/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-RepeatedSemanticLbeWithDisjunctivePredicates.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 [2021-03-26 11:44:25,669 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 11:44:25,670 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 11:44:25,694 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 11:44:25,695 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 11:44:25,695 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 11:44:25,696 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 11:44:25,712 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 11:44:25,713 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 11:44:25,714 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 11:44:25,715 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 11:44:25,715 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-26 11:44:25,715 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 11:44:25,716 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 11:44:25,716 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 11:44:25,717 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 11:44:25,718 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 11:44:25,718 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 11:44:25,719 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 11:44:25,720 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 11:44:25,721 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 11:44:25,731 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 11:44:25,731 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 11:44:25,732 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 11:44:25,733 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-26 11:44:25,733 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-26 11:44:25,733 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-26 11:44:25,734 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-26 11:44:25,734 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-26 11:44:25,740 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-26 11:44:25,740 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-26 11:44:25,740 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-26 11:44:25,741 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-26 11:44:25,741 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-26 11:44:25,742 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-26 11:44:25,742 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-26 11:44:25,742 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-26 11:44:25,742 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-26 11:44:25,742 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 11:44:25,743 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 11:44:25,743 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 11:44:25,744 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-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2021-03-26 11:44:25,773 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 11:44:25,773 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 11:44:25,774 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 11:44:25,774 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 11:44:25,774 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 11:44:25,774 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 11:44:25,774 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 11:44:25,774 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 11:44:25,774 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 11:44:25,774 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 11:44:25,774 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 11:44:25,774 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 11:44:25,775 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 11:44:25,775 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 11:44:25,775 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 11:44:25,775 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 11:44:25,775 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 11:44:25,775 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 11:44:25,775 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 11:44:25,775 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 11:44:25,775 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 11:44:25,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 11:44:25,775 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 11:44:25,776 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 11:44:25,776 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 11:44:25,776 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 11:44:25,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 11:44:25,776 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-03-26 11:44:25,776 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 11:44:25,776 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 11:44:25,776 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 11:44:26,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 11:44:26,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 11:44:26,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 11:44:26,077 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-26 11:44:26,078 INFO L275 PluginConnector]: CDTParser initialized [2021-03-26 11:44:26,078 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-2.i [2021-03-26 11:44:26,115 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75785ac89/ddfbfd2497954dd69e6c4c77ce6ce5b0/FLAG95f8ad953 [2021-03-26 11:44:26,465 INFO L306 CDTParser]: Found 1 translation units. [2021-03-26 11:44:26,465 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-2.i [2021-03-26 11:44:26,486 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75785ac89/ddfbfd2497954dd69e6c4c77ce6ce5b0/FLAG95f8ad953 [2021-03-26 11:44:26,845 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75785ac89/ddfbfd2497954dd69e6c4c77ce6ce5b0 [2021-03-26 11:44:26,848 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 11:44:26,849 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-26 11:44:26,850 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-26 11:44:26,850 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-26 11:44:26,853 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-26 11:44:26,854 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 11:44:26" (1/1) ... [2021-03-26 11:44:26,857 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1022ab56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 11:44:26, skipping insertion in model container [2021-03-26 11:44:26,857 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 11:44:26" (1/1) ... [2021-03-26 11:44:26,862 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-26 11:44:26,887 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-26 11:44:27,111 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] [2021-03-26 11:44:27,126 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 11:44:27,133 INFO L203 MainTranslator]: Completed pre-run [2021-03-26 11:44:27,165 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] [2021-03-26 11:44:27,168 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 11:44:27,223 INFO L208 MainTranslator]: Completed translation [2021-03-26 11:44:27,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 11:44:27 WrapperNode [2021-03-26 11:44:27,225 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-26 11:44:27,225 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 11:44:27,226 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 11:44:27,226 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 11:44:27,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 11:44:27" (1/1) ... [2021-03-26 11:44:27,256 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 11:44:27" (1/1) ... [2021-03-26 11:44:27,275 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 11:44:27,276 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 11:44:27,276 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 11:44:27,276 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 11:44:27,280 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 11:44:27" (1/1) ... [2021-03-26 11:44:27,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 11:44:27" (1/1) ... [2021-03-26 11:44:27,282 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 11:44:27" (1/1) ... [2021-03-26 11:44:27,282 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 11:44:27" (1/1) ... [2021-03-26 11:44:27,285 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 11:44:27" (1/1) ... [2021-03-26 11:44:27,287 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 11:44:27" (1/1) ... [2021-03-26 11:44:27,291 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 11:44:27" (1/1) ... [2021-03-26 11:44:27,292 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 11:44:27,293 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 11:44:27,299 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 11:44:27,299 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 11:44:27,300 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 11:44:27" (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 [2021-03-26 11:44:27,342 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2021-03-26 11:44:27,342 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2021-03-26 11:44:27,342 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-03-26 11:44:27,342 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-03-26 11:44:27,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-26 11:44:27,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-26 11:44:27,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-26 11:44:27,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-26 11:44:27,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 11:44:27,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 11:44:27,343 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-26 11:44:27,584 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 11:44:27,584 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-03-26 11:44:27,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 11:44:27 BoogieIcfgContainer [2021-03-26 11:44:27,585 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 11:44:27,586 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 11:44:27,586 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 11:44:27,588 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 11:44:27,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.03 11:44:26" (1/3) ... [2021-03-26 11:44:27,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d08ac8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 11:44:27, skipping insertion in model container [2021-03-26 11:44:27,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 11:44:27" (2/3) ... [2021-03-26 11:44:27,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d08ac8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 11:44:27, skipping insertion in model container [2021-03-26 11:44:27,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 11:44:27" (3/3) ... [2021-03-26 11:44:27,592 INFO L111 eAbstractionObserver]: Analyzing ICFG nondet-loop-bound-2.i [2021-03-26 11:44:27,596 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 11:44:27,599 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-26 11:44:27,599 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 11:44:27,624 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:27,624 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:27,625 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:27,625 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:27,625 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:27,625 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:27,625 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:27,625 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:27,625 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:27,626 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:27,626 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:27,626 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:27,626 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:27,626 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:27,627 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:27,627 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:27,627 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:27,627 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:27,628 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:27,628 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:27,628 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:27,628 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:27,628 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:27,628 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:27,628 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:27,628 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:27,629 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:27,629 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:27,629 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:27,629 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:27,630 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:27,630 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:27,630 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:27,630 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:27,631 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:27,632 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:27,632 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:27,632 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:27,632 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:27,636 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:27,636 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:27,636 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:27,637 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:27,637 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:27,637 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:27,638 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-26 11:44:27,650 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-03-26 11:44:27,672 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 11:44:27,672 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 11:44:27,673 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 11:44:27,673 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 11:44:27,673 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 11:44:27,673 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 11:44:27,673 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 11:44:27,673 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 11:44:27,681 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 63 transitions, 136 flow [2021-03-26 11:44:27,723 INFO L129 PetriNetUnfolder]: 4/73 cut-off events. [2021-03-26 11:44:27,723 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 11:44:27,728 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. [2021-03-26 11:44:27,728 INFO L82 GeneralOperation]: Start removeDead. Operand has 66 places, 63 transitions, 136 flow [2021-03-26 11:44:27,733 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 65 places, 62 transitions, 132 flow [2021-03-26 11:44:27,734 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:44:27,746 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 62 transitions, 132 flow [2021-03-26 11:44:27,748 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 62 transitions, 132 flow [2021-03-26 11:44:27,749 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 62 transitions, 132 flow [2021-03-26 11:44:27,759 INFO L129 PetriNetUnfolder]: 4/73 cut-off events. [2021-03-26 11:44:27,760 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 11:44:27,760 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. [2021-03-26 11:44:27,762 INFO L142 LiptonReduction]: Number of co-enabled transitions 640 [2021-03-26 11:44:28,874 INFO L154 LiptonReduction]: Checked pairs total: 448 [2021-03-26 11:44:28,874 INFO L156 LiptonReduction]: Total number of compositions: 49 [2021-03-26 11:44:28,876 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1143 [2021-03-26 11:44:28,883 INFO L129 PetriNetUnfolder]: 0/11 cut-off events. [2021-03-26 11:44:28,883 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 11:44:28,883 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:44:28,883 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:44:28,884 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 11:44:28,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:44:28,887 INFO L82 PathProgramCache]: Analyzing trace with hash -627378952, now seen corresponding path program 1 times [2021-03-26 11:44:28,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:44:28,892 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040066701] [2021-03-26 11:44:28,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:44:28,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:44:29,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:29,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 11:44:29,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:29,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:29,018 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-26 11:44:29,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 11:44:29,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:29,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:29,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:29,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 11:44:29,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:44:29,037 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040066701] [2021-03-26 11:44:29,038 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:44:29,038 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 11:44:29,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755236550] [2021-03-26 11:44:29,043 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 11:44:29,043 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:44:29,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 11:44:29,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-26 11:44:29,052 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 112 [2021-03-26 11:44:29,054 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) [2021-03-26 11:44:29,054 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:44:29,054 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 112 [2021-03-26 11:44:29,055 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:44:29,114 INFO L129 PetriNetUnfolder]: 20/74 cut-off events. [2021-03-26 11:44:29,114 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 11:44:29,115 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. [2021-03-26 11:44:29,116 INFO L132 encePairwiseOnDemand]: 105/112 looper letters, 11 selfloop transitions, 7 changer transitions 2/28 dead transitions. [2021-03-26 11:44:29,116 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 28 transitions, 104 flow [2021-03-26 11:44:29,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 11:44:29,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 11:44:29,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 484 transitions. [2021-03-26 11:44:29,125 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6173469387755102 [2021-03-26 11:44:29,125 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 484 transitions. [2021-03-26 11:44:29,126 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 484 transitions. [2021-03-26 11:44:29,127 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:44:29,128 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 484 transitions. [2021-03-26 11:44:29,130 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) [2021-03-26 11:44:29,135 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) [2021-03-26 11:44:29,135 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) [2021-03-26 11:44:29,136 INFO L185 Difference]: Start difference. First operand has 25 places, 19 transitions, 46 flow. Second operand 7 states and 484 transitions. [2021-03-26 11:44:29,137 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 28 transitions, 104 flow [2021-03-26 11:44:29,138 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 28 transitions, 103 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 11:44:29,139 INFO L241 Difference]: Finished difference. Result has 33 places, 22 transitions, 81 flow [2021-03-26 11:44:29,140 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} [2021-03-26 11:44:29,141 INFO L343 CegarLoopForPetriNet]: 25 programPoint places, 8 predicate places. [2021-03-26 11:44:29,141 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:44:29,141 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 22 transitions, 81 flow [2021-03-26 11:44:29,141 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 22 transitions, 81 flow [2021-03-26 11:44:29,141 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 33 places, 22 transitions, 81 flow [2021-03-26 11:44:29,144 INFO L129 PetriNetUnfolder]: 0/28 cut-off events. [2021-03-26 11:44:29,144 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-26 11:44:29,145 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. [2021-03-26 11:44:29,145 INFO L142 LiptonReduction]: Number of co-enabled transitions 110 [2021-03-26 11:44:29,471 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2021-03-26 11:44:29,665 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2021-03-26 11:44:29,820 INFO L154 LiptonReduction]: Checked pairs total: 40 [2021-03-26 11:44:29,820 INFO L156 LiptonReduction]: Total number of compositions: 8 [2021-03-26 11:44:29,820 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 679 [2021-03-26 11:44:29,821 INFO L480 AbstractCegarLoop]: Abstraction has has 26 places, 15 transitions, 61 flow [2021-03-26 11:44:29,822 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) [2021-03-26 11:44:29,822 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:44:29,822 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:44:29,822 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 11:44:29,822 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 11:44:29,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:44:29,822 INFO L82 PathProgramCache]: Analyzing trace with hash 1426010307, now seen corresponding path program 1 times [2021-03-26 11:44:29,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:44:29,823 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609099156] [2021-03-26 11:44:29,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:44:29,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:44:29,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:29,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 11:44:29,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:29,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:29,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:29,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:29,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:29,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:29,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:29,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:29,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:29,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 11:44:29,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:44:29,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609099156] [2021-03-26 11:44:29,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:44:29,891 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 11:44:29,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596330817] [2021-03-26 11:44:29,892 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 11:44:29,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:44:29,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 11:44:29,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-26 11:44:29,894 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 119 [2021-03-26 11:44:29,894 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) [2021-03-26 11:44:29,894 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:44:29,894 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 119 [2021-03-26 11:44:29,894 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:44:29,961 INFO L129 PetriNetUnfolder]: 14/46 cut-off events. [2021-03-26 11:44:29,961 INFO L130 PetriNetUnfolder]: For 50/52 co-relation queries the response was YES. [2021-03-26 11:44:29,961 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. [2021-03-26 11:44:29,962 INFO L132 encePairwiseOnDemand]: 110/119 looper letters, 9 selfloop transitions, 13 changer transitions 4/29 dead transitions. [2021-03-26 11:44:29,962 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 29 transitions, 146 flow [2021-03-26 11:44:29,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 11:44:29,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 11:44:29,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 587 transitions. [2021-03-26 11:44:29,964 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5480859010270775 [2021-03-26 11:44:29,964 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 587 transitions. [2021-03-26 11:44:29,964 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 587 transitions. [2021-03-26 11:44:29,964 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:44:29,964 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 587 transitions. [2021-03-26 11:44:29,965 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) [2021-03-26 11:44:29,967 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) [2021-03-26 11:44:29,967 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) [2021-03-26 11:44:29,968 INFO L185 Difference]: Start difference. First operand has 26 places, 15 transitions, 61 flow. Second operand 9 states and 587 transitions. [2021-03-26 11:44:29,968 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 29 transitions, 146 flow [2021-03-26 11:44:29,968 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 29 transitions, 135 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-26 11:44:29,968 INFO L241 Difference]: Finished difference. Result has 31 places, 19 transitions, 101 flow [2021-03-26 11:44:29,969 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} [2021-03-26 11:44:29,969 INFO L343 CegarLoopForPetriNet]: 25 programPoint places, 6 predicate places. [2021-03-26 11:44:29,969 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:44:29,969 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 31 places, 19 transitions, 101 flow [2021-03-26 11:44:29,969 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 31 places, 19 transitions, 101 flow [2021-03-26 11:44:29,970 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 30 places, 19 transitions, 101 flow [2021-03-26 11:44:29,972 INFO L129 PetriNetUnfolder]: 4/35 cut-off events. [2021-03-26 11:44:29,972 INFO L130 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2021-03-26 11:44:29,972 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. [2021-03-26 11:44:29,973 INFO L142 LiptonReduction]: Number of co-enabled transitions 32 [2021-03-26 11:44:30,200 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 111 [2021-03-26 11:44:30,522 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2021-03-26 11:44:30,634 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-03-26 11:44:30,658 INFO L154 LiptonReduction]: Checked pairs total: 10 [2021-03-26 11:44:30,658 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 11:44:30,658 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 689 [2021-03-26 11:44:30,659 INFO L480 AbstractCegarLoop]: Abstraction has has 28 places, 18 transitions, 97 flow [2021-03-26 11:44:30,659 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) [2021-03-26 11:44:30,659 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:44:30,659 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:44:30,659 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 11:44:30,659 INFO L428 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 11:44:30,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:44:30,660 INFO L82 PathProgramCache]: Analyzing trace with hash 787669915, now seen corresponding path program 1 times [2021-03-26 11:44:30,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:44:30,660 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480521169] [2021-03-26 11:44:30,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:44:30,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 11:44:30,683 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 11:44:30,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 11:44:30,699 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 11:44:30,712 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-26 11:44:30,712 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-26 11:44:30,712 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 11:44:30,713 WARN L342 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-03-26 11:44:30,713 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-03-26 11:44:30,720 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,720 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,720 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,720 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,720 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,720 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,720 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,720 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,721 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,721 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,721 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,721 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,721 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,721 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,721 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,721 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,721 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,721 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,721 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,721 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,721 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,722 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,722 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,722 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,722 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,722 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,722 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,722 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,722 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,722 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,722 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,722 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,723 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,723 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,723 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,723 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,723 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,723 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,723 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,723 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,723 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,723 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,723 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,723 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,723 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,724 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,724 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,724 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,724 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,724 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,724 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,724 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,724 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,724 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,724 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,724 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,725 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,725 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,725 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,725 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,725 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,725 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,725 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,725 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,725 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,725 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,725 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,725 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,726 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,726 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,726 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,726 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,726 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,728 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,728 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,728 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,728 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,728 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,729 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,729 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,729 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,729 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,729 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,729 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,730 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,730 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,730 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,730 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,730 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,730 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:30,731 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-26 11:44:30,731 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-03-26 11:44:30,732 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 11:44:30,732 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 11:44:30,732 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 11:44:30,732 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 11:44:30,732 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 11:44:30,732 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 11:44:30,732 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 11:44:30,732 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 11:44:30,733 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 86 places, 80 transitions, 184 flow [2021-03-26 11:44:30,739 INFO L129 PetriNetUnfolder]: 5/94 cut-off events. [2021-03-26 11:44:30,739 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-26 11:44:30,739 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. [2021-03-26 11:44:30,739 INFO L82 GeneralOperation]: Start removeDead. Operand has 86 places, 80 transitions, 184 flow [2021-03-26 11:44:30,740 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 73 places, 68 transitions, 151 flow [2021-03-26 11:44:30,740 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:44:30,740 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 68 transitions, 151 flow [2021-03-26 11:44:30,740 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 68 transitions, 151 flow [2021-03-26 11:44:30,741 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 68 transitions, 151 flow [2021-03-26 11:44:30,746 INFO L129 PetriNetUnfolder]: 5/94 cut-off events. [2021-03-26 11:44:30,746 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-26 11:44:30,746 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. [2021-03-26 11:44:30,747 INFO L142 LiptonReduction]: Number of co-enabled transitions 980 [2021-03-26 11:44:31,431 INFO L154 LiptonReduction]: Checked pairs total: 720 [2021-03-26 11:44:31,431 INFO L156 LiptonReduction]: Total number of compositions: 46 [2021-03-26 11:44:31,432 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 692 [2021-03-26 11:44:31,435 INFO L129 PetriNetUnfolder]: 0/10 cut-off events. [2021-03-26 11:44:31,435 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 11:44:31,435 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:44:31,435 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:44:31,435 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 11:44:31,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:44:31,436 INFO L82 PathProgramCache]: Analyzing trace with hash -808309528, now seen corresponding path program 1 times [2021-03-26 11:44:31,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:44:31,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459258502] [2021-03-26 11:44:31,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:44:31,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:44:31,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:31,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 11:44:31,466 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 11:44:31,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:31,474 INFO L142 QuantifierPusher]: treesize reduction 6, result has 78.6 percent of original size [2021-03-26 11:44:31,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 11:44:31,487 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 11:44:31,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:31,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:31,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 11:44:31,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:44:31,497 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459258502] [2021-03-26 11:44:31,497 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:44:31,497 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 11:44:31,497 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858940846] [2021-03-26 11:44:31,498 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 11:44:31,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:44:31,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 11:44:31,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-26 11:44:31,499 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 126 [2021-03-26 11:44:31,499 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) [2021-03-26 11:44:31,499 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:44:31,499 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 126 [2021-03-26 11:44:31,499 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:44:31,583 INFO L129 PetriNetUnfolder]: 202/431 cut-off events. [2021-03-26 11:44:31,583 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-03-26 11:44:31,584 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. [2021-03-26 11:44:31,585 INFO L132 encePairwiseOnDemand]: 117/126 looper letters, 23 selfloop transitions, 9 changer transitions 2/47 dead transitions. [2021-03-26 11:44:31,586 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 47 transitions, 177 flow [2021-03-26 11:44:31,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 11:44:31,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 11:44:31,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 557 transitions. [2021-03-26 11:44:31,587 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6315192743764172 [2021-03-26 11:44:31,587 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 557 transitions. [2021-03-26 11:44:31,587 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 557 transitions. [2021-03-26 11:44:31,587 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:44:31,587 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 557 transitions. [2021-03-26 11:44:31,588 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) [2021-03-26 11:44:31,589 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) [2021-03-26 11:44:31,590 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) [2021-03-26 11:44:31,590 INFO L185 Difference]: Start difference. First operand has 36 places, 29 transitions, 73 flow. Second operand 7 states and 557 transitions. [2021-03-26 11:44:31,590 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 47 transitions, 177 flow [2021-03-26 11:44:31,590 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 47 transitions, 174 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-03-26 11:44:31,591 INFO L241 Difference]: Finished difference. Result has 43 places, 33 transitions, 123 flow [2021-03-26 11:44:31,591 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} [2021-03-26 11:44:31,591 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 7 predicate places. [2021-03-26 11:44:31,591 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:44:31,591 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 33 transitions, 123 flow [2021-03-26 11:44:31,592 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 33 transitions, 123 flow [2021-03-26 11:44:31,592 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 33 transitions, 123 flow [2021-03-26 11:44:31,595 INFO L129 PetriNetUnfolder]: 9/66 cut-off events. [2021-03-26 11:44:31,595 INFO L130 PetriNetUnfolder]: For 21/39 co-relation queries the response was YES. [2021-03-26 11:44:31,596 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 179 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. [2021-03-26 11:44:31,596 INFO L142 LiptonReduction]: Number of co-enabled transitions 324 [2021-03-26 11:44:32,017 INFO L154 LiptonReduction]: Checked pairs total: 252 [2021-03-26 11:44:32,017 INFO L156 LiptonReduction]: Total number of compositions: 6 [2021-03-26 11:44:32,017 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 426 [2021-03-26 11:44:32,018 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 28 transitions, 109 flow [2021-03-26 11:44:32,018 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) [2021-03-26 11:44:32,018 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:44:32,018 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:44:32,019 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 11:44:32,019 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 11:44:32,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:44:32,019 INFO L82 PathProgramCache]: Analyzing trace with hash -1682023093, now seen corresponding path program 1 times [2021-03-26 11:44:32,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:44:32,019 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051494252] [2021-03-26 11:44:32,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:44:32,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:44:32,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:32,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 11:44:32,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:32,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:32,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:32,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:32,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:32,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:32,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:32,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:32,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:32,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:32,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:32,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 11:44:32,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:44:32,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051494252] [2021-03-26 11:44:32,067 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:44:32,068 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 11:44:32,068 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890056407] [2021-03-26 11:44:32,068 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 11:44:32,068 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:44:32,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 11:44:32,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-03-26 11:44:32,069 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 131 [2021-03-26 11:44:32,069 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) [2021-03-26 11:44:32,069 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:44:32,070 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 131 [2021-03-26 11:44:32,070 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:44:32,315 INFO L129 PetriNetUnfolder]: 312/717 cut-off events. [2021-03-26 11:44:32,315 INFO L130 PetriNetUnfolder]: For 333/333 co-relation queries the response was YES. [2021-03-26 11:44:32,317 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1819 conditions, 717 events. 312/717 cut-off events. For 333/333 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 4363 event pairs, 54 based on Foata normal form. 24/632 useless extension candidates. Maximal degree in co-relation 1799. Up to 215 conditions per place. [2021-03-26 11:44:32,320 INFO L132 encePairwiseOnDemand]: 119/131 looper letters, 59 selfloop transitions, 34 changer transitions 7/107 dead transitions. [2021-03-26 11:44:32,320 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 107 transitions, 536 flow [2021-03-26 11:44:32,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-26 11:44:32,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-26 11:44:32,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 1482 transitions. [2021-03-26 11:44:32,323 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.565648854961832 [2021-03-26 11:44:32,323 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 1482 transitions. [2021-03-26 11:44:32,323 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 1482 transitions. [2021-03-26 11:44:32,324 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:44:32,324 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 1482 transitions. [2021-03-26 11:44:32,326 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) [2021-03-26 11:44:32,329 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) [2021-03-26 11:44:32,330 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) [2021-03-26 11:44:32,330 INFO L185 Difference]: Start difference. First operand has 39 places, 28 transitions, 109 flow. Second operand 20 states and 1482 transitions. [2021-03-26 11:44:32,330 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 107 transitions, 536 flow [2021-03-26 11:44:32,333 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 107 transitions, 517 flow, removed 3 selfloop flow, removed 4 redundant places. [2021-03-26 11:44:32,334 INFO L241 Difference]: Finished difference. Result has 64 places, 54 transitions, 332 flow [2021-03-26 11:44:32,334 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} [2021-03-26 11:44:32,335 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 28 predicate places. [2021-03-26 11:44:32,335 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:44:32,335 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 54 transitions, 332 flow [2021-03-26 11:44:32,335 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 54 transitions, 332 flow [2021-03-26 11:44:32,335 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 54 transitions, 332 flow [2021-03-26 11:44:32,344 INFO L129 PetriNetUnfolder]: 13/136 cut-off events. [2021-03-26 11:44:32,344 INFO L130 PetriNetUnfolder]: For 188/196 co-relation queries the response was YES. [2021-03-26 11:44:32,345 INFO L84 FinitePrefix]: Finished finitePrefix Result has 381 conditions, 136 events. 13/136 cut-off events. For 188/196 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 628 event pairs, 4 based on Foata normal form. 1/128 useless extension candidates. Maximal degree in co-relation 356. Up to 37 conditions per place. [2021-03-26 11:44:32,346 INFO L142 LiptonReduction]: Number of co-enabled transitions 464 [2021-03-26 11:44:32,640 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2021-03-26 11:44:32,940 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2021-03-26 11:44:33,504 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2021-03-26 11:44:33,609 INFO L154 LiptonReduction]: Checked pairs total: 430 [2021-03-26 11:44:33,609 INFO L156 LiptonReduction]: Total number of compositions: 10 [2021-03-26 11:44:33,609 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1274 [2021-03-26 11:44:33,610 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 52 transitions, 331 flow [2021-03-26 11:44:33,610 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) [2021-03-26 11:44:33,610 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:44:33,620 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:44:33,620 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 11:44:33,620 INFO L428 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 11:44:33,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:44:33,621 INFO L82 PathProgramCache]: Analyzing trace with hash 681943789, now seen corresponding path program 1 times [2021-03-26 11:44:33,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:44:33,621 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434757538] [2021-03-26 11:44:33,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:44:33,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:44:33,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 11:44:33,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:33,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:33,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 11:44:33,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:33,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:33,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:33,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 11:44:33,681 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:44:33,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434757538] [2021-03-26 11:44:33,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1475417652] [2021-03-26 11:44:33,681 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 [2021-03-26 11:44:33,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:44:33,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-26 11:44:33,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 11:44:33,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 11:44:33,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 11:44:33,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 11:44:33,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 11:44:33,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 11:44:33,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 11:44:33,776 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-03-26 11:44:33,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 11:44:33,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 11:44:33,798 INFO L142 QuantifierPusher]: treesize reduction 13, result has 56.7 percent of original size [2021-03-26 11:44:33,798 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-26 11:44:33,799 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-26 11:44:33,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:33,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:33,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:33,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:33,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:33,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:33,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:33,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:33,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:33,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:33,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:33,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:33,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:33,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:33,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:33,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:33,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:33,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:33,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:33,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:33,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:33,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:33,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:33,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:33,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:33,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:33,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:33,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:33,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:33,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:33,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:33,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:33,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:33,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:33,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:33,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:33,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:33,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:33,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:33,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:33,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:33,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:33,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:33,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:33,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:33,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:33,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:33,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:33,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:33,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:33,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:33,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 11:44:33,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:33,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:33,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 11:44:33,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:33,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:33,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 11:44:33,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:33,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 11:44:33,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:44:33,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:33,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:33,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 11:44:33,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:33,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 11:44:33,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 11:44:33,894 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size [2021-03-26 11:44:33,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:33,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,899 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 11:44:33,902 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:33,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 11:44:33,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 11:44:33,906 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 11:44:33,907 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:33,908 INFO L142 QuantifierPusher]: treesize reduction 15, result has 42.3 percent of original size [2021-03-26 11:44:33,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:33,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:33,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:33,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:33,918 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-03-26 11:44:33,919 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-26 11:44:33,919 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 13 [2021-03-26 11:44:33,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817209911] [2021-03-26 11:44:33,919 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 11:44:33,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:44:33,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 11:44:33,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-03-26 11:44:33,920 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 141 [2021-03-26 11:44:33,921 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) [2021-03-26 11:44:33,921 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:44:33,921 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 141 [2021-03-26 11:44:33,921 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:44:34,165 INFO L129 PetriNetUnfolder]: 207/501 cut-off events. [2021-03-26 11:44:34,166 INFO L130 PetriNetUnfolder]: For 982/991 co-relation queries the response was YES. [2021-03-26 11:44:34,167 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1856 conditions, 501 events. 207/501 cut-off events. For 982/991 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 3505 event pairs, 10 based on Foata normal form. 21/444 useless extension candidates. Maximal degree in co-relation 1831. Up to 181 conditions per place. [2021-03-26 11:44:34,168 INFO L132 encePairwiseOnDemand]: 131/141 looper letters, 52 selfloop transitions, 37 changer transitions 6/108 dead transitions. [2021-03-26 11:44:34,168 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 108 transitions, 841 flow [2021-03-26 11:44:34,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 11:44:34,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 11:44:34,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1052 transitions. [2021-03-26 11:44:34,170 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5739225313693399 [2021-03-26 11:44:34,170 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1052 transitions. [2021-03-26 11:44:34,170 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1052 transitions. [2021-03-26 11:44:34,171 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:44:34,171 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1052 transitions. [2021-03-26 11:44:34,172 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 80.92307692307692) internal successors, (1052), 13 states have internal predecessors, (1052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:44:34,174 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) [2021-03-26 11:44:34,175 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) [2021-03-26 11:44:34,175 INFO L185 Difference]: Start difference. First operand has 61 places, 52 transitions, 331 flow. Second operand 13 states and 1052 transitions. [2021-03-26 11:44:34,175 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 108 transitions, 841 flow [2021-03-26 11:44:34,180 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 108 transitions, 760 flow, removed 27 selfloop flow, removed 2 redundant places. [2021-03-26 11:44:34,182 INFO L241 Difference]: Finished difference. Result has 77 places, 71 transitions, 542 flow [2021-03-26 11:44:34,182 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} [2021-03-26 11:44:34,182 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 41 predicate places. [2021-03-26 11:44:34,182 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:44:34,183 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 71 transitions, 542 flow [2021-03-26 11:44:34,183 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 71 transitions, 542 flow [2021-03-26 11:44:34,183 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 77 places, 71 transitions, 542 flow [2021-03-26 11:44:34,194 INFO L129 PetriNetUnfolder]: 14/137 cut-off events. [2021-03-26 11:44:34,194 INFO L130 PetriNetUnfolder]: For 325/340 co-relation queries the response was YES. [2021-03-26 11:44:34,194 INFO L84 FinitePrefix]: Finished finitePrefix Result has 485 conditions, 137 events. 14/137 cut-off events. For 325/340 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 694 event pairs, 0 based on Foata normal form. 1/129 useless extension candidates. Maximal degree in co-relation 456. Up to 31 conditions per place. [2021-03-26 11:44:34,195 INFO L142 LiptonReduction]: Number of co-enabled transitions 760 [2021-03-26 11:44:34,360 INFO L154 LiptonReduction]: Checked pairs total: 298 [2021-03-26 11:44:34,360 INFO L156 LiptonReduction]: Total number of compositions: 13 [2021-03-26 11:44:34,360 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 178 [2021-03-26 11:44:34,360 INFO L480 AbstractCegarLoop]: Abstraction has has 75 places, 66 transitions, 513 flow [2021-03-26 11:44:34,361 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) [2021-03-26 11:44:34,361 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:44:34,362 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:44:34,579 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-03-26 11:44:34,580 INFO L428 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 11:44:34,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:44:34,580 INFO L82 PathProgramCache]: Analyzing trace with hash -283977396, now seen corresponding path program 1 times [2021-03-26 11:44:34,580 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:44:34,580 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044283049] [2021-03-26 11:44:34,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:44:34,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:44:34,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:34,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:34,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:34,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:34,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:34,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 11:44:34,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 11:44:34,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:34,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 11:44:34,704 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:44:34,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044283049] [2021-03-26 11:44:34,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [608797919] [2021-03-26 11:44:34,705 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 [2021-03-26 11:44:34,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:44:34,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-26 11:44:34,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 11:44:34,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:34,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:34,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:34,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:34,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:34,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:34,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:34,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:34,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:34,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:34,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:34,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:34,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:34,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:34,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:34,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:34,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:34,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:34,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:34,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:34,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:34,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:34,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:44:34,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:34,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 11:44:34,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:44:34,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:34,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:34,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:34,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:34,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:34,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:34,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:34,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:34,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:34,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 11:44:34,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:34,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:34,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:34,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:34,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:34,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:34,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:34,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:34,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:34,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:34,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:34,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:34,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:34,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 11:44:34,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:34,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:34,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 11:44:34,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:34,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 11:44:34,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 11:44:34,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:34,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:34,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:34,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:34,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:34,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 11:44:34,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:34,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:34,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 11:44:34,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:34,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 11:44:34,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 11:44:34,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:34,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:34,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 11:44:34,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:34,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 11:44:34,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 11:44:34,915 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-26 11:44:34,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:34,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,919 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 11:44:34,921 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:34,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 11:44:34,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 11:44:34,928 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 11:44:34,929 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:34,930 INFO L142 QuantifierPusher]: treesize reduction 12, result has 40.0 percent of original size [2021-03-26 11:44:34,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:34,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:34,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:34,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:34,940 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:44:34,940 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 11:44:34,940 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 18 [2021-03-26 11:44:34,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792017783] [2021-03-26 11:44:34,941 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-26 11:44:34,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:44:34,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-26 11:44:34,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2021-03-26 11:44:34,943 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 151 [2021-03-26 11:44:34,944 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 66 transitions, 513 flow. Second operand has 20 states, 20 states have (on average 68.3) internal successors, (1366), 20 states have internal predecessors, (1366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:44:34,944 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:44:34,944 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 151 [2021-03-26 11:44:34,944 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:44:35,718 INFO L129 PetriNetUnfolder]: 315/690 cut-off events. [2021-03-26 11:44:35,718 INFO L130 PetriNetUnfolder]: For 2440/2440 co-relation queries the response was YES. [2021-03-26 11:44:35,720 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2938 conditions, 690 events. 315/690 cut-off events. For 2440/2440 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 3995 event pairs, 5 based on Foata normal form. 7/697 useless extension candidates. Maximal degree in co-relation 2906. Up to 133 conditions per place. [2021-03-26 11:44:35,722 INFO L132 encePairwiseOnDemand]: 129/151 looper letters, 93 selfloop transitions, 87 changer transitions 21/205 dead transitions. [2021-03-26 11:44:35,722 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 205 transitions, 1685 flow [2021-03-26 11:44:35,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-03-26 11:44:35,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2021-03-26 11:44:35,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 2473 transitions. [2021-03-26 11:44:35,727 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.48169068952084143 [2021-03-26 11:44:35,727 INFO L72 ComplementDD]: Start complementDD. Operand 34 states and 2473 transitions. [2021-03-26 11:44:35,727 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 2473 transitions. [2021-03-26 11:44:35,728 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:44:35,728 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 34 states and 2473 transitions. [2021-03-26 11:44:35,731 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 35 states, 34 states have (on average 72.73529411764706) internal successors, (2473), 34 states have internal predecessors, (2473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:44:35,737 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 35 states, 35 states have (on average 151.0) internal successors, (5285), 35 states have internal predecessors, (5285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:44:35,738 INFO L81 ComplementDD]: Finished complementDD. Result has 35 states, 35 states have (on average 151.0) internal successors, (5285), 35 states have internal predecessors, (5285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:44:35,738 INFO L185 Difference]: Start difference. First operand has 75 places, 66 transitions, 513 flow. Second operand 34 states and 2473 transitions. [2021-03-26 11:44:35,738 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 205 transitions, 1685 flow [2021-03-26 11:44:35,750 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 205 transitions, 1607 flow, removed 20 selfloop flow, removed 4 redundant places. [2021-03-26 11:44:35,754 INFO L241 Difference]: Finished difference. Result has 123 places, 104 transitions, 1051 flow [2021-03-26 11:44:35,754 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=151, PETRI_DIFFERENCE_MINUEND_FLOW=442, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=34, PETRI_FLOW=1051, PETRI_PLACES=123, PETRI_TRANSITIONS=104} [2021-03-26 11:44:35,754 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 87 predicate places. [2021-03-26 11:44:35,754 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:44:35,755 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 123 places, 104 transitions, 1051 flow [2021-03-26 11:44:35,755 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 123 places, 104 transitions, 1051 flow [2021-03-26 11:44:35,755 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 123 places, 104 transitions, 1051 flow [2021-03-26 11:44:35,772 INFO L129 PetriNetUnfolder]: 66/266 cut-off events. [2021-03-26 11:44:35,772 INFO L130 PetriNetUnfolder]: For 2402/2438 co-relation queries the response was YES. [2021-03-26 11:44:35,773 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1432 conditions, 266 events. 66/266 cut-off events. For 2402/2438 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1518 event pairs, 0 based on Foata normal form. 2/265 useless extension candidates. Maximal degree in co-relation 1386. Up to 44 conditions per place. [2021-03-26 11:44:35,775 INFO L142 LiptonReduction]: Number of co-enabled transitions 858 [2021-03-26 11:44:35,883 INFO L154 LiptonReduction]: Checked pairs total: 667 [2021-03-26 11:44:35,884 INFO L156 LiptonReduction]: Total number of compositions: 11 [2021-03-26 11:44:35,884 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 130 [2021-03-26 11:44:35,885 INFO L480 AbstractCegarLoop]: Abstraction has has 123 places, 104 transitions, 1051 flow [2021-03-26 11:44:35,885 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 68.3) internal successors, (1366), 20 states have internal predecessors, (1366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:44:35,885 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:44:35,885 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:44:36,100 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 11:44:36,101 INFO L428 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 11:44:36,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:44:36,101 INFO L82 PathProgramCache]: Analyzing trace with hash -1165744104, now seen corresponding path program 1 times [2021-03-26 11:44:36,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:44:36,101 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898079964] [2021-03-26 11:44:36,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:44:36,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:44:36,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:36,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:36,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:36,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:36,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 11:44:36,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 11:44:36,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:36,168 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:44:36,168 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898079964] [2021-03-26 11:44:36,169 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [71828741] [2021-03-26 11:44:36,169 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 [2021-03-26 11:44:36,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:44:36,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-26 11:44:36,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 11:44:36,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:36,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:36,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:36,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:36,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:36,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:36,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:36,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:36,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:36,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:36,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:36,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:36,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:36,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:36,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:36,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:36,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:36,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:36,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:36,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:36,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:36,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:36,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:44:36,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:36,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 11:44:36,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:44:36,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:36,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:36,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:36,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:36,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:36,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:36,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:36,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:36,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:36,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 11:44:36,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:36,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:36,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:36,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:36,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:36,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:36,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:36,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:36,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:36,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:36,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:36,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:36,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:44:36,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:36,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 11:44:36,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:44:36,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:36,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:36,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:36,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:36,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:36,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 11:44:36,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:36,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:36,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 11:44:36,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:36,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 11:44:36,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 11:44:36,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:36,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:36,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:36,324 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:44:36,324 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 11:44:36,324 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-03-26 11:44:36,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494085309] [2021-03-26 11:44:36,325 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-26 11:44:36,325 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:44:36,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-26 11:44:36,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2021-03-26 11:44:36,327 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 162 [2021-03-26 11:44:36,327 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 104 transitions, 1051 flow. Second operand has 16 states, 16 states have (on average 74.125) internal successors, (1186), 16 states have internal predecessors, (1186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:44:36,328 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:44:36,328 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 162 [2021-03-26 11:44:36,328 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:44:36,593 INFO L129 PetriNetUnfolder]: 329/698 cut-off events. [2021-03-26 11:44:36,593 INFO L130 PetriNetUnfolder]: For 8772/8789 co-relation queries the response was YES. [2021-03-26 11:44:36,595 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4394 conditions, 698 events. 329/698 cut-off events. For 8772/8789 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 4143 event pairs, 36 based on Foata normal form. 16/710 useless extension candidates. Maximal degree in co-relation 4346. Up to 203 conditions per place. [2021-03-26 11:44:36,598 INFO L132 encePairwiseOnDemand]: 139/162 looper letters, 70 selfloop transitions, 69 changer transitions 9/154 dead transitions. [2021-03-26 11:44:36,598 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 154 transitions, 1935 flow [2021-03-26 11:44:36,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 11:44:36,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 11:44:36,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1042 transitions. [2021-03-26 11:44:36,601 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.49477682811016144 [2021-03-26 11:44:36,601 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1042 transitions. [2021-03-26 11:44:36,601 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1042 transitions. [2021-03-26 11:44:36,601 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:44:36,602 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1042 transitions. [2021-03-26 11:44:36,604 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 80.15384615384616) internal successors, (1042), 13 states have internal predecessors, (1042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:44:36,606 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 162.0) internal successors, (2268), 14 states have internal predecessors, (2268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:44:36,606 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 162.0) internal successors, (2268), 14 states have internal predecessors, (2268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:44:36,606 INFO L185 Difference]: Start difference. First operand has 123 places, 104 transitions, 1051 flow. Second operand 13 states and 1042 transitions. [2021-03-26 11:44:36,606 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 154 transitions, 1935 flow [2021-03-26 11:44:36,622 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 154 transitions, 1549 flow, removed 50 selfloop flow, removed 20 redundant places. [2021-03-26 11:44:36,625 INFO L241 Difference]: Finished difference. Result has 116 places, 113 transitions, 1003 flow [2021-03-26 11:44:36,625 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=717, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=57, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1003, PETRI_PLACES=116, PETRI_TRANSITIONS=113} [2021-03-26 11:44:36,626 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 80 predicate places. [2021-03-26 11:44:36,626 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:44:36,626 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 116 places, 113 transitions, 1003 flow [2021-03-26 11:44:36,626 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 116 places, 113 transitions, 1003 flow [2021-03-26 11:44:36,627 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 115 places, 113 transitions, 1003 flow [2021-03-26 11:44:36,641 INFO L129 PetriNetUnfolder]: 62/258 cut-off events. [2021-03-26 11:44:36,641 INFO L130 PetriNetUnfolder]: For 2003/2060 co-relation queries the response was YES. [2021-03-26 11:44:36,642 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1198 conditions, 258 events. 62/258 cut-off events. For 2003/2060 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1495 event pairs, 0 based on Foata normal form. 5/259 useless extension candidates. Maximal degree in co-relation 1158. Up to 40 conditions per place. [2021-03-26 11:44:36,643 INFO L142 LiptonReduction]: Number of co-enabled transitions 838 [2021-03-26 11:44:36,738 INFO L154 LiptonReduction]: Checked pairs total: 704 [2021-03-26 11:44:36,738 INFO L156 LiptonReduction]: Total number of compositions: 12 [2021-03-26 11:44:36,738 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 112 [2021-03-26 11:44:36,739 INFO L480 AbstractCegarLoop]: Abstraction has has 115 places, 113 transitions, 1008 flow [2021-03-26 11:44:36,739 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 74.125) internal successors, (1186), 16 states have internal predecessors, (1186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:44:36,739 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:44:36,739 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:44:36,954 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-03-26 11:44:36,955 INFO L428 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 11:44:36,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:44:36,955 INFO L82 PathProgramCache]: Analyzing trace with hash -1770825925, now seen corresponding path program 1 times [2021-03-26 11:44:36,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:44:36,955 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620135067] [2021-03-26 11:44:36,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:44:36,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 11:44:36,975 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 11:44:36,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 11:44:36,993 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 11:44:36,996 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-26 11:44:36,996 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-26 11:44:36,996 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-26 11:44:36,996 WARN L342 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-03-26 11:44:37,001 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-03-26 11:44:37,014 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,014 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,014 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,014 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,014 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,014 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,014 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,014 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,014 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,014 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,014 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,014 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,015 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,015 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,015 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,015 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,015 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,015 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,015 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,015 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,015 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,015 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,015 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,015 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,015 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,015 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,015 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,015 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,015 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,015 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,016 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,016 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,016 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,016 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,016 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,016 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,016 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,016 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,016 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,016 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,016 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,016 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,018 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,018 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,018 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,018 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,018 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,018 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,018 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,018 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,018 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,018 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,018 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,018 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,018 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,018 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,018 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,018 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,018 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,019 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,019 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,019 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,019 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,020 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,020 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,020 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,020 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,020 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,020 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,020 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,020 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,020 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,020 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,020 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,020 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,020 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,020 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,020 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,020 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,020 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,020 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,020 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,021 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,021 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,021 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,021 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,021 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,021 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,021 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,021 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,021 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,021 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,021 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,021 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,021 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,021 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,021 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,021 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,022 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,022 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,022 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,022 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,022 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,022 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,022 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,022 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,023 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,023 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,023 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,024 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,024 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,024 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,025 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,025 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,025 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,025 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,025 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,025 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,025 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,026 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,026 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,026 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,026 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,026 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,027 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,027 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,027 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,027 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,027 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,028 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,028 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,028 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,028 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,028 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,028 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:37,029 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-26 11:44:37,029 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-26 11:44:37,030 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 11:44:37,030 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 11:44:37,030 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 11:44:37,030 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 11:44:37,030 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 11:44:37,030 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 11:44:37,030 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 11:44:37,030 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 11:44:37,031 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 106 places, 97 transitions, 236 flow [2021-03-26 11:44:37,039 INFO L129 PetriNetUnfolder]: 6/115 cut-off events. [2021-03-26 11:44:37,040 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-03-26 11:44:37,040 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. [2021-03-26 11:44:37,040 INFO L82 GeneralOperation]: Start removeDead. Operand has 106 places, 97 transitions, 236 flow [2021-03-26 11:44:37,040 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 81 places, 74 transitions, 172 flow [2021-03-26 11:44:37,041 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:44:37,041 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 74 transitions, 172 flow [2021-03-26 11:44:37,041 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 74 transitions, 172 flow [2021-03-26 11:44:37,041 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 81 places, 74 transitions, 172 flow [2021-03-26 11:44:37,049 INFO L129 PetriNetUnfolder]: 6/115 cut-off events. [2021-03-26 11:44:37,049 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-03-26 11:44:37,049 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 156 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. [2021-03-26 11:44:37,050 INFO L142 LiptonReduction]: Number of co-enabled transitions 1380 [2021-03-26 11:44:38,048 INFO L154 LiptonReduction]: Checked pairs total: 935 [2021-03-26 11:44:38,048 INFO L156 LiptonReduction]: Total number of compositions: 48 [2021-03-26 11:44:38,048 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1007 [2021-03-26 11:44:38,050 INFO L129 PetriNetUnfolder]: 0/11 cut-off events. [2021-03-26 11:44:38,050 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 11:44:38,050 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:44:38,050 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:44:38,050 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 11:44:38,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:44:38,050 INFO L82 PathProgramCache]: Analyzing trace with hash 1541779759, now seen corresponding path program 1 times [2021-03-26 11:44:38,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:44:38,051 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96759769] [2021-03-26 11:44:38,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:44:38,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:44:38,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:38,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 11:44:38,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:38,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:38,089 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-26 11:44:38,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 11:44:38,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:38,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:38,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:38,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 11:44:38,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:44:38,108 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96759769] [2021-03-26 11:44:38,108 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:44:38,108 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 11:44:38,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016763033] [2021-03-26 11:44:38,108 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 11:44:38,108 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:44:38,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 11:44:38,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-26 11:44:38,109 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 145 [2021-03-26 11:44:38,110 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) [2021-03-26 11:44:38,110 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:44:38,110 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 145 [2021-03-26 11:44:38,110 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:44:38,251 INFO L129 PetriNetUnfolder]: 1079/1721 cut-off events. [2021-03-26 11:44:38,252 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-03-26 11:44:38,253 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 257. Compared 10852 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. [2021-03-26 11:44:38,258 INFO L132 encePairwiseOnDemand]: 136/145 looper letters, 31 selfloop transitions, 10 changer transitions 2/56 dead transitions. [2021-03-26 11:44:38,258 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 56 transitions, 222 flow [2021-03-26 11:44:38,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 11:44:38,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 11:44:38,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 650 transitions. [2021-03-26 11:44:38,260 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6403940886699507 [2021-03-26 11:44:38,260 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 650 transitions. [2021-03-26 11:44:38,260 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 650 transitions. [2021-03-26 11:44:38,262 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:44:38,262 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 650 transitions. [2021-03-26 11:44:38,265 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) [2021-03-26 11:44:38,267 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) [2021-03-26 11:44:38,267 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) [2021-03-26 11:44:38,267 INFO L185 Difference]: Start difference. First operand has 40 places, 31 transitions, 86 flow. Second operand 7 states and 650 transitions. [2021-03-26 11:44:38,267 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 56 transitions, 222 flow [2021-03-26 11:44:38,267 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 56 transitions, 215 flow, removed 3 selfloop flow, removed 1 redundant places. [2021-03-26 11:44:38,268 INFO L241 Difference]: Finished difference. Result has 47 places, 36 transitions, 139 flow [2021-03-26 11:44:38,268 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} [2021-03-26 11:44:38,268 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 7 predicate places. [2021-03-26 11:44:38,268 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:44:38,268 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 36 transitions, 139 flow [2021-03-26 11:44:38,269 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 36 transitions, 139 flow [2021-03-26 11:44:38,269 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 36 transitions, 139 flow [2021-03-26 11:44:38,274 INFO L129 PetriNetUnfolder]: 28/111 cut-off events. [2021-03-26 11:44:38,275 INFO L130 PetriNetUnfolder]: For 43/105 co-relation queries the response was YES. [2021-03-26 11:44:38,275 INFO L84 FinitePrefix]: Finished finitePrefix Result has 240 conditions, 111 events. 28/111 cut-off events. For 43/105 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 341 event pairs, 12 based on Foata normal form. 1/94 useless extension candidates. Maximal degree in co-relation 221. Up to 48 conditions per place. [2021-03-26 11:44:38,276 INFO L142 LiptonReduction]: Number of co-enabled transitions 456 [2021-03-26 11:44:38,549 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2021-03-26 11:44:38,851 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2021-03-26 11:44:39,120 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-03-26 11:44:39,771 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2021-03-26 11:44:39,874 INFO L154 LiptonReduction]: Checked pairs total: 555 [2021-03-26 11:44:39,874 INFO L156 LiptonReduction]: Total number of compositions: 6 [2021-03-26 11:44:39,874 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1606 [2021-03-26 11:44:39,874 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 30 transitions, 123 flow [2021-03-26 11:44:39,875 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) [2021-03-26 11:44:39,875 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:44:39,875 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:44:39,875 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-26 11:44:39,875 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 11:44:39,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:44:39,876 INFO L82 PathProgramCache]: Analyzing trace with hash -466839824, now seen corresponding path program 1 times [2021-03-26 11:44:39,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:44:39,876 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782841508] [2021-03-26 11:44:39,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:44:39,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:44:39,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:39,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 11:44:39,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:39,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:39,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:39,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:39,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:39,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:39,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:39,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:39,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:39,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:39,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:39,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 11:44:39,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:44:39,941 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782841508] [2021-03-26 11:44:39,941 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:44:39,941 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 11:44:39,941 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8032927] [2021-03-26 11:44:39,942 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 11:44:39,942 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:44:39,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 11:44:39,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-03-26 11:44:39,942 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 151 [2021-03-26 11:44:39,943 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) [2021-03-26 11:44:39,943 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:44:39,943 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 151 [2021-03-26 11:44:39,943 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:44:40,372 INFO L129 PetriNetUnfolder]: 2753/4416 cut-off events. [2021-03-26 11:44:40,372 INFO L130 PetriNetUnfolder]: For 2189/2189 co-relation queries the response was YES. [2021-03-26 11:44:40,377 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11625 conditions, 4416 events. 2753/4416 cut-off events. For 2189/2189 co-relation queries the response was YES. Maximal size of possible extension queue 300. Compared 27683 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. [2021-03-26 11:44:40,390 INFO L132 encePairwiseOnDemand]: 140/151 looper letters, 88 selfloop transitions, 37 changer transitions 5/136 dead transitions. [2021-03-26 11:44:40,390 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 136 transitions, 695 flow [2021-03-26 11:44:40,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 11:44:40,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 11:44:40,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1379 transitions. [2021-03-26 11:44:40,394 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6088300220750552 [2021-03-26 11:44:40,394 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1379 transitions. [2021-03-26 11:44:40,394 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1379 transitions. [2021-03-26 11:44:40,395 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:44:40,395 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1379 transitions. [2021-03-26 11:44:40,396 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) [2021-03-26 11:44:40,399 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) [2021-03-26 11:44:40,400 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) [2021-03-26 11:44:40,400 INFO L185 Difference]: Start difference. First operand has 39 places, 30 transitions, 123 flow. Second operand 15 states and 1379 transitions. [2021-03-26 11:44:40,400 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 136 transitions, 695 flow [2021-03-26 11:44:40,403 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 136 transitions, 688 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 11:44:40,404 INFO L241 Difference]: Finished difference. Result has 61 places, 59 transitions, 393 flow [2021-03-26 11:44:40,404 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} [2021-03-26 11:44:40,404 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 21 predicate places. [2021-03-26 11:44:40,404 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:44:40,404 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 59 transitions, 393 flow [2021-03-26 11:44:40,404 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 59 transitions, 393 flow [2021-03-26 11:44:40,405 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 59 transitions, 393 flow [2021-03-26 11:44:40,420 INFO L129 PetriNetUnfolder]: 84/318 cut-off events. [2021-03-26 11:44:40,420 INFO L130 PetriNetUnfolder]: For 841/1149 co-relation queries the response was YES. [2021-03-26 11:44:40,421 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1088 conditions, 318 events. 84/318 cut-off events. For 841/1149 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 1747 event pairs, 27 based on Foata normal form. 3/291 useless extension candidates. Maximal degree in co-relation 1065. Up to 125 conditions per place. [2021-03-26 11:44:40,424 INFO L142 LiptonReduction]: Number of co-enabled transitions 792 [2021-03-26 11:44:40,494 INFO L154 LiptonReduction]: Checked pairs total: 1423 [2021-03-26 11:44:40,495 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-26 11:44:40,495 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 91 [2021-03-26 11:44:40,496 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 59 transitions, 395 flow [2021-03-26 11:44:40,496 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) [2021-03-26 11:44:40,496 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:44:40,496 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:44:40,496 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-26 11:44:40,496 INFO L428 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 11:44:40,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:44:40,497 INFO L82 PathProgramCache]: Analyzing trace with hash -1962325262, now seen corresponding path program 1 times [2021-03-26 11:44:40,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:44:40,497 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532115690] [2021-03-26 11:44:40,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:44:40,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:44:40,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:40,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:40,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 11:44:40,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:40,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:40,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:40,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 11:44:40,560 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:44:40,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532115690] [2021-03-26 11:44:40,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1853817003] [2021-03-26 11:44:40,560 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 [2021-03-26 11:44:40,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:44:40,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-26 11:44:40,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 11:44:40,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 11:44:40,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:44:40,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:40,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:40,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:40,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:40,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:40,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:40,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:40,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:40,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:40,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:40,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:40,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:40,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:40,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:40,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:40,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:40,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:40,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:40,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:40,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:40,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:40,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:40,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:40,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:40,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:40,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:40,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:40,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:40,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:40,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:40,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:40,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:40,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:40,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:40,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:40,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:40,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:40,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:40,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:40,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:40,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:40,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:40,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:40,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:40,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:40,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:40,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:40,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:40,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:40,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:40,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 11:44:40,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:40,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:40,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 11:44:40,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:40,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:40,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 11:44:40,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:40,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 11:44:40,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:44:40,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:40,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:40,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 11:44:40,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:40,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 11:44:40,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 11:44:40,682 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size [2021-03-26 11:44:40,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:40,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,684 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 11:44:40,685 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:40,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 11:44:40,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 11:44:40,689 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 11:44:40,689 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:40,690 INFO L142 QuantifierPusher]: treesize reduction 15, result has 42.3 percent of original size [2021-03-26 11:44:40,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:40,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:40,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:40,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:40,696 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-03-26 11:44:40,697 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-26 11:44:40,697 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 11 [2021-03-26 11:44:40,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396063492] [2021-03-26 11:44:40,698 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 11:44:40,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:44:40,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 11:44:40,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-03-26 11:44:40,699 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 155 [2021-03-26 11:44:40,700 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) [2021-03-26 11:44:40,700 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:44:40,700 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 155 [2021-03-26 11:44:40,700 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:44:41,098 INFO L129 PetriNetUnfolder]: 2219/3742 cut-off events. [2021-03-26 11:44:41,098 INFO L130 PetriNetUnfolder]: For 10576/11581 co-relation queries the response was YES. [2021-03-26 11:44:41,106 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15178 conditions, 3742 events. 2219/3742 cut-off events. For 10576/11581 co-relation queries the response was YES. Maximal size of possible extension queue 729. Compared 30392 event pairs, 394 based on Foata normal form. 84/3582 useless extension candidates. Maximal degree in co-relation 15152. Up to 1157 conditions per place. [2021-03-26 11:44:41,123 INFO L132 encePairwiseOnDemand]: 147/155 looper letters, 114 selfloop transitions, 46 changer transitions 6/180 dead transitions. [2021-03-26 11:44:41,123 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 180 transitions, 1507 flow [2021-03-26 11:44:41,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 11:44:41,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 11:44:41,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1320 transitions. [2021-03-26 11:44:41,125 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6550868486352357 [2021-03-26 11:44:41,125 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1320 transitions. [2021-03-26 11:44:41,125 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1320 transitions. [2021-03-26 11:44:41,127 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:44:41,127 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1320 transitions. [2021-03-26 11:44:41,129 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) [2021-03-26 11:44:41,130 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) [2021-03-26 11:44:41,131 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) [2021-03-26 11:44:41,131 INFO L185 Difference]: Start difference. First operand has 61 places, 59 transitions, 395 flow. Second operand 13 states and 1320 transitions. [2021-03-26 11:44:41,131 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 180 transitions, 1507 flow [2021-03-26 11:44:41,150 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 180 transitions, 1414 flow, removed 31 selfloop flow, removed 2 redundant places. [2021-03-26 11:44:41,151 INFO L241 Difference]: Finished difference. Result has 79 places, 89 transitions, 779 flow [2021-03-26 11:44:41,152 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} [2021-03-26 11:44:41,152 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 39 predicate places. [2021-03-26 11:44:41,152 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:44:41,152 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 89 transitions, 779 flow [2021-03-26 11:44:41,153 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 89 transitions, 779 flow [2021-03-26 11:44:41,153 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 89 transitions, 779 flow [2021-03-26 11:44:41,181 INFO L129 PetriNetUnfolder]: 129/446 cut-off events. [2021-03-26 11:44:41,181 INFO L130 PetriNetUnfolder]: For 2981/5283 co-relation queries the response was YES. [2021-03-26 11:44:41,183 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2171 conditions, 446 events. 129/446 cut-off events. For 2981/5283 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 3067 event pairs, 44 based on Foata normal form. 13/402 useless extension candidates. Maximal degree in co-relation 2139. Up to 203 conditions per place. [2021-03-26 11:44:41,190 INFO L142 LiptonReduction]: Number of co-enabled transitions 1370 [2021-03-26 11:44:41,273 INFO L154 LiptonReduction]: Checked pairs total: 2004 [2021-03-26 11:44:41,273 INFO L156 LiptonReduction]: Total number of compositions: 6 [2021-03-26 11:44:41,273 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 121 [2021-03-26 11:44:41,274 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 89 transitions, 781 flow [2021-03-26 11:44:41,274 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) [2021-03-26 11:44:41,274 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:44:41,274 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:44:41,489 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 11:44:41,489 INFO L428 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 11:44:41,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:44:41,489 INFO L82 PathProgramCache]: Analyzing trace with hash -1530143916, now seen corresponding path program 1 times [2021-03-26 11:44:41,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:44:41,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463716889] [2021-03-26 11:44:41,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:44:41,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:44:41,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:41,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:41,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:41,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:41,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:41,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 11:44:41,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 11:44:41,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:41,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 11:44:41,573 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:44:41,573 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463716889] [2021-03-26 11:44:41,573 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [718337051] [2021-03-26 11:44:41,573 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 [2021-03-26 11:44:41,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:44:41,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-26 11:44:41,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 11:44:41,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:41,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:41,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:41,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:41,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:41,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:41,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:41,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:41,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:41,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:41,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:41,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:41,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:41,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:41,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:41,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:41,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:41,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:41,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:41,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:41,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:41,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:41,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:41,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:41,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:41,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:41,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:44:41,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:41,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 11:44:41,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:44:41,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:41,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:41,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:41,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:41,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:41,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:41,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:41,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:41,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:41,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 11:44:41,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:41,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:41,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:41,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:41,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:41,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:41,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:41,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:41,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:41,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:41,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:41,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:41,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:41,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 11:44:41,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:41,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:41,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 11:44:41,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:41,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 11:44:41,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 11:44:41,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:41,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:41,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:41,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:41,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:41,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 11:44:41,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:41,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:41,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 11:44:41,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:41,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 11:44:41,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 11:44:41,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:41,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:41,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 11:44:41,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:41,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 11:44:41,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 11:44:41,755 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-26 11:44:41,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:41,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,757 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 11:44:41,758 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:41,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 11:44:41,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 11:44:41,761 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 11:44:41,761 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:41,762 INFO L142 QuantifierPusher]: treesize reduction 12, result has 40.0 percent of original size [2021-03-26 11:44:41,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:41,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:41,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:41,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:41,770 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:44:41,770 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 11:44:41,770 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 18 [2021-03-26 11:44:41,770 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866985955] [2021-03-26 11:44:41,771 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-26 11:44:41,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:44:41,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-26 11:44:41,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2021-03-26 11:44:41,772 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 161 [2021-03-26 11:44:41,773 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 89 transitions, 781 flow. Second operand has 20 states, 20 states have (on average 81.4) internal successors, (1628), 20 states have internal predecessors, (1628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:44:41,773 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:44:41,773 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 161 [2021-03-26 11:44:41,773 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:44:43,267 INFO L129 PetriNetUnfolder]: 4237/7228 cut-off events. [2021-03-26 11:44:43,267 INFO L130 PetriNetUnfolder]: For 35209/35209 co-relation queries the response was YES. [2021-03-26 11:44:43,289 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33762 conditions, 7228 events. 4237/7228 cut-off events. For 35209/35209 co-relation queries the response was YES. Maximal size of possible extension queue 575. Compared 53550 event pairs, 469 based on Foata normal form. 24/7241 useless extension candidates. Maximal degree in co-relation 33727. Up to 1772 conditions per place. [2021-03-26 11:44:43,318 INFO L132 encePairwiseOnDemand]: 142/161 looper letters, 239 selfloop transitions, 156 changer transitions 33/433 dead transitions. [2021-03-26 11:44:43,318 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 433 transitions, 3917 flow [2021-03-26 11:44:43,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-03-26 11:44:43,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2021-03-26 11:44:43,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 4152 transitions. [2021-03-26 11:44:43,326 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.548698295229285 [2021-03-26 11:44:43,326 INFO L72 ComplementDD]: Start complementDD. Operand 47 states and 4152 transitions. [2021-03-26 11:44:43,326 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 4152 transitions. [2021-03-26 11:44:43,327 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:44:43,327 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 47 states and 4152 transitions. [2021-03-26 11:44:43,332 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 48 states, 47 states have (on average 88.34042553191489) internal successors, (4152), 47 states have internal predecessors, (4152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:44:43,338 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 48 states, 48 states have (on average 161.0) internal successors, (7728), 48 states have internal predecessors, (7728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:44:43,348 INFO L81 ComplementDD]: Finished complementDD. Result has 48 states, 48 states have (on average 161.0) internal successors, (7728), 48 states have internal predecessors, (7728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:44:43,349 INFO L185 Difference]: Start difference. First operand has 79 places, 89 transitions, 781 flow. Second operand 47 states and 4152 transitions. [2021-03-26 11:44:43,349 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 433 transitions, 3917 flow [2021-03-26 11:44:43,457 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 433 transitions, 3835 flow, removed 41 selfloop flow, removed 0 redundant places. [2021-03-26 11:44:43,460 INFO L241 Difference]: Finished difference. Result has 153 places, 184 transitions, 2204 flow [2021-03-26 11:44:43,460 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=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=47, PETRI_FLOW=2204, PETRI_PLACES=153, PETRI_TRANSITIONS=184} [2021-03-26 11:44:43,460 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 113 predicate places. [2021-03-26 11:44:43,460 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:44:43,460 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 153 places, 184 transitions, 2204 flow [2021-03-26 11:44:43,461 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 153 places, 184 transitions, 2204 flow [2021-03-26 11:44:43,462 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 153 places, 184 transitions, 2204 flow [2021-03-26 11:44:43,521 INFO L129 PetriNetUnfolder]: 211/800 cut-off events. [2021-03-26 11:44:43,521 INFO L130 PetriNetUnfolder]: For 9316/9667 co-relation queries the response was YES. [2021-03-26 11:44:43,525 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4561 conditions, 800 events. 211/800 cut-off events. For 9316/9667 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 6187 event pairs, 52 based on Foata normal form. 39/794 useless extension candidates. Maximal degree in co-relation 4499. Up to 217 conditions per place. [2021-03-26 11:44:43,534 INFO L142 LiptonReduction]: Number of co-enabled transitions 2520 [2021-03-26 11:44:43,677 INFO L154 LiptonReduction]: Checked pairs total: 7820 [2021-03-26 11:44:43,677 INFO L156 LiptonReduction]: Total number of compositions: 6 [2021-03-26 11:44:43,677 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 217 [2021-03-26 11:44:43,678 INFO L480 AbstractCegarLoop]: Abstraction has has 153 places, 184 transitions, 2204 flow [2021-03-26 11:44:43,678 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 81.4) internal successors, (1628), 20 states have internal predecessors, (1628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:44:43,678 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:44:43,679 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:44:43,896 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 11:44:43,896 INFO L428 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 11:44:43,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:44:43,897 INFO L82 PathProgramCache]: Analyzing trace with hash 390961353, now seen corresponding path program 1 times [2021-03-26 11:44:43,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:44:43,898 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668965417] [2021-03-26 11:44:43,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:44:43,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:44:43,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:43,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:43,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:43,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:43,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:43,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:43,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:43,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:43,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:43,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 11:44:43,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:43,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 11:44:43,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:43,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:43,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:43,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 11:44:43,980 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:44:43,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668965417] [2021-03-26 11:44:43,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1699053568] [2021-03-26 11:44:43,980 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 [2021-03-26 11:44:44,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:44:44,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-26 11:44:44,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 11:44:44,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:44,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:44,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:44,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:44,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:44,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:44,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:44,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:44,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:44,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:44,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:44,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:44,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:44,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:44,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:44,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:44,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:44,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:44,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:44,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:44,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:44,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:44,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:44,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:44,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:44,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:44,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:44:44,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:44,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 11:44:44,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:44:44,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:44,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:44,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:44,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:44,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:44,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:44,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:44,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:44,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:44,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 11:44:44,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:44,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:44,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:44,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:44,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:44,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:44,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:44,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:44,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:44,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:44,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:44,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:44,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:44:44,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:44,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 11:44:44,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:44:44,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:44,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:44,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:44,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:44,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:44,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 11:44:44,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:44,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:44,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 11:44:44,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:44,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 11:44:44,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 11:44:44,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:44,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:44,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 11:44:44,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:44,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 11:44:44,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 11:44:44,153 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-26 11:44:44,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:44,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,155 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 11:44:44,157 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:44,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 11:44:44,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 11:44:44,159 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 11:44:44,159 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:44,160 INFO L142 QuantifierPusher]: treesize reduction 12, result has 40.0 percent of original size [2021-03-26 11:44:44,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:44,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:44,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:44,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:44,167 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:44:44,168 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 11:44:44,168 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 16 [2021-03-26 11:44:44,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855656390] [2021-03-26 11:44:44,168 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-26 11:44:44,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:44:44,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-26 11:44:44,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2021-03-26 11:44:44,170 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 167 [2021-03-26 11:44:44,171 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 184 transitions, 2204 flow. Second operand has 18 states, 18 states have (on average 84.33333333333333) internal successors, (1518), 18 states have internal predecessors, (1518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:44:44,171 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:44:44,171 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 167 [2021-03-26 11:44:44,171 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:44:45,658 INFO L129 PetriNetUnfolder]: 4547/7837 cut-off events. [2021-03-26 11:44:45,658 INFO L130 PetriNetUnfolder]: For 125876/125909 co-relation queries the response was YES. [2021-03-26 11:44:45,741 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51372 conditions, 7837 events. 4547/7837 cut-off events. For 125876/125909 co-relation queries the response was YES. Maximal size of possible extension queue 631. Compared 59802 event pairs, 648 based on Foata normal form. 54/7867 useless extension candidates. Maximal degree in co-relation 51307. Up to 1830 conditions per place. [2021-03-26 11:44:45,778 INFO L132 encePairwiseOnDemand]: 147/167 looper letters, 182 selfloop transitions, 171 changer transitions 16/375 dead transitions. [2021-03-26 11:44:45,778 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 375 transitions, 5003 flow [2021-03-26 11:44:45,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-26 11:44:45,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-03-26 11:44:45,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 2388 transitions. [2021-03-26 11:44:45,784 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5499769691386458 [2021-03-26 11:44:45,784 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 2388 transitions. [2021-03-26 11:44:45,784 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 2388 transitions. [2021-03-26 11:44:45,785 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:44:45,785 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 2388 transitions. [2021-03-26 11:44:45,787 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 91.84615384615384) internal successors, (2388), 26 states have internal predecessors, (2388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:44:45,790 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 167.0) internal successors, (4509), 27 states have internal predecessors, (4509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:44:45,790 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 167.0) internal successors, (4509), 27 states have internal predecessors, (4509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:44:45,790 INFO L185 Difference]: Start difference. First operand has 153 places, 184 transitions, 2204 flow. Second operand 26 states and 2388 transitions. [2021-03-26 11:44:45,790 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 375 transitions, 5003 flow [2021-03-26 11:44:46,246 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 375 transitions, 4565 flow, removed 112 selfloop flow, removed 12 redundant places. [2021-03-26 11:44:46,252 INFO L241 Difference]: Finished difference. Result has 178 places, 232 transitions, 3013 flow [2021-03-26 11:44:46,253 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=1864, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=126, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=3013, PETRI_PLACES=178, PETRI_TRANSITIONS=232} [2021-03-26 11:44:46,253 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 138 predicate places. [2021-03-26 11:44:46,253 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:44:46,253 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 178 places, 232 transitions, 3013 flow [2021-03-26 11:44:46,253 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 178 places, 232 transitions, 3013 flow [2021-03-26 11:44:46,254 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 178 places, 232 transitions, 3013 flow [2021-03-26 11:44:46,446 INFO L129 PetriNetUnfolder]: 481/1588 cut-off events. [2021-03-26 11:44:46,447 INFO L130 PetriNetUnfolder]: For 27865/29880 co-relation queries the response was YES. [2021-03-26 11:44:46,457 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11429 conditions, 1588 events. 481/1588 cut-off events. For 27865/29880 co-relation queries the response was YES. Maximal size of possible extension queue 174. Compared 14314 event pairs, 132 based on Foata normal form. 58/1527 useless extension candidates. Maximal degree in co-relation 11355. Up to 508 conditions per place. [2021-03-26 11:44:46,473 INFO L142 LiptonReduction]: Number of co-enabled transitions 3112 [2021-03-26 11:44:46,679 INFO L154 LiptonReduction]: Checked pairs total: 9327 [2021-03-26 11:44:46,679 INFO L156 LiptonReduction]: Total number of compositions: 14 [2021-03-26 11:44:46,680 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 427 [2021-03-26 11:44:46,680 INFO L480 AbstractCegarLoop]: Abstraction has has 178 places, 232 transitions, 3013 flow [2021-03-26 11:44:46,680 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 84.33333333333333) internal successors, (1518), 18 states have internal predecessors, (1518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:44:46,680 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:44:46,680 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:44:46,894 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 11:44:46,895 INFO L428 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 11:44:46,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:44:46,895 INFO L82 PathProgramCache]: Analyzing trace with hash -457535717, now seen corresponding path program 1 times [2021-03-26 11:44:46,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:44:46,895 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995505873] [2021-03-26 11:44:46,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:44:46,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:44:46,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:46,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:46,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:46,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:46,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:46,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 11:44:46,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:46,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:46,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:46,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:46,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:46,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:46,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:46,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 11:44:46,962 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-03-26 11:44:46,962 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995505873] [2021-03-26 11:44:46,962 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1338255916] [2021-03-26 11:44:46,962 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 [2021-03-26 11:44:47,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:44:47,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-26 11:44:47,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 11:44:47,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 11:44:47,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:44:47,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 11:44:47,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:47,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:47,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 11:44:47,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 11:44:47,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:47,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 11:44:47,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:44:47,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:47,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 11:44:47,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:47,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 11:44:47,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 11:44:47,083 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size [2021-03-26 11:44:47,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:47,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,084 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 11:44:47,085 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:47,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 11:44:47,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 11:44:47,087 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 11:44:47,088 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:47,088 INFO L142 QuantifierPusher]: treesize reduction 15, result has 42.3 percent of original size [2021-03-26 11:44:47,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:47,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:47,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:47,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:47,095 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-03-26 11:44:47,095 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-26 11:44:47,095 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 11 [2021-03-26 11:44:47,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781448401] [2021-03-26 11:44:47,095 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 11:44:47,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:44:47,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 11:44:47,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-03-26 11:44:47,097 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 181 [2021-03-26 11:44:47,097 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 232 transitions, 3013 flow. Second operand has 6 states, 6 states have (on average 118.33333333333333) internal successors, (710), 6 states have internal predecessors, (710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:44:47,097 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:44:47,097 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 181 [2021-03-26 11:44:47,097 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:44:48,737 INFO L129 PetriNetUnfolder]: 4808/8519 cut-off events. [2021-03-26 11:44:48,737 INFO L130 PetriNetUnfolder]: For 147998/148386 co-relation queries the response was YES. [2021-03-26 11:44:48,785 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59777 conditions, 8519 events. 4808/8519 cut-off events. For 147998/148386 co-relation queries the response was YES. Maximal size of possible extension queue 953. Compared 69394 event pairs, 736 based on Foata normal form. 239/8650 useless extension candidates. Maximal degree in co-relation 59700. Up to 2124 conditions per place. [2021-03-26 11:44:48,811 INFO L132 encePairwiseOnDemand]: 171/181 looper letters, 262 selfloop transitions, 169 changer transitions 24/481 dead transitions. [2021-03-26 11:44:48,811 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 481 transitions, 7065 flow [2021-03-26 11:44:48,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 11:44:48,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 11:44:48,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1638 transitions. [2021-03-26 11:44:48,813 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6961325966850829 [2021-03-26 11:44:48,813 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1638 transitions. [2021-03-26 11:44:48,813 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1638 transitions. [2021-03-26 11:44:48,813 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:44:48,813 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1638 transitions. [2021-03-26 11:44:48,815 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 126.0) internal successors, (1638), 13 states have internal predecessors, (1638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:44:48,816 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 181.0) internal successors, (2534), 14 states have internal predecessors, (2534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:44:48,816 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 181.0) internal successors, (2534), 14 states have internal predecessors, (2534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:44:48,816 INFO L185 Difference]: Start difference. First operand has 178 places, 232 transitions, 3013 flow. Second operand 13 states and 1638 transitions. [2021-03-26 11:44:48,817 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 481 transitions, 7065 flow [2021-03-26 11:44:49,660 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 481 transitions, 6789 flow, removed 115 selfloop flow, removed 7 redundant places. [2021-03-26 11:44:49,665 INFO L241 Difference]: Finished difference. Result has 191 places, 324 transitions, 4833 flow [2021-03-26 11:44:49,665 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=2848, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=232, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=80, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=4833, PETRI_PLACES=191, PETRI_TRANSITIONS=324} [2021-03-26 11:44:49,665 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 151 predicate places. [2021-03-26 11:44:49,665 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:44:49,665 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 191 places, 324 transitions, 4833 flow [2021-03-26 11:44:49,666 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 191 places, 324 transitions, 4833 flow [2021-03-26 11:44:49,667 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 191 places, 324 transitions, 4833 flow [2021-03-26 11:44:49,973 INFO L129 PetriNetUnfolder]: 626/2529 cut-off events. [2021-03-26 11:44:49,973 INFO L130 PetriNetUnfolder]: For 43392/43943 co-relation queries the response was YES. [2021-03-26 11:44:49,993 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19030 conditions, 2529 events. 626/2529 cut-off events. For 43392/43943 co-relation queries the response was YES. Maximal size of possible extension queue 376. Compared 27741 event pairs, 143 based on Foata normal form. 157/2516 useless extension candidates. Maximal degree in co-relation 18948. Up to 895 conditions per place. [2021-03-26 11:44:50,020 INFO L142 LiptonReduction]: Number of co-enabled transitions 4378 [2021-03-26 11:44:50,219 INFO L154 LiptonReduction]: Checked pairs total: 2769 [2021-03-26 11:44:50,220 INFO L156 LiptonReduction]: Total number of compositions: 13 [2021-03-26 11:44:50,220 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 555 [2021-03-26 11:44:50,223 INFO L480 AbstractCegarLoop]: Abstraction has has 191 places, 324 transitions, 4836 flow [2021-03-26 11:44:50,223 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 118.33333333333333) internal successors, (710), 6 states have internal predecessors, (710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:44:50,223 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:44:50,223 INFO L263 CegarLoopForPetriNet]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:44:50,436 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-03-26 11:44:50,436 INFO L428 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 11:44:50,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:44:50,436 INFO L82 PathProgramCache]: Analyzing trace with hash -1258705801, now seen corresponding path program 1 times [2021-03-26 11:44:50,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:44:50,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200205905] [2021-03-26 11:44:50,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:44:50,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 11:44:50,448 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 11:44:50,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 11:44:50,461 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 11:44:50,465 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-26 11:44:50,465 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-26 11:44:50,465 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-03-26 11:44:50,466 WARN L342 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2021-03-26 11:44:50,466 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2021-03-26 11:44:50,482 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,482 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,482 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,482 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,483 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,483 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,483 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,483 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,483 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,483 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,483 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,483 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,483 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,483 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,483 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,483 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,483 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,483 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,483 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,484 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,484 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,484 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,484 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,484 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,484 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,484 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,484 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,484 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,484 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,484 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,484 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,484 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,484 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,484 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,484 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,484 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,485 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,485 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,485 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,485 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,485 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,485 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,485 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,485 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,485 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,485 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,485 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,485 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,485 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,485 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,485 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,485 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,486 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,486 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,486 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,486 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,486 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,486 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,486 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,486 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,487 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,487 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,487 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,487 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,487 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,487 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,487 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,487 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,487 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,487 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,487 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,487 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,487 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,487 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,487 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,487 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,488 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,488 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,488 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,488 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,488 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,488 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,488 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,488 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,488 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,488 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,488 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,488 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,488 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,489 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,489 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,489 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,489 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,489 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,489 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,489 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,492 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,492 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,492 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,492 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,492 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,493 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,493 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,493 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,493 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,493 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,493 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,493 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,493 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,493 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,493 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,493 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,493 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,493 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,493 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,493 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,493 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,494 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,494 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,494 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,494 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,494 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,494 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,494 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,494 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,494 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,494 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,494 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,494 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,494 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,494 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,494 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,494 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,494 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,494 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,495 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,495 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,495 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,495 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,495 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,495 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,496 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,496 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,496 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,496 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,496 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,497 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,497 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,497 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,497 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,497 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,498 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,498 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,498 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,498 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,498 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,499 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,499 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,499 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,499 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,499 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,499 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,500 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,500 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,500 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,500 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,500 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,500 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,501 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,501 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,502 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,502 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,502 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,502 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,502 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,502 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,503 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,503 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,503 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,503 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:44:50,503 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-26 11:44:50,503 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-03-26 11:44:50,504 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 11:44:50,504 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 11:44:50,504 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 11:44:50,504 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 11:44:50,504 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 11:44:50,504 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 11:44:50,504 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 11:44:50,504 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 11:44:50,506 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 126 places, 114 transitions, 292 flow [2021-03-26 11:44:50,513 INFO L129 PetriNetUnfolder]: 7/136 cut-off events. [2021-03-26 11:44:50,513 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-26 11:44:50,514 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. [2021-03-26 11:44:50,514 INFO L82 GeneralOperation]: Start removeDead. Operand has 126 places, 114 transitions, 292 flow [2021-03-26 11:44:50,514 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 89 places, 80 transitions, 195 flow [2021-03-26 11:44:50,514 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:44:50,515 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 89 places, 80 transitions, 195 flow [2021-03-26 11:44:50,515 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 89 places, 80 transitions, 195 flow [2021-03-26 11:44:50,515 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 89 places, 80 transitions, 195 flow [2021-03-26 11:44:50,537 INFO L129 PetriNetUnfolder]: 7/136 cut-off events. [2021-03-26 11:44:50,537 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-26 11:44:50,537 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 221 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. [2021-03-26 11:44:50,538 INFO L142 LiptonReduction]: Number of co-enabled transitions 1840 [2021-03-26 11:44:51,490 INFO L154 LiptonReduction]: Checked pairs total: 1538 [2021-03-26 11:44:51,490 INFO L156 LiptonReduction]: Total number of compositions: 53 [2021-03-26 11:44:51,490 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 976 [2021-03-26 11:44:51,492 INFO L129 PetriNetUnfolder]: 1/12 cut-off events. [2021-03-26 11:44:51,492 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 11:44:51,492 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:44:51,492 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:44:51,492 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]=== [2021-03-26 11:44:51,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:44:51,492 INFO L82 PathProgramCache]: Analyzing trace with hash 1964594123, now seen corresponding path program 1 times [2021-03-26 11:44:51,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:44:51,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038730228] [2021-03-26 11:44:51,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:44:51,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:44:51,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:51,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 11:44:51,505 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 11:44:51,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:51,511 INFO L142 QuantifierPusher]: treesize reduction 6, result has 78.6 percent of original size [2021-03-26 11:44:51,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 11:44:51,522 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-26 11:44:51,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:51,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:51,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 11:44:51,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:44:51,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038730228] [2021-03-26 11:44:51,533 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:44:51,533 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 11:44:51,533 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334646267] [2021-03-26 11:44:51,533 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 11:44:51,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:44:51,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 11:44:51,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-26 11:44:51,534 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 167 [2021-03-26 11:44:51,534 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) [2021-03-26 11:44:51,534 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:44:51,535 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 167 [2021-03-26 11:44:51,535 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:44:51,866 INFO L129 PetriNetUnfolder]: 4378/6328 cut-off events. [2021-03-26 11:44:51,866 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-26 11:44:51,873 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 42527 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. [2021-03-26 11:44:51,885 INFO L132 encePairwiseOnDemand]: 156/167 looper letters, 36 selfloop transitions, 13 changer transitions 2/65 dead transitions. [2021-03-26 11:44:51,885 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 65 transitions, 267 flow [2021-03-26 11:44:51,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 11:44:51,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 11:44:51,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 754 transitions. [2021-03-26 11:44:51,887 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6449957228400343 [2021-03-26 11:44:51,887 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 754 transitions. [2021-03-26 11:44:51,887 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 754 transitions. [2021-03-26 11:44:51,887 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:44:51,887 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 754 transitions. [2021-03-26 11:44:51,888 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) [2021-03-26 11:44:51,889 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) [2021-03-26 11:44:51,889 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) [2021-03-26 11:44:51,889 INFO L185 Difference]: Start difference. First operand has 46 places, 35 transitions, 105 flow. Second operand 7 states and 754 transitions. [2021-03-26 11:44:51,889 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 65 transitions, 267 flow [2021-03-26 11:44:51,889 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 65 transitions, 254 flow, removed 6 selfloop flow, removed 1 redundant places. [2021-03-26 11:44:51,890 INFO L241 Difference]: Finished difference. Result has 53 places, 43 transitions, 175 flow [2021-03-26 11:44:51,890 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} [2021-03-26 11:44:51,890 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 7 predicate places. [2021-03-26 11:44:51,890 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:44:51,890 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 43 transitions, 175 flow [2021-03-26 11:44:51,890 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 43 transitions, 175 flow [2021-03-26 11:44:51,890 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 43 transitions, 175 flow [2021-03-26 11:44:51,902 INFO L129 PetriNetUnfolder]: 135/296 cut-off events. [2021-03-26 11:44:51,902 INFO L130 PetriNetUnfolder]: For 155/1157 co-relation queries the response was YES. [2021-03-26 11:44:51,903 INFO L84 FinitePrefix]: Finished finitePrefix Result has 746 conditions, 296 events. 135/296 cut-off events. For 155/1157 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 1329 event pairs, 69 based on Foata normal form. 1/209 useless extension candidates. Maximal degree in co-relation 725. Up to 205 conditions per place. [2021-03-26 11:44:51,905 INFO L142 LiptonReduction]: Number of co-enabled transitions 638 [2021-03-26 11:44:52,410 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 94 [2021-03-26 11:44:52,660 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 94 [2021-03-26 11:44:53,113 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-03-26 11:44:53,118 INFO L154 LiptonReduction]: Checked pairs total: 930 [2021-03-26 11:44:53,118 INFO L156 LiptonReduction]: Total number of compositions: 8 [2021-03-26 11:44:53,118 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1228 [2021-03-26 11:44:53,119 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 36 transitions, 153 flow [2021-03-26 11:44:53,119 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) [2021-03-26 11:44:53,119 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:44:53,119 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:44:53,119 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-03-26 11:44:53,119 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]=== [2021-03-26 11:44:53,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:44:53,119 INFO L82 PathProgramCache]: Analyzing trace with hash 2146262280, now seen corresponding path program 1 times [2021-03-26 11:44:53,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:44:53,119 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445814523] [2021-03-26 11:44:53,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:44:53,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:44:53,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:53,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 11:44:53,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:53,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:53,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:53,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:53,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:53,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:53,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:53,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:53,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:53,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:53,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:53,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 11:44:53,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:44:53,158 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445814523] [2021-03-26 11:44:53,158 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:44:53,158 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 11:44:53,158 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581130332] [2021-03-26 11:44:53,158 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 11:44:53,158 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:44:53,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 11:44:53,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-03-26 11:44:53,159 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 174 [2021-03-26 11:44:53,159 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) [2021-03-26 11:44:53,159 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:44:53,159 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 174 [2021-03-26 11:44:53,159 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:44:54,141 INFO L129 PetriNetUnfolder]: 10689/16082 cut-off events. [2021-03-26 11:44:54,141 INFO L130 PetriNetUnfolder]: For 7710/7710 co-relation queries the response was YES. [2021-03-26 11:44:54,166 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44519 conditions, 16082 events. 10689/16082 cut-off events. For 7710/7710 co-relation queries the response was YES. Maximal size of possible extension queue 950. Compared 110297 event pairs, 2201 based on Foata normal form. 306/14545 useless extension candidates. Maximal degree in co-relation 44502. Up to 6264 conditions per place. [2021-03-26 11:44:54,203 INFO L132 encePairwiseOnDemand]: 161/174 looper letters, 97 selfloop transitions, 41 changer transitions 5/151 dead transitions. [2021-03-26 11:44:54,203 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 151 transitions, 800 flow [2021-03-26 11:44:54,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 11:44:54,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 11:44:54,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1572 transitions. [2021-03-26 11:44:54,205 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6022988505747127 [2021-03-26 11:44:54,205 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1572 transitions. [2021-03-26 11:44:54,205 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1572 transitions. [2021-03-26 11:44:54,205 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:44:54,205 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1572 transitions. [2021-03-26 11:44:54,207 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) [2021-03-26 11:44:54,208 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) [2021-03-26 11:44:54,209 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) [2021-03-26 11:44:54,209 INFO L185 Difference]: Start difference. First operand has 45 places, 36 transitions, 153 flow. Second operand 15 states and 1572 transitions. [2021-03-26 11:44:54,209 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 151 transitions, 800 flow [2021-03-26 11:44:54,259 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 151 transitions, 777 flow, removed 3 selfloop flow, removed 2 redundant places. [2021-03-26 11:44:54,260 INFO L241 Difference]: Finished difference. Result has 65 places, 67 transitions, 440 flow [2021-03-26 11:44:54,260 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} [2021-03-26 11:44:54,260 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 19 predicate places. [2021-03-26 11:44:54,260 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:44:54,260 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 67 transitions, 440 flow [2021-03-26 11:44:54,260 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 67 transitions, 440 flow [2021-03-26 11:44:54,260 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 67 transitions, 440 flow [2021-03-26 11:44:54,288 INFO L129 PetriNetUnfolder]: 265/561 cut-off events. [2021-03-26 11:44:54,288 INFO L130 PetriNetUnfolder]: For 3949/23910 co-relation queries the response was YES. [2021-03-26 11:44:54,290 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2347 conditions, 561 events. 265/561 cut-off events. For 3949/23910 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 3089 event pairs, 106 based on Foata normal form. 2/401 useless extension candidates. Maximal degree in co-relation 2325. Up to 431 conditions per place. [2021-03-26 11:44:54,295 INFO L142 LiptonReduction]: Number of co-enabled transitions 1052 [2021-03-26 11:44:54,425 INFO L154 LiptonReduction]: Checked pairs total: 2263 [2021-03-26 11:44:54,426 INFO L156 LiptonReduction]: Total number of compositions: 7 [2021-03-26 11:44:54,426 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 166 [2021-03-26 11:44:54,426 INFO L480 AbstractCegarLoop]: Abstraction has has 65 places, 67 transitions, 442 flow [2021-03-26 11:44:54,426 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) [2021-03-26 11:44:54,426 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:44:54,426 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:44:54,426 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-03-26 11:44:54,426 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]=== [2021-03-26 11:44:54,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:44:54,427 INFO L82 PathProgramCache]: Analyzing trace with hash 95440987, now seen corresponding path program 1 times [2021-03-26 11:44:54,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:44:54,427 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204244369] [2021-03-26 11:44:54,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:44:54,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:44:54,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:54,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:54,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 11:44:54,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:54,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:54,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:54,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 11:44:54,470 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:44:54,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204244369] [2021-03-26 11:44:54,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1218264592] [2021-03-26 11:44:54,470 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 [2021-03-26 11:44:54,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:44:54,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-26 11:44:54,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 11:44:54,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 11:44:54,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:44:54,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:54,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:54,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:54,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:54,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:54,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:54,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:54,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:54,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:54,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:54,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:54,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:54,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:54,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:54,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:54,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:54,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:54,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:54,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:54,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:54,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:54,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:54,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:54,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:54,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:54,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:54,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:54,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:54,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:54,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:54,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:54,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:54,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:54,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:54,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:54,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:54,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:54,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:54,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:54,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:54,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:54,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:54,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:54,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:54,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:54,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:54,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:54,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:54,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:54,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:54,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 11:44:54,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:54,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:54,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 11:44:54,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:54,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:54,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 11:44:54,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:54,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 11:44:54,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:44:54,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:54,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:54,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 11:44:54,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:54,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 11:44:54,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 11:44:54,591 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size [2021-03-26 11:44:54,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:54,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,593 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 11:44:54,594 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:54,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 11:44:54,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 11:44:54,597 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 11:44:54,597 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:54,598 INFO L142 QuantifierPusher]: treesize reduction 15, result has 42.3 percent of original size [2021-03-26 11:44:54,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:54,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:54,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:54,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:54,605 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-03-26 11:44:54,605 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-26 11:44:54,605 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 11 [2021-03-26 11:44:54,605 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469098330] [2021-03-26 11:44:54,605 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 11:44:54,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:44:54,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 11:44:54,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-03-26 11:44:54,606 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 181 [2021-03-26 11:44:54,607 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 67 transitions, 442 flow. Second operand has 6 states, 6 states have (on average 109.33333333333333) internal successors, (656), 6 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:44:54,607 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:44:54,607 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 181 [2021-03-26 11:44:54,607 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:44:55,903 INFO L129 PetriNetUnfolder]: 9821/15309 cut-off events. [2021-03-26 11:44:55,903 INFO L130 PetriNetUnfolder]: For 26876/29656 co-relation queries the response was YES. [2021-03-26 11:44:55,946 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60333 conditions, 15309 events. 9821/15309 cut-off events. For 26876/29656 co-relation queries the response was YES. Maximal size of possible extension queue 2522. Compared 135691 event pairs, 1936 based on Foata normal form. 296/14068 useless extension candidates. Maximal degree in co-relation 60308. Up to 6654 conditions per place. [2021-03-26 11:44:55,990 INFO L132 encePairwiseOnDemand]: 169/181 looper letters, 112 selfloop transitions, 61 changer transitions 6/195 dead transitions. [2021-03-26 11:44:55,990 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 195 transitions, 1608 flow [2021-03-26 11:44:55,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 11:44:55,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 11:44:55,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1536 transitions. [2021-03-26 11:44:55,992 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6527836804079898 [2021-03-26 11:44:55,992 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1536 transitions. [2021-03-26 11:44:55,992 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1536 transitions. [2021-03-26 11:44:55,992 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:44:55,992 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1536 transitions. [2021-03-26 11:44:55,994 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 118.15384615384616) internal successors, (1536), 13 states have internal predecessors, (1536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:44:55,995 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 181.0) internal successors, (2534), 14 states have internal predecessors, (2534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:44:55,996 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 181.0) internal successors, (2534), 14 states have internal predecessors, (2534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:44:55,996 INFO L185 Difference]: Start difference. First operand has 65 places, 67 transitions, 442 flow. Second operand 13 states and 1536 transitions. [2021-03-26 11:44:55,996 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 195 transitions, 1608 flow [2021-03-26 11:44:56,147 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 195 transitions, 1473 flow, removed 48 selfloop flow, removed 2 redundant places. [2021-03-26 11:44:56,149 INFO L241 Difference]: Finished difference. Result has 83 places, 107 transitions, 932 flow [2021-03-26 11:44:56,149 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, 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} [2021-03-26 11:44:56,149 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 37 predicate places. [2021-03-26 11:44:56,149 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:44:56,149 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 107 transitions, 932 flow [2021-03-26 11:44:56,149 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 107 transitions, 932 flow [2021-03-26 11:44:56,150 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 107 transitions, 932 flow [2021-03-26 11:44:56,260 INFO L129 PetriNetUnfolder]: 551/1313 cut-off events. [2021-03-26 11:44:56,260 INFO L130 PetriNetUnfolder]: For 14808/180342 co-relation queries the response was YES. [2021-03-26 11:44:56,266 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6981 conditions, 1313 events. 551/1313 cut-off events. For 14808/180342 co-relation queries the response was YES. Maximal size of possible extension queue 184. Compared 9802 event pairs, 169 based on Foata normal form. 10/1018 useless extension candidates. Maximal degree in co-relation 6950. Up to 801 conditions per place. [2021-03-26 11:44:56,284 INFO L142 LiptonReduction]: Number of co-enabled transitions 1946 [2021-03-26 11:44:56,688 INFO L154 LiptonReduction]: Checked pairs total: 4704 [2021-03-26 11:44:56,688 INFO L156 LiptonReduction]: Total number of compositions: 8 [2021-03-26 11:44:56,688 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 539 [2021-03-26 11:44:56,689 INFO L480 AbstractCegarLoop]: Abstraction has has 83 places, 106 transitions, 924 flow [2021-03-26 11:44:56,689 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 109.33333333333333) internal successors, (656), 6 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:44:56,689 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:44:56,689 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:44:56,904 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2021-03-26 11:44:56,904 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]=== [2021-03-26 11:44:56,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:44:56,904 INFO L82 PathProgramCache]: Analyzing trace with hash -2052034847, now seen corresponding path program 1 times [2021-03-26 11:44:56,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:44:56,904 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237553593] [2021-03-26 11:44:56,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:44:56,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:44:56,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:56,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:56,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:56,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:56,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:56,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:56,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:56,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:56,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:56,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:56,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:56,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 11:44:56,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:56,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 11:44:56,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:56,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:56,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:56,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 11:44:56,974 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:44:56,975 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237553593] [2021-03-26 11:44:56,975 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [393733478] [2021-03-26 11:44:56,975 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 [2021-03-26 11:44:57,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:44:57,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-26 11:44:57,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 11:44:57,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:57,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:57,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:57,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:57,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:57,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:57,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:57,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:57,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:57,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:57,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:57,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:57,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:57,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:57,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:57,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:57,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:57,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:57,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:57,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:57,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:57,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:57,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:57,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:57,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:57,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:57,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:44:57,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:57,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 11:44:57,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:44:57,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:57,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:57,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:57,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:57,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:57,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:57,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:57,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:57,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:57,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 11:44:57,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:57,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:57,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:57,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:57,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:57,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:57,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:57,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:57,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:57,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:57,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:57,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:57,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:57,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 11:44:57,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:57,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:57,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 11:44:57,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:57,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 11:44:57,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 11:44:57,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:57,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:57,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:44:57,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:57,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:57,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 11:44:57,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:57,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:57,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 11:44:57,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:57,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 11:44:57,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 11:44:57,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:57,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:44:57,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 11:44:57,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:57,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 11:44:57,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 11:44:57,147 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-26 11:44:57,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:57,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,148 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 11:44:57,149 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:57,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 11:44:57,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 11:44:57,153 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 11:44:57,153 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:44:57,153 INFO L142 QuantifierPusher]: treesize reduction 12, result has 40.0 percent of original size [2021-03-26 11:44:57,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:57,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:57,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:44:57,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:44:57,162 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:44:57,162 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 11:44:57,162 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 18 [2021-03-26 11:44:57,162 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472902945] [2021-03-26 11:44:57,162 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-26 11:44:57,162 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:44:57,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-26 11:44:57,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2021-03-26 11:44:57,164 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 188 [2021-03-26 11:44:57,164 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) [2021-03-26 11:44:57,164 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:44:57,165 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 188 [2021-03-26 11:44:57,165 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:45:00,470 INFO L129 PetriNetUnfolder]: 17975/28256 cut-off events. [2021-03-26 11:45:00,471 INFO L130 PetriNetUnfolder]: For 125635/125635 co-relation queries the response was YES. [2021-03-26 11:45:00,553 INFO L84 FinitePrefix]: Finished finitePrefix Result has 134511 conditions, 28256 events. 17975/28256 cut-off events. For 125635/125635 co-relation queries the response was YES. Maximal size of possible extension queue 1901. Compared 227637 event pairs, 3631 based on Foata normal form. 90/27290 useless extension candidates. Maximal degree in co-relation 134477. Up to 8951 conditions per place. [2021-03-26 11:45:00,635 INFO L132 encePairwiseOnDemand]: 165/188 looper letters, 231 selfloop transitions, 176 changer transitions 33/447 dead transitions. [2021-03-26 11:45:00,635 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 447 transitions, 4029 flow [2021-03-26 11:45:00,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-03-26 11:45:00,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2021-03-26 11:45:00,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 3991 transitions. [2021-03-26 11:45:00,638 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5443262411347518 [2021-03-26 11:45:00,638 INFO L72 ComplementDD]: Start complementDD. Operand 39 states and 3991 transitions. [2021-03-26 11:45:00,638 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 3991 transitions. [2021-03-26 11:45:00,639 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:45:00,639 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 39 states and 3991 transitions. [2021-03-26 11:45:00,642 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 40 states, 39 states have (on average 102.33333333333333) internal successors, (3991), 39 states have internal predecessors, (3991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:45:00,646 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 40 states, 40 states have (on average 188.0) internal successors, (7520), 40 states have internal predecessors, (7520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:45:00,646 INFO L81 ComplementDD]: Finished complementDD. Result has 40 states, 40 states have (on average 188.0) internal successors, (7520), 40 states have internal predecessors, (7520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:45:00,646 INFO L185 Difference]: Start difference. First operand has 83 places, 106 transitions, 924 flow. Second operand 39 states and 3991 transitions. [2021-03-26 11:45:00,646 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 447 transitions, 4029 flow [2021-03-26 11:45:01,443 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 447 transitions, 3871 flow, removed 79 selfloop flow, removed 0 redundant places. [2021-03-26 11:45:01,446 INFO L241 Difference]: Finished difference. Result has 143 places, 204 transitions, 2370 flow [2021-03-26 11:45:01,446 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, 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} [2021-03-26 11:45:01,446 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 97 predicate places. [2021-03-26 11:45:01,446 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:45:01,446 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 143 places, 204 transitions, 2370 flow [2021-03-26 11:45:01,446 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 143 places, 204 transitions, 2370 flow [2021-03-26 11:45:01,447 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 143 places, 204 transitions, 2370 flow [2021-03-26 11:45:01,614 INFO L129 PetriNetUnfolder]: 828/1991 cut-off events. [2021-03-26 11:45:01,615 INFO L130 PetriNetUnfolder]: For 30326/83556 co-relation queries the response was YES. [2021-03-26 11:45:01,627 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13183 conditions, 1991 events. 828/1991 cut-off events. For 30326/83556 co-relation queries the response was YES. Maximal size of possible extension queue 245. Compared 15217 event pairs, 275 based on Foata normal form. 44/1660 useless extension candidates. Maximal degree in co-relation 13128. Up to 1043 conditions per place. [2021-03-26 11:45:01,655 INFO L142 LiptonReduction]: Number of co-enabled transitions 3302 [2021-03-26 11:45:02,296 INFO L154 LiptonReduction]: Checked pairs total: 21124 [2021-03-26 11:45:02,296 INFO L156 LiptonReduction]: Total number of compositions: 11 [2021-03-26 11:45:02,296 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 850 [2021-03-26 11:45:02,296 INFO L480 AbstractCegarLoop]: Abstraction has has 143 places, 201 transitions, 2336 flow [2021-03-26 11:45:02,297 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) [2021-03-26 11:45:02,297 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:45:02,297 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:45:02,511 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 11:45:02,512 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]=== [2021-03-26 11:45:02,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:45:02,512 INFO L82 PathProgramCache]: Analyzing trace with hash 928029176, now seen corresponding path program 1 times [2021-03-26 11:45:02,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:45:02,512 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682714595] [2021-03-26 11:45:02,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:45:02,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:45:02,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:45:02,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:45:02,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:45:02,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:45:02,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 11:45:02,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 11:45:02,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:45:02,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 11:45:02,560 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:45:02,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682714595] [2021-03-26 11:45:02,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [725472699] [2021-03-26 11:45:02,561 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 [2021-03-26 11:45:02,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:45:02,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-26 11:45:02,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 11:45:02,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:45:02,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:45:02,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:45:02,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:45:02,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:45:02,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:45:02,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:45:02,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:45:02,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:45:02,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:45:02,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:45:02,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:45:02,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:45:02,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:45:02,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:45:02,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:45:02,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:45:02,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:45:02,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:45:02,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:45:02,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:45:02,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:45:02,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:45:02,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:45:02,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:45:02,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:45:02,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:45:02,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:45:02,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 11:45:02,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:45:02,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:45:02,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:45:02,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:45:02,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:45:02,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:45:02,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:45:02,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:02,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:45:02,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:45:02,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 11:45:02,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:45:02,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:45:02,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:45:02,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:45:02,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:45:02,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:45:02,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:45:02,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:45:02,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:45:02,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:45:02,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:45:02,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:45:02,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:45:02,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:45:02,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 11:45:02,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:45:02,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:45:02,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:45:02,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:02,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:45:02,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:45:02,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 11:45:02,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:45:02,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:45:02,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 11:45:02,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:45:02,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 11:45:02,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 11:45:02,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:45:02,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:45:02,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 11:45:02,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:45:02,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 11:45:02,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 11:45:02,720 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-26 11:45:02,720 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:45:02,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,721 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 11:45:02,722 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:45:02,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 11:45:02,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 11:45:02,727 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 11:45:02,727 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:45:02,728 INFO L142 QuantifierPusher]: treesize reduction 12, result has 40.0 percent of original size [2021-03-26 11:45:02,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:45:02,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:45:02,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:02,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:45:02,736 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:45:02,736 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 11:45:02,736 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 16 [2021-03-26 11:45:02,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784934397] [2021-03-26 11:45:02,737 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-26 11:45:02,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:45:02,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-26 11:45:02,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2021-03-26 11:45:02,738 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 196 [2021-03-26 11:45:02,739 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) [2021-03-26 11:45:02,739 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:45:02,739 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 196 [2021-03-26 11:45:02,739 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:45:07,072 INFO L129 PetriNetUnfolder]: 18027/29215 cut-off events. [2021-03-26 11:45:07,072 INFO L130 PetriNetUnfolder]: For 431001/431018 co-relation queries the response was YES. [2021-03-26 11:45:07,281 INFO L84 FinitePrefix]: Finished finitePrefix Result has 186919 conditions, 29215 events. 18027/29215 cut-off events. For 431001/431018 co-relation queries the response was YES. Maximal size of possible extension queue 1921. Compared 242398 event pairs, 5270 based on Foata normal form. 107/28258 useless extension candidates. Maximal degree in co-relation 186861. Up to 8417 conditions per place. [2021-03-26 11:45:07,392 INFO L132 encePairwiseOnDemand]: 170/196 looper letters, 174 selfloop transitions, 190 changer transitions 17/389 dead transitions. [2021-03-26 11:45:07,393 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 389 transitions, 4937 flow [2021-03-26 11:45:07,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-26 11:45:07,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-03-26 11:45:07,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 2633 transitions. [2021-03-26 11:45:07,395 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5373469387755102 [2021-03-26 11:45:07,395 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 2633 transitions. [2021-03-26 11:45:07,395 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 2633 transitions. [2021-03-26 11:45:07,396 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:45:07,396 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 2633 transitions. [2021-03-26 11:45:07,398 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 105.32) internal successors, (2633), 25 states have internal predecessors, (2633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:45:07,400 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 196.0) internal successors, (5096), 26 states have internal predecessors, (5096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:45:07,401 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 196.0) internal successors, (5096), 26 states have internal predecessors, (5096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:45:07,401 INFO L185 Difference]: Start difference. First operand has 143 places, 201 transitions, 2336 flow. Second operand 25 states and 2633 transitions. [2021-03-26 11:45:07,401 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 389 transitions, 4937 flow [2021-03-26 11:45:10,056 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 389 transitions, 4531 flow, removed 81 selfloop flow, removed 13 redundant places. [2021-03-26 11:45:10,060 INFO L241 Difference]: Finished difference. Result has 166 places, 247 transitions, 3202 flow [2021-03-26 11:45:10,060 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=196, 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} [2021-03-26 11:45:10,060 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 120 predicate places. [2021-03-26 11:45:10,060 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:45:10,060 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 166 places, 247 transitions, 3202 flow [2021-03-26 11:45:10,060 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 166 places, 247 transitions, 3202 flow [2021-03-26 11:45:10,062 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 166 places, 247 transitions, 3202 flow [2021-03-26 11:45:10,428 INFO L129 PetriNetUnfolder]: 1221/3134 cut-off events. [2021-03-26 11:45:10,429 INFO L130 PetriNetUnfolder]: For 58465/83425 co-relation queries the response was YES. [2021-03-26 11:45:10,453 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23687 conditions, 3134 events. 1221/3134 cut-off events. For 58465/83425 co-relation queries the response was YES. Maximal size of possible extension queue 267. Compared 26638 event pairs, 370 based on Foata normal form. 58/2819 useless extension candidates. Maximal degree in co-relation 23621. Up to 1595 conditions per place. [2021-03-26 11:45:10,493 INFO L142 LiptonReduction]: Number of co-enabled transitions 3846 [2021-03-26 11:45:12,238 INFO L154 LiptonReduction]: Checked pairs total: 27174 [2021-03-26 11:45:12,238 INFO L156 LiptonReduction]: Total number of compositions: 13 [2021-03-26 11:45:12,238 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2178 [2021-03-26 11:45:12,239 INFO L480 AbstractCegarLoop]: Abstraction has has 166 places, 247 transitions, 3202 flow [2021-03-26 11:45:12,239 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) [2021-03-26 11:45:12,239 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:45:12,240 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:45:12,454 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2021-03-26 11:45:12,454 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]=== [2021-03-26 11:45:12,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:45:12,455 INFO L82 PathProgramCache]: Analyzing trace with hash -1422227223, now seen corresponding path program 1 times [2021-03-26 11:45:12,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:45:12,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527429291] [2021-03-26 11:45:12,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:45:12,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:45:12,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:45:12,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:45:12,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 11:45:12,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:45:12,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:45:12,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:45:12,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 11:45:12,501 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-03-26 11:45:12,502 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527429291] [2021-03-26 11:45:12,502 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [201988260] [2021-03-26 11:45:12,502 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 [2021-03-26 11:45:12,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:45:12,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-26 11:45:12,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 11:45:12,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 11:45:12,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:45:12,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 11:45:12,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:45:12,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:45:12,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 11:45:12,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 11:45:12,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:45:12,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 11:45:12,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:45:12,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:12,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 11:45:12,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:45:12,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 11:45:12,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 11:45:12,649 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size [2021-03-26 11:45:12,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:45:12,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,650 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 11:45:12,651 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:45:12,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 11:45:12,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 11:45:12,653 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 11:45:12,653 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:45:12,654 INFO L142 QuantifierPusher]: treesize reduction 15, result has 42.3 percent of original size [2021-03-26 11:45:12,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:45:12,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:45:12,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:12,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:45:12,661 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-03-26 11:45:12,661 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-26 11:45:12,661 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 11 [2021-03-26 11:45:12,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308632386] [2021-03-26 11:45:12,661 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 11:45:12,661 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:45:12,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 11:45:12,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-03-26 11:45:12,662 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 209 [2021-03-26 11:45:12,663 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) [2021-03-26 11:45:12,663 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:45:12,663 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 209 [2021-03-26 11:45:12,663 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:45:17,038 INFO L129 PetriNetUnfolder]: 15037/25408 cut-off events. [2021-03-26 11:45:17,038 INFO L130 PetriNetUnfolder]: For 421501/443918 co-relation queries the response was YES. [2021-03-26 11:45:17,257 INFO L84 FinitePrefix]: Finished finitePrefix Result has 185584 conditions, 25408 events. 15037/25408 cut-off events. For 421501/443918 co-relation queries the response was YES. Maximal size of possible extension queue 4768. Compared 260641 event pairs, 3513 based on Foata normal form. 669/24380 useless extension candidates. Maximal degree in co-relation 185515. Up to 8033 conditions per place. [2021-03-26 11:45:17,366 INFO L132 encePairwiseOnDemand]: 192/209 looper letters, 275 selfloop transitions, 224 changer transitions 18/545 dead transitions. [2021-03-26 11:45:17,367 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 545 transitions, 8166 flow [2021-03-26 11:45:17,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 11:45:17,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 11:45:17,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1850 transitions. [2021-03-26 11:45:17,369 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6808980493191019 [2021-03-26 11:45:17,369 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1850 transitions. [2021-03-26 11:45:17,369 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1850 transitions. [2021-03-26 11:45:17,369 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:45:17,369 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1850 transitions. [2021-03-26 11:45:17,370 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) [2021-03-26 11:45:17,385 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) [2021-03-26 11:45:17,385 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) [2021-03-26 11:45:17,385 INFO L185 Difference]: Start difference. First operand has 166 places, 247 transitions, 3202 flow. Second operand 13 states and 1850 transitions. [2021-03-26 11:45:17,385 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 545 transitions, 8166 flow [2021-03-26 11:45:21,112 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 545 transitions, 7806 flow, removed 153 selfloop flow, removed 7 redundant places. [2021-03-26 11:45:21,120 INFO L241 Difference]: Finished difference. Result has 179 places, 365 transitions, 5518 flow [2021-03-26 11:45:21,121 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} [2021-03-26 11:45:21,121 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 133 predicate places. [2021-03-26 11:45:21,121 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:45:21,121 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 179 places, 365 transitions, 5518 flow [2021-03-26 11:45:21,122 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 179 places, 365 transitions, 5518 flow [2021-03-26 11:45:21,124 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 179 places, 365 transitions, 5518 flow [2021-03-26 11:45:21,457 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([782] L698-->thr2EXIT: Formula: (= (+ v_thr2Thread4of4ForFork0_~t~0_17 1) v_~x~0_362) InVars {thr2Thread4of4ForFork0_~t~0=v_thr2Thread4of4ForFork0_~t~0_17} OutVars{thr2Thread4of4ForFork0_~t~0=v_thr2Thread4of4ForFork0_~t~0_17, ~x~0=v_~x~0_362} AuxVars[] AssignedVars[~x~0][279], [512#(and (<= thr2Thread1of4ForFork0_~t~0 1) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0)), Black: 231#(and (<= 20 ~n~0) (< ~n~0 40) (<= thr2Thread2of4ForFork0_~t~0 0)), Black: 249#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (<= thr2Thread2of4ForFork0_~t~0 0)), Black: 251#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (<= thr2Thread2of4ForFork0_~t~0 0)), Black: 191#(and (<= 20 ~n~0) (<= ~x~0 0) (< ~n~0 40)), 135#(not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0)), 394#(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) (< ~n~0 40)), Black: 498#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 518#(and (<= thr2Thread1of4ForFork0_~t~0 1) (<= ~x~0 ~n~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0)), Black: 137#(and (= ~x~0 0) (<= 20 ~n~0) (not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0)) (< ~n~0 40)), Black: 470#(and (<= ~x~0 1) (< 1 ~n~0)), Black: 502#(and (= ~x~0 0) (<= thr2Thread1of4ForFork0_~t~0 1) (<= 1 ULTIMATE.start_main_~i~0) (< 1 ~n~0)), Black: 352#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 520#(and (<= ~x~0 ~n~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 386#(and (= ~x~0 0) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 504#(and (<= thr2Thread1of4ForFork0_~t~0 1) (<= ~x~0 2) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0)), Black: 354#(and (= ~x~0 0) (<= 2 ~n~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 474#(and (<= thr2Thread1of4ForFork0_~t~0 1) (< 1 ~n~0)), Black: 356#(and (= ~x~0 0) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1)), Black: 388#(and (= ~x~0 0) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1)), Black: 506#(and (= ~x~0 0) (<= thr2Thread1of4ForFork0_~t~0 1) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0)), Black: 508#(and (<= thr2Thread1of4ForFork0_~t~0 1) (<= ~x~0 2) (< 1 ~n~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: 392#(and (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 492#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0)), Black: 510#(and (<= ~x~0 1) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0)), Black: 364#(and (= ~x~0 0) (<= 1 ULTIMATE.start_main_~i~0) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1)), Black: 268#(and (= ~x~0 0) (<= 2 ~n~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: 334#(and (= ~x~0 0) (<= 2 ~n~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 340#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0)), Black: 374#(and (<= ~x~0 2) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 342#(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: 346#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 348#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 380#(and (= ~x~0 0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 350#(and (<= ~x~0 1) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 382#(and (= ~x~0 0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1)), 37#L698true, 169#(and (<= 1 ~n~0) (not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0)) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 161#(and (<= 1 ~n~0) (<= ~x~0 ~n~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 163#(and (<= 1 ~n~0) (not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0)) (<= ~x~0 ~n~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 147#(and (<= 1 ~n~0) (= thr2Thread1of4ForFork0_~t~0 0)), 46#L708-2true, Black: 151#(and (= ~x~0 0) (= ULTIMATE.start_main_~i~0 0) (<= 1 ~n~0)), Black: 155#(and (= ~x~0 0) (= ULTIMATE.start_main_~i~0 0) (<= 1 ~n~0) (not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0))), Black: 157#(and (= ~x~0 0) (= ULTIMATE.start_main_~i~0 0) (<= 1 ~n~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 159#(and (= ~x~0 0) (= ULTIMATE.start_main_~i~0 0) (<= 1 ~n~0) (not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0)) (= thr2Thread1of4ForFork0_~t~0 0)), 54#thr2EXITtrue, 77#L698true, 78#thr1EXITtrue, 615#(and (<= 20 ~n~0) (< ~n~0 40) (<= thr2Thread3of4ForFork0_~t~0 0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), 105#L698true, Black: 546#(and (<= 20 ~n~0) (<= ~x~0 0) (< ~n~0 40)), Black: 595#(and (<= 20 ~n~0) (< ~n~0 40) (<= thr2Thread3of4ForFork0_~t~0 0)), Black: 613#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (<= thr2Thread3of4ForFork0_~t~0 0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 599#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40)), Black: 617#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (<= thr2Thread3of4ForFork0_~t~0 0)), Black: 605#(and (<= 20 ~n~0) (<= ~x~0 0) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 607#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), thr2Thread1of4ForFork0InUse, thr2Thread2of4ForFork0InUse, thr2Thread3of4ForFork0InUse, thr2Thread4of4ForFork0InUse, thr1Thread1of4ForFork1InUse, 253#(and (<= 20 ~n~0) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (<= thr2Thread2of4ForFork0_~t~0 0)), Black: 241#(and (<= 20 ~n~0) (<= ~x~0 0) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1))]) [2021-03-26 11:45:21,458 INFO L384 tUnfolder$Statistics]: this new event has 28 ancestors and is cut-off event [2021-03-26 11:45:21,458 INFO L387 tUnfolder$Statistics]: existing Event has 28 ancestors and is cut-off event [2021-03-26 11:45:21,458 INFO L387 tUnfolder$Statistics]: existing Event has 27 ancestors and is cut-off event [2021-03-26 11:45:21,458 INFO L387 tUnfolder$Statistics]: existing Event has 28 ancestors and is cut-off event [2021-03-26 11:45:21,467 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([782] L698-->thr2EXIT: Formula: (= (+ v_thr2Thread4of4ForFork0_~t~0_17 1) v_~x~0_362) InVars {thr2Thread4of4ForFork0_~t~0=v_thr2Thread4of4ForFork0_~t~0_17} OutVars{thr2Thread4of4ForFork0_~t~0=v_thr2Thread4of4ForFork0_~t~0_17, ~x~0=v_~x~0_362} AuxVars[] AssignedVars[~x~0][279], [512#(and (<= thr2Thread1of4ForFork0_~t~0 1) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0)), Black: 231#(and (<= 20 ~n~0) (< ~n~0 40) (<= thr2Thread2of4ForFork0_~t~0 0)), Black: 249#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (<= thr2Thread2of4ForFork0_~t~0 0)), Black: 251#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (<= thr2Thread2of4ForFork0_~t~0 0)), Black: 191#(and (<= 20 ~n~0) (<= ~x~0 0) (< ~n~0 40)), 135#(not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0)), 394#(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) (< ~n~0 40)), Black: 498#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 518#(and (<= thr2Thread1of4ForFork0_~t~0 1) (<= ~x~0 ~n~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0)), Black: 470#(and (<= ~x~0 1) (< 1 ~n~0)), Black: 137#(and (= ~x~0 0) (<= 20 ~n~0) (not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0)) (< ~n~0 40)), Black: 502#(and (= ~x~0 0) (<= thr2Thread1of4ForFork0_~t~0 1) (<= 1 ULTIMATE.start_main_~i~0) (< 1 ~n~0)), Black: 352#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 520#(and (<= ~x~0 ~n~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 386#(and (= ~x~0 0) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 504#(and (<= thr2Thread1of4ForFork0_~t~0 1) (<= ~x~0 2) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0)), Black: 354#(and (= ~x~0 0) (<= 2 ~n~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 474#(and (<= thr2Thread1of4ForFork0_~t~0 1) (< 1 ~n~0)), Black: 356#(and (= ~x~0 0) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1)), Black: 388#(and (= ~x~0 0) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1)), Black: 506#(and (= ~x~0 0) (<= thr2Thread1of4ForFork0_~t~0 1) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0)), Black: 508#(and (<= thr2Thread1of4ForFork0_~t~0 1) (<= ~x~0 2) (< 1 ~n~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: 392#(and (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 492#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0)), Black: 510#(and (<= ~x~0 1) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0)), Black: 364#(and (= ~x~0 0) (<= 1 ULTIMATE.start_main_~i~0) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1)), Black: 268#(and (= ~x~0 0) (<= 2 ~n~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: 334#(and (= ~x~0 0) (<= 2 ~n~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 340#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0)), Black: 374#(and (<= ~x~0 2) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 342#(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: 346#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 348#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 380#(and (= ~x~0 0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 350#(and (<= ~x~0 1) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 382#(and (= ~x~0 0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1)), 37#L698true, 169#(and (<= 1 ~n~0) (not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0)) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 161#(and (<= 1 ~n~0) (<= ~x~0 ~n~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 163#(and (<= 1 ~n~0) (not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0)) (<= ~x~0 ~n~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 147#(and (<= 1 ~n~0) (= thr2Thread1of4ForFork0_~t~0 0)), 46#L708-2true, Black: 151#(and (= ~x~0 0) (= ULTIMATE.start_main_~i~0 0) (<= 1 ~n~0)), Black: 155#(and (= ~x~0 0) (= ULTIMATE.start_main_~i~0 0) (<= 1 ~n~0) (not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0))), Black: 157#(and (= ~x~0 0) (= ULTIMATE.start_main_~i~0 0) (<= 1 ~n~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 159#(and (= ~x~0 0) (= ULTIMATE.start_main_~i~0 0) (<= 1 ~n~0) (not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0)) (= thr2Thread1of4ForFork0_~t~0 0)), 54#thr2EXITtrue, 77#L698true, 78#thr1EXITtrue, 615#(and (<= 20 ~n~0) (< ~n~0 40) (<= thr2Thread3of4ForFork0_~t~0 0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), 105#L698true, Black: 546#(and (<= 20 ~n~0) (<= ~x~0 0) (< ~n~0 40)), Black: 595#(and (<= 20 ~n~0) (< ~n~0 40) (<= thr2Thread3of4ForFork0_~t~0 0)), Black: 613#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (<= thr2Thread3of4ForFork0_~t~0 0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 599#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40)), Black: 617#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (<= thr2Thread3of4ForFork0_~t~0 0)), Black: 605#(and (<= 20 ~n~0) (<= ~x~0 0) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 607#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), thr2Thread1of4ForFork0InUse, thr2Thread2of4ForFork0InUse, thr2Thread3of4ForFork0InUse, thr2Thread4of4ForFork0InUse, thr1Thread1of4ForFork1InUse, 253#(and (<= 20 ~n~0) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (<= thr2Thread2of4ForFork0_~t~0 0)), Black: 241#(and (<= 20 ~n~0) (<= ~x~0 0) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1))]) [2021-03-26 11:45:21,467 INFO L384 tUnfolder$Statistics]: this new event has 27 ancestors and is not cut-off event [2021-03-26 11:45:21,467 INFO L387 tUnfolder$Statistics]: existing Event has 28 ancestors and is not cut-off event [2021-03-26 11:45:21,467 INFO L387 tUnfolder$Statistics]: existing Event has 27 ancestors and is not cut-off event [2021-03-26 11:45:21,467 INFO L387 tUnfolder$Statistics]: existing Event has 28 ancestors and is not cut-off event [2021-03-26 11:45:21,467 INFO L387 tUnfolder$Statistics]: existing Event has 28 ancestors and is not cut-off event [2021-03-26 11:45:21,995 INFO L129 PetriNetUnfolder]: 2399/6588 cut-off events. [2021-03-26 11:45:21,995 INFO L130 PetriNetUnfolder]: For 169913/264005 co-relation queries the response was YES. [2021-03-26 11:45:22,094 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58789 conditions, 6588 events. 2399/6588 cut-off events. For 169913/264005 co-relation queries the response was YES. Maximal size of possible extension queue 513. Compared 68504 event pairs, 567 based on Foata normal form. 110/6008 useless extension candidates. Maximal degree in co-relation 58716. Up to 3648 conditions per place. [2021-03-26 11:45:22,195 INFO L142 LiptonReduction]: Number of co-enabled transitions 5736 [2021-03-26 11:45:39,694 INFO L154 LiptonReduction]: Checked pairs total: 28499 [2021-03-26 11:45:39,694 INFO L156 LiptonReduction]: Total number of compositions: 17 [2021-03-26 11:45:39,694 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 18573 [2021-03-26 11:45:39,695 INFO L480 AbstractCegarLoop]: Abstraction has has 179 places, 364 transitions, 5506 flow [2021-03-26 11:45:39,695 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) [2021-03-26 11:45:39,696 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:45:39,696 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:45:39,914 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2021-03-26 11:45:39,915 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]=== [2021-03-26 11:45:39,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:45:39,915 INFO L82 PathProgramCache]: Analyzing trace with hash 721235489, now seen corresponding path program 1 times [2021-03-26 11:45:39,915 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:45:39,915 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143731846] [2021-03-26 11:45:39,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:45:39,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:45:39,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:39,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:45:39,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:39,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:45:39,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:39,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:45:39,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:39,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:45:39,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:39,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:45:39,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:39,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 11:45:39,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:39,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 11:45:39,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:39,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:45:39,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:39,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 11:45:39,980 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 11:45:39,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143731846] [2021-03-26 11:45:39,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1481605811] [2021-03-26 11:45:39,980 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 [2021-03-26 11:45:40,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:45:40,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 16 conjunts are in the unsatisfiable core [2021-03-26 11:45:40,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 11:45:40,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 11:45:40,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:45:40,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 11:45:40,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:45:40,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:45:40,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 11:45:40,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 11:45:40,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:45:40,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 11:45:40,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:45:40,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 11:45:40,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:45:40,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:45:40,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 11:45:40,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 11:45:40,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:45:40,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 11:45:40,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:45:40,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:45:40,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 11:45:40,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:45:40,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 11:45:40,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 11:45:40,225 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size [2021-03-26 11:45:40,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:45:40,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,227 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 11:45:40,228 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:45:40,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 11:45:40,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 11:45:40,232 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 11:45:40,233 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:45:40,233 INFO L142 QuantifierPusher]: treesize reduction 15, result has 42.3 percent of original size [2021-03-26 11:45:40,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:45:40,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:45:40,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:45:40,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:45:40,243 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-03-26 11:45:40,243 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 11:45:40,243 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 15 [2021-03-26 11:45:40,243 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516618687] [2021-03-26 11:45:40,243 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-26 11:45:40,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:45:40,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-26 11:45:40,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2021-03-26 11:45:40,245 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 225 [2021-03-26 11:45:40,246 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 364 transitions, 5506 flow. Second operand has 17 states, 17 states have (on average 93.82352941176471) internal successors, (1595), 17 states have internal predecessors, (1595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:45:40,246 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:45:40,246 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 225 [2021-03-26 11:45:40,246 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:45:41,629 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 14 [2021-03-26 11:45:51,695 INFO L129 PetriNetUnfolder]: 30444/51609 cut-off events. [2021-03-26 11:45:51,696 INFO L130 PetriNetUnfolder]: For 1367192/1367239 co-relation queries the response was YES. [2021-03-26 11:45:52,295 INFO L84 FinitePrefix]: Finished finitePrefix Result has 439747 conditions, 51609 events. 30444/51609 cut-off events. For 1367192/1367239 co-relation queries the response was YES. Maximal size of possible extension queue 4174. Compared 506391 event pairs, 4682 based on Foata normal form. 508/50643 useless extension candidates. Maximal degree in co-relation 439671. Up to 15503 conditions per place. [2021-03-26 11:45:52,657 INFO L132 encePairwiseOnDemand]: 194/225 looper letters, 438 selfloop transitions, 638 changer transitions 112/1195 dead transitions. [2021-03-26 11:45:52,657 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 1195 transitions, 20533 flow [2021-03-26 11:45:52,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-03-26 11:45:52,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2021-03-26 11:45:52,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 5672 transitions. [2021-03-26 11:45:52,661 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45834343434343433 [2021-03-26 11:45:52,661 INFO L72 ComplementDD]: Start complementDD. Operand 55 states and 5672 transitions. [2021-03-26 11:45:52,661 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 5672 transitions. [2021-03-26 11:45:52,662 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:45:52,662 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 55 states and 5672 transitions. [2021-03-26 11:45:52,666 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 56 states, 55 states have (on average 103.12727272727273) internal successors, (5672), 55 states have internal predecessors, (5672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:45:52,672 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 56 states, 56 states have (on average 225.0) internal successors, (12600), 56 states have internal predecessors, (12600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:45:52,673 INFO L81 ComplementDD]: Finished complementDD. Result has 56 states, 56 states have (on average 225.0) internal successors, (12600), 56 states have internal predecessors, (12600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:45:52,673 INFO L185 Difference]: Start difference. First operand has 179 places, 364 transitions, 5506 flow. Second operand 55 states and 5672 transitions. [2021-03-26 11:45:52,673 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 1195 transitions, 20533 flow [2021-03-26 11:46:11,356 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 1195 transitions, 19167 flow, removed 683 selfloop flow, removed 0 redundant places. [2021-03-26 11:46:11,369 INFO L241 Difference]: Finished difference. Result has 273 places, 726 transitions, 13988 flow [2021-03-26 11:46:11,369 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=5328, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=364, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=280, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=55, PETRI_FLOW=13988, PETRI_PLACES=273, PETRI_TRANSITIONS=726} [2021-03-26 11:46:11,369 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 227 predicate places. [2021-03-26 11:46:11,369 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:46:11,369 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 273 places, 726 transitions, 13988 flow [2021-03-26 11:46:11,369 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 273 places, 726 transitions, 13988 flow [2021-03-26 11:46:11,374 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 273 places, 726 transitions, 13988 flow [2021-03-26 11:46:11,619 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([810] L707-6-->ULTIMATE.startEXIT: Formula: (and (= |v_ULTIMATE.start_main_#res_92| 0) (= |v_ULTIMATE.start_main_#res_92| |v_ULTIMATE.start_#t~ret9_32|) (not (< v_ULTIMATE.start_main_~i~0_354 v_~n~0_209)) (= |v_#valid_317| (store (store |v_#valid_318| |v_ULTIMATE.start_main_~#t1~0.base_131| 0) |v_ULTIMATE.start_main_~#t2~0.base_129| 0))) InVars {ULTIMATE.start_main_~#t1~0.base=|v_ULTIMATE.start_main_~#t1~0.base_131|, #valid=|v_#valid_318|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_354, ~n~0=v_~n~0_209, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_129|} OutVars{ULTIMATE.start_main_~#t1~0.base=|v_ULTIMATE.start_main_~#t1~0.base_130|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_92|, #valid=|v_#valid_317|, ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_98|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_354, ULTIMATE.start_#t~ret9=|v_ULTIMATE.start_#t~ret9_32|, ~n~0=v_~n~0_209, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_128|, ULTIMATE.start_main_~#t1~0.offset=|v_ULTIMATE.start_main_~#t1~0.offset_108|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1~0.base, ULTIMATE.start_main_#res, #valid, ULTIMATE.start_main_~#t2~0.offset, ULTIMATE.start_#t~ret9, ULTIMATE.start_main_~#t2~0.base, ULTIMATE.start_main_~#t1~0.offset][9], [Black: 231#(and (<= 20 ~n~0) (< ~n~0 40) (<= thr2Thread2of4ForFork0_~t~0 0)), Black: 249#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (<= thr2Thread2of4ForFork0_~t~0 0)), Black: 251#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (<= thr2Thread2of4ForFork0_~t~0 0)), Black: 253#(and (<= 20 ~n~0) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (<= thr2Thread2of4ForFork0_~t~0 0)), Black: 191#(and (<= 20 ~n~0) (<= ~x~0 0) (< ~n~0 40)), Black: 512#(and (<= thr2Thread1of4ForFork0_~t~0 1) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0)), Black: 498#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 518#(and (<= thr2Thread1of4ForFork0_~t~0 1) (<= ~x~0 ~n~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0)), Black: 470#(and (<= ~x~0 1) (< 1 ~n~0)), Black: 520#(and (<= ~x~0 ~n~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 504#(and (<= thr2Thread1of4ForFork0_~t~0 1) (<= ~x~0 2) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0)), Black: 474#(and (<= thr2Thread1of4ForFork0_~t~0 1) (< 1 ~n~0)), Black: 506#(and (= ~x~0 0) (<= thr2Thread1of4ForFork0_~t~0 1) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0)), Black: 508#(and (<= thr2Thread1of4ForFork0_~t~0 1) (<= ~x~0 2) (< 1 ~n~0)), Black: 492#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0)), Black: 510#(and (<= ~x~0 1) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0)), 28#thr1ENTRYtrue, Black: 773#(and (<= 20 ~n~0) (<= ~x~0 1) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), 37#L698true, Black: 775#(and (<= 20 ~n~0) (<= ~x~0 2) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 777#(and (<= 20 ~n~0) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 715#(and (= ULTIMATE.start_main_~i~0 0) (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 779#(and (<= 20 ~n~0) (<= ~x~0 1) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 781#(and (<= 20 ~n~0) (<= ~x~0 2) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 719#(and (= ~x~0 0) (<= 20 ~n~0) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 783#(and (<= 20 ~n~0) (<= ~x~0 1) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 785#(and (<= 20 ~n~0) (<= ~x~0 2) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 721#(and (= ~x~0 0) (<= 20 ~n~0) (< ~n~0 40) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 723#(and (= ULTIMATE.start_main_~i~0 0) (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 789#(and (<= 20 ~n~0) (<= ~x~0 2) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40)), Black: 725#(and (= ~x~0 0) (<= 20 ~n~0) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 727#(and (= ~x~0 0) (<= 20 ~n~0) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 791#(and (<= 20 ~n~0) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 729#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 793#(and (<= 20 ~n~0) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 795#(and (<= 20 ~n~0) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 731#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 797#(and (<= 20 ~n~0) (<= ~x~0 ~n~0) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 733#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 735#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 799#(and (<= 20 ~n~0) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 737#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 801#(and (<= 20 ~n~0) (<= ~x~0 ~n~0) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 803#(and (<= 20 ~n~0) (<= ~x~0 ~n~0) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 739#(and (<= 20 ~n~0) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 741#(and (<= 20 ~n~0) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 743#(and (<= 20 ~n~0) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 745#(and (<= 20 ~n~0) (<= ~x~0 ~n~0) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), 66#ULTIMATE.startEXITtrue, Black: 747#(and (<= 20 ~n~0) (< ~n~0 40) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 749#(and (<= ~x~0 ~n~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 691#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40)), Black: 755#(and (<= 20 ~n~0) (<= ~x~0 ~n~0) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 759#(and (<= 20 ~n~0) (<= ~x~0 2) (<= thr2Thread3of4ForFork0_~t~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: 761#(and (= ~x~0 0) (<= 20 ~n~0) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 763#(and (<= 20 ~n~0) (<= ~x~0 1) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 765#(and (<= 20 ~n~0) (<= ~x~0 2) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= thr2Thread1of4ForFork0_~t~0 0)), 77#L698true, 611#(and (<= 20 ~n~0) (<= ~x~0 0) (< ~n~0 40) (<= thr2Thread3of4ForFork0_~t~0 0)), 360#(and (= ~x~0 0) (<= 1 ULTIMATE.start_main_~i~0) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1) (= thr2Thread1of4ForFork0_~t~0 0)), 105#L698true, Black: 546#(and (<= 20 ~n~0) (<= ~x~0 0) (< ~n~0 40)), Black: 595#(and (<= 20 ~n~0) (< ~n~0 40) (<= thr2Thread3of4ForFork0_~t~0 0)), Black: 613#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (<= thr2Thread3of4ForFork0_~t~0 0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 615#(and (<= 20 ~n~0) (< ~n~0 40) (<= thr2Thread3of4ForFork0_~t~0 0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 599#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40)), Black: 617#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (<= thr2Thread3of4ForFork0_~t~0 0)), Black: 605#(and (<= 20 ~n~0) (<= ~x~0 0) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 607#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), thr2Thread1of4ForFork0InUse, thr2Thread2of4ForFork0InUse, thr2Thread3of4ForFork0InUse, thr2Thread4of4ForFork0NotInUse, thr1Thread1of4ForFork1InUse, Black: 137#(and (= ~x~0 0) (<= 20 ~n~0) (not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0)) (< ~n~0 40)), Black: 352#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 386#(and (= ~x~0 0) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 354#(and (= ~x~0 0) (<= 2 ~n~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 356#(and (= ~x~0 0) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1)), Black: 388#(and (= ~x~0 0) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1)), Black: 392#(and (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 394#(and (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 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: 268#(and (= ~x~0 0) (<= 2 ~n~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: 334#(and (= ~x~0 0) (<= 2 ~n~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 340#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0)), Black: 374#(and (<= ~x~0 2) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 342#(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: 346#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 348#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 380#(and (= ~x~0 0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 350#(and (<= ~x~0 1) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 382#(and (= ~x~0 0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1)), Black: 161#(and (<= 1 ~n~0) (<= ~x~0 ~n~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 163#(and (<= 1 ~n~0) (not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0)) (<= ~x~0 ~n~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 147#(and (<= 1 ~n~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 151#(and (= ~x~0 0) (= ULTIMATE.start_main_~i~0 0) (<= 1 ~n~0)), Black: 169#(and (<= 1 ~n~0) (not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0)) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 155#(and (= ~x~0 0) (= ULTIMATE.start_main_~i~0 0) (<= 1 ~n~0) (not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0))), Black: 157#(and (= ~x~0 0) (= ULTIMATE.start_main_~i~0 0) (<= 1 ~n~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 159#(and (= ~x~0 0) (= ULTIMATE.start_main_~i~0 0) (<= 1 ~n~0) (not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0)) (= thr2Thread1of4ForFork0_~t~0 0)), 753#(and (= ~x~0 0) (<= 20 ~n~0) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= thr2Thread1of4ForFork0_~t~0 0)), 502#(and (= ~x~0 0) (<= thr2Thread1of4ForFork0_~t~0 1) (<= 1 ULTIMATE.start_main_~i~0) (< 1 ~n~0)), Black: 241#(and (<= 20 ~n~0) (<= ~x~0 0) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1))]) [2021-03-26 11:46:11,620 INFO L384 tUnfolder$Statistics]: this new event has 22 ancestors and is not cut-off event [2021-03-26 11:46:11,620 INFO L387 tUnfolder$Statistics]: existing Event has 23 ancestors and is not cut-off event [2021-03-26 11:46:11,620 INFO L387 tUnfolder$Statistics]: existing Event has 22 ancestors and is not cut-off event [2021-03-26 11:46:11,620 INFO L387 tUnfolder$Statistics]: existing Event has 23 ancestors and is not cut-off event [2021-03-26 11:46:11,923 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([782] L698-->thr2EXIT: Formula: (= (+ v_thr2Thread4of4ForFork0_~t~0_17 1) v_~x~0_362) InVars {thr2Thread4of4ForFork0_~t~0=v_thr2Thread4of4ForFork0_~t~0_17} OutVars{thr2Thread4of4ForFork0_~t~0=v_thr2Thread4of4ForFork0_~t~0_17, ~x~0=v_~x~0_362} AuxVars[] AssignedVars[~x~0][16], [512#(and (<= thr2Thread1of4ForFork0_~t~0 1) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0)), Black: 231#(and (<= 20 ~n~0) (< ~n~0 40) (<= thr2Thread2of4ForFork0_~t~0 0)), Black: 249#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (<= thr2Thread2of4ForFork0_~t~0 0)), Black: 251#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (<= thr2Thread2of4ForFork0_~t~0 0)), Black: 191#(and (<= 20 ~n~0) (<= ~x~0 0) (< ~n~0 40)), Black: 498#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 518#(and (<= thr2Thread1of4ForFork0_~t~0 1) (<= ~x~0 ~n~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0)), Black: 470#(and (<= ~x~0 1) (< 1 ~n~0)), Black: 502#(and (= ~x~0 0) (<= thr2Thread1of4ForFork0_~t~0 1) (<= 1 ULTIMATE.start_main_~i~0) (< 1 ~n~0)), Black: 520#(and (<= ~x~0 ~n~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 504#(and (<= thr2Thread1of4ForFork0_~t~0 1) (<= ~x~0 2) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0)), Black: 474#(and (<= thr2Thread1of4ForFork0_~t~0 1) (< 1 ~n~0)), Black: 506#(and (= ~x~0 0) (<= thr2Thread1of4ForFork0_~t~0 1) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0)), Black: 508#(and (<= thr2Thread1of4ForFork0_~t~0 1) (<= ~x~0 2) (< 1 ~n~0)), Black: 492#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0)), Black: 510#(and (<= ~x~0 1) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0)), 35#thr2ENTRYtrue, Black: 773#(and (<= 20 ~n~0) (<= ~x~0 1) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 775#(and (<= 20 ~n~0) (<= ~x~0 2) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 777#(and (<= 20 ~n~0) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 715#(and (= ULTIMATE.start_main_~i~0 0) (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 779#(and (<= 20 ~n~0) (<= ~x~0 1) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 781#(and (<= 20 ~n~0) (<= ~x~0 2) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 719#(and (= ~x~0 0) (<= 20 ~n~0) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 783#(and (<= 20 ~n~0) (<= ~x~0 1) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 785#(and (<= 20 ~n~0) (<= ~x~0 2) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 721#(and (= ~x~0 0) (<= 20 ~n~0) (< ~n~0 40) (= thr2Thread1of4ForFork0_~t~0 0)), 46#L708-2true, Black: 723#(and (= ULTIMATE.start_main_~i~0 0) (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 789#(and (<= 20 ~n~0) (<= ~x~0 2) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40)), Black: 725#(and (= ~x~0 0) (<= 20 ~n~0) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 727#(and (= ~x~0 0) (<= 20 ~n~0) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 791#(and (<= 20 ~n~0) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 729#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 793#(and (<= 20 ~n~0) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 795#(and (<= 20 ~n~0) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= thr2Thread1of4ForFork0_~t~0 0)), 54#thr2EXITtrue, Black: 731#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 797#(and (<= 20 ~n~0) (<= ~x~0 ~n~0) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 733#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 735#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 799#(and (<= 20 ~n~0) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 737#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 801#(and (<= 20 ~n~0) (<= ~x~0 ~n~0) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 803#(and (<= 20 ~n~0) (<= ~x~0 ~n~0) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 741#(and (<= 20 ~n~0) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 743#(and (<= 20 ~n~0) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 745#(and (<= 20 ~n~0) (<= ~x~0 ~n~0) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 747#(and (<= 20 ~n~0) (< ~n~0 40) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 749#(and (<= ~x~0 ~n~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 753#(and (= ~x~0 0) (<= 20 ~n~0) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 691#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40)), Black: 755#(and (<= 20 ~n~0) (<= ~x~0 ~n~0) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 759#(and (<= 20 ~n~0) (<= ~x~0 2) (<= thr2Thread3of4ForFork0_~t~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: 761#(and (= ~x~0 0) (<= 20 ~n~0) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 763#(and (<= 20 ~n~0) (<= ~x~0 1) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 765#(and (<= 20 ~n~0) (<= ~x~0 2) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= thr2Thread1of4ForFork0_~t~0 0)), 77#L698true, 78#thr1EXITtrue, 603#(= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1), 105#L698true, Black: 546#(and (<= 20 ~n~0) (<= ~x~0 0) (< ~n~0 40)), Black: 595#(and (<= 20 ~n~0) (< ~n~0 40) (<= thr2Thread3of4ForFork0_~t~0 0)), Black: 613#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (<= thr2Thread3of4ForFork0_~t~0 0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 615#(and (<= 20 ~n~0) (< ~n~0 40) (<= thr2Thread3of4ForFork0_~t~0 0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 599#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40)), Black: 617#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (<= thr2Thread3of4ForFork0_~t~0 0)), Black: 605#(and (<= 20 ~n~0) (<= ~x~0 0) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 607#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), thr2Thread1of4ForFork0InUse, thr2Thread2of4ForFork0InUse, thr2Thread3of4ForFork0InUse, thr2Thread4of4ForFork0InUse, thr1Thread1of4ForFork1InUse, 135#(not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0)), 394#(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) (< ~n~0 40)), Black: 137#(and (= ~x~0 0) (<= 20 ~n~0) (not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0)) (< ~n~0 40)), Black: 352#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 386#(and (= ~x~0 0) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 354#(and (= ~x~0 0) (<= 2 ~n~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 356#(and (= ~x~0 0) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1)), Black: 388#(and (= ~x~0 0) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1)), Black: 360#(and (= ~x~0 0) (<= 1 ULTIMATE.start_main_~i~0) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 392#(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: 268#(and (= ~x~0 0) (<= 2 ~n~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: 334#(and (= ~x~0 0) (<= 2 ~n~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 340#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0)), Black: 374#(and (<= ~x~0 2) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 342#(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: 346#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 348#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 380#(and (= ~x~0 0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 350#(and (<= ~x~0 1) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 382#(and (= ~x~0 0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1)), 169#(and (<= 1 ~n~0) (not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0)) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 161#(and (<= 1 ~n~0) (<= ~x~0 ~n~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 163#(and (<= 1 ~n~0) (not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0)) (<= ~x~0 ~n~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 147#(and (<= 1 ~n~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 151#(and (= ~x~0 0) (= ULTIMATE.start_main_~i~0 0) (<= 1 ~n~0)), Black: 155#(and (= ~x~0 0) (= ULTIMATE.start_main_~i~0 0) (<= 1 ~n~0) (not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0))), Black: 157#(and (= ~x~0 0) (= ULTIMATE.start_main_~i~0 0) (<= 1 ~n~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 159#(and (= ~x~0 0) (= ULTIMATE.start_main_~i~0 0) (<= 1 ~n~0) (not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0)) (= thr2Thread1of4ForFork0_~t~0 0)), 739#(and (<= 20 ~n~0) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), 253#(and (<= 20 ~n~0) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (<= thr2Thread2of4ForFork0_~t~0 0)), Black: 241#(and (<= 20 ~n~0) (<= ~x~0 0) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1))]) [2021-03-26 11:46:11,924 INFO L384 tUnfolder$Statistics]: this new event has 27 ancestors and is cut-off event [2021-03-26 11:46:11,924 INFO L387 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2021-03-26 11:46:11,924 INFO L387 tUnfolder$Statistics]: existing Event has 25 ancestors and is cut-off event [2021-03-26 11:46:11,924 INFO L387 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2021-03-26 11:46:11,970 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([782] L698-->thr2EXIT: Formula: (= (+ v_thr2Thread4of4ForFork0_~t~0_17 1) v_~x~0_362) InVars {thr2Thread4of4ForFork0_~t~0=v_thr2Thread4of4ForFork0_~t~0_17} OutVars{thr2Thread4of4ForFork0_~t~0=v_thr2Thread4of4ForFork0_~t~0_17, ~x~0=v_~x~0_362} AuxVars[] AssignedVars[~x~0][280], [Black: 249#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (<= thr2Thread2of4ForFork0_~t~0 0)), Black: 251#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (<= thr2Thread2of4ForFork0_~t~0 0)), Black: 253#(and (<= 20 ~n~0) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (<= thr2Thread2of4ForFork0_~t~0 0)), Black: 191#(and (<= 20 ~n~0) (<= ~x~0 0) (< ~n~0 40)), Black: 512#(and (<= thr2Thread1of4ForFork0_~t~0 1) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0)), Black: 498#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 518#(and (<= thr2Thread1of4ForFork0_~t~0 1) (<= ~x~0 ~n~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0)), Black: 470#(and (<= ~x~0 1) (< 1 ~n~0)), Black: 502#(and (= ~x~0 0) (<= thr2Thread1of4ForFork0_~t~0 1) (<= 1 ULTIMATE.start_main_~i~0) (< 1 ~n~0)), Black: 520#(and (<= ~x~0 ~n~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 504#(and (<= thr2Thread1of4ForFork0_~t~0 1) (<= ~x~0 2) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0)), Black: 506#(and (= ~x~0 0) (<= thr2Thread1of4ForFork0_~t~0 1) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0)), Black: 508#(and (<= thr2Thread1of4ForFork0_~t~0 1) (<= ~x~0 2) (< 1 ~n~0)), Black: 492#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0)), Black: 510#(and (<= ~x~0 1) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0)), 28#thr1ENTRYtrue, 799#(and (<= 20 ~n~0) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 773#(and (<= 20 ~n~0) (<= ~x~0 1) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), 37#L698true, Black: 775#(and (<= 20 ~n~0) (<= ~x~0 2) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 777#(and (<= 20 ~n~0) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 715#(and (= ULTIMATE.start_main_~i~0 0) (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 779#(and (<= 20 ~n~0) (<= ~x~0 1) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 781#(and (<= 20 ~n~0) (<= ~x~0 2) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 719#(and (= ~x~0 0) (<= 20 ~n~0) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 783#(and (<= 20 ~n~0) (<= ~x~0 1) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 785#(and (<= 20 ~n~0) (<= ~x~0 2) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 721#(and (= ~x~0 0) (<= 20 ~n~0) (< ~n~0 40) (= thr2Thread1of4ForFork0_~t~0 0)), 46#L708-2true, Black: 723#(and (= ULTIMATE.start_main_~i~0 0) (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 789#(and (<= 20 ~n~0) (<= ~x~0 2) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40)), Black: 725#(and (= ~x~0 0) (<= 20 ~n~0) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 727#(and (= ~x~0 0) (<= 20 ~n~0) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 791#(and (<= 20 ~n~0) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 729#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 793#(and (<= 20 ~n~0) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 795#(and (<= 20 ~n~0) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= thr2Thread1of4ForFork0_~t~0 0)), 54#thr2EXITtrue, Black: 731#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 797#(and (<= 20 ~n~0) (<= ~x~0 ~n~0) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 733#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 735#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 737#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 801#(and (<= 20 ~n~0) (<= ~x~0 ~n~0) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 803#(and (<= 20 ~n~0) (<= ~x~0 ~n~0) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 739#(and (<= 20 ~n~0) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 741#(and (<= 20 ~n~0) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 743#(and (<= 20 ~n~0) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 745#(and (<= 20 ~n~0) (<= ~x~0 ~n~0) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 747#(and (<= 20 ~n~0) (< ~n~0 40) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 749#(and (<= ~x~0 ~n~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 753#(and (= ~x~0 0) (<= 20 ~n~0) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 691#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40)), Black: 755#(and (<= 20 ~n~0) (<= ~x~0 ~n~0) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 759#(and (<= 20 ~n~0) (<= ~x~0 2) (<= thr2Thread3of4ForFork0_~t~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: 761#(and (= ~x~0 0) (<= 20 ~n~0) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 763#(and (<= 20 ~n~0) (<= ~x~0 1) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 765#(and (<= 20 ~n~0) (<= ~x~0 2) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= thr2Thread1of4ForFork0_~t~0 0)), 77#L698true, 595#(and (<= 20 ~n~0) (< ~n~0 40) (<= thr2Thread3of4ForFork0_~t~0 0)), 105#L698true, Black: 546#(and (<= 20 ~n~0) (<= ~x~0 0) (< ~n~0 40)), Black: 613#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (<= thr2Thread3of4ForFork0_~t~0 0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 615#(and (<= 20 ~n~0) (< ~n~0 40) (<= thr2Thread3of4ForFork0_~t~0 0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 599#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40)), Black: 617#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (<= thr2Thread3of4ForFork0_~t~0 0)), Black: 605#(and (<= 20 ~n~0) (<= ~x~0 0) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 607#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), thr2Thread1of4ForFork0InUse, thr2Thread2of4ForFork0InUse, thr2Thread3of4ForFork0InUse, thr2Thread4of4ForFork0InUse, thr1Thread1of4ForFork1InUse, 392#(and (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 134#(and (= ~x~0 0) (<= 20 ~n~0) (< ~n~0 40)), Black: 137#(and (= ~x~0 0) (<= 20 ~n~0) (not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0)) (< ~n~0 40)), Black: 352#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 386#(and (= ~x~0 0) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 354#(and (= ~x~0 0) (<= 2 ~n~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 356#(and (= ~x~0 0) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1)), Black: 388#(and (= ~x~0 0) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1)), 147#(and (<= 1 ~n~0) (= 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: 394#(and (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 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: 268#(and (= ~x~0 0) (<= 2 ~n~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: 334#(and (= ~x~0 0) (<= 2 ~n~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 340#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0)), Black: 374#(and (<= ~x~0 2) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 342#(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: 346#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 348#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 380#(and (= ~x~0 0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 350#(and (<= ~x~0 1) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 382#(and (= ~x~0 0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1)), Black: 161#(and (<= 1 ~n~0) (<= ~x~0 ~n~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 163#(and (<= 1 ~n~0) (not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0)) (<= ~x~0 ~n~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 151#(and (= ~x~0 0) (= ULTIMATE.start_main_~i~0 0) (<= 1 ~n~0)), Black: 169#(and (<= 1 ~n~0) (not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0)) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 155#(and (= ~x~0 0) (= ULTIMATE.start_main_~i~0 0) (<= 1 ~n~0) (not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0))), Black: 157#(and (= ~x~0 0) (= ULTIMATE.start_main_~i~0 0) (<= 1 ~n~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 159#(and (= ~x~0 0) (= ULTIMATE.start_main_~i~0 0) (<= 1 ~n~0) (not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0)) (= thr2Thread1of4ForFork0_~t~0 0)), 474#(and (<= thr2Thread1of4ForFork0_~t~0 1) (< 1 ~n~0)), 231#(and (<= 20 ~n~0) (< ~n~0 40) (<= thr2Thread2of4ForFork0_~t~0 0)), Black: 241#(and (<= 20 ~n~0) (<= ~x~0 0) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1))]) [2021-03-26 11:46:11,970 INFO L384 tUnfolder$Statistics]: this new event has 26 ancestors and is not cut-off event [2021-03-26 11:46:11,970 INFO L387 tUnfolder$Statistics]: existing Event has 26 ancestors and is not cut-off event [2021-03-26 11:46:11,970 INFO L387 tUnfolder$Statistics]: existing Event has 27 ancestors and is not cut-off event [2021-03-26 11:46:11,970 INFO L387 tUnfolder$Statistics]: existing Event has 27 ancestors and is not cut-off event [2021-03-26 11:46:12,019 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([782] L698-->thr2EXIT: Formula: (= (+ v_thr2Thread4of4ForFork0_~t~0_17 1) v_~x~0_362) InVars {thr2Thread4of4ForFork0_~t~0=v_thr2Thread4of4ForFork0_~t~0_17} OutVars{thr2Thread4of4ForFork0_~t~0=v_thr2Thread4of4ForFork0_~t~0_17, ~x~0=v_~x~0_362} AuxVars[] AssignedVars[~x~0][587], [512#(and (<= thr2Thread1of4ForFork0_~t~0 1) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0)), Black: 231#(and (<= 20 ~n~0) (< ~n~0 40) (<= thr2Thread2of4ForFork0_~t~0 0)), Black: 249#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (<= thr2Thread2of4ForFork0_~t~0 0)), Black: 251#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (<= thr2Thread2of4ForFork0_~t~0 0)), Black: 191#(and (<= 20 ~n~0) (<= ~x~0 0) (< ~n~0 40)), Black: 498#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 518#(and (<= thr2Thread1of4ForFork0_~t~0 1) (<= ~x~0 ~n~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0)), Black: 470#(and (<= ~x~0 1) (< 1 ~n~0)), Black: 502#(and (= ~x~0 0) (<= thr2Thread1of4ForFork0_~t~0 1) (<= 1 ULTIMATE.start_main_~i~0) (< 1 ~n~0)), Black: 520#(and (<= ~x~0 ~n~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 504#(and (<= thr2Thread1of4ForFork0_~t~0 1) (<= ~x~0 2) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0)), Black: 474#(and (<= thr2Thread1of4ForFork0_~t~0 1) (< 1 ~n~0)), Black: 506#(and (= ~x~0 0) (<= thr2Thread1of4ForFork0_~t~0 1) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0)), Black: 508#(and (<= thr2Thread1of4ForFork0_~t~0 1) (<= ~x~0 2) (< 1 ~n~0)), Black: 492#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0)), Black: 510#(and (<= ~x~0 1) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0)), 791#(and (<= 20 ~n~0) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), 37#L698true, Black: 773#(and (<= 20 ~n~0) (<= ~x~0 1) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 775#(and (<= 20 ~n~0) (<= ~x~0 2) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 777#(and (<= 20 ~n~0) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 715#(and (= ULTIMATE.start_main_~i~0 0) (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 779#(and (<= 20 ~n~0) (<= ~x~0 1) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 781#(and (<= 20 ~n~0) (<= ~x~0 2) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 719#(and (= ~x~0 0) (<= 20 ~n~0) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 783#(and (<= 20 ~n~0) (<= ~x~0 1) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 785#(and (<= 20 ~n~0) (<= ~x~0 2) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 721#(and (= ~x~0 0) (<= 20 ~n~0) (< ~n~0 40) (= thr2Thread1of4ForFork0_~t~0 0)), 46#L708-2true, Black: 723#(and (= ULTIMATE.start_main_~i~0 0) (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 789#(and (<= 20 ~n~0) (<= ~x~0 2) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40)), Black: 725#(and (= ~x~0 0) (<= 20 ~n~0) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 727#(and (= ~x~0 0) (<= 20 ~n~0) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 729#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 793#(and (<= 20 ~n~0) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), 54#thr2EXITtrue, Black: 795#(and (<= 20 ~n~0) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 731#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 797#(and (<= 20 ~n~0) (<= ~x~0 ~n~0) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 733#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 735#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 799#(and (<= 20 ~n~0) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 737#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 801#(and (<= 20 ~n~0) (<= ~x~0 ~n~0) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 803#(and (<= 20 ~n~0) (<= ~x~0 ~n~0) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 739#(and (<= 20 ~n~0) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 741#(and (<= 20 ~n~0) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 743#(and (<= 20 ~n~0) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 745#(and (<= 20 ~n~0) (<= ~x~0 ~n~0) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 747#(and (<= 20 ~n~0) (< ~n~0 40) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 749#(and (<= ~x~0 ~n~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 753#(and (= ~x~0 0) (<= 20 ~n~0) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 691#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40)), Black: 755#(and (<= 20 ~n~0) (<= ~x~0 ~n~0) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 759#(and (<= 20 ~n~0) (<= ~x~0 2) (<= thr2Thread3of4ForFork0_~t~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: 761#(and (= ~x~0 0) (<= 20 ~n~0) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 763#(and (<= 20 ~n~0) (<= ~x~0 1) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 765#(and (<= 20 ~n~0) (<= ~x~0 2) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= thr2Thread1of4ForFork0_~t~0 0)), 77#L698true, 78#thr1EXITtrue, 615#(and (<= 20 ~n~0) (< ~n~0 40) (<= thr2Thread3of4ForFork0_~t~0 0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), 105#L698true, Black: 546#(and (<= 20 ~n~0) (<= ~x~0 0) (< ~n~0 40)), Black: 595#(and (<= 20 ~n~0) (< ~n~0 40) (<= thr2Thread3of4ForFork0_~t~0 0)), Black: 613#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (<= thr2Thread3of4ForFork0_~t~0 0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 599#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40)), Black: 617#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (<= thr2Thread3of4ForFork0_~t~0 0)), Black: 605#(and (<= 20 ~n~0) (<= ~x~0 0) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 607#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), thr2Thread1of4ForFork0InUse, thr2Thread2of4ForFork0InUse, thr2Thread3of4ForFork0InUse, thr2Thread4of4ForFork0InUse, thr1Thread1of4ForFork1InUse, 135#(not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0)), 394#(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) (< ~n~0 40)), Black: 137#(and (= ~x~0 0) (<= 20 ~n~0) (not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0)) (< ~n~0 40)), Black: 352#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 386#(and (= ~x~0 0) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 354#(and (= ~x~0 0) (<= 2 ~n~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 356#(and (= ~x~0 0) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1)), Black: 388#(and (= ~x~0 0) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1)), Black: 360#(and (= ~x~0 0) (<= 1 ULTIMATE.start_main_~i~0) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 392#(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: 268#(and (= ~x~0 0) (<= 2 ~n~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: 334#(and (= ~x~0 0) (<= 2 ~n~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 340#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0)), Black: 374#(and (<= ~x~0 2) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 342#(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: 346#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 348#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 380#(and (= ~x~0 0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 350#(and (<= ~x~0 1) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 382#(and (= ~x~0 0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1)), 169#(and (<= 1 ~n~0) (not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0)) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 161#(and (<= 1 ~n~0) (<= ~x~0 ~n~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 163#(and (<= 1 ~n~0) (not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0)) (<= ~x~0 ~n~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 147#(and (<= 1 ~n~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 151#(and (= ~x~0 0) (= ULTIMATE.start_main_~i~0 0) (<= 1 ~n~0)), Black: 155#(and (= ~x~0 0) (= ULTIMATE.start_main_~i~0 0) (<= 1 ~n~0) (not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0))), Black: 157#(and (= ~x~0 0) (= ULTIMATE.start_main_~i~0 0) (<= 1 ~n~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 159#(and (= ~x~0 0) (= ULTIMATE.start_main_~i~0 0) (<= 1 ~n~0) (not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0)) (= thr2Thread1of4ForFork0_~t~0 0)), 253#(and (<= 20 ~n~0) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (<= thr2Thread2of4ForFork0_~t~0 0)), Black: 241#(and (<= 20 ~n~0) (<= ~x~0 0) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1))]) [2021-03-26 11:46:12,020 INFO L384 tUnfolder$Statistics]: this new event has 26 ancestors and is not cut-off event [2021-03-26 11:46:12,020 INFO L387 tUnfolder$Statistics]: existing Event has 27 ancestors and is not cut-off event [2021-03-26 11:46:12,020 INFO L387 tUnfolder$Statistics]: existing Event has 28 ancestors and is not cut-off event [2021-03-26 11:46:12,020 INFO L387 tUnfolder$Statistics]: existing Event has 27 ancestors and is not cut-off event [2021-03-26 11:46:12,463 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([810] L707-6-->ULTIMATE.startEXIT: Formula: (and (= |v_ULTIMATE.start_main_#res_92| 0) (= |v_ULTIMATE.start_main_#res_92| |v_ULTIMATE.start_#t~ret9_32|) (not (< v_ULTIMATE.start_main_~i~0_354 v_~n~0_209)) (= |v_#valid_317| (store (store |v_#valid_318| |v_ULTIMATE.start_main_~#t1~0.base_131| 0) |v_ULTIMATE.start_main_~#t2~0.base_129| 0))) InVars {ULTIMATE.start_main_~#t1~0.base=|v_ULTIMATE.start_main_~#t1~0.base_131|, #valid=|v_#valid_318|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_354, ~n~0=v_~n~0_209, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_129|} OutVars{ULTIMATE.start_main_~#t1~0.base=|v_ULTIMATE.start_main_~#t1~0.base_130|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_92|, #valid=|v_#valid_317|, ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_98|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_354, ULTIMATE.start_#t~ret9=|v_ULTIMATE.start_#t~ret9_32|, ~n~0=v_~n~0_209, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_128|, ULTIMATE.start_main_~#t1~0.offset=|v_ULTIMATE.start_main_~#t1~0.offset_108|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1~0.base, ULTIMATE.start_main_#res, #valid, ULTIMATE.start_main_~#t2~0.offset, ULTIMATE.start_#t~ret9, ULTIMATE.start_main_~#t2~0.base, ULTIMATE.start_main_~#t1~0.offset][9], [Black: 231#(and (<= 20 ~n~0) (< ~n~0 40) (<= thr2Thread2of4ForFork0_~t~0 0)), Black: 249#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (<= thr2Thread2of4ForFork0_~t~0 0)), Black: 251#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (<= thr2Thread2of4ForFork0_~t~0 0)), Black: 253#(and (<= 20 ~n~0) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (<= thr2Thread2of4ForFork0_~t~0 0)), Black: 191#(and (<= 20 ~n~0) (<= ~x~0 0) (< ~n~0 40)), Black: 512#(and (<= thr2Thread1of4ForFork0_~t~0 1) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0)), Black: 498#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 518#(and (<= thr2Thread1of4ForFork0_~t~0 1) (<= ~x~0 ~n~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0)), Black: 470#(and (<= ~x~0 1) (< 1 ~n~0)), Black: 520#(and (<= ~x~0 ~n~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 504#(and (<= thr2Thread1of4ForFork0_~t~0 1) (<= ~x~0 2) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0)), Black: 474#(and (<= thr2Thread1of4ForFork0_~t~0 1) (< 1 ~n~0)), Black: 506#(and (= ~x~0 0) (<= thr2Thread1of4ForFork0_~t~0 1) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0)), Black: 508#(and (<= thr2Thread1of4ForFork0_~t~0 1) (<= ~x~0 2) (< 1 ~n~0)), Black: 492#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0)), Black: 510#(and (<= ~x~0 1) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0)), 28#thr1ENTRYtrue, Black: 773#(and (<= 20 ~n~0) (<= ~x~0 1) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), 37#L698true, Black: 775#(and (<= 20 ~n~0) (<= ~x~0 2) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 777#(and (<= 20 ~n~0) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 715#(and (= ULTIMATE.start_main_~i~0 0) (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 779#(and (<= 20 ~n~0) (<= ~x~0 1) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 781#(and (<= 20 ~n~0) (<= ~x~0 2) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 719#(and (= ~x~0 0) (<= 20 ~n~0) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 783#(and (<= 20 ~n~0) (<= ~x~0 1) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 785#(and (<= 20 ~n~0) (<= ~x~0 2) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 721#(and (= ~x~0 0) (<= 20 ~n~0) (< ~n~0 40) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 723#(and (= ULTIMATE.start_main_~i~0 0) (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 789#(and (<= 20 ~n~0) (<= ~x~0 2) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40)), Black: 725#(and (= ~x~0 0) (<= 20 ~n~0) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 727#(and (= ~x~0 0) (<= 20 ~n~0) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 791#(and (<= 20 ~n~0) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 729#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 793#(and (<= 20 ~n~0) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 795#(and (<= 20 ~n~0) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 731#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 797#(and (<= 20 ~n~0) (<= ~x~0 ~n~0) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 733#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 735#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 799#(and (<= 20 ~n~0) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 737#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 801#(and (<= 20 ~n~0) (<= ~x~0 ~n~0) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 803#(and (<= 20 ~n~0) (<= ~x~0 ~n~0) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 739#(and (<= 20 ~n~0) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 741#(and (<= 20 ~n~0) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 743#(and (<= 20 ~n~0) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= thr2Thread1of4ForFork0_~t~0 0)), 66#ULTIMATE.startEXITtrue, Black: 745#(and (<= 20 ~n~0) (<= ~x~0 ~n~0) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 747#(and (<= 20 ~n~0) (< ~n~0 40) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 749#(and (<= ~x~0 ~n~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 691#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40)), Black: 755#(and (<= 20 ~n~0) (<= ~x~0 ~n~0) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 759#(and (<= 20 ~n~0) (<= ~x~0 2) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), 72#thr2ENTRYtrue, Black: 695#(and (<= 20 ~n~0) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40)), Black: 761#(and (= ~x~0 0) (<= 20 ~n~0) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 763#(and (<= 20 ~n~0) (<= ~x~0 1) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 765#(and (<= 20 ~n~0) (<= ~x~0 2) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= thr2Thread1of4ForFork0_~t~0 0)), 77#L698true, 611#(and (<= 20 ~n~0) (<= ~x~0 0) (< ~n~0 40) (<= thr2Thread3of4ForFork0_~t~0 0)), 360#(and (= ~x~0 0) (<= 1 ULTIMATE.start_main_~i~0) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1) (= thr2Thread1of4ForFork0_~t~0 0)), 105#L698true, Black: 546#(and (<= 20 ~n~0) (<= ~x~0 0) (< ~n~0 40)), Black: 595#(and (<= 20 ~n~0) (< ~n~0 40) (<= thr2Thread3of4ForFork0_~t~0 0)), Black: 613#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (<= thr2Thread3of4ForFork0_~t~0 0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 615#(and (<= 20 ~n~0) (< ~n~0 40) (<= thr2Thread3of4ForFork0_~t~0 0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 599#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40)), Black: 617#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (<= thr2Thread3of4ForFork0_~t~0 0)), Black: 605#(and (<= 20 ~n~0) (<= ~x~0 0) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 607#(and (<= 20 ~n~0) (<= ~x~0 1) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), thr2Thread1of4ForFork0InUse, thr2Thread2of4ForFork0InUse, thr2Thread3of4ForFork0InUse, thr2Thread4of4ForFork0InUse, thr1Thread1of4ForFork1InUse, Black: 137#(and (= ~x~0 0) (<= 20 ~n~0) (not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0)) (< ~n~0 40)), Black: 352#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 386#(and (= ~x~0 0) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 354#(and (= ~x~0 0) (<= 2 ~n~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 356#(and (= ~x~0 0) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1)), Black: 388#(and (= ~x~0 0) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1)), Black: 392#(and (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 394#(and (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 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: 268#(and (= ~x~0 0) (<= 2 ~n~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: 334#(and (= ~x~0 0) (<= 2 ~n~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 340#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0)), Black: 374#(and (<= ~x~0 2) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 342#(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: 346#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1)), Black: 348#(and (= ~x~0 0) (<= 2 ~n~0) (<= 1 ULTIMATE.start_main_~i~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 380#(and (= ~x~0 0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 350#(and (<= ~x~0 1) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 382#(and (= ~x~0 0) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1) (< 1 ~n~0) (<= thr2Thread2of4ForFork0_~t~0 1)), Black: 161#(and (<= 1 ~n~0) (<= ~x~0 ~n~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 163#(and (<= 1 ~n~0) (not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0)) (<= ~x~0 ~n~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 147#(and (<= 1 ~n~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 151#(and (= ~x~0 0) (= ULTIMATE.start_main_~i~0 0) (<= 1 ~n~0)), Black: 169#(and (<= 1 ~n~0) (not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0)) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 155#(and (= ~x~0 0) (= ULTIMATE.start_main_~i~0 0) (<= 1 ~n~0) (not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0))), Black: 157#(and (= ~x~0 0) (= ULTIMATE.start_main_~i~0 0) (<= 1 ~n~0) (= thr2Thread1of4ForFork0_~t~0 0)), Black: 159#(and (= ~x~0 0) (= ULTIMATE.start_main_~i~0 0) (<= 1 ~n~0) (not (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 0)) (= thr2Thread1of4ForFork0_~t~0 0)), 753#(and (= ~x~0 0) (<= 20 ~n~0) (<= thr2Thread3of4ForFork0_~t~0 1) (< ~n~0 40) (<= 1 ULTIMATE.start_main_~i~0) (= thr2Thread1of4ForFork0_~t~0 0)), 502#(and (= ~x~0 0) (<= thr2Thread1of4ForFork0_~t~0 1) (<= 1 ULTIMATE.start_main_~i~0) (< 1 ~n~0)), Black: 241#(and (<= 20 ~n~0) (<= ~x~0 0) (< ~n~0 40) (= |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| 1))]) [2021-03-26 11:46:12,464 INFO L384 tUnfolder$Statistics]: this new event has 29 ancestors and is not cut-off event [2021-03-26 11:46:12,464 INFO L387 tUnfolder$Statistics]: existing Event has 29 ancestors and is not cut-off event [2021-03-26 11:46:12,464 INFO L387 tUnfolder$Statistics]: existing Event has 30 ancestors and is not cut-off event [2021-03-26 11:46:12,464 INFO L387 tUnfolder$Statistics]: existing Event has 30 ancestors and is not cut-off event [2021-03-26 11:46:14,799 INFO L129 PetriNetUnfolder]: 5705/15646 cut-off events. [2021-03-26 11:46:14,800 INFO L130 PetriNetUnfolder]: For 1123680/1247029 co-relation queries the response was YES. [2021-03-26 11:46:15,058 INFO L84 FinitePrefix]: Finished finitePrefix Result has 173843 conditions, 15646 events. 5705/15646 cut-off events. For 1123680/1247029 co-relation queries the response was YES. Maximal size of possible extension queue 1523. Compared 193707 event pairs, 1874 based on Foata normal form. 856/14757 useless extension candidates. Maximal degree in co-relation 173728. Up to 5898 conditions per place. [2021-03-26 11:46:15,273 INFO L142 LiptonReduction]: Number of co-enabled transitions 9240 [2021-03-26 11:47:26,877 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2021-03-26 11:49:21,717 INFO L154 LiptonReduction]: Checked pairs total: 102969 [2021-03-26 11:49:21,717 INFO L156 LiptonReduction]: Total number of compositions: 19 [2021-03-26 11:49:21,717 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 190348 [2021-03-26 11:49:21,717 INFO L480 AbstractCegarLoop]: Abstraction has has 273 places, 723 transitions, 13932 flow [2021-03-26 11:49:21,718 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 93.82352941176471) internal successors, (1595), 17 states have internal predecessors, (1595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:49:21,718 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:49:21,718 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:49:21,931 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 11:49:21,932 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]=== [2021-03-26 11:49:21,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:49:21,932 INFO L82 PathProgramCache]: Analyzing trace with hash 1588560735, now seen corresponding path program 1 times [2021-03-26 11:49:21,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:49:21,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348476720] [2021-03-26 11:49:21,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:49:21,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:49:21,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:21,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:49:21,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:21,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:21,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:21,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:21,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:21,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:21,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:21,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:21,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:21,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:21,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:21,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 11:49:21,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:21,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 11:49:21,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:21,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 11:49:21,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:21,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 11:49:21,999 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:49:21,999 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348476720] [2021-03-26 11:49:21,999 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [313353081] [2021-03-26 11:49:21,999 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 [2021-03-26 11:49:22,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:49:22,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-26 11:49:22,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 11:49:22,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:49:22,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:49:22,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:49:22,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:49:22,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:49:22,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:49:22,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:49:22,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:49:22,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:49:22,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 11:49:22,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 11:49:22,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,098 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:49:22,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 11:49:22,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 11:49:22,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:49:22,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 11:49:22,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 11:49:22,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:49:22,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 11:49:22,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 11:49:22,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:49:22,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:49:22,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 11:49:22,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:49:22,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:49:22,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 11:49:22,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 11:49:22,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:49:22,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 11:49:22,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 11:49:22,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:49:22,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:49:22,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 11:49:22,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 11:49:22,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:49:22,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 11:49:22,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 11:49:22,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:49:22,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 11:49:22,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:49:22,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 11:49:22,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 11:49:22,200 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-26 11:49:22,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:49:22,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,201 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 11:49:22,202 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:49:22,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 11:49:22,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 11:49:22,204 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 11:49:22,205 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:49:22,205 INFO L142 QuantifierPusher]: treesize reduction 12, result has 40.0 percent of original size [2021-03-26 11:49:22,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:49:22,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:49:22,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:49:22,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:49:22,214 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:49:22,214 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 11:49:22,215 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 20 [2021-03-26 11:49:22,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080866471] [2021-03-26 11:49:22,215 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-03-26 11:49:22,215 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:49:22,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-03-26 11:49:22,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=381, Unknown=0, NotChecked=0, Total=462 [2021-03-26 11:49:22,217 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 241 [2021-03-26 11:49:22,218 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 723 transitions, 13932 flow. Second operand has 22 states, 22 states have (on average 92.54545454545455) internal successors, (2036), 22 states have internal predecessors, (2036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:49:22,218 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:49:22,218 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 241 [2021-03-26 11:49:22,218 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:49:41,789 INFO L129 PetriNetUnfolder]: 31283/55431 cut-off events. [2021-03-26 11:49:41,789 INFO L130 PetriNetUnfolder]: For 3130377/3130378 co-relation queries the response was YES. [2021-03-26 11:49:43,106 INFO L84 FinitePrefix]: Finished finitePrefix Result has 597863 conditions, 55431 events. 31283/55431 cut-off events. For 3130377/3130378 co-relation queries the response was YES. Maximal size of possible extension queue 4279. Compared 571093 event pairs, 8101 based on Foata normal form. 176/53937 useless extension candidates. Maximal degree in co-relation 597745. Up to 15395 conditions per place. [2021-03-26 11:49:43,364 INFO L132 encePairwiseOnDemand]: 196/241 looper letters, 682 selfloop transitions, 699 changer transitions 51/1439 dead transitions. [2021-03-26 11:49:43,365 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 1439 transitions, 30154 flow [2021-03-26 11:49:43,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-03-26 11:49:43,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2021-03-26 11:49:43,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 4423 transitions. [2021-03-26 11:49:43,368 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4268069091961787 [2021-03-26 11:49:43,368 INFO L72 ComplementDD]: Start complementDD. Operand 43 states and 4423 transitions. [2021-03-26 11:49:43,368 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 4423 transitions. [2021-03-26 11:49:43,369 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:49:43,369 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 43 states and 4423 transitions. [2021-03-26 11:49:43,372 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 44 states, 43 states have (on average 102.86046511627907) internal successors, (4423), 43 states have internal predecessors, (4423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:49:43,376 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 44 states, 44 states have (on average 241.0) internal successors, (10604), 44 states have internal predecessors, (10604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:49:43,376 INFO L81 ComplementDD]: Finished complementDD. Result has 44 states, 44 states have (on average 241.0) internal successors, (10604), 44 states have internal predecessors, (10604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:49:43,376 INFO L185 Difference]: Start difference. First operand has 273 places, 723 transitions, 13932 flow. Second operand 43 states and 4423 transitions. [2021-03-26 11:49:43,377 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 1439 transitions, 30154 flow [2021-03-26 11:50:43,156 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 1439 transitions, 27328 flow, removed 1232 selfloop flow, removed 9 redundant places. [2021-03-26 11:50:43,173 INFO L241 Difference]: Finished difference. Result has 333 places, 936 transitions, 19103 flow [2021-03-26 11:50:43,174 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=241, PETRI_DIFFERENCE_MINUEND_FLOW=12674, PETRI_DIFFERENCE_MINUEND_PLACES=264, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=718, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=480, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=198, PETRI_DIFFERENCE_SUBTRAHEND_STATES=43, PETRI_FLOW=19103, PETRI_PLACES=333, PETRI_TRANSITIONS=936} [2021-03-26 11:50:43,174 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 287 predicate places. [2021-03-26 11:50:43,174 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:50:43,174 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 333 places, 936 transitions, 19103 flow [2021-03-26 11:50:43,174 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 333 places, 936 transitions, 19103 flow [2021-03-26 11:50:43,181 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 333 places, 936 transitions, 19103 flow [2021-03-26 11:50:47,865 INFO L129 PetriNetUnfolder]: 7121/17205 cut-off events. [2021-03-26 11:50:47,865 INFO L130 PetriNetUnfolder]: For 1509853/1563826 co-relation queries the response was YES. [2021-03-26 11:50:48,115 INFO L84 FinitePrefix]: Finished finitePrefix Result has 225564 conditions, 17205 events. 7121/17205 cut-off events. For 1509853/1563826 co-relation queries the response was YES. Maximal size of possible extension queue 1587. Compared 200572 event pairs, 1676 based on Foata normal form. 594/16175 useless extension candidates. Maximal degree in co-relation 225421. Up to 7093 conditions per place. [2021-03-26 11:50:48,738 INFO L142 LiptonReduction]: Number of co-enabled transitions 11696 [2021-03-26 11:55:55,746 INFO L154 LiptonReduction]: Checked pairs total: 117865 [2021-03-26 11:55:55,746 INFO L156 LiptonReduction]: Total number of compositions: 19 [2021-03-26 11:55:55,747 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 312573 [2021-03-26 11:55:55,747 INFO L480 AbstractCegarLoop]: Abstraction has has 333 places, 935 transitions, 19079 flow [2021-03-26 11:55:55,747 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 92.54545454545455) internal successors, (2036), 22 states have internal predecessors, (2036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:55:55,747 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:55:55,747 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:55:55,962 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2021-03-26 11:55:55,962 INFO L428 AbstractCegarLoop]: === Iteration 9 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 11:55:55,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:55:55,963 INFO L82 PathProgramCache]: Analyzing trace with hash -1083950659, now seen corresponding path program 1 times [2021-03-26 11:55:55,963 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:55:55,963 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18011655] [2021-03-26 11:55:55,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:55:55,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:55:55,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:55,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:55:55,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:55,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:55,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:55,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:55,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:55,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:55,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:55,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 11:55:55,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:55,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 11:55:56,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:55:56,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 11:55:56,021 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 11:55:56,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18011655] [2021-03-26 11:55:56,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1747259708] [2021-03-26 11:55:56,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 11:55:56,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:55:56,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 17 conjunts are in the unsatisfiable core [2021-03-26 11:55:56,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 11:55:56,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:55:56,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:55:56,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:55:56,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:55:56,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:55:56,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:55:56,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:55:56,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:55:56,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:55:56,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:55:56,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:55:56,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 11:55:56,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:55:56,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:55:56,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:55:56,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:55:56,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 11:55:56,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:55:56,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:55:56,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:55:56,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 11:55:56,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:55:56,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:55:56,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:55:56,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 11:55:56,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:55:56,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 11:55:56,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:55:56,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 11:55:56,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 11:55:56,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:55:56,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 11:55:56,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 11:55:56,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 11:55:56,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 11:55:56,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:55:56,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 11:55:56,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 11:55:56,197 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-26 11:55:56,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:55:56,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,198 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 11:55:56,198 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:55:56,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 11:55:56,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 11:55:56,200 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 11:55:56,201 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 11:55:56,201 INFO L142 QuantifierPusher]: treesize reduction 12, result has 40.0 percent of original size [2021-03-26 11:55:56,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:55:56,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:55:56,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:55:56,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:55:56,209 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:55:56,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 11:55:56,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 17 [2021-03-26 11:55:56,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426369197] [2021-03-26 11:55:56,209 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-26 11:55:56,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:55:56,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-26 11:55:56,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2021-03-26 11:55:56,211 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 259 [2021-03-26 11:55:56,212 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 333 places, 935 transitions, 19079 flow. Second operand has 19 states, 19 states have (on average 96.47368421052632) internal successors, (1833), 19 states have internal predecessors, (1833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:55:56,212 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:55:56,212 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 259 [2021-03-26 11:55:56,212 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:56:22,177 INFO L129 PetriNetUnfolder]: 33833/59605 cut-off events. [2021-03-26 11:56:22,177 INFO L130 PetriNetUnfolder]: For 4704391/4704562 co-relation queries the response was YES. [2021-03-26 11:56:23,925 INFO L84 FinitePrefix]: Finished finitePrefix Result has 697328 conditions, 59605 events. 33833/59605 cut-off events. For 4704391/4704562 co-relation queries the response was YES. Maximal size of possible extension queue 4629. Compared 609249 event pairs, 8495 based on Foata normal form. 341/58283 useless extension candidates. Maximal degree in co-relation 697182. Up to 15619 conditions per place. [2021-03-26 11:56:24,241 INFO L132 encePairwiseOnDemand]: 209/259 looper letters, 448 selfloop transitions, 800 changer transitions 12/1268 dead transitions. [2021-03-26 11:56:24,242 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 361 places, 1268 transitions, 28488 flow [2021-03-26 11:56:24,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-03-26 11:56:24,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-03-26 11:56:24,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 3090 transitions. [2021-03-26 11:56:24,244 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41139661829317004 [2021-03-26 11:56:24,244 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 3090 transitions. [2021-03-26 11:56:24,244 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 3090 transitions. [2021-03-26 11:56:24,245 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:56:24,245 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 3090 transitions. [2021-03-26 11:56:24,247 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 106.55172413793103) internal successors, (3090), 29 states have internal predecessors, (3090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:56:24,263 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 259.0) internal successors, (7770), 30 states have internal predecessors, (7770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:56:24,263 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 259.0) internal successors, (7770), 30 states have internal predecessors, (7770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:56:24,263 INFO L185 Difference]: Start difference. First operand has 333 places, 935 transitions, 19079 flow. Second operand 29 states and 3090 transitions. [2021-03-26 11:56:24,263 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 361 places, 1268 transitions, 28488 flow [2021-03-26 11:57:56,758 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 353 places, 1268 transitions, 26680 flow, removed 589 selfloop flow, removed 8 redundant places. [2021-03-26 11:57:56,778 INFO L241 Difference]: Finished difference. Result has 368 places, 1073 transitions, 23641 flow [2021-03-26 11:57:56,779 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=259, PETRI_DIFFERENCE_MINUEND_FLOW=17921, PETRI_DIFFERENCE_MINUEND_PLACES=325, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=935, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=671, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=23641, PETRI_PLACES=368, PETRI_TRANSITIONS=1073} [2021-03-26 11:57:56,779 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 322 predicate places. [2021-03-26 11:57:56,779 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:57:56,779 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 368 places, 1073 transitions, 23641 flow [2021-03-26 11:57:56,779 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 368 places, 1073 transitions, 23641 flow [2021-03-26 11:57:56,788 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 368 places, 1073 transitions, 23641 flow [2021-03-26 11:58:02,593 INFO L129 PetriNetUnfolder]: 7914/19433 cut-off events. [2021-03-26 11:58:02,593 INFO L130 PetriNetUnfolder]: For 2087932/2198619 co-relation queries the response was YES. [2021-03-26 11:58:02,943 INFO L84 FinitePrefix]: Finished finitePrefix Result has 269015 conditions, 19433 events. 7914/19433 cut-off events. For 2087932/2198619 co-relation queries the response was YES. Maximal size of possible extension queue 1880. Compared 232484 event pairs, 2057 based on Foata normal form. 914/18572 useless extension candidates. Maximal degree in co-relation 268856. Up to 7880 conditions per place. [2021-03-26 11:58:03,254 INFO L142 LiptonReduction]: Number of co-enabled transitions 13620 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown