:28,388 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 06:06:28,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 06:06:28,389 INFO L82 PathProgramCache]: Analyzing trace with hash 908265519, now seen corresponding path program 1 times [2021-03-25 06:06:28,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 06:06:28,389 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674100845] [2021-03-25 06:06:28,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 06:06:28,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 06:06:28,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:28,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 06:06:28,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:28,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:28,413 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-25 06:06:28,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 06:06:28,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:28,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:28,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:28,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 06:06:28,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 06:06:28,437 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674100845] [2021-03-25 06:06:28,437 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 06:06:28,437 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 06:06:28,437 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171417396] [2021-03-25 06:06:28,437 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 06:06:28,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 06:06:28,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 06:06:28,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-25 06:06:28,438 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 145 [2021-03-25 06:06:28,439 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 31 transitions, 86 flow. Second operand has 6 states, 6 states have (on average 87.16666666666667) internal successors, (523), 6 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:28,439 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 06:06:28,439 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 145 [2021-03-25 06:06:28,439 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 06:06:28,609 INFO L129 PetriNetUnfolder]: 1079/1721 cut-off events. [2021-03-25 06:06:28,609 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-03-25 06:06:28,612 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3352 conditions, 1721 events. 1079/1721 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 253. Compared 10862 event pairs, 126 based on Foata normal form. 0/1361 useless extension candidates. Maximal degree in co-relation 3333. Up to 846 conditions per place. [2021-03-25 06:06:28,619 INFO L132 encePairwiseOnDemand]: 136/145 looper letters, 31 selfloop transitions, 10 changer transitions 2/56 dead transitions. [2021-03-25 06:06:28,619 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 56 transitions, 222 flow [2021-03-25 06:06:28,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 06:06:28,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 06:06:28,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 650 transitions. [2021-03-25 06:06:28,621 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6403940886699507 [2021-03-25 06:06:28,621 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 650 transitions. [2021-03-25 06:06:28,621 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 650 transitions. [2021-03-25 06:06:28,622 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 06:06:28,622 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 650 transitions. [2021-03-25 06:06:28,623 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 92.85714285714286) internal successors, (650), 7 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:28,625 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 145.0) internal successors, (1160), 8 states have internal predecessors, (1160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:28,625 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 145.0) internal successors, (1160), 8 states have internal predecessors, (1160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:28,625 INFO L185 Difference]: Start difference. First operand has 40 places, 31 transitions, 86 flow. Second operand 7 states and 650 transitions. [2021-03-25 06:06:28,625 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 56 transitions, 222 flow [2021-03-25 06:06:28,626 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 56 transitions, 215 flow, removed 3 selfloop flow, removed 1 redundant places. [2021-03-25 06:06:28,627 INFO L241 Difference]: Finished difference. Result has 47 places, 36 transitions, 139 flow [2021-03-25 06:06:28,627 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=75, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=139, PETRI_PLACES=47, PETRI_TRANSITIONS=36} [2021-03-25 06:06:28,627 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 7 predicate places. [2021-03-25 06:06:28,627 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 06:06:28,627 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 36 transitions, 139 flow [2021-03-25 06:06:28,628 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 36 transitions, 139 flow [2021-03-25 06:06:28,628 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 36 transitions, 139 flow [2021-03-25 06:06:28,639 INFO L129 PetriNetUnfolder]: 28/115 cut-off events. [2021-03-25 06:06:28,639 INFO L130 PetriNetUnfolder]: For 45/107 co-relation queries the response was YES. [2021-03-25 06:06:28,639 INFO L84 FinitePrefix]: Finished finitePrefix Result has 244 conditions, 115 events. 28/115 cut-off events. For 45/107 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 334 event pairs, 12 based on Foata normal form. 1/98 useless extension candidates. Maximal degree in co-relation 225. Up to 48 conditions per place. [2021-03-25 06:06:28,641 INFO L142 LiptonReduction]: Number of co-enabled transitions 456 [2021-03-25 06:06:28,900 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2021-03-25 06:06:29,131 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2021-03-25 06:06:29,361 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-03-25 06:06:30,033 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2021-03-25 06:06:30,137 INFO L154 LiptonReduction]: Checked pairs total: 645 [2021-03-25 06:06:30,138 INFO L156 LiptonReduction]: Total number of compositions: 6 [2021-03-25 06:06:30,138 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1511 [2021-03-25 06:06:30,138 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 30 transitions, 123 flow [2021-03-25 06:06:30,138 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 87.16666666666667) internal successors, (523), 6 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:30,138 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 06:06:30,139 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 06:06:30,139 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-25 06:06:30,139 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 06:06:30,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 06:06:30,139 INFO L82 PathProgramCache]: Analyzing trace with hash 2064602928, now seen corresponding path program 1 times [2021-03-25 06:06:30,139 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 06:06:30,139 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817998240] [2021-03-25 06:06:30,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 06:06:30,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 06:06:30,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:30,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 06:06:30,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:30,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:30,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:30,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:30,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:30,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:30,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:30,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:30,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:30,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:30,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:30,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 06:06:30,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 06:06:30,215 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817998240] [2021-03-25 06:06:30,215 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 06:06:30,215 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 06:06:30,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287168322] [2021-03-25 06:06:30,217 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 06:06:30,217 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 06:06:30,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 06:06:30,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-03-25 06:06:30,219 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 151 [2021-03-25 06:06:30,220 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 30 transitions, 123 flow. Second operand has 8 states, 8 states have (on average 84.375) internal successors, (675), 8 states have internal predecessors, (675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:30,220 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 06:06:30,220 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 151 [2021-03-25 06:06:30,220 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 06:06:30,770 INFO L129 PetriNetUnfolder]: 2753/4416 cut-off events. [2021-03-25 06:06:30,770 INFO L130 PetriNetUnfolder]: For 2247/2247 co-relation queries the response was YES. [2021-03-25 06:06:30,780 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11625 conditions, 4416 events. 2753/4416 cut-off events. For 2247/2247 co-relation queries the response was YES. Maximal size of possible extension queue 300. Compared 27727 event pairs, 352 based on Foata normal form. 90/4181 useless extension candidates. Maximal degree in co-relation 11609. Up to 1202 conditions per place. [2021-03-25 06:06:30,803 INFO L132 encePairwiseOnDemand]: 140/151 looper letters, 88 selfloop transitions, 37 changer transitions 5/136 dead transitions. [2021-03-25 06:06:30,803 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 136 transitions, 695 flow [2021-03-25 06:06:30,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 06:06:30,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 06:06:30,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1379 transitions. [2021-03-25 06:06:30,807 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6088300220750552 [2021-03-25 06:06:30,807 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1379 transitions. [2021-03-25 06:06:30,807 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1379 transitions. [2021-03-25 06:06:30,808 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 06:06:30,808 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1379 transitions. [2021-03-25 06:06:30,811 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 91.93333333333334) internal successors, (1379), 15 states have internal predecessors, (1379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:30,814 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 151.0) internal successors, (2416), 16 states have internal predecessors, (2416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:30,815 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 151.0) internal successors, (2416), 16 states have internal predecessors, (2416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:30,815 INFO L185 Difference]: Start difference. First operand has 39 places, 30 transitions, 123 flow. Second operand 15 states and 1379 transitions. [2021-03-25 06:06:30,815 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 136 transitions, 695 flow [2021-03-25 06:06:30,820 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 136 transitions, 688 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 06:06:30,824 INFO L241 Difference]: Finished difference. Result has 61 places, 59 transitions, 393 flow [2021-03-25 06:06:30,824 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=151, PETRI_DIFFERENCE_MINUEND_FLOW=119, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=393, PETRI_PLACES=61, PETRI_TRANSITIONS=59} [2021-03-25 06:06:30,825 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 21 predicate places. [2021-03-25 06:06:30,825 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 06:06:30,825 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 59 transitions, 393 flow [2021-03-25 06:06:30,825 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 59 transitions, 393 flow [2021-03-25 06:06:30,825 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 59 transitions, 393 flow [2021-03-25 06:06:30,846 INFO L129 PetriNetUnfolder]: 76/263 cut-off events. [2021-03-25 06:06:30,847 INFO L130 PetriNetUnfolder]: For 829/1532 co-relation queries the response was YES. [2021-03-25 06:06:30,848 INFO L84 FinitePrefix]: Finished finitePrefix Result has 966 conditions, 263 events. 76/263 cut-off events. For 829/1532 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1393 event pairs, 25 based on Foata normal form. 8/236 useless extension candidates. Maximal degree in co-relation 943. Up to 121 conditions per place. [2021-03-25 06:06:30,851 INFO L142 LiptonReduction]: Number of co-enabled transitions 792 [2021-03-25 06:06:30,927 INFO L154 LiptonReduction]: Checked pairs total: 1120 [2021-03-25 06:06:30,928 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-25 06:06:30,928 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 103 [2021-03-25 06:06:30,928 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 59 transitions, 395 flow [2021-03-25 06:06:30,928 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 84.375) internal successors, (675), 8 states have internal predecessors, (675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:30,928 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 06:06:30,929 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 06:06:30,929 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-25 06:06:30,929 INFO L428 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 06:06:30,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 06:06:30,929 INFO L82 PathProgramCache]: Analyzing trace with hash 1212898528, now seen corresponding path program 1 times [2021-03-25 06:06:30,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 06:06:30,929 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965837040] [2021-03-25 06:06:30,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 06:06:30,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 06:06:30,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:30,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:30,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:30,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:30,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:30,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 06:06:31,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:31,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:31,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:31,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 06:06:31,038 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 06:06:31,039 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965837040] [2021-03-25 06:06:31,039 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [903644450] [2021-03-25 06:06:31,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 06:06:31,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 06:06:31,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-25 06:06:31,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 06:06:31,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 06:06:31,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 06:06:31,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:31,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:31,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:31,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:31,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:31,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:31,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:31,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:31,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:31,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:31,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:31,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:31,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:31,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:31,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:31,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:31,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:31,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:31,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:31,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:31,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:31,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:31,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:31,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:31,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:31,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:31,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:31,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:31,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:31,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:31,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:31,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:31,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:31,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:31,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:31,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:31,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:31,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:31,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:31,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:31,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:31,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:31,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:31,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:31,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:31,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:31,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:31,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:31,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:31,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:31,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 06:06:31,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:31,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:31,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 06:06:31,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:31,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:31,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 06:06:31,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:31,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 06:06:31,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 06:06:31,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:31,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:31,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 06:06:31,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:31,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 06:06:31,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 06:06:31,230 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size [2021-03-25 06:06:31,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:31,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,232 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 06:06:31,233 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:31,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 06:06:31,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 06:06:31,237 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 06:06:31,238 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:31,239 INFO L142 QuantifierPusher]: treesize reduction 15, result has 42.3 percent of original size [2021-03-25 06:06:31,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:31,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:31,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:31,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:31,249 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-03-25 06:06:31,249 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-25 06:06:31,249 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 11 [2021-03-25 06:06:31,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114022197] [2021-03-25 06:06:31,249 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 06:06:31,249 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 06:06:31,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 06:06:31,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-03-25 06:06:31,251 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 155 [2021-03-25 06:06:31,251 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 59 transitions, 395 flow. Second operand has 6 states, 6 states have (on average 94.33333333333333) internal successors, (566), 6 states have internal predecessors, (566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:31,251 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 06:06:31,251 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 155 [2021-03-25 06:06:31,251 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 06:06:31,775 INFO L129 PetriNetUnfolder]: 2214/3735 cut-off events. [2021-03-25 06:06:31,776 INFO L130 PetriNetUnfolder]: For 10573/11578 co-relation queries the response was YES. [2021-03-25 06:06:31,790 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15155 conditions, 3735 events. 2214/3735 cut-off events. For 10573/11578 co-relation queries the response was YES. Maximal size of possible extension queue 729. Compared 30329 event pairs, 393 based on Foata normal form. 84/3575 useless extension candidates. Maximal degree in co-relation 15129. Up to 1157 conditions per place. [2021-03-25 06:06:31,811 INFO L132 encePairwiseOnDemand]: 147/155 looper letters, 114 selfloop transitions, 46 changer transitions 6/180 dead transitions. [2021-03-25 06:06:31,811 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 180 transitions, 1507 flow [2021-03-25 06:06:31,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 06:06:31,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 06:06:31,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1320 transitions. [2021-03-25 06:06:31,814 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6550868486352357 [2021-03-25 06:06:31,814 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1320 transitions. [2021-03-25 06:06:31,815 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1320 transitions. [2021-03-25 06:06:31,815 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 06:06:31,816 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1320 transitions. [2021-03-25 06:06:31,818 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 101.53846153846153) internal successors, (1320), 13 states have internal predecessors, (1320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:31,821 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 155.0) internal successors, (2170), 14 states have internal predecessors, (2170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:31,822 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 155.0) internal successors, (2170), 14 states have internal predecessors, (2170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:31,822 INFO L185 Difference]: Start difference. First operand has 61 places, 59 transitions, 395 flow. Second operand 13 states and 1320 transitions. [2021-03-25 06:06:31,822 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 180 transitions, 1507 flow [2021-03-25 06:06:31,853 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 180 transitions, 1414 flow, removed 31 selfloop flow, removed 2 redundant places. [2021-03-25 06:06:31,856 INFO L241 Difference]: Finished difference. Result has 79 places, 89 transitions, 779 flow [2021-03-25 06:06:31,857 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=358, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=779, PETRI_PLACES=79, PETRI_TRANSITIONS=89} [2021-03-25 06:06:31,857 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 39 predicate places. [2021-03-25 06:06:31,857 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 06:06:31,857 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 89 transitions, 779 flow [2021-03-25 06:06:31,857 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 89 transitions, 779 flow [2021-03-25 06:06:31,858 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 89 transitions, 779 flow [2021-03-25 06:06:31,896 INFO L129 PetriNetUnfolder]: 120/435 cut-off events. [2021-03-25 06:06:31,896 INFO L130 PetriNetUnfolder]: For 2755/4864 co-relation queries the response was YES. [2021-03-25 06:06:31,898 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2081 conditions, 435 events. 120/435 cut-off events. For 2755/4864 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 2921 event pairs, 41 based on Foata normal form. 13/392 useless extension candidates. Maximal degree in co-relation 2049. Up to 191 conditions per place. [2021-03-25 06:06:31,906 INFO L142 LiptonReduction]: Number of co-enabled transitions 1370 [2021-03-25 06:06:32,002 INFO L154 LiptonReduction]: Checked pairs total: 2004 [2021-03-25 06:06:32,002 INFO L156 LiptonReduction]: Total number of compositions: 6 [2021-03-25 06:06:32,003 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 146 [2021-03-25 06:06:32,003 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 89 transitions, 781 flow [2021-03-25 06:06:32,004 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 94.33333333333333) internal successors, (566), 6 states have internal predecessors, (566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:32,004 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 06:06:32,004 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 06:06:32,219 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-03-25 06:06:32,220 INFO L428 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 06:06:32,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 06:06:32,220 INFO L82 PathProgramCache]: Analyzing trace with hash 1645079874, now seen corresponding path program 1 times [2021-03-25 06:06:32,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 06:06:32,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776328837] [2021-03-25 06:06:32,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 06:06:32,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 06:06:32,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:32,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:32,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:32,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:32,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:32,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 06:06:32,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 06:06:32,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:32,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 06:06:32,307 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 06:06:32,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776328837] [2021-03-25 06:06:32,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [475284626] [2021-03-25 06:06:32,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 06:06:32,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 06:06:32,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 16 conjunts are in the unsatisfiable core [2021-03-25 06:06:32,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 06:06:32,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 06:06:32,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 06:06:32,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:32,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:32,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:32,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:32,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:32,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:32,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:32,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:32,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:32,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:32,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:32,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:32,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:32,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:32,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:32,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:32,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:32,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:32,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:32,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:32,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:32,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:32,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:32,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:32,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:32,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:32,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:32,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:32,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:32,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:32,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:32,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:32,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:32,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:32,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:32,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:32,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:32,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:32,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:32,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:32,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:32,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:32,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 06:06:32,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:32,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:32,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 06:06:32,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:32,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:32,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 06:06:32,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:32,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 06:06:32,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 06:06:32,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:32,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:32,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 06:06:32,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:32,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:32,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 06:06:32,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:32,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:32,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 06:06:32,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:32,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 06:06:32,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 06:06:32,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:32,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:32,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 06:06:32,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:32,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 06:06:32,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 06:06:32,509 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size [2021-03-25 06:06:32,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:32,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,514 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 06:06:32,515 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:32,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 06:06:32,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 06:06:32,521 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 06:06:32,522 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:32,522 INFO L142 QuantifierPusher]: treesize reduction 15, result has 42.3 percent of original size [2021-03-25 06:06:32,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:32,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:32,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:32,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:32,560 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-03-25 06:06:32,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-25 06:06:32,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 15 [2021-03-25 06:06:32,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999882847] [2021-03-25 06:06:32,561 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 06:06:32,561 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 06:06:32,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 06:06:32,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2021-03-25 06:06:32,562 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 161 [2021-03-25 06:06:32,563 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 89 transitions, 781 flow. Second operand has 8 states, 8 states have (on average 96.375) internal successors, (771), 8 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) [2021-03-25 06:06:32,563 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 06:06:32,563 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 161 [2021-03-25 06:06:32,563 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 06:06:33,429 INFO L129 PetriNetUnfolder]: 2313/3974 cut-off events. [2021-03-25 06:06:33,429 INFO L130 PetriNetUnfolder]: For 17302/18371 co-relation queries the response was YES. [2021-03-25 06:06:33,449 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18629 conditions, 3974 events. 2313/3974 cut-off events. For 17302/18371 co-relation queries the response was YES. Maximal size of possible extension queue 832. Compared 33740 event pairs, 206 based on Foata normal form. 16/3769 useless extension candidates. Maximal degree in co-relation 18594. Up to 1050 conditions per place. [2021-03-25 06:06:33,517 INFO L132 encePairwiseOnDemand]: 150/161 looper letters, 137 selfloop transitions, 101 changer transitions 13/264 dead transitions. [2021-03-25 06:06:33,517 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 264 transitions, 2508 flow [2021-03-25 06:06:33,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-25 06:06:33,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-03-25 06:06:33,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 2768 transitions. [2021-03-25 06:06:33,526 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6367609845870715 [2021-03-25 06:06:33,526 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 2768 transitions. [2021-03-25 06:06:33,526 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 2768 transitions. [2021-03-25 06:06:33,528 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 06:06:33,528 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 2768 transitions. [2021-03-25 06:06:33,534 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 102.51851851851852) internal successors, (2768), 27 states have internal predecessors, (2768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:33,540 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 161.0) internal successors, (4508), 28 states have internal predecessors, (4508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:33,542 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 161.0) internal successors, (4508), 28 states have internal predecessors, (4508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:33,542 INFO L185 Difference]: Start difference. First operand has 79 places, 89 transitions, 781 flow. Second operand 27 states and 2768 transitions. [2021-03-25 06:06:33,542 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 264 transitions, 2508 flow [2021-03-25 06:06:33,615 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 264 transitions, 2428 flow, removed 40 selfloop flow, removed 0 redundant places. [2021-03-25 06:06:33,618 INFO L241 Difference]: Finished difference. Result has 111 places, 135 transitions, 1508 flow [2021-03-25 06:06:33,619 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=749, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=1508, PETRI_PLACES=111, PETRI_TRANSITIONS=135} [2021-03-25 06:06:33,619 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 71 predicate places. [2021-03-25 06:06:33,619 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 06:06:33,619 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 111 places, 135 transitions, 1508 flow [2021-03-25 06:06:33,619 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 111 places, 135 transitions, 1508 flow [2021-03-25 06:06:33,620 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 111 places, 135 transitions, 1508 flow [2021-03-25 06:06:33,689 INFO L129 PetriNetUnfolder]: 141/564 cut-off events. [2021-03-25 06:06:33,689 INFO L130 PetriNetUnfolder]: For 5468/7479 co-relation queries the response was YES. [2021-03-25 06:06:33,693 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2997 conditions, 564 events. 141/564 cut-off events. For 5468/7479 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 4199 event pairs, 50 based on Foata normal form. 24/540 useless extension candidates. Maximal degree in co-relation 2957. Up to 199 conditions per place. [2021-03-25 06:06:33,704 INFO L142 LiptonReduction]: Number of co-enabled transitions 2162 [2021-03-25 06:06:33,770 INFO L154 LiptonReduction]: Checked pairs total: 4490 [2021-03-25 06:06:33,770 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-25 06:06:33,770 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 151 [2021-03-25 06:06:33,771 INFO L480 AbstractCegarLoop]: Abstraction has has 111 places, 135 transitions, 1508 flow [2021-03-25 06:06:33,771 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 96.375) internal successors, (771), 8 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) [2021-03-25 06:06:33,771 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 06:06:33,771 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 06:06:33,992 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-03-25 06:06:33,993 INFO L428 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 06:06:33,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 06:06:33,993 INFO L82 PathProgramCache]: Analyzing trace with hash -2138087862, now seen corresponding path program 1 times [2021-03-25 06:06:33,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 06:06:33,993 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823493527] [2021-03-25 06:06:33,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 06:06:34,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 06:06:34,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:34,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:34,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:34,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:34,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 06:06:34,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 06:06:34,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:34,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 06:06:34,079 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 06:06:34,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823493527] [2021-03-25 06:06:34,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1907943985] [2021-03-25 06:06:34,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 06:06:34,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 06:06:34,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 16 conjunts are in the unsatisfiable core [2021-03-25 06:06:34,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 06:06:34,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 06:06:34,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 06:06:34,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:34,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:34,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:34,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:34,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:34,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:34,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:34,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:34,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:34,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:34,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:34,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:34,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:34,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:34,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:34,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:34,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:34,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:34,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:34,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:34,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:34,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:34,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:34,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:34,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:34,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:34,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:34,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:34,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:34,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:34,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:34,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:34,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:34,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:34,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:34,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:34,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:34,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:34,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:34,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:34,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:34,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:34,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:34,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:34,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 06:06:34,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:34,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 06:06:34,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 06:06:34,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:34,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:34,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 06:06:34,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:34,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:34,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 06:06:34,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:34,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:34,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 06:06:34,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:34,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 06:06:34,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 06:06:34,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:34,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:34,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 06:06:34,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:34,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 06:06:34,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 06:06:34,287 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size [2021-03-25 06:06:34,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:34,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,292 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 06:06:34,293 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:34,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 06:06:34,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 06:06:34,298 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 06:06:34,299 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:34,300 INFO L142 QuantifierPusher]: treesize reduction 15, result has 42.3 percent of original size [2021-03-25 06:06:34,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:34,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:34,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:34,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:34,312 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-03-25 06:06:34,312 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-25 06:06:34,313 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 13 [2021-03-25 06:06:34,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533561465] [2021-03-25 06:06:34,315 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 06:06:34,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 06:06:34,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 06:06:34,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2021-03-25 06:06:34,317 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 165 [2021-03-25 06:06:34,317 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 135 transitions, 1508 flow. Second operand has 7 states, 7 states have (on average 103.28571428571429) internal successors, (723), 7 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:34,317 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 06:06:34,317 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 165 [2021-03-25 06:06:34,317 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 06:06:35,056 INFO L129 PetriNetUnfolder]: 2330/4063 cut-off events. [2021-03-25 06:06:35,056 INFO L130 PetriNetUnfolder]: For 25452/26610 co-relation queries the response was YES. [2021-03-25 06:06:35,076 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20977 conditions, 4063 events. 2330/4063 cut-off events. For 25452/26610 co-relation queries the response was YES. Maximal size of possible extension queue 880. Compared 35108 event pairs, 387 based on Foata normal form. 27/3791 useless extension candidates. Maximal degree in co-relation 20934. Up to 1056 conditions per place. [2021-03-25 06:06:35,091 INFO L132 encePairwiseOnDemand]: 155/165 looper letters, 105 selfloop transitions, 92 changer transitions 7/218 dead transitions. [2021-03-25 06:06:35,091 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 218 transitions, 2487 flow [2021-03-25 06:06:35,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 06:06:35,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 06:06:35,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1649 transitions. [2021-03-25 06:06:35,094 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6662626262626262 [2021-03-25 06:06:35,094 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1649 transitions. [2021-03-25 06:06:35,095 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1649 transitions. [2021-03-25 06:06:35,095 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 06:06:35,095 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1649 transitions. [2021-03-25 06:06:35,099 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 109.93333333333334) internal successors, (1649), 15 states have internal predecessors, (1649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:35,102 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 165.0) internal successors, (2640), 16 states have internal predecessors, (2640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:35,102 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 165.0) internal successors, (2640), 16 states have internal predecessors, (2640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:35,102 INFO L185 Difference]: Start difference. First operand has 111 places, 135 transitions, 1508 flow. Second operand 15 states and 1649 transitions. [2021-03-25 06:06:35,103 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 218 transitions, 2487 flow [2021-03-25 06:06:35,282 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 218 transitions, 2322 flow, removed 62 selfloop flow, removed 5 redundant places. [2021-03-25 06:06:35,286 INFO L241 Difference]: Finished difference. Result has 126 places, 147 transitions, 1799 flow [2021-03-25 06:06:35,286 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=165, PETRI_DIFFERENCE_MINUEND_FLOW=1369, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=81, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=1799, PETRI_PLACES=126, PETRI_TRANSITIONS=147} [2021-03-25 06:06:35,286 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 86 predicate places. [2021-03-25 06:06:35,286 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 06:06:35,286 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 126 places, 147 transitions, 1799 flow [2021-03-25 06:06:35,287 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 126 places, 147 transitions, 1799 flow [2021-03-25 06:06:35,288 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 126 places, 147 transitions, 1799 flow [2021-03-25 06:06:35,346 INFO L129 PetriNetUnfolder]: 129/567 cut-off events. [2021-03-25 06:06:35,347 INFO L130 PetriNetUnfolder]: For 6682/7453 co-relation queries the response was YES. [2021-03-25 06:06:35,350 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3248 conditions, 567 events. 129/567 cut-off events. For 6682/7453 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 4415 event pairs, 52 based on Foata normal form. 20/541 useless extension candidates. Maximal degree in co-relation 3202. Up to 179 conditions per place. [2021-03-25 06:06:35,360 INFO L142 LiptonReduction]: Number of co-enabled transitions 2360 [2021-03-25 06:06:35,370 INFO L154 LiptonReduction]: Checked pairs total: 1701 [2021-03-25 06:06:35,370 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 06:06:35,370 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 84 [2021-03-25 06:06:35,371 INFO L480 AbstractCegarLoop]: Abstraction has has 126 places, 147 transitions, 1799 flow [2021-03-25 06:06:35,371 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 103.28571428571429) internal successors, (723), 7 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:35,371 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 06:06:35,371 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 06:06:35,592 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-03-25 06:06:35,595 INFO L428 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 06:06:35,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 06:06:35,595 INFO L82 PathProgramCache]: Analyzing trace with hash -1026101737, now seen corresponding path program 1 times [2021-03-25 06:06:35,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 06:06:35,595 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887734920] [2021-03-25 06:06:35,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 06:06:35,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 06:06:35,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:35,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:35,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 06:06:35,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:35,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:35,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:35,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 06:06:35,673 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-03-25 06:06:35,673 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887734920] [2021-03-25 06:06:35,674 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [693496064] [2021-03-25 06:06:35,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 06:06:35,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 06:06:35,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-25 06:06:35,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 06:06:35,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 06:06:35,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 06:06:35,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 06:06:35,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:35,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:35,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 06:06:35,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 06:06:35,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:35,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 06:06:35,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 06:06:35,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:35,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 06:06:35,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:35,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 06:06:35,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 06:06:35,851 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size [2021-03-25 06:06:35,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:35,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,853 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 06:06:35,855 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:35,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 06:06:35,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 06:06:35,859 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 06:06:35,861 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:35,862 INFO L142 QuantifierPusher]: treesize reduction 15, result has 42.3 percent of original size [2021-03-25 06:06:35,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:35,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:35,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:35,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:35,871 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-03-25 06:06:35,872 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-25 06:06:35,872 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 11 [2021-03-25 06:06:35,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980549310] [2021-03-25 06:06:35,872 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 06:06:35,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 06:06:35,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 06:06:35,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-03-25 06:06:35,873 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 165 [2021-03-25 06:06:35,873 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 147 transitions, 1799 flow. Second operand has 6 states, 6 states have (on average 102.33333333333333) internal successors, (614), 6 states have internal predecessors, (614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:35,873 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 06:06:35,874 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 165 [2021-03-25 06:06:35,874 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 06:06:36,622 INFO L129 PetriNetUnfolder]: 2941/5373 cut-off events. [2021-03-25 06:06:36,623 INFO L130 PetriNetUnfolder]: For 45997/47666 co-relation queries the response was YES. [2021-03-25 06:06:36,649 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28892 conditions, 5373 events. 2941/5373 cut-off events. For 45997/47666 co-relation queries the response was YES. Maximal size of possible extension queue 1263. Compared 50278 event pairs, 403 based on Foata normal form. 144/5167 useless extension candidates. Maximal degree in co-relation 28843. Up to 1366 conditions per place. [2021-03-25 06:06:36,668 INFO L132 encePairwiseOnDemand]: 155/165 looper letters, 207 selfloop transitions, 116 changer transitions 6/343 dead transitions. [2021-03-25 06:06:36,668 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 343 transitions, 4634 flow [2021-03-25 06:06:36,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 06:06:36,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 06:06:36,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1431 transitions. [2021-03-25 06:06:36,670 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6671328671328671 [2021-03-25 06:06:36,670 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1431 transitions. [2021-03-25 06:06:36,671 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1431 transitions. [2021-03-25 06:06:36,671 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 06:06:36,671 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1431 transitions. [2021-03-25 06:06:36,673 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 110.07692307692308) internal successors, (1431), 13 states have internal predecessors, (1431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:36,675 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 165.0) internal successors, (2310), 14 states have internal predecessors, (2310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:36,676 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 165.0) internal successors, (2310), 14 states have internal predecessors, (2310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:36,676 INFO L185 Difference]: Start difference. First operand has 126 places, 147 transitions, 1799 flow. Second operand 13 states and 1431 transitions. [2021-03-25 06:06:36,676 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 343 transitions, 4634 flow [2021-03-25 06:06:37,139 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 343 transitions, 4411 flow, removed 70 selfloop flow, removed 7 redundant places. [2021-03-25 06:06:37,145 INFO L241 Difference]: Finished difference. Result has 139 places, 222 transitions, 3238 flow [2021-03-25 06:06:37,145 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=165, PETRI_DIFFERENCE_MINUEND_FLOW=1687, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3238, PETRI_PLACES=139, PETRI_TRANSITIONS=222} [2021-03-25 06:06:37,145 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 99 predicate places. [2021-03-25 06:06:37,145 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 06:06:37,145 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 139 places, 222 transitions, 3238 flow [2021-03-25 06:06:37,146 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 139 places, 222 transitions, 3238 flow [2021-03-25 06:06:37,147 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 139 places, 222 transitions, 3238 flow [2021-03-25 06:06:37,221 INFO L129 PetriNetUnfolder]: 151/737 cut-off events. [2021-03-25 06:06:37,221 INFO L130 PetriNetUnfolder]: For 9667/9921 co-relation queries the response was YES. [2021-03-25 06:06:37,224 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4708 conditions, 737 events. 151/737 cut-off events. For 9667/9921 co-relation queries the response was YES. Maximal size of possible extension queue 167. Compared 6617 event pairs, 49 based on Foata normal form. 70/754 useless extension candidates. Maximal degree in co-relation 4656. Up to 265 conditions per place. [2021-03-25 06:06:37,233 INFO L142 LiptonReduction]: Number of co-enabled transitions 3600 [2021-03-25 06:06:37,440 INFO L154 LiptonReduction]: Checked pairs total: 48 [2021-03-25 06:06:37,440 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-25 06:06:37,441 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 296 [2021-03-25 06:06:37,441 INFO L480 AbstractCegarLoop]: Abstraction has has 139 places, 222 transitions, 3242 flow [2021-03-25 06:06:37,441 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 102.33333333333333) internal successors, (614), 6 states have internal predecessors, (614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:37,442 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 06:06:37,442 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 06:06:37,665 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-03-25 06:06:37,665 INFO L428 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 06:06:37,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 06:06:37,665 INFO L82 PathProgramCache]: Analyzing trace with hash 190019537, now seen corresponding path program 1 times [2021-03-25 06:06:37,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 06:06:37,666 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688083626] [2021-03-25 06:06:37,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 06:06:37,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 06:06:37,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:37,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:37,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:37,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:37,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:37,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 06:06:37,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 06:06:37,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:37,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 06:06:37,770 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-25 06:06:37,770 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688083626] [2021-03-25 06:06:37,770 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1498669315] [2021-03-25 06:06:37,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 06:06:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 06:06:37,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 16 conjunts are in the unsatisfiable core [2021-03-25 06:06:37,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 06:06:37,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 06:06:37,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 06:06:37,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 06:06:37,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:37,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:37,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 06:06:37,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 06:06:37,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:37,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 06:06:37,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 06:06:37,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 06:06:37,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:37,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:37,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 06:06:37,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 06:06:37,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:37,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 06:06:37,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 06:06:37,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:37,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:37,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:38,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:38,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 06:06:38,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:38,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:38,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:38,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 06:06:38,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 06:06:38,005 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size [2021-03-25 06:06:38,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:38,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:38,007 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 06:06:38,008 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:38,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:38,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:38,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 06:06:38,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 06:06:38,012 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 06:06:38,013 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:38,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:38,014 INFO L142 QuantifierPusher]: treesize reduction 15, result has 42.3 percent of original size [2021-03-25 06:06:38,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:38,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:38,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:38,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:38,028 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-03-25 06:06:38,028 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 06:06:38,029 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 15 [2021-03-25 06:06:38,029 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569798831] [2021-03-25 06:06:38,029 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-25 06:06:38,029 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 06:06:38,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-25 06:06:38,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2021-03-25 06:06:38,032 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 169 [2021-03-25 06:06:38,033 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 222 transitions, 3242 flow. Second operand has 17 states, 17 states have (on average 81.94117647058823) internal successors, (1393), 17 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:38,033 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 06:06:38,033 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 169 [2021-03-25 06:06:38,033 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 06:06:41,103 INFO L129 PetriNetUnfolder]: 5794/10648 cut-off events. [2021-03-25 06:06:41,103 INFO L130 PetriNetUnfolder]: For 106263/106291 co-relation queries the response was YES. [2021-03-25 06:06:41,144 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62092 conditions, 10648 events. 5794/10648 cut-off events. For 106263/106291 co-relation queries the response was YES. Maximal size of possible extension queue 1012. Compared 93067 event pairs, 239 based on Foata normal form. 124/10772 useless extension candidates. Maximal degree in co-relation 62037. Up to 2790 conditions per place. [2021-03-25 06:06:41,179 INFO L132 encePairwiseOnDemand]: 146/169 looper letters, 308 selfloop transitions, 295 changer transitions 185/793 dead transitions. [2021-03-25 06:06:41,180 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 793 transitions, 11389 flow [2021-03-25 06:06:41,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-03-25 06:06:41,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2021-03-25 06:06:41,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 5243 transitions. [2021-03-25 06:06:41,187 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5170611439842209 [2021-03-25 06:06:41,187 INFO L72 ComplementDD]: Start complementDD. Operand 60 states and 5243 transitions. [2021-03-25 06:06:41,187 INFO L73 IsDeterministic]: Start isDeterministic. Operand 60 states and 5243 transitions. [2021-03-25 06:06:41,188 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 06:06:41,188 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 60 states and 5243 transitions. [2021-03-25 06:06:41,195 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 61 states, 60 states have (on average 87.38333333333334) internal successors, (5243), 60 states have internal predecessors, (5243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:41,204 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 61 states, 61 states have (on average 169.0) internal successors, (10309), 61 states have internal predecessors, (10309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:41,206 INFO L81 ComplementDD]: Finished complementDD. Result has 61 states, 61 states have (on average 169.0) internal successors, (10309), 61 states have internal predecessors, (10309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:41,206 INFO L185 Difference]: Start difference. First operand has 139 places, 222 transitions, 3242 flow. Second operand 60 states and 5243 transitions. [2021-03-25 06:06:41,206 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 793 transitions, 11389 flow [2021-03-25 06:06:42,814 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 793 transitions, 10923 flow, removed 233 selfloop flow, removed 0 redundant places. [2021-03-25 06:06:42,821 INFO L241 Difference]: Finished difference. Result has 240 places, 357 transitions, 6217 flow [2021-03-25 06:06:42,822 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=3080, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=222, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=160, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=60, PETRI_FLOW=6217, PETRI_PLACES=240, PETRI_TRANSITIONS=357} [2021-03-25 06:06:42,822 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 200 predicate places. [2021-03-25 06:06:42,822 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 06:06:42,822 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 240 places, 357 transitions, 6217 flow [2021-03-25 06:06:42,822 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 240 places, 357 transitions, 6217 flow [2021-03-25 06:06:42,825 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 233 places, 357 transitions, 6217 flow [2021-03-25 06:06:43,143 INFO L129 PetriNetUnfolder]: 450/1948 cut-off events. [2021-03-25 06:06:43,144 INFO L130 PetriNetUnfolder]: For 58199/61325 co-relation queries the response was YES. [2021-03-25 06:06:43,158 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15321 conditions, 1948 events. 450/1948 cut-off events. For 58199/61325 co-relation queries the response was YES. Maximal size of possible extension queue 264. Compared 20222 event pairs, 128 based on Foata normal form. 174/1940 useless extension candidates. Maximal degree in co-relation 15225. Up to 657 conditions per place. [2021-03-25 06:06:43,183 INFO L142 LiptonReduction]: Number of co-enabled transitions 4822 [2021-03-25 06:06:43,391 INFO L154 LiptonReduction]: Checked pairs total: 2085 [2021-03-25 06:06:43,391 INFO L156 LiptonReduction]: Total number of compositions: 7 [2021-03-25 06:06:43,391 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 569 [2021-03-25 06:06:43,392 INFO L480 AbstractCegarLoop]: Abstraction has has 233 places, 357 transitions, 6217 flow [2021-03-25 06:06:43,393 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 81.94117647058823) internal successors, (1393), 17 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:43,393 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 06:06:43,393 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 06:06:43,607 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 06:06:43,608 INFO L428 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 06:06:43,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 06:06:43,609 INFO L82 PathProgramCache]: Analyzing trace with hash 244460187, now seen corresponding path program 1 times [2021-03-25 06:06:43,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 06:06:43,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843800716] [2021-03-25 06:06:43,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 06:06:43,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 06:06:43,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:43,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:43,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:43,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:43,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 06:06:43,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 06:06:43,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:43,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 06:06:43,706 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-25 06:06:43,707 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843800716] [2021-03-25 06:06:43,707 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1412197958] [2021-03-25 06:06:43,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 06:06:43,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 06:06:43,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 16 conjunts are in the unsatisfiable core [2021-03-25 06:06:43,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 06:06:43,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 06:06:43,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 06:06:43,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:43,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:43,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 06:06:43,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:43,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 06:06:43,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 06:06:43,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 06:06:43,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:43,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:43,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 06:06:43,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 06:06:43,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:43,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 06:06:43,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 06:06:43,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:43,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 06:06:43,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:43,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 06:06:43,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 06:06:43,921 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size [2021-03-25 06:06:43,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:43,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,923 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 06:06:43,924 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:43,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 06:06:43,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 06:06:43,929 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 06:06:43,929 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:43,930 INFO L142 QuantifierPusher]: treesize reduction 15, result has 42.3 percent of original size [2021-03-25 06:06:43,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:43,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:43,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:43,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:43,941 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-03-25 06:06:43,941 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-25 06:06:43,941 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 13 [2021-03-25 06:06:43,942 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713407963] [2021-03-25 06:06:43,943 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 06:06:43,943 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 06:06:43,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 06:06:43,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2021-03-25 06:06:43,945 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 176 [2021-03-25 06:06:43,945 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 357 transitions, 6217 flow. Second operand has 7 states, 7 states have (on average 109.42857142857143) internal successors, (766), 7 states have internal predecessors, (766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:43,945 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 06:06:43,945 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 176 [2021-03-25 06:06:43,945 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 06:06:45,695 INFO L129 PetriNetUnfolder]: 2825/5913 cut-off events. [2021-03-25 06:06:45,695 INFO L130 PetriNetUnfolder]: For 195699/204332 co-relation queries the response was YES. [2021-03-25 06:06:45,735 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47742 conditions, 5913 events. 2825/5913 cut-off events. For 195699/204332 co-relation queries the response was YES. Maximal size of possible extension queue 1000. Compared 57712 event pairs, 352 based on Foata normal form. 299/5881 useless extension candidates. Maximal degree in co-relation 47643. Up to 1655 conditions per place. [2021-03-25 06:06:45,757 INFO L132 encePairwiseOnDemand]: 162/176 looper letters, 281 selfloop transitions, 203 changer transitions 27/534 dead transitions. [2021-03-25 06:06:45,757 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 534 transitions, 9939 flow [2021-03-25 06:06:45,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 06:06:45,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 06:06:45,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1750 transitions. [2021-03-25 06:06:45,760 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6628787878787878 [2021-03-25 06:06:45,760 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1750 transitions. [2021-03-25 06:06:45,760 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1750 transitions. [2021-03-25 06:06:45,760 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 06:06:45,761 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1750 transitions. [2021-03-25 06:06:45,763 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 116.66666666666667) internal successors, (1750), 15 states have internal predecessors, (1750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:45,765 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 176.0) internal successors, (2816), 16 states have internal predecessors, (2816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:45,765 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 176.0) internal successors, (2816), 16 states have internal predecessors, (2816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:45,766 INFO L185 Difference]: Start difference. First operand has 233 places, 357 transitions, 6217 flow. Second operand 15 states and 1750 transitions. [2021-03-25 06:06:45,766 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 534 transitions, 9939 flow [2021-03-25 06:06:47,283 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 534 transitions, 9187 flow, removed 291 selfloop flow, removed 16 redundant places. [2021-03-25 06:06:47,289 INFO L241 Difference]: Finished difference. Result has 237 places, 382 transitions, 6712 flow [2021-03-25 06:06:47,290 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=176, PETRI_DIFFERENCE_MINUEND_FLOW=5623, PETRI_DIFFERENCE_MINUEND_PLACES=217, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=174, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=6712, PETRI_PLACES=237, PETRI_TRANSITIONS=382} [2021-03-25 06:06:47,290 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 197 predicate places. [2021-03-25 06:06:47,290 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 06:06:47,290 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 237 places, 382 transitions, 6712 flow [2021-03-25 06:06:47,291 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 237 places, 382 transitions, 6712 flow [2021-03-25 06:06:47,293 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 237 places, 382 transitions, 6712 flow [2021-03-25 06:06:47,381 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([540] thr2ENTRY-->L698: Formula: (and (= v_thr2Thread3of3ForFork0_~arg.base_7 |v_thr2Thread3of3ForFork0_#in~arg.base_7|) (= v_thr2Thread3of3ForFork0_~t~0_13 v_~x~0_120) (= v_thr2Thread3of3ForFork0_~arg.offset_7 |v_thr2Thread3of3ForFork0_#in~arg.offset_7|)) InVars {thr2Thread3of3ForFork0_#in~arg.base=|v_thr2Thread3of3ForFork0_#in~arg.base_7|, thr2Thread3of3ForFork0_#in~arg.offset=|v_thr2Thread3of3ForFork0_#in~arg.offset_7|, ~x~0=v_~x~0_120} OutVars{thr2Thread3of3ForFork0_#in~arg.base=|v_thr2Thread3of3ForFork0_#in~arg.base_7|, thr2Thread3of3ForFork0_#in~arg.offset=|v_thr2Thread3of3ForFork0_#in~arg.offset_7|, thr2Thread3of3ForFork0_~t~0=v_thr2Thread3of3ForFork0_~t~0_13, ~x~0=v_~x~0_120, thr2Thread3of3ForFork0_~arg.base=v_thr2Thread3of3ForFork0_~arg.base_7, thr2Thread3of3ForFork0_~arg.offset=v_thr2Thread3of3ForFork0_~arg.offset_7} AuxVars[] AssignedVars[thr2Thread3of3ForFork0_~t~0, thr2Thread3of3ForFork0_~arg.base, thr2Thread3of3ForFork0_~arg.offset][5], [Black: 686#(and (<= 20 ~n~0) (<= thr2Thread3of3ForFork0_~t~0 1) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (<= ~x~0 2) (< ~n~0 40)), Black: 688#(and (<= 20 ~n~0) (<= thr2Thread3of3ForFork0_~t~0 1) (= thr2Thread1of3ForFork0_~t~0 0) (<= ~x~0 1) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (< ~n~0 40)), Black: 692#(and (<= 20 ~n~0) (<= thr2Thread3of3ForFork0_~t~0 1) (= thr2Thread1of3ForFork0_~t~0 0) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (<= ~x~0 2) (< ~n~0 40)), Black: 694#(and (<= 20 ~n~0) (<= thr2Thread3of3ForFork0_~t~0 1) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (< ~n~0 40)), Black: 696#(and (<= 20 ~n~0) (<= thr2Thread3of3ForFork0_~t~0 1) (= thr2Thread1of3ForFork0_~t~0 0) (<= ~x~0 2) (< ~n~0 40)), Black: 698#(and (<= 20 ~n~0) (<= thr2Thread3of3ForFork0_~t~0 1) (= thr2Thread1of3ForFork0_~t~0 0) (< ~n~0 40)), Black: 700#(and (<= 20 ~n~0) (<= thr2Thread3of3ForFork0_~t~0 1) (<= ~x~0 2) (< ~n~0 40)), Black: 702#(and (<= 20 ~n~0) (<= thr2Thread3of3ForFork0_~t~0 1) (= thr2Thread1of3ForFork0_~t~0 0) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (< ~n~0 40)), Black: 638#(and (= ULTIMATE.start_main_~i~0 0) (<= 20 ~n~0) (= thr2Thread1of3ForFork0_~t~0 0) (<= ~x~0 1) (< ~n~0 40)), Black: 512#(and (<= 20 ~n~0) (<= thr2Thread3of3ForFork0_~t~0 0) (< ~n~0 40)), Black: 530#(and (<= 20 ~n~0) (<= ~x~0 1) (<= thr2Thread3of3ForFork0_~t~0 0) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (< ~n~0 40)), Black: 145#(and (not (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 0)) (= thr2Thread1of3ForFork0_~t~0 0) (<= 1 ~n~0) (<= ~x~0 ~n~0)), Black: 516#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40)), Black: 129#(and (= thr2Thread1of3ForFork0_~t~0 0) (<= 1 ~n~0)), Black: 532#(and (<= 20 ~n~0) (<= ~x~0 1) (<= thr2Thread3of3ForFork0_~t~0 0) (< ~n~0 40)), Black: 133#(and (= ~x~0 0) (= ULTIMATE.start_main_~i~0 0) (<= 1 ~n~0)), Black: 534#(and (<= 20 ~n~0) (<= thr2Thread3of3ForFork0_~t~0 0) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (< ~n~0 40)), Black: 151#(and (not (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 0)) (= thr2Thread1of3ForFork0_~t~0 0) (<= 1 ~n~0)), Black: 457#(and (<= 20 ~n~0) (<= ~x~0 0) (< ~n~0 40)), Black: 137#(and (= ~x~0 0) (= ULTIMATE.start_main_~i~0 0) (not (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 0)) (<= 1 ~n~0)), Black: 522#(and (<= 20 ~n~0) (<= ~x~0 0) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (< ~n~0 40)), Black: 139#(and (= ~x~0 0) (= ULTIMATE.start_main_~i~0 0) (= thr2Thread1of3ForFork0_~t~0 0) (<= 1 ~n~0)), Black: 524#(and (<= 20 ~n~0) (<= ~x~0 1) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (< ~n~0 40)), Black: 124#true, Black: 141#(and (= ~x~0 0) (= ULTIMATE.start_main_~i~0 0) (not (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 0)) (= thr2Thread1of3ForFork0_~t~0 0) (<= 1 ~n~0)), Black: 143#(and (= thr2Thread1of3ForFork0_~t~0 0) (<= 1 ~n~0) (<= ~x~0 ~n~0)), 33#L698true, 684#(and (= ~x~0 0) (<= 20 ~n~0) (<= thr2Thread3of3ForFork0_~t~0 1) (= thr2Thread1of3ForFork0_~t~0 0) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (< ~n~0 40)), 46#thr2ENTRYtrue, Black: 433#(and (<= 20 ~n~0) (<= ~x~0 2) (< ~n~0 40) (<= thr2Thread1of3ForFork0_~t~0 1)), Black: 435#(and (<= 20 ~n~0) (<= ~x~0 1) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (< ~n~0 40)), Black: 437#(and (<= 20 ~n~0) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (< ~n~0 40) (<= thr2Thread1of3ForFork0_~t~0 1)), Black: 407#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40)), Black: 411#(and (<= 20 ~n~0) (< ~n~0 40) (<= thr2Thread1of3ForFork0_~t~0 1)), Black: 431#(and (<= 20 ~n~0) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (<= ~x~0 2) (< ~n~0 40) (<= thr2Thread1of3ForFork0_~t~0 1)), 318#(and (<= 20 ~n~0) (<= ~x~0 0) (<= thr2Thread1of3ForFork0_~t~0 0) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (< ~n~0 40)), 72#L708-2true, 860#(and (<= 20 ~n~0) (<= ~x~0 0) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (< ~n~0 40)), 94#L698true, Black: 704#(and (<= 20 ~n~0) (<= thr2Thread3of3ForFork0_~t~0 1) (= thr2Thread1of3ForFork0_~t~0 0) (<= ~x~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0)), 97#L689true, Black: 642#(and (= ~x~0 0) (<= 20 ~n~0) (= thr2Thread1of3ForFork0_~t~0 0) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0)), Black: 708#(and (<= 20 ~n~0) (<= thr2Thread3of3ForFork0_~t~0 1) (not (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 0)) (= thr2Thread1of3ForFork0_~t~0 0) (< ~n~0 40)), Black: 320#(and (<= 20 ~n~0) (<= thr2Thread1of3ForFork0_~t~0 0) (<= ~x~0 1) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (< ~n~0 40)), thr2Thread1of3ForFork0InUse, Black: 340#(and (<= 20 ~n~0) (<= thr2Thread1of3ForFork0_~t~0 0) (<= thr2Thread2of3ForFork0_~t~0 1) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (<= ~x~0 2) (< ~n~0 40)), Black: 644#(and (= ULTIMATE.start_main_~i~0 0) (<= 20 ~n~0) (= thr2Thread1of3ForFork0_~t~0 0) (<= ~x~0 1) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (< ~n~0 40)), Black: 710#(and (<= 20 ~n~0) (<= thr2Thread3of3ForFork0_~t~0 1) (not (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 0)) (< ~n~0 40)), Black: 342#(and (<= 20 ~n~0) (<= thr2Thread1of3ForFork0_~t~0 0) (<= thr2Thread2of3ForFork0_~t~0 1) (<= ~x~0 2) (< ~n~0 40)), Black: 646#(and (= ~x~0 0) (<= 20 ~n~0) (= thr2Thread1of3ForFork0_~t~0 0) (< ~n~0 40)), Black: 314#(and (<= 20 ~n~0) (<= thr2Thread1of3ForFork0_~t~0 0) (<= ~x~0 1) (< ~n~0 40)), thr2Thread2of3ForFork0InUse, Black: 348#(and (<= 20 ~n~0) (<= thr2Thread1of3ForFork0_~t~0 0) (<= thr2Thread2of3ForFork0_~t~0 1) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (< ~n~0 40)), Black: 648#(and (= ~x~0 0) (<= 20 ~n~0) (= thr2Thread1of3ForFork0_~t~0 0) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (< ~n~0 40)), Black: 350#(and (<= 20 ~n~0) (<= thr2Thread1of3ForFork0_~t~0 0) (<= thr2Thread2of3ForFork0_~t~0 1) (< ~n~0 40)), thr2Thread3of3ForFork0InUse, Black: 650#(and (= ~x~0 0) (<= 20 ~n~0) (= thr2Thread1of3ForFork0_~t~0 0) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0)), thr1Thread1of3ForFork1InUse, Black: 652#(and (<= 20 ~n~0) (= thr2Thread1of3ForFork0_~t~0 0) (<= ~x~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0)), Black: 716#(and (<= 20 ~n~0) (<= thr2Thread3of3ForFork0_~t~0 1) (not (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 0)) (= thr2Thread1of3ForFork0_~t~0 0) (<= ~x~0 1) (< ~n~0 40)), Black: 654#(and (<= 20 ~n~0) (= thr2Thread1of3ForFork0_~t~0 0) (<= ~x~0 1) (< ~n~0 40)), Black: 720#(and (<= 20 ~n~0) (<= thr2Thread3of3ForFork0_~t~0 1) (= thr2Thread1of3ForFork0_~t~0 0) (<= ~x~0 2) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0)), Black: 656#(and (<= 20 ~n~0) (= thr2Thread1of3ForFork0_~t~0 0) (<= ~x~0 1) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (< ~n~0 40)), Black: 850#(and (<= 20 ~n~0) (<= thr2Thread2of3ForFork0_~t~0 1) (< ~n~0 40)), Black: 722#(and (<= 20 ~n~0) (<= thr2Thread3of3ForFork0_~t~0 1) (= thr2Thread1of3ForFork0_~t~0 0) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0)), Black: 870#(and (<= 20 ~n~0) (<= thr2Thread2of3ForFork0_~t~0 1) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (<= ~x~0 2) (< ~n~0 40)), Black: 214#(and (<= 20 ~n~0) (<= thr2Thread2of3ForFork0_~t~0 0) (< ~n~0 40)), Black: 874#(and (<= 20 ~n~0) (<= thr2Thread2of3ForFork0_~t~0 1) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (< ~n~0 40)), Black: 658#(and (<= 20 ~n~0) (= thr2Thread1of3ForFork0_~t~0 0) (<= ~x~0 1) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0)), Black: 232#(and (<= 20 ~n~0) (<= thr2Thread2of3ForFork0_~t~0 0) (<= ~x~0 1) (< ~n~0 40)), Black: 660#(and (<= 20 ~n~0) (<= ~x~0 1) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (< ~n~0 40)), Black: 876#(and (<= 20 ~n~0) (<= thr2Thread2of3ForFork0_~t~0 1) (<= ~x~0 2) (< ~n~0 40)), Black: 724#(and (<= 20 ~n~0) (<= thr2Thread3of3ForFork0_~t~0 1) (not (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 0)) (= thr2Thread1of3ForFork0_~t~0 0) (<= ~x~0 2) (< ~n~0 40)), Black: 846#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40)), Black: 234#(and (<= 20 ~n~0) (<= thr2Thread2of3ForFork0_~t~0 0) (<= ~x~0 1) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (< ~n~0 40)), Black: 662#(and (<= 20 ~n~0) (= thr2Thread1of3ForFork0_~t~0 0) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (< ~n~0 40)), Black: 862#(and (<= 20 ~n~0) (<= ~x~0 1) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (< ~n~0 40)), Black: 236#(and (<= 20 ~n~0) (<= thr2Thread2of3ForFork0_~t~0 0) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (< ~n~0 40)), Black: 174#(and (<= 20 ~n~0) (<= ~x~0 0) (< ~n~0 40)), Black: 664#(and (<= 20 ~n~0) (= thr2Thread1of3ForFork0_~t~0 0) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0)), Black: 666#(and (<= 20 ~n~0) (= thr2Thread1of3ForFork0_~t~0 0) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0)), Black: 668#(and (<= 20 ~n~0) (= thr2Thread1of3ForFork0_~t~0 0) (< ~n~0 40)), Black: 114#(and (= ~x~0 0) (<= 20 ~n~0)), Black: 670#(and (<= 20 ~n~0) (not (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 0)) (= thr2Thread1of3ForFork0_~t~0 0) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0)), Black: 115#(not (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 0)), Black: 672#(and (<= 20 ~n~0) (not (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 0)) (= thr2Thread1of3ForFork0_~t~0 0) (< ~n~0 40)), Black: 544#true, Black: 676#(and (<= 20 ~n~0) (<= thr2Thread3of3ForFork0_~t~0 1) (= thr2Thread1of3ForFork0_~t~0 0) (<= ~x~0 1) (< ~n~0 40)), Black: 614#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40)), Black: 678#(and (= ~x~0 0) (<= 20 ~n~0) (<= thr2Thread3of3ForFork0_~t~0 1) (= thr2Thread1of3ForFork0_~t~0 0) (< ~n~0 40)), Black: 618#(and (<= 20 ~n~0) (<= thr2Thread3of3ForFork0_~t~0 1) (< ~n~0 40))]) [2021-03-25 06:06:47,381 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-03-25 06:06:47,381 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2021-03-25 06:06:47,381 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-03-25 06:06:47,382 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-03-25 06:06:47,386 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([540] thr2ENTRY-->L698: Formula: (and (= v_thr2Thread3of3ForFork0_~arg.base_7 |v_thr2Thread3of3ForFork0_#in~arg.base_7|) (= v_thr2Thread3of3ForFork0_~t~0_13 v_~x~0_120) (= v_thr2Thread3of3ForFork0_~arg.offset_7 |v_thr2Thread3of3ForFork0_#in~arg.offset_7|)) InVars {thr2Thread3of3ForFork0_#in~arg.base=|v_thr2Thread3of3ForFork0_#in~arg.base_7|, thr2Thread3of3ForFork0_#in~arg.offset=|v_thr2Thread3of3ForFork0_#in~arg.offset_7|, ~x~0=v_~x~0_120} OutVars{thr2Thread3of3ForFork0_#in~arg.base=|v_thr2Thread3of3ForFork0_#in~arg.base_7|, thr2Thread3of3ForFork0_#in~arg.offset=|v_thr2Thread3of3ForFork0_#in~arg.offset_7|, thr2Thread3of3ForFork0_~t~0=v_thr2Thread3of3ForFork0_~t~0_13, ~x~0=v_~x~0_120, thr2Thread3of3ForFork0_~arg.base=v_thr2Thread3of3ForFork0_~arg.base_7, thr2Thread3of3ForFork0_~arg.offset=v_thr2Thread3of3ForFork0_~arg.offset_7} AuxVars[] AssignedVars[thr2Thread3of3ForFork0_~t~0, thr2Thread3of3ForFork0_~arg.base, thr2Thread3of3ForFork0_~arg.offset][9], [Black: 684#(and (= ~x~0 0) (<= 20 ~n~0) (<= thr2Thread3of3ForFork0_~t~0 1) (= thr2Thread1of3ForFork0_~t~0 0) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (< ~n~0 40)), Black: 686#(and (<= 20 ~n~0) (<= thr2Thread3of3ForFork0_~t~0 1) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (<= ~x~0 2) (< ~n~0 40)), Black: 692#(and (<= 20 ~n~0) (<= thr2Thread3of3ForFork0_~t~0 1) (= thr2Thread1of3ForFork0_~t~0 0) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (<= ~x~0 2) (< ~n~0 40)), Black: 694#(and (<= 20 ~n~0) (<= thr2Thread3of3ForFork0_~t~0 1) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (< ~n~0 40)), Black: 696#(and (<= 20 ~n~0) (<= thr2Thread3of3ForFork0_~t~0 1) (= thr2Thread1of3ForFork0_~t~0 0) (<= ~x~0 2) (< ~n~0 40)), Black: 698#(and (<= 20 ~n~0) (<= thr2Thread3of3ForFork0_~t~0 1) (= thr2Thread1of3ForFork0_~t~0 0) (< ~n~0 40)), Black: 700#(and (<= 20 ~n~0) (<= thr2Thread3of3ForFork0_~t~0 1) (<= ~x~0 2) (< ~n~0 40)), 520#(= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1), Black: 702#(and (<= 20 ~n~0) (<= thr2Thread3of3ForFork0_~t~0 1) (= thr2Thread1of3ForFork0_~t~0 0) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (< ~n~0 40)), Black: 638#(and (= ULTIMATE.start_main_~i~0 0) (<= 20 ~n~0) (= thr2Thread1of3ForFork0_~t~0 0) (<= ~x~0 1) (< ~n~0 40)), 145#(and (not (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 0)) (= thr2Thread1of3ForFork0_~t~0 0) (<= 1 ~n~0) (<= ~x~0 ~n~0)), Black: 512#(and (<= 20 ~n~0) (<= thr2Thread3of3ForFork0_~t~0 0) (< ~n~0 40)), Black: 530#(and (<= 20 ~n~0) (<= ~x~0 1) (<= thr2Thread3of3ForFork0_~t~0 0) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (< ~n~0 40)), Black: 516#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40)), Black: 129#(and (= thr2Thread1of3ForFork0_~t~0 0) (<= 1 ~n~0)), Black: 532#(and (<= 20 ~n~0) (<= ~x~0 1) (<= thr2Thread3of3ForFork0_~t~0 0) (< ~n~0 40)), Black: 133#(and (= ~x~0 0) (= ULTIMATE.start_main_~i~0 0) (<= 1 ~n~0)), Black: 534#(and (<= 20 ~n~0) (<= thr2Thread3of3ForFork0_~t~0 0) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (< ~n~0 40)), Black: 151#(and (not (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 0)) (= thr2Thread1of3ForFork0_~t~0 0) (<= 1 ~n~0)), Black: 457#(and (<= 20 ~n~0) (<= ~x~0 0) (< ~n~0 40)), Black: 137#(and (= ~x~0 0) (= ULTIMATE.start_main_~i~0 0) (not (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 0)) (<= 1 ~n~0)), Black: 522#(and (<= 20 ~n~0) (<= ~x~0 0) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (< ~n~0 40)), Black: 139#(and (= ~x~0 0) (= ULTIMATE.start_main_~i~0 0) (= thr2Thread1of3ForFork0_~t~0 0) (<= 1 ~n~0)), Black: 524#(and (<= 20 ~n~0) (<= ~x~0 1) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (< ~n~0 40)), Black: 124#true, Black: 141#(and (= ~x~0 0) (= ULTIMATE.start_main_~i~0 0) (not (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 0)) (= thr2Thread1of3ForFork0_~t~0 0) (<= 1 ~n~0)), Black: 143#(and (= thr2Thread1of3ForFork0_~t~0 0) (<= 1 ~n~0) (<= ~x~0 ~n~0)), 46#thr2ENTRYtrue, 431#(and (<= 20 ~n~0) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (<= ~x~0 2) (< ~n~0 40) (<= thr2Thread1of3ForFork0_~t~0 1)), 688#(and (<= 20 ~n~0) (<= thr2Thread3of3ForFork0_~t~0 1) (= thr2Thread1of3ForFork0_~t~0 0) (<= ~x~0 1) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (< ~n~0 40)), Black: 433#(and (<= 20 ~n~0) (<= ~x~0 2) (< ~n~0 40) (<= thr2Thread1of3ForFork0_~t~0 1)), Black: 435#(and (<= 20 ~n~0) (<= ~x~0 1) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (< ~n~0 40)), Black: 437#(and (<= 20 ~n~0) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (< ~n~0 40) (<= thr2Thread1of3ForFork0_~t~0 1)), Black: 407#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40)), Black: 411#(and (<= 20 ~n~0) (< ~n~0 40) (<= thr2Thread1of3ForFork0_~t~0 1)), 60#thr2EXITtrue, 320#(and (<= 20 ~n~0) (<= thr2Thread1of3ForFork0_~t~0 0) (<= ~x~0 1) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (< ~n~0 40)), 72#L708-2true, 858#(= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1), 222#(= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1), 94#L698true, Black: 704#(and (<= 20 ~n~0) (<= thr2Thread3of3ForFork0_~t~0 1) (= thr2Thread1of3ForFork0_~t~0 0) (<= ~x~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0)), 97#L689true, Black: 642#(and (= ~x~0 0) (<= 20 ~n~0) (= thr2Thread1of3ForFork0_~t~0 0) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0)), Black: 708#(and (<= 20 ~n~0) (<= thr2Thread3of3ForFork0_~t~0 1) (not (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 0)) (= thr2Thread1of3ForFork0_~t~0 0) (< ~n~0 40)), thr2Thread1of3ForFork0InUse, Black: 644#(and (= ULTIMATE.start_main_~i~0 0) (<= 20 ~n~0) (= thr2Thread1of3ForFork0_~t~0 0) (<= ~x~0 1) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (< ~n~0 40)), Black: 340#(and (<= 20 ~n~0) (<= thr2Thread1of3ForFork0_~t~0 0) (<= thr2Thread2of3ForFork0_~t~0 1) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (<= ~x~0 2) (< ~n~0 40)), Black: 710#(and (<= 20 ~n~0) (<= thr2Thread3of3ForFork0_~t~0 1) (not (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 0)) (< ~n~0 40)), Black: 342#(and (<= 20 ~n~0) (<= thr2Thread1of3ForFork0_~t~0 0) (<= thr2Thread2of3ForFork0_~t~0 1) (<= ~x~0 2) (< ~n~0 40)), Black: 646#(and (= ~x~0 0) (<= 20 ~n~0) (= thr2Thread1of3ForFork0_~t~0 0) (< ~n~0 40)), Black: 314#(and (<= 20 ~n~0) (<= thr2Thread1of3ForFork0_~t~0 0) (<= ~x~0 1) (< ~n~0 40)), thr2Thread2of3ForFork0InUse, Black: 648#(and (= ~x~0 0) (<= 20 ~n~0) (= thr2Thread1of3ForFork0_~t~0 0) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (< ~n~0 40)), Black: 348#(and (<= 20 ~n~0) (<= thr2Thread1of3ForFork0_~t~0 0) (<= thr2Thread2of3ForFork0_~t~0 1) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (< ~n~0 40)), Black: 350#(and (<= 20 ~n~0) (<= thr2Thread1of3ForFork0_~t~0 0) (<= thr2Thread2of3ForFork0_~t~0 1) (< ~n~0 40)), thr2Thread3of3ForFork0InUse, Black: 650#(and (= ~x~0 0) (<= 20 ~n~0) (= thr2Thread1of3ForFork0_~t~0 0) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0)), Black: 652#(and (<= 20 ~n~0) (= thr2Thread1of3ForFork0_~t~0 0) (<= ~x~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0)), thr1Thread1of3ForFork1InUse, Black: 716#(and (<= 20 ~n~0) (<= thr2Thread3of3ForFork0_~t~0 1) (not (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 0)) (= thr2Thread1of3ForFork0_~t~0 0) (<= ~x~0 1) (< ~n~0 40)), Black: 654#(and (<= 20 ~n~0) (= thr2Thread1of3ForFork0_~t~0 0) (<= ~x~0 1) (< ~n~0 40)), Black: 720#(and (<= 20 ~n~0) (<= thr2Thread3of3ForFork0_~t~0 1) (= thr2Thread1of3ForFork0_~t~0 0) (<= ~x~0 2) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0)), Black: 224#(and (<= 20 ~n~0) (<= ~x~0 0) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (< ~n~0 40)), Black: 656#(and (<= 20 ~n~0) (= thr2Thread1of3ForFork0_~t~0 0) (<= ~x~0 1) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (< ~n~0 40)), Black: 850#(and (<= 20 ~n~0) (<= thr2Thread2of3ForFork0_~t~0 1) (< ~n~0 40)), Black: 722#(and (<= 20 ~n~0) (<= thr2Thread3of3ForFork0_~t~0 1) (= thr2Thread1of3ForFork0_~t~0 0) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0)), Black: 870#(and (<= 20 ~n~0) (<= thr2Thread2of3ForFork0_~t~0 1) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (<= ~x~0 2) (< ~n~0 40)), Black: 214#(and (<= 20 ~n~0) (<= thr2Thread2of3ForFork0_~t~0 0) (< ~n~0 40)), Black: 658#(and (<= 20 ~n~0) (= thr2Thread1of3ForFork0_~t~0 0) (<= ~x~0 1) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0)), Black: 874#(and (<= 20 ~n~0) (<= thr2Thread2of3ForFork0_~t~0 1) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (< ~n~0 40)), Black: 232#(and (<= 20 ~n~0) (<= thr2Thread2of3ForFork0_~t~0 0) (<= ~x~0 1) (< ~n~0 40)), Black: 660#(and (<= 20 ~n~0) (<= ~x~0 1) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (< ~n~0 40)), Black: 876#(and (<= 20 ~n~0) (<= thr2Thread2of3ForFork0_~t~0 1) (<= ~x~0 2) (< ~n~0 40)), Black: 724#(and (<= 20 ~n~0) (<= thr2Thread3of3ForFork0_~t~0 1) (not (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 0)) (= thr2Thread1of3ForFork0_~t~0 0) (<= ~x~0 2) (< ~n~0 40)), Black: 846#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40)), 115#(not (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 0)), Black: 234#(and (<= 20 ~n~0) (<= thr2Thread2of3ForFork0_~t~0 0) (<= ~x~0 1) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (< ~n~0 40)), Black: 662#(and (<= 20 ~n~0) (= thr2Thread1of3ForFork0_~t~0 0) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (< ~n~0 40)), Black: 862#(and (<= 20 ~n~0) (<= ~x~0 1) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (< ~n~0 40)), Black: 236#(and (<= 20 ~n~0) (<= thr2Thread2of3ForFork0_~t~0 0) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (< ~n~0 40)), Black: 174#(and (<= 20 ~n~0) (<= ~x~0 0) (< ~n~0 40)), Black: 664#(and (<= 20 ~n~0) (= thr2Thread1of3ForFork0_~t~0 0) (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0)), Black: 666#(and (<= 20 ~n~0) (= thr2Thread1of3ForFork0_~t~0 0) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0)), Black: 668#(and (<= 20 ~n~0) (= thr2Thread1of3ForFork0_~t~0 0) (< ~n~0 40)), Black: 114#(and (= ~x~0 0) (<= 20 ~n~0)), Black: 670#(and (<= 20 ~n~0) (not (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 0)) (= thr2Thread1of3ForFork0_~t~0 0) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0)), Black: 672#(and (<= 20 ~n~0) (not (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 0)) (= thr2Thread1of3ForFork0_~t~0 0) (< ~n~0 40)), Black: 119#(and (= ~x~0 0) (<= 20 ~n~0) (not (= |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| 0))), Black: 544#true, Black: 676#(and (<= 20 ~n~0) (<= thr2Thread3of3ForFork0_~t~0 1) (= thr2Thread1of3ForFork0_~t~0 0) (<= ~x~0 1) (< ~n~0 40)), Black: 614#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40)), Black: 678#(and (= ~x~0 0) (<= 20 ~n~0) (<= thr2Thread3of3ForFork0_~t~0 1) (= thr2Thread1of3ForFork0_~t~0 0) (< ~n~0 40)), Black: 618#(and (<= 20 ~n~0) (<= thr2Thread3of3ForFork0_~t~0 1) (< ~n~0 40))]) [2021-03-25 06:06:47,386 INFO L384 tUnfolder$Statistics]: this new event has 19 ancestors and is not cut-off event [2021-03-25 06:06:47,386 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is not cut-off event [2021-03-25 06:06:47,386 INFO L387 tUnfolder$Statistics]: existing Event has 22 ancestors and is not cut-off event [2021-03-25 06:06:47,386 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is not cut-off event [2021-03-25 06:06:47,605 INFO L129 PetriNetUnfolder]: 445/2032 cut-off events. [2021-03-25 06:06:47,605 INFO L130 PetriNetUnfolder]: For 68395/73292 co-relation queries the response was YES. [2021-03-25 06:06:47,621 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16427 conditions, 2032 events. 445/2032 cut-off events. For 68395/73292 co-relation queries the response was YES. Maximal size of possible extension queue 244. Compared 21222 event pairs, 149 based on Foata normal form. 197/2017 useless extension candidates. Maximal degree in co-relation 16329. Up to 619 conditions per place. [2021-03-25 06:06:47,644 INFO L142 LiptonReduction]: Number of co-enabled transitions 5288 [2021-03-25 06:06:47,879 INFO L154 LiptonReduction]: Checked pairs total: 3276 [2021-03-25 06:06:47,879 INFO L156 LiptonReduction]: Total number of compositions: 10 [2021-03-25 06:06:47,880 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 590 [2021-03-25 06:06:47,880 INFO L480 AbstractCegarLoop]: Abstraction has has 237 places, 382 transitions, 6712 flow [2021-03-25 06:06:47,880 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 109.42857142857143) internal successors, (766), 7 states have internal predecessors, (766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:47,880 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 06:06:47,880 INFO L263 CegarLoopForPetriNet]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 06:06:48,092 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-03-25 06:06:48,093 INFO L428 AbstractCegarLoop]: === Iteration 9 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 06:06:48,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 06:06:48,093 INFO L82 PathProgramCache]: Analyzing trace with hash 1042138864, now seen corresponding path program 1 times [2021-03-25 06:06:48,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 06:06:48,093 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682555809] [2021-03-25 06:06:48,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 06:06:48,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 06:06:48,127 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 06:06:48,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 06:06:48,143 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 06:06:48,159 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-25 06:06:48,160 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-25 06:06:48,160 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-03-25 06:06:48,160 WARN L342 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2021-03-25 06:06:48,160 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2021-03-25 06:06:48,179 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,180 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,180 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,180 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,180 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,180 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,180 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,180 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,180 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,180 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,180 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,180 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,180 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,181 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,181 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,181 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,181 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,181 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,181 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,181 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,181 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,181 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,181 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,181 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,181 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,181 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,181 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,181 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,182 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,182 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,182 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,182 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,182 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,182 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,182 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,182 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,182 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,182 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,182 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,182 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,182 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,182 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,183 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,183 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,183 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,183 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,183 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,183 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,183 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,183 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,183 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,183 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,183 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,183 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,183 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,183 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,184 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,184 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,184 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,184 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,184 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,185 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,185 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,185 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,185 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,185 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,185 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,185 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,185 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,185 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,185 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,185 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,185 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,185 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,185 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,186 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,186 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,187 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,187 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,187 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,187 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,187 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,187 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,187 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,187 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,187 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,187 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,187 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,187 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,187 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,187 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,187 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,188 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,188 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,188 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,188 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,192 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,192 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,193 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,193 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,193 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,193 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,193 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,193 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,193 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,193 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,193 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,193 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,193 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,193 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,193 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,194 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,194 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,194 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,194 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,194 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,194 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,194 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,194 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,194 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,194 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,194 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,194 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,194 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,194 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,195 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,195 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,195 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,195 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,195 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,195 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,195 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,195 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,195 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,195 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,195 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,196 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,196 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,196 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,196 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,196 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,197 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,197 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,197 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,197 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,197 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,199 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,199 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,199 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,199 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,199 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,200 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,200 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,200 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,200 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,200 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,201 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,201 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,201 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,201 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,201 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,201 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,202 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,202 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,203 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,203 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,203 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,203 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,205 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,205 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,205 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,205 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,205 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,206 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,206 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,206 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,206 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,206 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,206 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 06:06:48,207 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-25 06:06:48,207 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-03-25 06:06:48,208 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 06:06:48,208 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 06:06:48,208 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 06:06:48,208 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 06:06:48,208 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 06:06:48,208 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 06:06:48,208 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 06:06:48,208 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 06:06:48,210 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 126 places, 114 transitions, 292 flow [2021-03-25 06:06:48,216 INFO L129 PetriNetUnfolder]: 7/136 cut-off events. [2021-03-25 06:06:48,216 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-25 06:06:48,217 INFO L84 FinitePrefix]: Finished finitePrefix Result has 165 conditions, 136 events. 7/136 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 207 event pairs, 0 based on Foata normal form. 0/123 useless extension candidates. Maximal degree in co-relation 156. Up to 10 conditions per place. [2021-03-25 06:06:48,217 INFO L82 GeneralOperation]: Start removeDead. Operand has 126 places, 114 transitions, 292 flow [2021-03-25 06:06:48,218 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 89 places, 80 transitions, 195 flow [2021-03-25 06:06:48,218 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 06:06:48,218 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 89 places, 80 transitions, 195 flow [2021-03-25 06:06:48,218 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 89 places, 80 transitions, 195 flow [2021-03-25 06:06:48,219 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 89 places, 80 transitions, 195 flow [2021-03-25 06:06:48,227 INFO L129 PetriNetUnfolder]: 7/136 cut-off events. [2021-03-25 06:06:48,227 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-25 06:06:48,228 INFO L84 FinitePrefix]: Finished finitePrefix Result has 162 conditions, 136 events. 7/136 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 216 event pairs, 0 based on Foata normal form. 0/123 useless extension candidates. Maximal degree in co-relation 126. Up to 10 conditions per place. [2021-03-25 06:06:48,229 INFO L142 LiptonReduction]: Number of co-enabled transitions 1840 [2021-03-25 06:06:49,257 INFO L154 LiptonReduction]: Checked pairs total: 1538 [2021-03-25 06:06:49,257 INFO L156 LiptonReduction]: Total number of compositions: 53 [2021-03-25 06:06:49,257 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1039 [2021-03-25 06:06:49,258 INFO L129 PetriNetUnfolder]: 1/13 cut-off events. [2021-03-25 06:06:49,258 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 06:06:49,259 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 06:06:49,259 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 06:06:49,259 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-25 06:06:49,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 06:06:49,259 INFO L82 PathProgramCache]: Analyzing trace with hash 1275912369, now seen corresponding path program 1 times [2021-03-25 06:06:49,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 06:06:49,259 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030305417] [2021-03-25 06:06:49,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 06:06:49,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 06:06:49,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:49,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 06:06:49,278 INFO L142 QuantifierPusher]: treesize reduction 9, result has 52.6 percent of original size [2021-03-25 06:06:49,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:49,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:49,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 06:06:49,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:49,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:49,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:49,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 06:06:49,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 06:06:49,303 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030305417] [2021-03-25 06:06:49,303 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 06:06:49,303 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 06:06:49,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817327789] [2021-03-25 06:06:49,304 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 06:06:49,304 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 06:06:49,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 06:06:49,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-25 06:06:49,305 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 167 [2021-03-25 06:06:49,305 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 35 transitions, 105 flow. Second operand has 6 states, 6 states have (on average 101.33333333333333) internal successors, (608), 6 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:49,305 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 06:06:49,305 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 167 [2021-03-25 06:06:49,306 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 06:06:49,674 INFO L129 PetriNetUnfolder]: 4378/6328 cut-off events. [2021-03-25 06:06:49,674 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-25 06:06:49,684 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12442 conditions, 6328 events. 4378/6328 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 791. Compared 42425 event pairs, 652 based on Foata normal form. 323/5392 useless extension candidates. Maximal degree in co-relation 12420. Up to 3682 conditions per place. [2021-03-25 06:06:49,698 INFO L132 encePairwiseOnDemand]: 156/167 looper letters, 36 selfloop transitions, 13 changer transitions 2/65 dead transitions. [2021-03-25 06:06:49,698 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 65 transitions, 267 flow [2021-03-25 06:06:49,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 06:06:49,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 06:06:49,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 754 transitions. [2021-03-25 06:06:49,699 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6449957228400343 [2021-03-25 06:06:49,699 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 754 transitions. [2021-03-25 06:06:49,699 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 754 transitions. [2021-03-25 06:06:49,700 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 06:06:49,700 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 754 transitions. [2021-03-25 06:06:49,701 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 107.71428571428571) internal successors, (754), 7 states have internal predecessors, (754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:49,702 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 167.0) internal successors, (1336), 8 states have internal predecessors, (1336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:49,702 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 167.0) internal successors, (1336), 8 states have internal predecessors, (1336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:49,702 INFO L185 Difference]: Start difference. First operand has 46 places, 35 transitions, 105 flow. Second operand 7 states and 754 transitions. [2021-03-25 06:06:49,702 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 65 transitions, 267 flow [2021-03-25 06:06:49,703 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 65 transitions, 254 flow, removed 6 selfloop flow, removed 1 redundant places. [2021-03-25 06:06:49,703 INFO L241 Difference]: Finished difference. Result has 53 places, 43 transitions, 175 flow [2021-03-25 06:06:49,703 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=175, PETRI_PLACES=53, PETRI_TRANSITIONS=43} [2021-03-25 06:06:49,704 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 7 predicate places. [2021-03-25 06:06:49,704 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 06:06:49,704 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 43 transitions, 175 flow [2021-03-25 06:06:49,704 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 43 transitions, 175 flow [2021-03-25 06:06:49,704 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 43 transitions, 175 flow [2021-03-25 06:06:49,721 INFO L129 PetriNetUnfolder]: 135/288 cut-off events. [2021-03-25 06:06:49,721 INFO L130 PetriNetUnfolder]: For 155/1125 co-relation queries the response was YES. [2021-03-25 06:06:49,722 INFO L84 FinitePrefix]: Finished finitePrefix Result has 738 conditions, 288 events. 135/288 cut-off events. For 155/1125 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 1269 event pairs, 69 based on Foata normal form. 1/202 useless extension candidates. Maximal degree in co-relation 717. Up to 205 conditions per place. [2021-03-25 06:06:49,725 INFO L142 LiptonReduction]: Number of co-enabled transitions 638 [2021-03-25 06:06:50,248 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 94 [2021-03-25 06:06:50,566 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 94 [2021-03-25 06:06:51,027 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-03-25 06:06:51,031 INFO L154 LiptonReduction]: Checked pairs total: 930 [2021-03-25 06:06:51,031 INFO L156 LiptonReduction]: Total number of compositions: 8 [2021-03-25 06:06:51,031 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1327 [2021-03-25 06:06:51,031 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 36 transitions, 153 flow [2021-03-25 06:06:51,031 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 101.33333333333333) internal successors, (608), 6 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:51,031 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 06:06:51,031 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 06:06:51,032 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-03-25 06:06:51,032 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-25 06:06:51,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 06:06:51,032 INFO L82 PathProgramCache]: Analyzing trace with hash 1443400622, now seen corresponding path program 1 times [2021-03-25 06:06:51,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 06:06:51,032 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23837336] [2021-03-25 06:06:51,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 06:06:51,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 06:06:51,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:51,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 06:06:51,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:51,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:51,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:51,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:51,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:51,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:51,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:51,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:51,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:51,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:51,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:51,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 06:06:51,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 06:06:51,085 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23837336] [2021-03-25 06:06:51,086 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 06:06:51,086 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 06:06:51,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445671506] [2021-03-25 06:06:51,086 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 06:06:51,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 06:06:51,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 06:06:51,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-03-25 06:06:51,087 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 174 [2021-03-25 06:06:51,088 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 36 transitions, 153 flow. Second operand has 8 states, 8 states have (on average 96.625) internal successors, (773), 8 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:51,088 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 06:06:51,088 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 174 [2021-03-25 06:06:51,088 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 06:06:52,236 INFO L129 PetriNetUnfolder]: 10689/16164 cut-off events. [2021-03-25 06:06:52,236 INFO L130 PetriNetUnfolder]: For 7346/7346 co-relation queries the response was YES. [2021-03-25 06:06:52,267 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44601 conditions, 16164 events. 10689/16164 cut-off events. For 7346/7346 co-relation queries the response was YES. Maximal size of possible extension queue 959. Compared 111884 event pairs, 2201 based on Foata normal form. 306/14627 useless extension candidates. Maximal degree in co-relation 44584. Up to 6264 conditions per place. [2021-03-25 06:06:52,313 INFO L132 encePairwiseOnDemand]: 161/174 looper letters, 97 selfloop transitions, 41 changer transitions 5/151 dead transitions. [2021-03-25 06:06:52,313 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 151 transitions, 800 flow [2021-03-25 06:06:52,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 06:06:52,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 06:06:52,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1572 transitions. [2021-03-25 06:06:52,315 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6022988505747127 [2021-03-25 06:06:52,315 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1572 transitions. [2021-03-25 06:06:52,315 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1572 transitions. [2021-03-25 06:06:52,316 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 06:06:52,316 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1572 transitions. [2021-03-25 06:06:52,318 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 104.8) internal successors, (1572), 15 states have internal predecessors, (1572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:52,320 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 174.0) internal successors, (2784), 16 states have internal predecessors, (2784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:52,320 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 174.0) internal successors, (2784), 16 states have internal predecessors, (2784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:52,320 INFO L185 Difference]: Start difference. First operand has 45 places, 36 transitions, 153 flow. Second operand 15 states and 1572 transitions. [2021-03-25 06:06:52,321 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 151 transitions, 800 flow [2021-03-25 06:06:52,392 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 151 transitions, 777 flow, removed 3 selfloop flow, removed 2 redundant places. [2021-03-25 06:06:52,393 INFO L241 Difference]: Finished difference. Result has 65 places, 67 transitions, 440 flow [2021-03-25 06:06:52,394 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=142, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=440, PETRI_PLACES=65, PETRI_TRANSITIONS=67} [2021-03-25 06:06:52,394 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 19 predicate places. [2021-03-25 06:06:52,394 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 06:06:52,394 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 67 transitions, 440 flow [2021-03-25 06:06:52,394 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 67 transitions, 440 flow [2021-03-25 06:06:52,394 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 67 transitions, 440 flow [2021-03-25 06:06:52,432 INFO L129 PetriNetUnfolder]: 265/656 cut-off events. [2021-03-25 06:06:52,432 INFO L130 PetriNetUnfolder]: For 3418/15957 co-relation queries the response was YES. [2021-03-25 06:06:52,434 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2530 conditions, 656 events. 265/656 cut-off events. For 3418/15957 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 4097 event pairs, 106 based on Foata normal form. 1/508 useless extension candidates. Maximal degree in co-relation 2508. Up to 431 conditions per place. [2021-03-25 06:06:52,442 INFO L142 LiptonReduction]: Number of co-enabled transitions 1052 [2021-03-25 06:06:52,591 INFO L154 LiptonReduction]: Checked pairs total: 1926 [2021-03-25 06:06:52,592 INFO L156 LiptonReduction]: Total number of compositions: 5 [2021-03-25 06:06:52,592 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 198 [2021-03-25 06:06:52,592 INFO L480 AbstractCegarLoop]: Abstraction has has 65 places, 67 transitions, 442 flow [2021-03-25 06:06:52,593 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 96.625) internal successors, (773), 8 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:52,593 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 06:06:52,593 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 06:06:52,593 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-03-25 06:06:52,593 INFO L428 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-25 06:06:52,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 06:06:52,593 INFO L82 PathProgramCache]: Analyzing trace with hash -1044747711, now seen corresponding path program 1 times [2021-03-25 06:06:52,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 06:06:52,594 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944750188] [2021-03-25 06:06:52,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 06:06:52,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 06:06:52,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:52,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:52,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 06:06:52,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:52,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:52,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:52,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 06:06:52,655 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 06:06:52,655 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944750188] [2021-03-25 06:06:52,655 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [208520493] [2021-03-25 06:06:52,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 06:06:52,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 06:06:52,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-25 06:06:52,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 06:06:52,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 06:06:52,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 06:06:52,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:52,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:52,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:52,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:52,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:52,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:52,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:52,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:52,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:52,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:52,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:52,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:52,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:52,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:52,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:52,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:52,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:52,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:52,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:52,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:52,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:52,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:52,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:52,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:52,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:52,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:52,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:52,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:52,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:52,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:52,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:52,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:52,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:52,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:52,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:52,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:52,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:52,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:52,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:52,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:52,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:52,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:52,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:52,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:52,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:52,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:52,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:52,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:52,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:52,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:52,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 06:06:52,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:52,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:52,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 06:06:52,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:52,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:52,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 06:06:52,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,817 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:52,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 06:06:52,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 06:06:52,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:52,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:52,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 06:06:52,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:52,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 06:06:52,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 06:06:52,839 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size [2021-03-25 06:06:52,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:52,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,843 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 06:06:52,844 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:52,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 06:06:52,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 06:06:52,847 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 06:06:52,848 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:52,849 INFO L142 QuantifierPusher]: treesize reduction 15, result has 42.3 percent of original size [2021-03-25 06:06:52,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:52,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:52,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:52,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:52,858 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-03-25 06:06:52,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-25 06:06:52,859 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 11 [2021-03-25 06:06:52,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199636923] [2021-03-25 06:06:52,860 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 06:06:52,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 06:06:52,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 06:06:52,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-03-25 06:06:52,862 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 179 [2021-03-25 06:06:52,862 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 67 transitions, 442 flow. Second operand has 6 states, 6 states have (on average 107.33333333333333) internal successors, (644), 6 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:52,862 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 06:06:52,862 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 179 [2021-03-25 06:06:52,862 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 06:06:54,145 INFO L129 PetriNetUnfolder]: 9819/15298 cut-off events. [2021-03-25 06:06:54,145 INFO L130 PetriNetUnfolder]: For 26748/29534 co-relation queries the response was YES. [2021-03-25 06:06:54,187 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60308 conditions, 15298 events. 9819/15298 cut-off events. For 26748/29534 co-relation queries the response was YES. Maximal size of possible extension queue 2522. Compared 136014 event pairs, 1900 based on Foata normal form. 296/14055 useless extension candidates. Maximal degree in co-relation 60283. Up to 6654 conditions per place. [2021-03-25 06:06:54,226 INFO L132 encePairwiseOnDemand]: 167/179 looper letters, 112 selfloop transitions, 61 changer transitions 6/195 dead transitions. [2021-03-25 06:06:54,226 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 195 transitions, 1608 flow [2021-03-25 06:06:54,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 06:06:54,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 06:06:54,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1510 transitions. [2021-03-25 06:06:54,228 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6489041684572411 [2021-03-25 06:06:54,228 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1510 transitions. [2021-03-25 06:06:54,228 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1510 transitions. [2021-03-25 06:06:54,228 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 06:06:54,228 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1510 transitions. [2021-03-25 06:06:54,231 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 116.15384615384616) internal successors, (1510), 13 states have internal predecessors, (1510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:54,233 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 179.0) internal successors, (2506), 14 states have internal predecessors, (2506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:54,233 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 179.0) internal successors, (2506), 14 states have internal predecessors, (2506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:54,233 INFO L185 Difference]: Start difference. First operand has 65 places, 67 transitions, 442 flow. Second operand 13 states and 1510 transitions. [2021-03-25 06:06:54,233 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 195 transitions, 1608 flow [2021-03-25 06:06:54,398 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 195 transitions, 1473 flow, removed 48 selfloop flow, removed 2 redundant places. [2021-03-25 06:06:54,400 INFO L241 Difference]: Finished difference. Result has 83 places, 107 transitions, 932 flow [2021-03-25 06:06:54,400 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=393, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=932, PETRI_PLACES=83, PETRI_TRANSITIONS=107} [2021-03-25 06:06:54,400 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 37 predicate places. [2021-03-25 06:06:54,400 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 06:06:54,400 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 107 transitions, 932 flow [2021-03-25 06:06:54,400 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 107 transitions, 932 flow [2021-03-25 06:06:54,401 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 107 transitions, 932 flow [2021-03-25 06:06:54,491 INFO L129 PetriNetUnfolder]: 548/1262 cut-off events. [2021-03-25 06:06:54,492 INFO L130 PetriNetUnfolder]: For 31715/198137 co-relation queries the response was YES. [2021-03-25 06:06:54,497 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6887 conditions, 1262 events. 548/1262 cut-off events. For 31715/198137 co-relation queries the response was YES. Maximal size of possible extension queue 179. Compared 8999 event pairs, 169 based on Foata normal form. 8/946 useless extension candidates. Maximal degree in co-relation 6856. Up to 799 conditions per place. [2021-03-25 06:06:54,517 INFO L142 LiptonReduction]: Number of co-enabled transitions 1946 [2021-03-25 06:06:54,852 INFO L154 LiptonReduction]: Checked pairs total: 4695 [2021-03-25 06:06:54,853 INFO L156 LiptonReduction]: Total number of compositions: 8 [2021-03-25 06:06:54,853 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 453 [2021-03-25 06:06:54,853 INFO L480 AbstractCegarLoop]: Abstraction has has 83 places, 106 transitions, 924 flow [2021-03-25 06:06:54,853 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 107.33333333333333) internal successors, (644), 6 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:54,854 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 06:06:54,854 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 06:06:55,074 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2021-03-25 06:06:55,075 INFO L428 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-25 06:06:55,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 06:06:55,075 INFO L82 PathProgramCache]: Analyzing trace with hash 401679173, now seen corresponding path program 1 times [2021-03-25 06:06:55,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 06:06:55,075 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758886705] [2021-03-25 06:06:55,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 06:06:55,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 06:06:55,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:55,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:55,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:55,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:55,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:55,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 06:06:55,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 06:06:55,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:55,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 06:06:55,144 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 06:06:55,144 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758886705] [2021-03-25 06:06:55,144 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1509651222] [2021-03-25 06:06:55,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 06:06:55,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 06:06:55,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-25 06:06:55,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 06:06:55,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:55,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:55,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:55,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:55,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:55,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:55,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:55,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:55,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:55,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:55,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:55,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:55,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:55,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:55,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:55,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:55,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:55,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:55,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:55,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:55,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:55,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:55,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:55,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:55,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:55,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:55,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 06:06:55,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:55,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 06:06:55,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 06:06:55,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:55,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:55,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:55,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:55,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:55,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:55,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:55,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:55,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:55,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 06:06:55,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:55,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:55,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:55,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:55,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:55,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:55,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:55,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:55,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:55,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:55,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:55,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:55,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:55,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 06:06:55,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:55,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:55,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 06:06:55,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:55,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 06:06:55,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 06:06:55,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:55,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:55,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:06:55,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:55,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:55,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 06:06:55,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:55,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:55,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 06:06:55,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:55,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 06:06:55,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 06:06:55,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:55,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:06:55,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 06:06:55,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:55,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 06:06:55,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 06:06:55,356 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-25 06:06:55,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:55,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,360 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 06:06:55,361 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:55,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 06:06:55,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 06:06:55,366 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 06:06:55,366 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:06:55,367 INFO L142 QuantifierPusher]: treesize reduction 12, result has 40.0 percent of original size [2021-03-25 06:06:55,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:55,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:55,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:06:55,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:06:55,377 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 06:06:55,378 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 06:06:55,378 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 18 [2021-03-25 06:06:55,378 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119895331] [2021-03-25 06:06:55,379 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-25 06:06:55,379 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 06:06:55,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-25 06:06:55,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2021-03-25 06:06:55,381 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 186 [2021-03-25 06:06:55,382 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 106 transitions, 924 flow. Second operand has 20 states, 20 states have (on average 93.4) internal successors, (1868), 20 states have internal predecessors, (1868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:55,382 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 06:06:55,382 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 186 [2021-03-25 06:06:55,382 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 06:06:58,521 INFO L129 PetriNetUnfolder]: 17984/28211 cut-off events. [2021-03-25 06:06:58,521 INFO L130 PetriNetUnfolder]: For 118922/118922 co-relation queries the response was YES. [2021-03-25 06:06:58,707 INFO L84 FinitePrefix]: Finished finitePrefix Result has 134440 conditions, 28211 events. 17984/28211 cut-off events. For 118922/118922 co-relation queries the response was YES. Maximal size of possible extension queue 1930. Compared 228151 event pairs, 3363 based on Foata normal form. 90/27253 useless extension candidates. Maximal degree in co-relation 134406. Up to 8951 conditions per place. [2021-03-25 06:06:58,818 INFO L132 encePairwiseOnDemand]: 163/186 looper letters, 232 selfloop transitions, 176 changer transitions 33/448 dead transitions. [2021-03-25 06:06:58,818 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 448 transitions, 4038 flow [2021-03-25 06:06:58,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-03-25 06:06:58,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2021-03-25 06:06:58,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 3992 transitions. [2021-03-25 06:06:58,823 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5503170664460987 [2021-03-25 06:06:58,823 INFO L72 ComplementDD]: Start complementDD. Operand 39 states and 3992 transitions. [2021-03-25 06:06:58,823 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 3992 transitions. [2021-03-25 06:06:58,824 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 06:06:58,824 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 39 states and 3992 transitions. [2021-03-25 06:06:58,829 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 40 states, 39 states have (on average 102.35897435897436) internal successors, (3992), 39 states have internal predecessors, (3992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:58,834 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 40 states, 40 states have (on average 186.0) internal successors, (7440), 40 states have internal predecessors, (7440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:58,835 INFO L81 ComplementDD]: Finished complementDD. Result has 40 states, 40 states have (on average 186.0) internal successors, (7440), 40 states have internal predecessors, (7440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:06:58,835 INFO L185 Difference]: Start difference. First operand has 83 places, 106 transitions, 924 flow. Second operand 39 states and 3992 transitions. [2021-03-25 06:06:58,835 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 448 transitions, 4038 flow [2021-03-25 06:07:00,058 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 448 transitions, 3880 flow, removed 79 selfloop flow, removed 0 redundant places. [2021-03-25 06:07:00,062 INFO L241 Difference]: Finished difference. Result has 143 places, 204 transitions, 2370 flow [2021-03-25 06:07:00,062 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=874, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=78, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=39, PETRI_FLOW=2370, PETRI_PLACES=143, PETRI_TRANSITIONS=204} [2021-03-25 06:07:00,062 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 97 predicate places. [2021-03-25 06:07:00,062 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 06:07:00,062 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 143 places, 204 transitions, 2370 flow [2021-03-25 06:07:00,062 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 143 places, 204 transitions, 2370 flow [2021-03-25 06:07:00,063 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 143 places, 204 transitions, 2370 flow [2021-03-25 06:07:00,335 INFO L129 PetriNetUnfolder]: 1096/2731 cut-off events. [2021-03-25 06:07:00,335 INFO L130 PetriNetUnfolder]: For 36320/70822 co-relation queries the response was YES. [2021-03-25 06:07:00,363 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18235 conditions, 2731 events. 1096/2731 cut-off events. For 36320/70822 co-relation queries the response was YES. Maximal size of possible extension queue 255. Compared 22328 event pairs, 282 based on Foata normal form. 40/2385 useless extension candidates. Maximal degree in co-relation 18180. Up to 1469 conditions per place. [2021-03-25 06:07:00,403 INFO L142 LiptonReduction]: Number of co-enabled transitions 3304 [2021-03-25 06:07:01,995 INFO L154 LiptonReduction]: Checked pairs total: 20456 [2021-03-25 06:07:01,995 INFO L156 LiptonReduction]: Total number of compositions: 15 [2021-03-25 06:07:01,995 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1933 [2021-03-25 06:07:01,996 INFO L480 AbstractCegarLoop]: Abstraction has has 143 places, 201 transitions, 2336 flow [2021-03-25 06:07:01,996 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 93.4) internal successors, (1868), 20 states have internal predecessors, (1868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:07:01,996 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 06:07:01,996 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 06:07:02,196 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 06:07:02,197 INFO L428 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-25 06:07:02,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 06:07:02,197 INFO L82 PathProgramCache]: Analyzing trace with hash 1007181242, now seen corresponding path program 1 times [2021-03-25 06:07:02,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 06:07:02,197 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450966509] [2021-03-25 06:07:02,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 06:07:02,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 06:07:02,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:07:02,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:02,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:02,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:02,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 06:07:02,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 06:07:02,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:07:02,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 06:07:02,266 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 06:07:02,266 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450966509] [2021-03-25 06:07:02,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2138856209] [2021-03-25 06:07:02,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 06:07:02,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 06:07:02,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-25 06:07:02,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 06:07:02,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:07:02,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:07:02,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:07:02,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:07:02,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:07:02,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:07:02,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:07:02,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:07:02,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:02,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:02,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:02,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:02,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:02,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:02,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:02,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:02,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:02,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:02,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:02,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:02,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:02,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:02,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:02,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:02,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:07:02,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:02,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 06:07:02,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:07:02,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 06:07:02,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 06:07:02,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:02,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:02,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:02,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:02,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:02,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:02,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:02,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:07:02,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:02,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 06:07:02,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:02,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:02,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:02,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:02,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:02,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:02,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:02,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:02,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:02,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:02,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:07:02,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:02,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 06:07:02,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:07:02,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 06:07:02,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 06:07:02,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:02,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:02,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:02,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:07:02,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:02,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 06:07:02,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:02,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:02,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 06:07:02,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:07:02,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 06:07:02,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 06:07:02,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:02,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:02,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 06:07:02,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:07:02,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 06:07:02,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 06:07:02,514 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-25 06:07:02,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:07:02,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,515 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 06:07:02,516 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:07:02,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 06:07:02,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 06:07:02,519 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 06:07:02,520 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:07:02,520 INFO L142 QuantifierPusher]: treesize reduction 12, result has 40.0 percent of original size [2021-03-25 06:07:02,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:07:02,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:07:02,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:02,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:07:02,530 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 06:07:02,531 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 06:07:02,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 16 [2021-03-25 06:07:02,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988410702] [2021-03-25 06:07:02,531 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-25 06:07:02,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 06:07:02,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-25 06:07:02,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2021-03-25 06:07:02,534 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 198 [2021-03-25 06:07:02,535 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 201 transitions, 2336 flow. Second operand has 18 states, 18 states have (on average 96.33333333333333) internal successors, (1734), 18 states have internal predecessors, (1734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:07:02,535 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 06:07:02,535 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 198 [2021-03-25 06:07:02,535 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 06:07:07,317 INFO L129 PetriNetUnfolder]: 18016/29215 cut-off events. [2021-03-25 06:07:07,317 INFO L130 PetriNetUnfolder]: For 425995/426031 co-relation queries the response was YES. [2021-03-25 06:07:07,495 INFO L84 FinitePrefix]: Finished finitePrefix Result has 186777 conditions, 29215 events. 18016/29215 cut-off events. For 425995/426031 co-relation queries the response was YES. Maximal size of possible extension queue 1918. Compared 242665 event pairs, 5243 based on Foata normal form. 115/28272 useless extension candidates. Maximal degree in co-relation 186719. Up to 8417 conditions per place. [2021-03-25 06:07:07,598 INFO L132 encePairwiseOnDemand]: 170/198 looper letters, 174 selfloop transitions, 190 changer transitions 17/389 dead transitions. [2021-03-25 06:07:07,598 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 389 transitions, 4937 flow [2021-03-25 06:07:07,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-25 06:07:07,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-03-25 06:07:07,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 2635 transitions. [2021-03-25 06:07:07,602 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5323232323232323 [2021-03-25 06:07:07,602 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 2635 transitions. [2021-03-25 06:07:07,602 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 2635 transitions. [2021-03-25 06:07:07,603 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 06:07:07,603 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 2635 transitions. [2021-03-25 06:07:07,605 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 105.4) internal successors, (2635), 25 states have internal predecessors, (2635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:07:07,609 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 198.0) internal successors, (5148), 26 states have internal predecessors, (5148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:07:07,609 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 198.0) internal successors, (5148), 26 states have internal predecessors, (5148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:07:07,609 INFO L185 Difference]: Start difference. First operand has 143 places, 201 transitions, 2336 flow. Second operand 25 states and 2635 transitions. [2021-03-25 06:07:07,609 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 389 transitions, 4937 flow [2021-03-25 06:07:10,108 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 389 transitions, 4531 flow, removed 81 selfloop flow, removed 13 redundant places. [2021-03-25 06:07:10,112 INFO L241 Difference]: Finished difference. Result has 166 places, 247 transitions, 3202 flow [2021-03-25 06:07:10,113 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=1976, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=140, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=3202, PETRI_PLACES=166, PETRI_TRANSITIONS=247} [2021-03-25 06:07:10,113 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 120 predicate places. [2021-03-25 06:07:10,113 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 06:07:10,113 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 166 places, 247 transitions, 3202 flow [2021-03-25 06:07:10,113 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 166 places, 247 transitions, 3202 flow [2021-03-25 06:07:10,114 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 166 places, 247 transitions, 3202 flow [2021-03-25 06:07:10,329 INFO L129 PetriNetUnfolder]: 882/2260 cut-off events. [2021-03-25 06:07:10,329 INFO L130 PetriNetUnfolder]: For 48440/74188 co-relation queries the response was YES. [2021-03-25 06:07:10,346 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17305 conditions, 2260 events. 882/2260 cut-off events. For 48440/74188 co-relation queries the response was YES. Maximal size of possible extension queue 248. Compared 18969 event pairs, 227 based on Foata normal form. 51/2046 useless extension candidates. Maximal degree in co-relation 17239. Up to 1092 conditions per place. [2021-03-25 06:07:10,376 INFO L142 LiptonReduction]: Number of co-enabled transitions 3848 [2021-03-25 06:07:11,264 INFO L154 LiptonReduction]: Checked pairs total: 28972 [2021-03-25 06:07:11,265 INFO L156 LiptonReduction]: Total number of compositions: 11 [2021-03-25 06:07:11,265 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1152 [2021-03-25 06:07:11,265 INFO L480 AbstractCegarLoop]: Abstraction has has 166 places, 247 transitions, 3202 flow [2021-03-25 06:07:11,265 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 96.33333333333333) internal successors, (1734), 18 states have internal predecessors, (1734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:07:11,265 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 06:07:11,265 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 06:07:11,466 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2021-03-25 06:07:11,466 INFO L428 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-25 06:07:11,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 06:07:11,467 INFO L82 PathProgramCache]: Analyzing trace with hash -683748308, now seen corresponding path program 1 times [2021-03-25 06:07:11,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 06:07:11,467 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148198866] [2021-03-25 06:07:11,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 06:07:11,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 06:07:11,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:07:11,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:11,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 06:07:11,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:11,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:11,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:07:11,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 06:07:11,532 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-03-25 06:07:11,532 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148198866] [2021-03-25 06:07:11,532 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [775665439] [2021-03-25 06:07:11,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 06:07:11,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 06:07:11,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-25 06:07:11,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 06:07:11,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 06:07:11,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 06:07:11,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 06:07:11,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:07:11,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:11,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 06:07:11,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 06:07:11,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:07:11,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 06:07:11,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 06:07:11,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:11,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 06:07:11,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:07:11,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 06:07:11,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 06:07:11,700 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size [2021-03-25 06:07:11,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:07:11,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,703 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 06:07:11,704 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:07:11,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 06:07:11,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 06:07:11,707 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 06:07:11,708 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:07:11,709 INFO L142 QuantifierPusher]: treesize reduction 15, result has 42.3 percent of original size [2021-03-25 06:07:11,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:07:11,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:07:11,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:11,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:07:11,719 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-03-25 06:07:11,719 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-25 06:07:11,719 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 11 [2021-03-25 06:07:11,719 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588196039] [2021-03-25 06:07:11,720 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 06:07:11,720 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 06:07:11,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 06:07:11,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-03-25 06:07:11,721 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 209 [2021-03-25 06:07:11,722 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 247 transitions, 3202 flow. Second operand has 6 states, 6 states have (on average 132.33333333333334) internal successors, (794), 6 states have internal predecessors, (794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:07:11,722 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 06:07:11,722 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 209 [2021-03-25 06:07:11,722 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 06:07:16,377 INFO L129 PetriNetUnfolder]: 15752/26404 cut-off events. [2021-03-25 06:07:16,377 INFO L130 PetriNetUnfolder]: For 437903/463314 co-relation queries the response was YES. [2021-03-25 06:07:16,616 INFO L84 FinitePrefix]: Finished finitePrefix Result has 192492 conditions, 26404 events. 15752/26404 cut-off events. For 437903/463314 co-relation queries the response was YES. Maximal size of possible extension queue 4772. Compared 268133 event pairs, 3380 based on Foata normal form. 721/25373 useless extension candidates. Maximal degree in co-relation 192423. Up to 8144 conditions per place. [2021-03-25 06:07:16,714 INFO L132 encePairwiseOnDemand]: 192/209 looper letters, 275 selfloop transitions, 224 changer transitions 18/545 dead transitions. [2021-03-25 06:07:16,714 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 545 transitions, 8166 flow [2021-03-25 06:07:16,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 06:07:16,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 06:07:16,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1850 transitions. [2021-03-25 06:07:16,716 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6808980493191019 [2021-03-25 06:07:16,716 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1850 transitions. [2021-03-25 06:07:16,716 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1850 transitions. [2021-03-25 06:07:16,716 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 06:07:16,716 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1850 transitions. [2021-03-25 06:07:16,718 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 142.30769230769232) internal successors, (1850), 13 states have internal predecessors, (1850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:07:16,719 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 209.0) internal successors, (2926), 14 states have internal predecessors, (2926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:07:16,720 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 209.0) internal successors, (2926), 14 states have internal predecessors, (2926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:07:16,720 INFO L185 Difference]: Start difference. First operand has 166 places, 247 transitions, 3202 flow. Second operand 13 states and 1850 transitions. [2021-03-25 06:07:16,720 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 545 transitions, 8166 flow [2021-03-25 06:07:21,099 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 545 transitions, 7806 flow, removed 153 selfloop flow, removed 7 redundant places. [2021-03-25 06:07:21,105 INFO L241 Difference]: Finished difference. Result has 179 places, 365 transitions, 5518 flow [2021-03-25 06:07:21,105 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=3007, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=247, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=106, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=5518, PETRI_PLACES=179, PETRI_TRANSITIONS=365} [2021-03-25 06:07:21,105 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 133 predicate places. [2021-03-25 06:07:21,106 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 06:07:21,106 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 179 places, 365 transitions, 5518 flow [2021-03-25 06:07:21,106 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 179 places, 365 transitions, 5518 flow [2021-03-25 06:07:21,109 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 179 places, 365 transitions, 5518 flow [2021-03-25 06:07:21,367 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([756] L698-->thr2EXIT: Formula: (= (+ v_thr2Thread4of4ForFork0_~t~0_11 1) v_~x~0_186) InVars {thr2Thread4of4ForFork0_~t~0=v_thr2Thread4of4ForFork0_~t~0_11} OutVars{thr2Thread4of4ForFork0_~t~0=v_thr2Thread4of4ForFork0_~t~0_11, ~x~0=v_~x~0_186} AuxVars[] AssignedVars[~x~0][126], [Black: 193#(and (<= 20 ~n~0) (<= ~x~0 0) (< ~n~0 40)), thr2Thread4of4ForFork0InUse, Black: 243#(and (<= 20 ~n~0) (<= ~x~0 0) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), 514#(and (<= thr2Thread1of4ForFork0_~t~0 1) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0)), Black: 233#(and (<= 20 ~n~0) (< ~n~0 40) (<= thr2Thread2of4ForFork0_~t~0 0)), Black: 251#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (<= thr2Thread2of4ForFork0_~t~0 0)), Black: 253#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (<= thr2Thread2of4ForFork0_~t~0 0)), 135#(not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0)), Black: 512#(and (<= ~x~0 1) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0)), 396#(and (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 134#(and (= ~x~0 0) (<= 20 ~n~0)), Black: 500#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 139#(and (= ~x~0 0) (<= 20 ~n~0) (not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0))), Black: 502#(and (= ~x~0 0) (<= thr2Thread1of4ForFork0_~t~0 1) (<= 1 ULTIMATE.start_main_~i~0) (< 1 ~n~0)), Black: 520#(and (<= thr2Thread1of4ForFork0_~t~0 1) (<= ~x~0 ~n~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0)), Black: 352#(and (<= ~x~0 1) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 472#(and (<= ~x~0 1) (< 1 ~n~0)), Black: 384#(and (= ~x~0 0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 522#(and (<= ~x~0 ~n~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 354#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 506#(and (<= thr2Thread1of4ForFork0_~t~0 1) (<= ~x~0 2) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0)), Black: 386#(and (= ~x~0 0) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 508#(and (= ~x~0 0) (<= thr2Thread1of4ForFork0_~t~0 1) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0)), Black: 388#(and (= ~x~0 0) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1)), Black: 476#(and (<= thr2Thread1of4ForFork0_~t~0 1) (< 1 ~n~0)), Black: 356#(and (= ~x~0 0) (<= 2 ~n~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 494#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0)), Black: 360#(and (= ~x~0 0) (<= 1 ULTIMATE.start_main_~i~0) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 510#(and (<= thr2Thread1of4ForFork0_~t~0 1) (<= ~x~0 2) (< 1 ~n~0)), Black: 394#(and (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 364#(and (= ~x~0 0) (<= 1 ULTIMATE.start_main_~i~0) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1)), Black: 366#(and (= ~x~0 0) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 270#(and (= ~x~0 0) (<= 2 ~n~0)), Black: 334#(and (= ~x~0 0) (<= 2 ~n~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 370#(and (= ~x~0 0) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1)), Black: 342#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0)), Black: 374#(and (= ~x~0 0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1)), Black: 344#(and (<= ~x~0 1) (< 1 ~n~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 376#(and (= ~x~0 0) (<= 2 ~n~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 378#(and (<= ~x~0 2) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 348#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 380#(and (<= ~x~0 2) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1) (= thr2Thread1of4ForFork0_~t~0 0)), 37#L698true, Black: 350#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), 171#(and (<= 1 ~n~0) (not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0)) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 161#(and (= ~x~0 0) (= ULTIMATE.start_main_~i~0 0) (<= 1 ~n~0) (not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0)) (= thr2Thread1of4ForFork0_~t~0 0)), 46#L708-2true, Black: 163#(and (<= 1 ~n~0) (<= ~x~0 ~n~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 165#(and (<= 1 ~n~0) (not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0)) (<= ~x~0 ~n~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 149#(and (<= 1 ~n~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 155#(and (= ~x~0 0) (= ULTIMATE.start_main_~i~0 0) (<= 1 ~n~0)), Black: 157#(and (= ~x~0 0) (= ULTIMATE.start_main_~i~0 0) (<= 1 ~n~0) (not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0))), Black: 159#(and (= ~x~0 0) (= ULTIMATE.start_main_~i~0 0) (<= 1 ~n~0) (= thr2Thread1of4ForFork0_~t~0 0)), 54#thr2EXITtrue, 77#L698true, 78#thr1EXITtrue, 105#L698true, 619#(and (<= 20 ~n~0) (< ~n~0 40) (<= thr2Thread3of4ForFork0_~t~0 0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 609#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 548#(and (<= 20 ~n~0) (<= ~x~0 0) (< ~n~0 40)), Black: 597#(and (<= 20 ~n~0) (< ~n~0 40) (<= thr2Thread3of4ForFork0_~t~0 0)), Black: 615#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (<= thr2Thread3of4ForFork0_~t~0 0)), Black: 617#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (<= thr2Thread3of4ForFork0_~t~0 0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 601#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40)), thr1Thread1of4ForFork1InUse, Black: 607#(and (<= 20 ~n~0) (<= ~x~0 0) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), thr2Thread1of4ForFork0InUse, thr2Thread2of4ForFork0InUse, thr2Thread3of4ForFork0InUse, 255#(and (<= 20 ~n~0) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (<= thr2Thread2of4ForFork0_~t~0 0))]) [2021-03-25 06:07:21,368 INFO L384 tUnfolder$Statistics]: this new event has 28 ancestors and is cut-off event [2021-03-25 06:07:21,368 INFO L387 tUnfolder$Statistics]: existing Event has 27 ancestors and is cut-off event [2021-03-25 06:07:21,368 INFO L387 tUnfolder$Statistics]: existing Event has 28 ancestors and is cut-off event [2021-03-25 06:07:21,368 INFO L387 tUnfolder$Statistics]: existing Event has 28 ancestors and is cut-off event [2021-03-25 06:07:21,473 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([756] L698-->thr2EXIT: Formula: (= (+ v_thr2Thread4of4ForFork0_~t~0_11 1) v_~x~0_186) InVars {thr2Thread4of4ForFork0_~t~0=v_thr2Thread4of4ForFork0_~t~0_11} OutVars{thr2Thread4of4ForFork0_~t~0=v_thr2Thread4of4ForFork0_~t~0_11, ~x~0=v_~x~0_186} AuxVars[] AssignedVars[~x~0][126], [thr2Thread4of4ForFork0InUse, Black: 193#(and (<= 20 ~n~0) (<= ~x~0 0) (< ~n~0 40)), Black: 243#(and (<= 20 ~n~0) (<= ~x~0 0) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), 514#(and (<= thr2Thread1of4ForFork0_~t~0 1) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0)), Black: 233#(and (<= 20 ~n~0) (< ~n~0 40) (<= thr2Thread2of4ForFork0_~t~0 0)), Black: 251#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (<= thr2Thread2of4ForFork0_~t~0 0)), Black: 253#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (<= thr2Thread2of4ForFork0_~t~0 0)), 135#(not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0)), Black: 512#(and (<= ~x~0 1) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0)), 396#(and (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 134#(and (= ~x~0 0) (<= 20 ~n~0)), Black: 500#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 502#(and (= ~x~0 0) (<= thr2Thread1of4ForFork0_~t~0 1) (<= 1 ULTIMATE.start_main_~i~0) (< 1 ~n~0)), Black: 139#(and (= ~x~0 0) (<= 20 ~n~0) (not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0))), Black: 520#(and (<= thr2Thread1of4ForFork0_~t~0 1) (<= ~x~0 ~n~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0)), Black: 352#(and (<= ~x~0 1) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 472#(and (<= ~x~0 1) (< 1 ~n~0)), Black: 384#(and (= ~x~0 0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 522#(and (<= ~x~0 ~n~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 354#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 506#(and (<= thr2Thread1of4ForFork0_~t~0 1) (<= ~x~0 2) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0)), Black: 386#(and (= ~x~0 0) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 388#(and (= ~x~0 0) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1)), Black: 508#(and (= ~x~0 0) (<= thr2Thread1of4ForFork0_~t~0 1) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0)), Black: 476#(and (<= thr2Thread1of4ForFork0_~t~0 1) (< 1 ~n~0)), Black: 356#(and (= ~x~0 0) (<= 2 ~n~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 494#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0)), Black: 360#(and (= ~x~0 0) (<= 1 ULTIMATE.start_main_~i~0) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 510#(and (<= thr2Thread1of4ForFork0_~t~0 1) (<= ~x~0 2) (< 1 ~n~0)), Black: 394#(and (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 364#(and (= ~x~0 0) (<= 1 ULTIMATE.start_main_~i~0) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1)), Black: 366#(and (= ~x~0 0) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 270#(and (= ~x~0 0) (<= 2 ~n~0)), Black: 334#(and (= ~x~0 0) (<= 2 ~n~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 370#(and (= ~x~0 0) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1)), Black: 342#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0)), Black: 374#(and (= ~x~0 0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1)), Black: 344#(and (<= ~x~0 1) (< 1 ~n~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 376#(and (= ~x~0 0) (<= 2 ~n~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 378#(and (<= ~x~0 2) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 348#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 380#(and (<= ~x~0 2) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 350#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), 37#L698true, 171#(and (<= 1 ~n~0) (not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0)) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 161#(and (= ~x~0 0) (= ULTIMATE.start_main_~i~0 0) (<= 1 ~n~0) (not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0)) (= thr2Thread1of4ForFork0_~t~0 0)), 46#L708-2true, Black: 163#(and (<= 1 ~n~0) (<= ~x~0 ~n~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 165#(and (<= 1 ~n~0) (not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0)) (<= ~x~0 ~n~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 149#(and (<= 1 ~n~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 155#(and (= ~x~0 0) (= ULTIMATE.start_main_~i~0 0) (<= 1 ~n~0)), Black: 157#(and (= ~x~0 0) (= ULTIMATE.start_main_~i~0 0) (<= 1 ~n~0) (not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0))), Black: 159#(and (= ~x~0 0) (= ULTIMATE.start_main_~i~0 0) (<= 1 ~n~0) (= thr2Thread1of4ForFork0_~t~0 0)), 54#thr2EXITtrue, 77#L698true, 78#thr1EXITtrue, 105#L698true, 619#(and (<= 20 ~n~0) (< ~n~0 40) (<= thr2Thread3of4ForFork0_~t~0 0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 609#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 548#(and (<= 20 ~n~0) (<= ~x~0 0) (< ~n~0 40)), Black: 597#(and (<= 20 ~n~0) (< ~n~0 40) (<= thr2Thread3of4ForFork0_~t~0 0)), Black: 615#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (<= thr2Thread3of4ForFork0_~t~0 0)), Black: 617#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (<= thr2Thread3of4ForFork0_~t~0 0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 601#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40)), thr1Thread1of4ForFork1InUse, Black: 607#(and (<= 20 ~n~0) (<= ~x~0 0) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), thr2Thread1of4ForFork0InUse, thr2Thread2of4ForFork0InUse, thr2Thread3of4ForFork0InUse, 255#(and (<= 20 ~n~0) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (<= thr2Thread2of4ForFork0_~t~0 0))]) [2021-03-25 06:07:21,473 INFO L384 tUnfolder$Statistics]: this new event has 27 ancestors and is not cut-off event [2021-03-25 06:07:21,473 INFO L387 tUnfolder$Statistics]: existing Event has 27 ancestors and is not cut-off event [2021-03-25 06:07:21,473 INFO L387 tUnfolder$Statistics]: existing Event has 28 ancestors and is not cut-off event [2021-03-25 06:07:21,473 INFO L387 tUnfolder$Statistics]: existing Event has 28 ancestors and is not cut-off event [2021-03-25 06:07:21,473 INFO L387 tUnfolder$Statistics]: existing Event has 28 ancestors and is not cut-off event [2021-03-25 06:07:21,705 INFO L129 PetriNetUnfolder]: 1693/4386 cut-off events. [2021-03-25 06:07:21,705 INFO L130 PetriNetUnfolder]: For 115951/203517 co-relation queries the response was YES. [2021-03-25 06:07:21,744 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38727 conditions, 4386 events. 1693/4386 cut-off events. For 115951/203517 co-relation queries the response was YES. Maximal size of possible extension queue 515. Compared 42840 event pairs, 295 based on Foata normal form. 123/3968 useless extension candidates. Maximal degree in co-relation 38654. Up to 2268 conditions per place. [2021-03-25 06:07:21,814 INFO L142 LiptonReduction]: Number of co-enabled transitions 5738 [2021-03-25 06:07:26,606 INFO L154 LiptonReduction]: Checked pairs total: 34031 [2021-03-25 06:07:26,606 INFO L156 LiptonReduction]: Total number of compositions: 18 [2021-03-25 06:07:26,607 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5501 [2021-03-25 06:07:26,607 INFO L480 AbstractCegarLoop]: Abstraction has has 179 places, 364 transitions, 5509 flow [2021-03-25 06:07:26,607 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 132.33333333333334) internal successors, (794), 6 states have internal predecessors, (794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:07:26,607 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 06:07:26,607 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 06:07:26,810 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2021-03-25 06:07:26,811 INFO L428 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-25 06:07:26,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 06:07:26,811 INFO L82 PathProgramCache]: Analyzing trace with hash 302671979, now seen corresponding path program 1 times [2021-03-25 06:07:26,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 06:07:26,811 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292480261] [2021-03-25 06:07:26,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 06:07:26,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 06:07:26,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:26,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:07:26,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:26,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:26,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:26,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:26,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:26,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:26,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:26,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 06:07:26,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:26,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 06:07:26,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:26,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:07:26,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:26,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 06:07:26,883 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-25 06:07:26,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292480261] [2021-03-25 06:07:26,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1777523755] [2021-03-25 06:07:26,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 06:07:26,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 06:07:26,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 16 conjunts are in the unsatisfiable core [2021-03-25 06:07:26,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 06:07:26,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:26,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 06:07:26,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:26,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 06:07:26,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:26,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:26,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:26,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:26,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:26,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:26,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:26,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:26,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:26,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:26,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:26,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:26,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:26,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:26,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:26,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:26,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:26,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:26,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:26,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:26,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:26,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:26,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:26,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:26,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:26,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:26,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:26,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:26,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:26,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:26,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:26,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:26,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:26,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:26,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:26,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:26,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:26,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:26,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:26,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:26,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:26,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:26,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:26,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:26,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:26,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:26,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:26,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:26,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:26,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:27,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:27,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:27,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:27,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:27,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:27,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:27,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:27,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:27,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:27,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:27,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:27,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:27,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:27,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:27,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:27,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:27,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:27,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:27,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:27,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:27,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:27,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:27,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:27,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:27,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:27,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:27,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:27,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:27,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:27,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:27,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:27,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:27,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:27,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:27,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:27,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:27,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:27,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:07:27,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:27,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 06:07:27,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:07:27,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 06:07:27,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 06:07:27,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:27,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:27,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 06:07:27,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:07:27,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:27,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 06:07:27,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:27,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:27,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 06:07:27,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:07:27,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 06:07:27,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 06:07:27,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:27,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:27,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 06:07:27,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:07:27,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 06:07:27,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 06:07:27,087 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size [2021-03-25 06:07:27,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:07:27,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,090 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 06:07:27,090 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:07:27,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 06:07:27,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 06:07:27,098 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 06:07:27,099 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:07:27,100 INFO L142 QuantifierPusher]: treesize reduction 15, result has 42.3 percent of original size [2021-03-25 06:07:27,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:07:27,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:07:27,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:27,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:07:27,110 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-03-25 06:07:27,110 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-25 06:07:27,110 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 13 [2021-03-25 06:07:27,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214554681] [2021-03-25 06:07:27,110 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 06:07:27,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 06:07:27,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 06:07:27,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2021-03-25 06:07:27,112 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 226 [2021-03-25 06:07:27,112 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 364 transitions, 5509 flow. Second operand has 7 states, 7 states have (on average 141.28571428571428) internal successors, (989), 7 states have internal predecessors, (989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:07:27,112 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 06:07:27,112 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 226 [2021-03-25 06:07:27,112 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 06:07:33,147 INFO L129 PetriNetUnfolder]: 16232/27565 cut-off events. [2021-03-25 06:07:33,147 INFO L130 PetriNetUnfolder]: For 556419/573028 co-relation queries the response was YES. [2021-03-25 06:07:33,426 INFO L84 FinitePrefix]: Finished finitePrefix Result has 223732 conditions, 27565 events. 16232/27565 cut-off events. For 556419/573028 co-relation queries the response was YES. Maximal size of possible extension queue 4965. Compared 281259 event pairs, 3477 based on Foata normal form. 351/26079 useless extension candidates. Maximal degree in co-relation 223656. Up to 8448 conditions per place. [2021-03-25 06:07:33,521 INFO L132 encePairwiseOnDemand]: 201/226 looper letters, 278 selfloop transitions, 299 changer transitions 11/616 dead transitions. [2021-03-25 06:07:33,521 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 616 transitions, 10236 flow [2021-03-25 06:07:33,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 06:07:33,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 06:07:33,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2272 transitions. [2021-03-25 06:07:33,524 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6702064896755162 [2021-03-25 06:07:33,524 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2272 transitions. [2021-03-25 06:07:33,524 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2272 transitions. [2021-03-25 06:07:33,524 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 06:07:33,524 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2272 transitions. [2021-03-25 06:07:33,526 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 151.46666666666667) internal successors, (2272), 15 states have internal predecessors, (2272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:07:33,529 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 226.0) internal successors, (3616), 16 states have internal predecessors, (3616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:07:33,529 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 226.0) internal successors, (3616), 16 states have internal predecessors, (3616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:07:33,529 INFO L185 Difference]: Start difference. First operand has 179 places, 364 transitions, 5509 flow. Second operand 15 states and 2272 transitions. [2021-03-25 06:07:33,529 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 616 transitions, 10236 flow [2021-03-25 06:07:40,223 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 616 transitions, 9964 flow, removed 136 selfloop flow, removed 0 redundant places. [2021-03-25 06:07:40,230 INFO L241 Difference]: Finished difference. Result has 199 places, 434 transitions, 7502 flow [2021-03-25 06:07:40,230 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=226, PETRI_DIFFERENCE_MINUEND_FLOW=5331, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=364, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=229, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=7502, PETRI_PLACES=199, PETRI_TRANSITIONS=434} [2021-03-25 06:07:40,230 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 153 predicate places. [2021-03-25 06:07:40,231 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 06:07:40,231 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 199 places, 434 transitions, 7502 flow [2021-03-25 06:07:40,231 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 199 places, 434 transitions, 7502 flow [2021-03-25 06:07:40,234 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 199 places, 434 transitions, 7502 flow [2021-03-25 06:07:40,590 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([756] L698-->thr2EXIT: Formula: (= (+ v_thr2Thread4of4ForFork0_~t~0_11 1) v_~x~0_186) InVars {thr2Thread4of4ForFork0_~t~0=v_thr2Thread4of4ForFork0_~t~0_11} OutVars{thr2Thread4of4ForFork0_~t~0=v_thr2Thread4of4ForFork0_~t~0_11, ~x~0=v_~x~0_186} AuxVars[] AssignedVars[~x~0][415], [Black: 193#(and (<= 20 ~n~0) (<= ~x~0 0) (< ~n~0 40)), thr2Thread4of4ForFork0InUse, Black: 243#(and (<= 20 ~n~0) (<= ~x~0 0) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 233#(and (<= 20 ~n~0) (< ~n~0 40) (<= thr2Thread2of4ForFork0_~t~0 0)), Black: 251#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (<= thr2Thread2of4ForFork0_~t~0 0)), Black: 253#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (<= thr2Thread2of4ForFork0_~t~0 0)), 390#(and (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1)), 135#(not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0)), Black: 512#(and (<= ~x~0 1) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0)), Black: 514#(and (<= thr2Thread1of4ForFork0_~t~0 1) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0)), Black: 134#(and (= ~x~0 0) (<= 20 ~n~0)), Black: 500#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 502#(and (= ~x~0 0) (<= thr2Thread1of4ForFork0_~t~0 1) (<= 1 ULTIMATE.start_main_~i~0) (< 1 ~n~0)), Black: 139#(and (= ~x~0 0) (<= 20 ~n~0) (not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0))), Black: 520#(and (<= thr2Thread1of4ForFork0_~t~0 1) (<= ~x~0 ~n~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0)), Black: 352#(and (<= ~x~0 1) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 472#(and (<= ~x~0 1) (< 1 ~n~0)), Black: 384#(and (= ~x~0 0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 522#(and (<= ~x~0 ~n~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 354#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 506#(and (<= thr2Thread1of4ForFork0_~t~0 1) (<= ~x~0 2) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0)), Black: 386#(and (= ~x~0 0) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 508#(and (= ~x~0 0) (<= thr2Thread1of4ForFork0_~t~0 1) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0)), Black: 388#(and (= ~x~0 0) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1)), Black: 476#(and (<= thr2Thread1of4ForFork0_~t~0 1) (< 1 ~n~0)), Black: 356#(and (= ~x~0 0) (<= 2 ~n~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 360#(and (= ~x~0 0) (<= 1 ULTIMATE.start_main_~i~0) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 494#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0)), Black: 510#(and (<= thr2Thread1of4ForFork0_~t~0 1) (<= ~x~0 2) (< 1 ~n~0)), Black: 394#(and (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1) (= thr2Thread1of4ForFork0_~t~0 0)), 151#(not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0)), Black: 364#(and (= ~x~0 0) (<= 1 ULTIMATE.start_main_~i~0) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1)), Black: 396#(and (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 366#(and (= ~x~0 0) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 270#(and (= ~x~0 0) (<= 2 ~n~0)), Black: 334#(and (= ~x~0 0) (<= 2 ~n~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 370#(and (= ~x~0 0) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1)), Black: 342#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0)), Black: 374#(and (= ~x~0 0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1)), Black: 344#(and (<= ~x~0 1) (< 1 ~n~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 376#(and (= ~x~0 0) (<= 2 ~n~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 378#(and (<= ~x~0 2) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 348#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 380#(and (<= ~x~0 2) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1) (= thr2Thread1of4ForFork0_~t~0 0)), 37#L698true, Black: 350#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 161#(and (= ~x~0 0) (= ULTIMATE.start_main_~i~0 0) (<= 1 ~n~0) (not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0)) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 163#(and (<= 1 ~n~0) (<= ~x~0 ~n~0) (= thr2Thread1of4ForFork0_~t~0 0)), 46#L708-2true, Black: 165#(and (<= 1 ~n~0) (not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0)) (<= ~x~0 ~n~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 149#(and (<= 1 ~n~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 155#(and (= ~x~0 0) (= ULTIMATE.start_main_~i~0 0) (<= 1 ~n~0)), Black: 171#(and (<= 1 ~n~0) (not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0)) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 157#(and (= ~x~0 0) (= ULTIMATE.start_main_~i~0 0) (<= 1 ~n~0) (not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0))), Black: 159#(and (= ~x~0 0) (= ULTIMATE.start_main_~i~0 0) (<= 1 ~n~0) (= thr2Thread1of4ForFork0_~t~0 0)), 54#thr2EXITtrue, 56#thr2ENTRYtrue, 78#thr1EXITtrue, 719#(and (<= 20 ~n~0) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 721#(and (<= 20 ~n~0) (<= ~x~0 2) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 691#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40)), Black: 707#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 695#(and (<= 20 ~n~0) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40)), Black: 715#(and (<= 20 ~n~0) (<= ~x~0 2) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40)), 484#(= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1), 105#L698true, 619#(and (<= 20 ~n~0) (< ~n~0 40) (<= thr2Thread3of4ForFork0_~t~0 0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 609#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 548#(and (<= 20 ~n~0) (<= ~x~0 0) (< ~n~0 40)), Black: 597#(and (<= 20 ~n~0) (< ~n~0 40) (<= thr2Thread3of4ForFork0_~t~0 0)), Black: 615#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (<= thr2Thread3of4ForFork0_~t~0 0)), Black: 617#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (<= thr2Thread3of4ForFork0_~t~0 0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 601#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40)), thr1Thread1of4ForFork1InUse, Black: 607#(and (<= 20 ~n~0) (<= ~x~0 0) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), thr2Thread1of4ForFork0InUse, thr2Thread2of4ForFork0InUse, 255#(and (<= 20 ~n~0) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (<= thr2Thread2of4ForFork0_~t~0 0)), thr2Thread3of4ForFork0InUse]) [2021-03-25 06:07:40,590 INFO L384 tUnfolder$Statistics]: this new event has 26 ancestors and is not cut-off event [2021-03-25 06:07:40,590 INFO L387 tUnfolder$Statistics]: existing Event has 27 ancestors and is not cut-off event [2021-03-25 06:07:40,590 INFO L387 tUnfolder$Statistics]: existing Event has 27 ancestors and is not cut-off event [2021-03-25 06:07:40,590 INFO L387 tUnfolder$Statistics]: existing Event has 27 ancestors and is not cut-off event [2021-03-25 06:07:41,097 INFO L129 PetriNetUnfolder]: 2063/6055 cut-off events. [2021-03-25 06:07:41,097 INFO L130 PetriNetUnfolder]: For 162070/185669 co-relation queries the response was YES. [2021-03-25 06:07:41,151 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58360 conditions, 6055 events. 2063/6055 cut-off events. For 162070/185669 co-relation queries the response was YES. Maximal size of possible extension queue 569. Compared 64530 event pairs, 517 based on Foata normal form. 132/5609 useless extension candidates. Maximal degree in co-relation 58279. Up to 2973 conditions per place. [2021-03-25 06:07:41,240 INFO L142 LiptonReduction]: Number of co-enabled transitions 7054 [2021-03-25 06:07:53,630 INFO L154 LiptonReduction]: Checked pairs total: 42434 [2021-03-25 06:07:53,630 INFO L156 LiptonReduction]: Total number of compositions: 14 [2021-03-25 06:07:53,630 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 13399 [2021-03-25 06:07:53,631 INFO L480 AbstractCegarLoop]: Abstraction has has 199 places, 432 transitions, 7469 flow [2021-03-25 06:07:53,631 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 141.28571428571428) internal successors, (989), 7 states have internal predecessors, (989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:07:53,631 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 06:07:53,631 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 06:07:53,832 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 06:07:53,832 INFO L428 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-25 06:07:53,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 06:07:53,833 INFO L82 PathProgramCache]: Analyzing trace with hash 1883771787, now seen corresponding path program 1 times [2021-03-25 06:07:53,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 06:07:53,833 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126730103] [2021-03-25 06:07:53,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 06:07:53,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 06:07:53,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:53,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:07:53,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:53,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:53,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:53,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:53,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:53,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:53,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:53,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:53,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:53,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:53,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:53,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 06:07:53,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:53,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 06:07:53,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:53,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 06:07:53,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:53,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 06:07:53,924 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 06:07:53,924 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126730103] [2021-03-25 06:07:53,924 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [578098099] [2021-03-25 06:07:53,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 06:07:54,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 06:07:54,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-25 06:07:54,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 06:07:54,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:07:54,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:07:54,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:07:54,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:07:54,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:07:54,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:07:54,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:07:54,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:07:54,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:54,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:54,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:54,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:54,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:54,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:54,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:54,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:54,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:54,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:54,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:54,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:54,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:54,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:54,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:54,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:54,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:54,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:07:54,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:54,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 06:07:54,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:54,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:54,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:07:54,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 06:07:54,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 06:07:54,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:07:54,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 06:07:54,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 06:07:54,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:54,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:54,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:54,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:54,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:54,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:54,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:54,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:54,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:54,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:54,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:54,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:54,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:54,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:54,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,098 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:07:54,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 06:07:54,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 06:07:54,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:07:54,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 06:07:54,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 06:07:54,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:54,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:54,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:54,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:07:54,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:54,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 06:07:54,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:54,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:54,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:54,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:54,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:54,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:54,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:54,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:54,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:54,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:54,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 06:07:54,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:07:54,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 06:07:54,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 06:07:54,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:54,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:54,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 06:07:54,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:07:54,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:54,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 06:07:54,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:54,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:54,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 06:07:54,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:07:54,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 06:07:54,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 06:07:54,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:54,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 06:07:54,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 06:07:54,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,182 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:07:54,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 06:07:54,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 06:07:54,184 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-25 06:07:54,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:07:54,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,185 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 06:07:54,186 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:07:54,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 06:07:54,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 06:07:54,189 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 06:07:54,189 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 06:07:54,190 INFO L142 QuantifierPusher]: treesize reduction 12, result has 40.0 percent of original size [2021-03-25 06:07:54,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:07:54,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:07:54,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 06:07:54,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 06:07:54,203 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 06:07:54,203 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 06:07:54,203 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 20 [2021-03-25 06:07:54,203 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531887116] [2021-03-25 06:07:54,204 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-03-25 06:07:54,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 06:07:54,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-03-25 06:07:54,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=398, Unknown=0, NotChecked=0, Total=462 [2021-03-25 06:07:54,206 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 238 [2021-03-25 06:07:54,207 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 432 transitions, 7469 flow. Second operand has 22 states, 22 states have (on average 93.45454545454545) internal successors, (2056), 22 states have internal predecessors, (2056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:07:54,207 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 06:07:54,207 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 238 [2021-03-25 06:07:54,207 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 06:08:14,935 INFO L129 PetriNetUnfolder]: 45700/78385 cut-off events. [2021-03-25 06:08:14,935 INFO L130 PetriNetUnfolder]: For 1747094/1747154 co-relation queries the response was YES. [2021-03-25 06:08:16,338 INFO L84 FinitePrefix]: Finished finitePrefix Result has 643869 conditions, 78385 events. 45700/78385 cut-off events. For 1747094/1747154 co-relation queries the response was YES. Maximal size of possible extension queue 5894. Compared 805936 event pairs, 5740 based on Foata normal form. 514/76946 useless extension candidates. Maximal degree in co-relation 643785. Up to 20384 conditions per place. [2021-03-25 06:08:16,647 INFO L132 encePairwiseOnDemand]: 192/238 looper letters, 690 selfloop transitions, 1177 changer transitions 133/2007 dead transitions. [2021-03-25 06:08:16,647 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 2007 transitions, 36545 flow [2021-03-25 06:08:16,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-03-25 06:08:16,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2021-03-25 06:08:16,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 8407 transitions. [2021-03-25 06:08:16,656 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4360929557007988 [2021-03-25 06:08:16,656 INFO L72 ComplementDD]: Start complementDD. Operand 81 states and 8407 transitions. [2021-03-25 06:08:16,656 INFO L73 IsDeterministic]: Start isDeterministic. Operand 81 states and 8407 transitions. [2021-03-25 06:08:16,658 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 06:08:16,658 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 81 states and 8407 transitions. [2021-03-25 06:08:16,666 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 82 states, 81 states have (on average 103.79012345679013) internal successors, (8407), 81 states have internal predecessors, (8407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:08:16,677 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 82 states, 82 states have (on average 238.0) internal successors, (19516), 82 states have internal predecessors, (19516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:08:16,679 INFO L81 ComplementDD]: Finished complementDD. Result has 82 states, 82 states have (on average 238.0) internal successors, (19516), 82 states have internal predecessors, (19516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 06:08:16,679 INFO L185 Difference]: Start difference. First operand has 199 places, 432 transitions, 7469 flow. Second operand 81 states and 8407 transitions. [2021-03-25 06:08:16,679 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 2007 transitions, 36545 flow [2021-03-25 06:09:48,866 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 2007 transitions, 35458 flow, removed 392 selfloop flow, removed 4 redundant places. [2021-03-25 06:09:48,890 INFO L241 Difference]: Finished difference. Result has 301 places, 1301 transitions, 26629 flow [2021-03-25 06:09:48,890 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=238, PETRI_DIFFERENCE_MINUEND_FLOW=7096, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=432, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=342, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=81, PETRI_FLOW=26629, PETRI_PLACES=301, PETRI_TRANSITIONS=1301} [2021-03-25 06:09:48,890 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 255 predicate places. [2021-03-25 06:09:48,891 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 06:09:48,891 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 301 places, 1301 transitions, 26629 flow [2021-03-25 06:09:48,891 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 301 places, 1301 transitions, 26629 flow [2021-03-25 06:09:48,903 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 301 places, 1301 transitions, 26629 flow [2021-03-25 06:09:54,243 INFO L129 PetriNetUnfolder]: 9940/23171 cut-off events. [2021-03-25 06:09:54,243 INFO L130 PetriNetUnfolder]: For 1103926/1229781 co-relation queries the response was YES. [2021-03-25 06:09:54,662 INFO L84 FinitePrefix]: Finished finitePrefix Result has 258483 conditions, 23171 events. 9940/23171 cut-off events. For 1103926/1229781 co-relation queries the response was YES. Maximal size of possible extension queue 2291. Compared 272641 event pairs, 1250 based on Foata normal form. 483/21520 useless extension candidates. Maximal degree in co-relation 258375. Up to 8673 conditions per place. [2021-03-25 06:09:55,002 INFO L142 LiptonReduction]: Number of co-enabled transitions 14576 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown