/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-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe032_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-29 00:42:39,001 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-29 00:42:39,005 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-29 00:42:39,065 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-04-29 00:42:39,169 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-29 00:42:39,171 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-29 00:42:39,171 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-29 00:42:39,173 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-RepeatedSemanticLbeWithPredicates.epf [2021-04-29 00:42:39,229 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-29 00:42:39,229 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-29 00:42:39,231 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-29 00:42:39,231 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-29 00:42:39,231 INFO L138 SettingsManager]: * Use SBE=true [2021-04-29 00:42:39,231 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-29 00:42:39,232 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-29 00:42:39,232 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-29 00:42:39,232 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-29 00:42:39,232 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-29 00:42:39,233 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-29 00:42:39,233 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-29 00:42:39,233 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-29 00:42:39,233 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-29 00:42:39,233 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-29 00:42:39,234 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-29 00:42:39,234 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-29 00:42:39,234 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-29 00:42:39,234 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-29 00:42:39,234 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-29 00:42:39,235 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-29 00:42:39,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-29 00:42:39,235 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-29 00:42:39,235 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-29 00:42:39,236 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-29 00:42:39,236 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-29 00:42:39,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-29 00:42:39,236 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-29 00:42:39,237 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-29 00:42:39,237 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-29 00:42:39,237 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-29 00:42:39,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-29 00:42:39,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-29 00:42:39,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-29 00:42:39,764 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-29 00:42:39,765 INFO L275 PluginConnector]: CDTParser initialized [2021-04-29 00:42:39,767 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe032_pso.opt.i [2021-04-29 00:42:39,867 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e1e9eb05/de71a29f9c39445588a13d0750064664/FLAGf37a8d650 [2021-04-29 00:42:40,690 INFO L306 CDTParser]: Found 1 translation units. [2021-04-29 00:42:40,691 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe032_pso.opt.i [2021-04-29 00:42:40,721 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e1e9eb05/de71a29f9c39445588a13d0750064664/FLAGf37a8d650 [2021-04-29 00:42:40,899 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e1e9eb05/de71a29f9c39445588a13d0750064664 [2021-04-29 00:42:40,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-29 00:42:40,947 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-29 00:42:40,951 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-29 00:42:40,952 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-29 00:42:40,957 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-29 00:42:40,958 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 12:42:40" (1/1) ... [2021-04-29 00:42:40,961 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10f338ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:42:40, skipping insertion in model container [2021-04-29 00:42:40,962 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 12:42:40" (1/1) ... [2021-04-29 00:42:40,972 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-29 00:42:41,061 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-29 00:42:41,248 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-wmm/safe032_pso.opt.i[992,1005] [2021-04-29 00:42:41,736 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-29 00:42:41,755 INFO L203 MainTranslator]: Completed pre-run [2021-04-29 00:42:41,768 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-wmm/safe032_pso.opt.i[992,1005] [2021-04-29 00:42:41,829 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-29 00:42:41,994 INFO L208 MainTranslator]: Completed translation [2021-04-29 00:42:41,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:42:41 WrapperNode [2021-04-29 00:42:41,996 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-29 00:42:41,998 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-29 00:42:41,998 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-29 00:42:41,998 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-29 00:42:42,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:42:41" (1/1) ... [2021-04-29 00:42:42,041 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:42:41" (1/1) ... [2021-04-29 00:42:42,096 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-29 00:42:42,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-29 00:42:42,097 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-29 00:42:42,098 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-29 00:42:42,107 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:42:41" (1/1) ... [2021-04-29 00:42:42,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:42:41" (1/1) ... [2021-04-29 00:42:42,114 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:42:41" (1/1) ... [2021-04-29 00:42:42,115 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:42:41" (1/1) ... [2021-04-29 00:42:42,132 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:42:41" (1/1) ... [2021-04-29 00:42:42,139 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:42:41" (1/1) ... [2021-04-29 00:42:42,145 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:42:41" (1/1) ... [2021-04-29 00:42:42,153 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-29 00:42:42,154 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-29 00:42:42,154 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-29 00:42:42,155 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-29 00:42:42,156 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:42:41" (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 [2021-04-29 00:42:42,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-29 00:42:42,284 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-29 00:42:42,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-29 00:42:42,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-29 00:42:42,286 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-29 00:42:42,287 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-29 00:42:42,288 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-29 00:42:42,288 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-29 00:42:42,289 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-29 00:42:42,289 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-29 00:42:42,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-29 00:42:42,289 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-29 00:42:42,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-29 00:42:42,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-29 00:42:42,294 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-29 00:42:46,560 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-29 00:42:46,560 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-29 00:42:46,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 12:42:46 BoogieIcfgContainer [2021-04-29 00:42:46,564 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-29 00:42:46,566 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-29 00:42:46,566 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-29 00:42:46,570 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-29 00:42:46,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.04 12:42:40" (1/3) ... [2021-04-29 00:42:46,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1142cf08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 12:42:46, skipping insertion in model container [2021-04-29 00:42:46,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:42:41" (2/3) ... [2021-04-29 00:42:46,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1142cf08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 12:42:46, skipping insertion in model container [2021-04-29 00:42:46,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 12:42:46" (3/3) ... [2021-04-29 00:42:46,573 INFO L111 eAbstractionObserver]: Analyzing ICFG safe032_pso.opt.i [2021-04-29 00:42:46,582 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-29 00:42:46,589 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-29 00:42:46,590 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-29 00:42:46,650 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,650 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,650 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,651 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,651 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,651 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,651 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,651 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,652 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,652 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,652 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,652 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,652 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,653 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,653 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,653 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,653 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,653 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,653 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,654 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,654 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,654 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,654 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,654 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,654 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,655 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,655 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,655 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,655 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,655 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,655 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,656 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,656 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,656 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,656 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,656 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,656 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,657 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,657 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,657 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,657 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,657 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,658 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,658 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,658 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,658 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,661 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,661 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,661 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,661 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,661 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,661 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,662 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,662 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,662 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,662 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,662 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,662 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,663 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,663 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,663 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,663 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,663 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,663 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,663 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,664 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,664 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,664 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,664 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,664 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,664 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,665 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,665 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,665 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,665 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,665 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,665 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,666 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,666 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,666 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,666 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,666 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,667 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,667 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,669 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,670 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,670 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,670 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,671 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,671 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,671 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,671 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,671 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,671 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,672 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,672 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,672 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,672 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,673 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,673 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,673 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,673 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,673 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,674 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,674 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,674 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,674 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,675 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,675 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,675 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,676 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,676 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,676 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,676 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,676 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,676 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,676 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,677 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,677 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,677 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,677 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,677 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,677 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,677 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,678 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,678 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,678 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,678 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,678 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,678 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,678 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,679 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,679 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,679 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,679 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,679 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,679 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,679 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,680 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,680 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,680 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,680 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,680 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,680 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,680 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,681 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,681 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,681 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,683 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,683 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,684 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,684 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,684 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,684 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,684 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,685 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,685 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,685 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,685 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,685 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,685 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,685 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,686 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,686 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,686 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,686 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,686 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,686 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,687 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,687 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,687 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,687 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,687 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,687 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,688 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,688 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,688 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,688 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,688 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,688 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,688 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,689 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,689 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,689 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,689 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,689 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,692 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,692 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,692 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,693 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,693 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,693 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,693 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,694 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,694 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,694 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,694 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,694 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,694 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,695 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,695 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,695 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,696 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,696 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,696 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,696 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,697 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,697 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,697 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,697 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,697 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,698 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,698 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,698 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,698 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,699 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,699 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,699 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,699 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,700 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,700 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,700 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,700 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,700 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,701 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,701 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,701 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,701 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,702 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,702 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,702 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,702 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,702 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,702 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,703 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,703 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,704 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,704 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,706 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,707 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,707 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,707 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,707 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,708 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,708 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,708 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,708 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,708 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,709 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,709 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,709 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,709 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,709 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,710 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,710 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,710 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,710 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,710 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,711 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,711 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,711 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,711 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,711 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,711 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,712 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,715 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,715 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,715 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,716 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,716 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,718 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,718 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,719 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,719 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,719 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,719 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,720 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,720 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,720 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,720 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,720 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,720 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,721 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,721 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,723 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,723 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,723 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,723 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,724 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,724 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,724 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,724 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,724 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,725 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,725 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,725 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,725 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,725 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,729 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,730 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,730 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,730 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,730 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,731 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,731 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,731 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,731 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,731 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,731 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,731 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:42:46,733 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-29 00:42:46,765 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-04-29 00:42:46,813 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-29 00:42:46,814 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-29 00:42:46,814 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-29 00:42:46,814 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-29 00:42:46,814 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-29 00:42:46,814 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-29 00:42:46,814 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-29 00:42:46,814 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-29 00:42:46,841 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 97 transitions, 209 flow [2021-04-29 00:42:46,922 INFO L129 PetriNetUnfolder]: 2/94 cut-off events. [2021-04-29 00:42:46,922 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:42:46,946 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 94 events. 2/94 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 69 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. [2021-04-29 00:42:46,946 INFO L82 GeneralOperation]: Start removeDead. Operand has 105 places, 97 transitions, 209 flow [2021-04-29 00:42:46,957 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 102 places, 94 transitions, 197 flow [2021-04-29 00:42:46,960 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:42:46,980 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 102 places, 94 transitions, 197 flow [2021-04-29 00:42:46,985 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 102 places, 94 transitions, 197 flow [2021-04-29 00:42:46,991 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 102 places, 94 transitions, 197 flow [2021-04-29 00:42:47,035 INFO L129 PetriNetUnfolder]: 2/94 cut-off events. [2021-04-29 00:42:47,035 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:42:47,036 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 94 events. 2/94 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 72 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. [2021-04-29 00:42:47,040 INFO L146 LiptonReduction]: Number of co-enabled transitions 1668 [2021-04-29 00:42:48,646 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-29 00:42:50,440 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-29 00:42:50,570 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-29 00:42:51,184 WARN L205 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-04-29 00:42:51,412 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-29 00:42:52,794 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-04-29 00:42:53,386 WARN L205 SmtUtils]: Spent 588.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-04-29 00:42:55,925 WARN L205 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 312 DAG size of output: 267 [2021-04-29 00:42:57,084 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 264 [2021-04-29 00:42:58,390 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-04-29 00:42:59,001 WARN L205 SmtUtils]: Spent 609.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-04-29 00:43:01,683 WARN L205 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-04-29 00:43:02,939 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-29 00:43:05,919 WARN L205 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-04-29 00:43:06,618 WARN L205 SmtUtils]: Spent 697.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-04-29 00:43:07,973 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 268 [2021-04-29 00:43:09,335 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 268 [2021-04-29 00:43:10,033 WARN L205 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-29 00:43:10,706 WARN L205 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-29 00:43:12,052 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-29 00:43:13,414 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-29 00:43:14,824 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 189 DAG size of output: 188 [2021-04-29 00:43:15,549 WARN L205 SmtUtils]: Spent 722.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-29 00:43:16,979 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 268 [2021-04-29 00:43:18,450 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 268 [2021-04-29 00:43:19,939 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 188 DAG size of output: 187 [2021-04-29 00:43:20,693 WARN L205 SmtUtils]: Spent 749.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-29 00:43:22,231 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-29 00:43:23,777 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-29 00:43:24,551 WARN L205 SmtUtils]: Spent 769.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-04-29 00:43:25,341 WARN L205 SmtUtils]: Spent 788.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-04-29 00:43:26,823 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 269 [2021-04-29 00:43:28,409 WARN L205 SmtUtils]: Spent 1.58 s on a formula simplification that was a NOOP. DAG size: 269 [2021-04-29 00:43:33,225 WARN L205 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 188 DAG size of output: 187 [2021-04-29 00:43:34,060 WARN L205 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-29 00:43:35,718 WARN L205 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-29 00:43:37,334 WARN L205 SmtUtils]: Spent 1.61 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-29 00:43:38,160 WARN L205 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-04-29 00:43:39,019 WARN L205 SmtUtils]: Spent 857.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-04-29 00:43:42,360 WARN L205 SmtUtils]: Spent 3.34 s on a formula simplification. DAG size of input: 268 DAG size of output: 267 [2021-04-29 00:43:44,169 WARN L205 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-29 00:43:47,968 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-29 00:43:48,168 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-29 00:43:53,063 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-29 00:43:53,182 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-29 00:43:53,289 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-29 00:43:53,397 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-29 00:43:56,115 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-29 00:43:56,249 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-29 00:43:56,379 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-29 00:43:56,516 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-29 00:43:56,709 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-29 00:43:56,895 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-29 00:43:57,082 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-29 00:43:57,262 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-29 00:43:57,486 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:43:57,609 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:43:57,727 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:43:57,891 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:43:58,037 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:43:58,187 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:43:58,338 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:43:58,453 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-29 00:43:58,580 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-29 00:43:58,695 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-29 00:43:58,804 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-29 00:43:58,967 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 00:43:59,121 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 00:43:59,274 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 00:43:59,431 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 00:43:59,546 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-29 00:43:59,664 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-29 00:43:59,791 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-29 00:43:59,904 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-29 00:44:00,067 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-29 00:44:00,247 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-29 00:44:00,420 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-29 00:44:00,595 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-29 00:44:00,797 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-29 00:44:00,904 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-29 00:44:01,007 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-29 00:44:01,498 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 00:44:01,633 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 00:44:01,770 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 00:44:01,909 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 00:44:02,046 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 00:44:02,184 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 00:44:02,318 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 00:44:02,457 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 00:44:02,613 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-29 00:44:02,756 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-29 00:44:02,909 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-29 00:44:03,064 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-29 00:44:03,208 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 00:44:03,359 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 00:44:03,507 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 00:44:03,633 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 00:44:03,756 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-29 00:44:03,876 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-29 00:44:03,991 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-29 00:44:04,114 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-29 00:44:04,291 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-04-29 00:44:04,453 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-04-29 00:44:04,605 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-04-29 00:44:04,757 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-04-29 00:44:05,583 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-29 00:44:07,539 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-04-29 00:44:07,703 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-04-29 00:44:07,861 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-04-29 00:44:08,019 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-04-29 00:44:08,587 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 00:44:08,800 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 00:44:08,993 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 00:44:09,174 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 00:44:09,293 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-29 00:44:09,412 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-29 00:44:09,540 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-29 00:44:09,661 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-29 00:44:09,805 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 00:44:09,942 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 00:44:10,084 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 00:44:10,226 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 00:44:10,393 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 00:44:10,553 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 00:44:10,721 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 00:44:10,886 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 00:44:11,119 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 00:44:11,335 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 00:44:11,549 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 00:44:11,771 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 00:44:11,965 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 00:44:12,160 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 00:44:12,352 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 00:44:12,546 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 00:44:12,745 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 00:44:12,933 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 00:44:13,135 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 00:44:13,337 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 00:44:13,473 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-29 00:44:13,589 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-29 00:44:13,712 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-29 00:44:13,833 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-29 00:44:14,062 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:44:14,279 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:44:14,501 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:44:14,733 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:44:14,944 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:44:15,158 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:44:15,365 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:44:15,574 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:44:16,142 WARN L205 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2021-04-29 00:44:16,419 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-04-29 00:44:16,972 WARN L205 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2021-04-29 00:44:17,229 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-04-29 00:44:17,436 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:44:17,644 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:44:17,867 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:44:18,073 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:44:18,290 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:44:18,507 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:44:18,723 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:44:18,934 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:44:19,127 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 00:44:19,323 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 00:44:19,528 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 00:44:19,728 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 00:44:19,927 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 00:44:20,111 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 00:44:20,296 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 00:44:20,485 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 00:44:20,691 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 00:44:20,910 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 00:44:21,122 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 00:44:21,343 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 00:44:21,559 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:44:21,780 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:44:22,026 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:44:22,269 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:44:22,944 WARN L205 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2021-04-29 00:44:23,263 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-29 00:44:23,912 WARN L205 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2021-04-29 00:44:24,226 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-29 00:44:24,278 INFO L158 LiptonReduction]: Checked pairs total: 15353 [2021-04-29 00:44:24,278 INFO L160 LiptonReduction]: Total number of compositions: 228 [2021-04-29 00:44:24,288 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 97330 [2021-04-29 00:44:24,339 INFO L129 PetriNetUnfolder]: 1/80 cut-off events. [2021-04-29 00:44:24,339 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:44:24,339 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:44:24,340 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:44:24,341 INFO L428 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:44:24,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:44:24,350 INFO L82 PathProgramCache]: Analyzing trace with hash 911075325, now seen corresponding path program 1 times [2021-04-29 00:44:24,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:44:24,361 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73433437] [2021-04-29 00:44:24,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:44:24,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:44:24,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:24,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:44:24,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:44:24,770 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73433437] [2021-04-29 00:44:24,771 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:44:24,771 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-29 00:44:24,771 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494626886] [2021-04-29 00:44:24,781 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 00:44:24,781 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:44:24,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 00:44:24,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 00:44:24,801 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 239 out of 325 [2021-04-29 00:44:24,806 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 118 transitions, 245 flow. Second operand has 3 states, 3 states have (on average 239.66666666666666) internal successors, (719), 3 states have internal predecessors, (719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:24,806 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:44:24,806 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 239 of 325 [2021-04-29 00:44:24,808 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:44:25,510 INFO L129 PetriNetUnfolder]: 575/1231 cut-off events. [2021-04-29 00:44:25,510 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:44:25,515 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2141 conditions, 1231 events. 575/1231 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 8496 event pairs, 219 based on Foata normal form. 23/723 useless extension candidates. Maximal degree in co-relation 2068. Up to 661 conditions per place. [2021-04-29 00:44:25,521 INFO L132 encePairwiseOnDemand]: 306/325 looper letters, 13 selfloop transitions, 2 changer transitions 82/129 dead transitions. [2021-04-29 00:44:25,521 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 129 transitions, 361 flow [2021-04-29 00:44:25,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 00:44:25,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 00:44:25,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 771 transitions. [2021-04-29 00:44:25,543 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7907692307692308 [2021-04-29 00:44:25,544 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 771 transitions. [2021-04-29 00:44:25,544 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 771 transitions. [2021-04-29 00:44:25,548 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:44:25,550 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 771 transitions. [2021-04-29 00:44:25,558 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 257.0) internal successors, (771), 3 states have internal predecessors, (771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:25,573 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 325.0) internal successors, (1300), 4 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:25,575 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 325.0) internal successors, (1300), 4 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:25,577 INFO L185 Difference]: Start difference. First operand has 126 places, 118 transitions, 245 flow. Second operand 3 states and 771 transitions. [2021-04-29 00:44:25,578 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 129 transitions, 361 flow [2021-04-29 00:44:25,581 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 129 transitions, 358 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-04-29 00:44:25,585 INFO L241 Difference]: Finished difference. Result has 122 places, 41 transitions, 92 flow [2021-04-29 00:44:25,587 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=232, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=92, PETRI_PLACES=122, PETRI_TRANSITIONS=41} [2021-04-29 00:44:25,588 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -4 predicate places. [2021-04-29 00:44:25,589 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:44:25,589 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 122 places, 41 transitions, 92 flow [2021-04-29 00:44:25,589 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 122 places, 41 transitions, 92 flow [2021-04-29 00:44:25,590 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 41 transitions, 92 flow [2021-04-29 00:44:25,598 INFO L129 PetriNetUnfolder]: 0/41 cut-off events. [2021-04-29 00:44:25,598 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:44:25,598 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51 conditions, 41 events. 0/41 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 127 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-29 00:44:25,599 INFO L146 LiptonReduction]: Number of co-enabled transitions 932 [2021-04-29 00:44:25,754 INFO L158 LiptonReduction]: Checked pairs total: 904 [2021-04-29 00:44:25,754 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:44:25,755 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 166 [2021-04-29 00:44:25,757 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 41 transitions, 92 flow [2021-04-29 00:44:25,758 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 239.66666666666666) internal successors, (719), 3 states have internal predecessors, (719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:25,758 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:44:25,758 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:44:25,758 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-29 00:44:25,759 INFO L428 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:44:25,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:44:25,759 INFO L82 PathProgramCache]: Analyzing trace with hash -629871503, now seen corresponding path program 1 times [2021-04-29 00:44:25,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:44:25,760 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031747160] [2021-04-29 00:44:25,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:44:25,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:44:25,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:25,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:44:25,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:44:25,868 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031747160] [2021-04-29 00:44:25,868 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:44:25,868 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-29 00:44:25,868 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572307652] [2021-04-29 00:44:25,870 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 00:44:25,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:44:25,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 00:44:25,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 00:44:25,873 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 225 out of 325 [2021-04-29 00:44:25,874 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 41 transitions, 92 flow. Second operand has 3 states, 3 states have (on average 225.66666666666666) internal successors, (677), 3 states have internal predecessors, (677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:25,875 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:44:25,875 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 225 of 325 [2021-04-29 00:44:25,875 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:44:25,898 INFO L129 PetriNetUnfolder]: 0/41 cut-off events. [2021-04-29 00:44:25,898 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:44:25,899 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55 conditions, 41 events. 0/41 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 136 event pairs, 0 based on Foata normal form. 1/23 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-29 00:44:25,899 INFO L132 encePairwiseOnDemand]: 322/325 looper letters, 1 selfloop transitions, 2 changer transitions 12/41 dead transitions. [2021-04-29 00:44:25,899 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 41 transitions, 98 flow [2021-04-29 00:44:25,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 00:44:25,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 00:44:25,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 679 transitions. [2021-04-29 00:44:25,904 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6964102564102564 [2021-04-29 00:44:25,905 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 679 transitions. [2021-04-29 00:44:25,905 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 679 transitions. [2021-04-29 00:44:25,906 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:44:25,906 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 679 transitions. [2021-04-29 00:44:25,908 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 226.33333333333334) internal successors, (679), 3 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:25,912 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 325.0) internal successors, (1300), 4 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:25,914 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 325.0) internal successors, (1300), 4 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:25,914 INFO L185 Difference]: Start difference. First operand has 50 places, 41 transitions, 92 flow. Second operand 3 states and 679 transitions. [2021-04-29 00:44:25,914 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 41 transitions, 98 flow [2021-04-29 00:44:25,915 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 41 transitions, 94 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-29 00:44:25,916 INFO L241 Difference]: Finished difference. Result has 51 places, 29 transitions, 72 flow [2021-04-29 00:44:25,916 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=72, PETRI_PLACES=51, PETRI_TRANSITIONS=29} [2021-04-29 00:44:25,917 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -75 predicate places. [2021-04-29 00:44:25,917 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:44:25,917 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 29 transitions, 72 flow [2021-04-29 00:44:25,918 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 29 transitions, 72 flow [2021-04-29 00:44:25,918 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 29 transitions, 72 flow [2021-04-29 00:44:25,925 INFO L129 PetriNetUnfolder]: 0/29 cut-off events. [2021-04-29 00:44:25,925 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:44:25,925 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 29 events. 0/29 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 57 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-29 00:44:25,926 INFO L146 LiptonReduction]: Number of co-enabled transitions 456 [2021-04-29 00:44:26,362 INFO L158 LiptonReduction]: Checked pairs total: 564 [2021-04-29 00:44:26,362 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:44:26,362 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 445 [2021-04-29 00:44:26,363 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 29 transitions, 72 flow [2021-04-29 00:44:26,364 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 225.66666666666666) internal successors, (677), 3 states have internal predecessors, (677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:26,365 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:44:26,365 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:44:26,365 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-29 00:44:26,365 INFO L428 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:44:26,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:44:26,366 INFO L82 PathProgramCache]: Analyzing trace with hash -671828733, now seen corresponding path program 1 times [2021-04-29 00:44:26,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:44:26,366 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699372049] [2021-04-29 00:44:26,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:44:26,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:44:26,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:26,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:44:26,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:44:26,503 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699372049] [2021-04-29 00:44:26,503 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:44:26,503 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-29 00:44:26,503 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657445630] [2021-04-29 00:44:26,504 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 00:44:26,504 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:44:26,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 00:44:26,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 00:44:26,506 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 325 [2021-04-29 00:44:26,508 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 29 transitions, 72 flow. Second operand has 3 states, 3 states have (on average 261.6666666666667) internal successors, (785), 3 states have internal predecessors, (785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:26,508 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:44:26,508 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 325 [2021-04-29 00:44:26,508 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:44:26,532 INFO L129 PetriNetUnfolder]: 3/43 cut-off events. [2021-04-29 00:44:26,533 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-04-29 00:44:26,533 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 43 events. 3/43 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 114 event pairs, 1 based on Foata normal form. 1/32 useless extension candidates. Maximal degree in co-relation 59. Up to 10 conditions per place. [2021-04-29 00:44:26,534 INFO L132 encePairwiseOnDemand]: 321/325 looper letters, 3 selfloop transitions, 3 changer transitions 0/31 dead transitions. [2021-04-29 00:44:26,534 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 31 transitions, 88 flow [2021-04-29 00:44:26,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 00:44:26,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 00:44:26,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 790 transitions. [2021-04-29 00:44:26,538 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8102564102564103 [2021-04-29 00:44:26,539 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 790 transitions. [2021-04-29 00:44:26,539 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 790 transitions. [2021-04-29 00:44:26,540 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:44:26,540 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 790 transitions. [2021-04-29 00:44:26,542 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 263.3333333333333) internal successors, (790), 3 states have internal predecessors, (790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:26,546 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 325.0) internal successors, (1300), 4 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:26,547 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 325.0) internal successors, (1300), 4 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:26,547 INFO L185 Difference]: Start difference. First operand has 39 places, 29 transitions, 72 flow. Second operand 3 states and 790 transitions. [2021-04-29 00:44:26,547 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 31 transitions, 88 flow [2021-04-29 00:44:26,549 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 31 transitions, 84 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-29 00:44:26,550 INFO L241 Difference]: Finished difference. Result has 40 places, 31 transitions, 87 flow [2021-04-29 00:44:26,550 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=87, PETRI_PLACES=40, PETRI_TRANSITIONS=31} [2021-04-29 00:44:26,550 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -86 predicate places. [2021-04-29 00:44:26,550 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:44:26,551 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 31 transitions, 87 flow [2021-04-29 00:44:26,552 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 31 transitions, 87 flow [2021-04-29 00:44:26,552 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 31 transitions, 87 flow [2021-04-29 00:44:26,573 INFO L129 PetriNetUnfolder]: 3/43 cut-off events. [2021-04-29 00:44:26,573 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-04-29 00:44:26,574 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 43 events. 3/43 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 110 event pairs, 1 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 60. Up to 10 conditions per place. [2021-04-29 00:44:26,575 INFO L146 LiptonReduction]: Number of co-enabled transitions 486 [2021-04-29 00:44:26,672 INFO L158 LiptonReduction]: Checked pairs total: 516 [2021-04-29 00:44:26,672 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:44:26,672 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 122 [2021-04-29 00:44:26,674 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 31 transitions, 87 flow [2021-04-29 00:44:26,675 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 261.6666666666667) internal successors, (785), 3 states have internal predecessors, (785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:26,675 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:44:26,675 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:44:26,675 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-29 00:44:26,675 INFO L428 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:44:26,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:44:26,676 INFO L82 PathProgramCache]: Analyzing trace with hash -2105878562, now seen corresponding path program 1 times [2021-04-29 00:44:26,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:44:26,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636226251] [2021-04-29 00:44:26,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:44:26,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:44:26,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:26,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:44:26,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:26,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:44:26,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:26,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 00:44:26,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:26,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 00:44:26,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:26,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 00:44:26,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:44:26,956 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636226251] [2021-04-29 00:44:26,956 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:44:26,956 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-29 00:44:26,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379789673] [2021-04-29 00:44:26,957 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 00:44:26,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:44:26,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 00:44:26,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-04-29 00:44:26,960 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 325 [2021-04-29 00:44:26,962 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 31 transitions, 87 flow. Second operand has 6 states, 6 states have (on average 173.0) internal successors, (1038), 6 states have internal predecessors, (1038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:26,962 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:44:26,962 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 325 [2021-04-29 00:44:26,963 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:44:27,464 INFO L129 PetriNetUnfolder]: 192/486 cut-off events. [2021-04-29 00:44:27,464 INFO L130 PetriNetUnfolder]: For 96/97 co-relation queries the response was YES. [2021-04-29 00:44:27,466 INFO L84 FinitePrefix]: Finished finitePrefix Result has 907 conditions, 486 events. 192/486 cut-off events. For 96/97 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 3132 event pairs, 4 based on Foata normal form. 22/407 useless extension candidates. Maximal degree in co-relation 896. Up to 202 conditions per place. [2021-04-29 00:44:27,470 INFO L132 encePairwiseOnDemand]: 316/325 looper letters, 21 selfloop transitions, 19 changer transitions 0/61 dead transitions. [2021-04-29 00:44:27,470 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 61 transitions, 234 flow [2021-04-29 00:44:27,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 00:44:27,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 00:44:27,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1420 transitions. [2021-04-29 00:44:27,478 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5461538461538461 [2021-04-29 00:44:27,478 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1420 transitions. [2021-04-29 00:44:27,478 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1420 transitions. [2021-04-29 00:44:27,480 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:44:27,480 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1420 transitions. [2021-04-29 00:44:27,485 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 177.5) internal successors, (1420), 8 states have internal predecessors, (1420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:27,491 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 325.0) internal successors, (2925), 9 states have internal predecessors, (2925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:27,494 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 325.0) internal successors, (2925), 9 states have internal predecessors, (2925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:27,494 INFO L185 Difference]: Start difference. First operand has 40 places, 31 transitions, 87 flow. Second operand 8 states and 1420 transitions. [2021-04-29 00:44:27,494 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 61 transitions, 234 flow [2021-04-29 00:44:27,495 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 61 transitions, 231 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-29 00:44:27,497 INFO L241 Difference]: Finished difference. Result has 52 places, 48 transitions, 215 flow [2021-04-29 00:44:27,497 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=215, PETRI_PLACES=52, PETRI_TRANSITIONS=48} [2021-04-29 00:44:27,498 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -74 predicate places. [2021-04-29 00:44:27,498 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:44:27,498 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 48 transitions, 215 flow [2021-04-29 00:44:27,498 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 48 transitions, 215 flow [2021-04-29 00:44:27,499 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 48 transitions, 215 flow [2021-04-29 00:44:27,545 INFO L129 PetriNetUnfolder]: 55/212 cut-off events. [2021-04-29 00:44:27,545 INFO L130 PetriNetUnfolder]: For 263/277 co-relation queries the response was YES. [2021-04-29 00:44:27,546 INFO L84 FinitePrefix]: Finished finitePrefix Result has 542 conditions, 212 events. 55/212 cut-off events. For 263/277 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 1268 event pairs, 11 based on Foata normal form. 3/161 useless extension candidates. Maximal degree in co-relation 526. Up to 65 conditions per place. [2021-04-29 00:44:27,550 INFO L146 LiptonReduction]: Number of co-enabled transitions 742 [2021-04-29 00:44:28,090 INFO L158 LiptonReduction]: Checked pairs total: 117 [2021-04-29 00:44:28,091 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:44:28,091 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 593 [2021-04-29 00:44:28,093 INFO L480 AbstractCegarLoop]: Abstraction has has 52 places, 48 transitions, 215 flow [2021-04-29 00:44:28,094 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 173.0) internal successors, (1038), 6 states have internal predecessors, (1038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:28,094 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:44:28,094 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:44:28,095 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-29 00:44:28,095 INFO L428 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:44:28,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:44:28,095 INFO L82 PathProgramCache]: Analyzing trace with hash -1271918816, now seen corresponding path program 1 times [2021-04-29 00:44:28,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:44:28,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929015134] [2021-04-29 00:44:28,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:44:28,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:44:28,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:28,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:44:28,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:28,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 00:44:28,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:28,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 00:44:28,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:28,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 00:44:28,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:28,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 00:44:28,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:28,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 00:44:28,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:44:28,458 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929015134] [2021-04-29 00:44:28,459 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:44:28,459 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 00:44:28,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094012460] [2021-04-29 00:44:28,459 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 00:44:28,460 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:44:28,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 00:44:28,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-04-29 00:44:28,463 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 325 [2021-04-29 00:44:28,465 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 48 transitions, 215 flow. Second operand has 7 states, 7 states have (on average 165.0) internal successors, (1155), 7 states have internal predecessors, (1155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:28,465 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:44:28,465 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 325 [2021-04-29 00:44:28,465 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:44:28,887 INFO L129 PetriNetUnfolder]: 215/579 cut-off events. [2021-04-29 00:44:28,887 INFO L130 PetriNetUnfolder]: For 632/657 co-relation queries the response was YES. [2021-04-29 00:44:28,890 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1559 conditions, 579 events. 215/579 cut-off events. For 632/657 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 4090 event pairs, 8 based on Foata normal form. 28/475 useless extension candidates. Maximal degree in co-relation 1541. Up to 206 conditions per place. [2021-04-29 00:44:28,895 INFO L132 encePairwiseOnDemand]: 316/325 looper letters, 19 selfloop transitions, 30 changer transitions 0/70 dead transitions. [2021-04-29 00:44:28,895 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 70 transitions, 420 flow [2021-04-29 00:44:28,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 00:44:28,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 00:44:28,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1189 transitions. [2021-04-29 00:44:28,901 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5226373626373626 [2021-04-29 00:44:28,901 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1189 transitions. [2021-04-29 00:44:28,902 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1189 transitions. [2021-04-29 00:44:28,903 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:44:28,903 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1189 transitions. [2021-04-29 00:44:28,907 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 169.85714285714286) internal successors, (1189), 7 states have internal predecessors, (1189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:28,912 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 325.0) internal successors, (2600), 8 states have internal predecessors, (2600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:28,913 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 325.0) internal successors, (2600), 8 states have internal predecessors, (2600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:28,914 INFO L185 Difference]: Start difference. First operand has 52 places, 48 transitions, 215 flow. Second operand 7 states and 1189 transitions. [2021-04-29 00:44:28,914 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 70 transitions, 420 flow [2021-04-29 00:44:28,919 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 70 transitions, 420 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-29 00:44:28,921 INFO L241 Difference]: Finished difference. Result has 62 places, 62 transitions, 415 flow [2021-04-29 00:44:28,921 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=215, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=415, PETRI_PLACES=62, PETRI_TRANSITIONS=62} [2021-04-29 00:44:28,922 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -64 predicate places. [2021-04-29 00:44:28,922 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:44:28,922 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 62 transitions, 415 flow [2021-04-29 00:44:28,922 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 62 transitions, 415 flow [2021-04-29 00:44:28,923 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 62 transitions, 415 flow [2021-04-29 00:44:28,987 INFO L129 PetriNetUnfolder]: 76/288 cut-off events. [2021-04-29 00:44:28,987 INFO L130 PetriNetUnfolder]: For 663/700 co-relation queries the response was YES. [2021-04-29 00:44:28,989 INFO L84 FinitePrefix]: Finished finitePrefix Result has 893 conditions, 288 events. 76/288 cut-off events. For 663/700 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 1885 event pairs, 14 based on Foata normal form. 5/211 useless extension candidates. Maximal degree in co-relation 871. Up to 72 conditions per place. [2021-04-29 00:44:28,995 INFO L146 LiptonReduction]: Number of co-enabled transitions 900 [2021-04-29 00:44:29,671 INFO L158 LiptonReduction]: Checked pairs total: 159 [2021-04-29 00:44:29,671 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:44:29,671 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 749 [2021-04-29 00:44:29,672 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 62 transitions, 415 flow [2021-04-29 00:44:29,673 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 165.0) internal successors, (1155), 7 states have internal predecessors, (1155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:29,673 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:44:29,673 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:44:29,673 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-29 00:44:29,674 INFO L428 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:44:29,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:44:29,674 INFO L82 PathProgramCache]: Analyzing trace with hash -1051346181, now seen corresponding path program 1 times [2021-04-29 00:44:29,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:44:29,674 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357388271] [2021-04-29 00:44:29,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:44:29,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:44:29,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:29,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:44:29,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:29,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 00:44:29,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:29,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 00:44:29,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:29,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 00:44:29,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:29,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 00:44:29,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:29,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 00:44:29,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:44:29,975 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357388271] [2021-04-29 00:44:29,975 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:44:29,975 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 00:44:29,975 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295142220] [2021-04-29 00:44:29,976 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 00:44:29,976 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:44:29,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 00:44:29,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-04-29 00:44:29,979 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 325 [2021-04-29 00:44:29,981 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 62 transitions, 415 flow. Second operand has 8 states, 8 states have (on average 166.875) internal successors, (1335), 8 states have internal predecessors, (1335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:29,981 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:44:29,981 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 325 [2021-04-29 00:44:29,981 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:44:30,588 INFO L129 PetriNetUnfolder]: 209/564 cut-off events. [2021-04-29 00:44:30,589 INFO L130 PetriNetUnfolder]: For 1105/1127 co-relation queries the response was YES. [2021-04-29 00:44:30,592 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1947 conditions, 564 events. 209/564 cut-off events. For 1105/1127 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 3931 event pairs, 27 based on Foata normal form. 11/434 useless extension candidates. Maximal degree in co-relation 1923. Up to 195 conditions per place. [2021-04-29 00:44:30,597 INFO L132 encePairwiseOnDemand]: 318/325 looper letters, 35 selfloop transitions, 18 changer transitions 0/74 dead transitions. [2021-04-29 00:44:30,597 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 74 transitions, 601 flow [2021-04-29 00:44:30,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 00:44:30,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 00:44:30,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 858 transitions. [2021-04-29 00:44:30,603 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.528 [2021-04-29 00:44:30,603 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 858 transitions. [2021-04-29 00:44:30,603 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 858 transitions. [2021-04-29 00:44:30,604 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:44:30,604 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 858 transitions. [2021-04-29 00:44:30,607 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 171.6) internal successors, (858), 5 states have internal predecessors, (858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:30,611 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 325.0) internal successors, (1950), 6 states have internal predecessors, (1950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:30,611 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 325.0) internal successors, (1950), 6 states have internal predecessors, (1950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:30,612 INFO L185 Difference]: Start difference. First operand has 62 places, 62 transitions, 415 flow. Second operand 5 states and 858 transitions. [2021-04-29 00:44:30,612 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 74 transitions, 601 flow [2021-04-29 00:44:30,620 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 74 transitions, 566 flow, removed 14 selfloop flow, removed 2 redundant places. [2021-04-29 00:44:30,623 INFO L241 Difference]: Finished difference. Result has 65 places, 65 transitions, 456 flow [2021-04-29 00:44:30,623 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=382, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=456, PETRI_PLACES=65, PETRI_TRANSITIONS=65} [2021-04-29 00:44:30,623 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -61 predicate places. [2021-04-29 00:44:30,623 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:44:30,624 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 65 transitions, 456 flow [2021-04-29 00:44:30,624 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 65 transitions, 456 flow [2021-04-29 00:44:30,625 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 65 transitions, 456 flow [2021-04-29 00:44:30,690 INFO L129 PetriNetUnfolder]: 78/273 cut-off events. [2021-04-29 00:44:30,690 INFO L130 PetriNetUnfolder]: For 1026/1070 co-relation queries the response was YES. [2021-04-29 00:44:30,692 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1002 conditions, 273 events. 78/273 cut-off events. For 1026/1070 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 1769 event pairs, 8 based on Foata normal form. 4/208 useless extension candidates. Maximal degree in co-relation 978. Up to 70 conditions per place. [2021-04-29 00:44:30,698 INFO L146 LiptonReduction]: Number of co-enabled transitions 938 [2021-04-29 00:44:31,236 INFO L158 LiptonReduction]: Checked pairs total: 168 [2021-04-29 00:44:31,236 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:44:31,237 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 614 [2021-04-29 00:44:31,238 INFO L480 AbstractCegarLoop]: Abstraction has has 65 places, 65 transitions, 456 flow [2021-04-29 00:44:31,238 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 166.875) internal successors, (1335), 8 states have internal predecessors, (1335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:31,239 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:44:31,239 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:44:31,239 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-29 00:44:31,239 INFO L428 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:44:31,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:44:31,240 INFO L82 PathProgramCache]: Analyzing trace with hash -1636893789, now seen corresponding path program 1 times [2021-04-29 00:44:31,240 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:44:31,240 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104608872] [2021-04-29 00:44:31,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:44:31,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:44:31,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:31,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 00:44:31,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:31,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:44:31,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:31,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:44:31,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:31,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 00:44:31,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:31,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 00:44:31,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:44:31,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104608872] [2021-04-29 00:44:31,484 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:44:31,484 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-29 00:44:31,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694298640] [2021-04-29 00:44:31,484 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 00:44:31,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:44:31,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 00:44:31,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-29 00:44:31,488 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 325 [2021-04-29 00:44:31,489 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 65 transitions, 456 flow. Second operand has 6 states, 6 states have (on average 171.33333333333334) internal successors, (1028), 6 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:31,489 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:44:31,489 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 325 [2021-04-29 00:44:31,490 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:44:31,910 INFO L129 PetriNetUnfolder]: 247/701 cut-off events. [2021-04-29 00:44:31,911 INFO L130 PetriNetUnfolder]: For 1801/1835 co-relation queries the response was YES. [2021-04-29 00:44:31,915 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2583 conditions, 701 events. 247/701 cut-off events. For 1801/1835 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 5337 event pairs, 58 based on Foata normal form. 16/562 useless extension candidates. Maximal degree in co-relation 2557. Up to 316 conditions per place. [2021-04-29 00:44:31,922 INFO L132 encePairwiseOnDemand]: 317/325 looper letters, 36 selfloop transitions, 33 changer transitions 0/90 dead transitions. [2021-04-29 00:44:31,922 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 90 transitions, 807 flow [2021-04-29 00:44:31,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 00:44:31,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 00:44:31,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 874 transitions. [2021-04-29 00:44:31,928 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5378461538461539 [2021-04-29 00:44:31,928 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 874 transitions. [2021-04-29 00:44:31,928 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 874 transitions. [2021-04-29 00:44:31,929 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:44:31,929 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 874 transitions. [2021-04-29 00:44:31,932 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 174.8) internal successors, (874), 5 states have internal predecessors, (874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:31,935 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 325.0) internal successors, (1950), 6 states have internal predecessors, (1950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:31,936 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 325.0) internal successors, (1950), 6 states have internal predecessors, (1950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:31,936 INFO L185 Difference]: Start difference. First operand has 65 places, 65 transitions, 456 flow. Second operand 5 states and 874 transitions. [2021-04-29 00:44:31,936 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 90 transitions, 807 flow [2021-04-29 00:44:31,948 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 90 transitions, 764 flow, removed 1 selfloop flow, removed 4 redundant places. [2021-04-29 00:44:31,952 INFO L241 Difference]: Finished difference. Result has 68 places, 85 transitions, 757 flow [2021-04-29 00:44:31,952 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=424, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=757, PETRI_PLACES=68, PETRI_TRANSITIONS=85} [2021-04-29 00:44:31,952 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -58 predicate places. [2021-04-29 00:44:31,952 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:44:31,953 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 85 transitions, 757 flow [2021-04-29 00:44:31,953 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 85 transitions, 757 flow [2021-04-29 00:44:31,954 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 85 transitions, 757 flow [2021-04-29 00:44:32,061 INFO L129 PetriNetUnfolder]: 88/343 cut-off events. [2021-04-29 00:44:32,062 INFO L130 PetriNetUnfolder]: For 1508/1563 co-relation queries the response was YES. [2021-04-29 00:44:32,064 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1307 conditions, 343 events. 88/343 cut-off events. For 1508/1563 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 2400 event pairs, 3 based on Foata normal form. 10/266 useless extension candidates. Maximal degree in co-relation 1281. Up to 86 conditions per place. [2021-04-29 00:44:32,071 INFO L146 LiptonReduction]: Number of co-enabled transitions 1192 [2021-04-29 00:44:34,549 INFO L158 LiptonReduction]: Checked pairs total: 228 [2021-04-29 00:44:34,549 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:44:34,550 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2598 [2021-04-29 00:44:34,551 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 85 transitions, 757 flow [2021-04-29 00:44:34,551 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 171.33333333333334) internal successors, (1028), 6 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:34,551 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:44:34,552 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:44:34,552 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-29 00:44:34,552 INFO L428 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:44:34,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:44:34,552 INFO L82 PathProgramCache]: Analyzing trace with hash 442304247, now seen corresponding path program 2 times [2021-04-29 00:44:34,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:44:34,553 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839589304] [2021-04-29 00:44:34,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:44:34,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:44:34,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:34,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 00:44:34,745 INFO L142 QuantifierPusher]: treesize reduction 7, result has 72.0 percent of original size [2021-04-29 00:44:34,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 00:44:34,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:34,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 00:44:34,802 INFO L142 QuantifierPusher]: treesize reduction 32, result has 50.0 percent of original size [2021-04-29 00:44:34,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 00:44:34,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:34,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 00:44:34,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:44:34,947 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839589304] [2021-04-29 00:44:34,947 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:44:34,947 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 00:44:34,947 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185403500] [2021-04-29 00:44:34,948 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 00:44:34,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:44:34,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 00:44:34,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-04-29 00:44:34,950 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 325 [2021-04-29 00:44:34,952 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 85 transitions, 757 flow. Second operand has 7 states, 7 states have (on average 162.14285714285714) internal successors, (1135), 7 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:34,952 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:44:34,952 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 325 [2021-04-29 00:44:34,952 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:44:36,011 INFO L129 PetriNetUnfolder]: 304/886 cut-off events. [2021-04-29 00:44:36,011 INFO L130 PetriNetUnfolder]: For 3111/3144 co-relation queries the response was YES. [2021-04-29 00:44:36,018 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3677 conditions, 886 events. 304/886 cut-off events. For 3111/3144 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 7042 event pairs, 18 based on Foata normal form. 29/707 useless extension candidates. Maximal degree in co-relation 3649. Up to 341 conditions per place. [2021-04-29 00:44:36,028 INFO L132 encePairwiseOnDemand]: 315/325 looper letters, 75 selfloop transitions, 51 changer transitions 0/147 dead transitions. [2021-04-29 00:44:36,029 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 147 transitions, 1650 flow [2021-04-29 00:44:36,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 00:44:36,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 00:44:36,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1499 transitions. [2021-04-29 00:44:36,037 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5124786324786325 [2021-04-29 00:44:36,037 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1499 transitions. [2021-04-29 00:44:36,037 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1499 transitions. [2021-04-29 00:44:36,039 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:44:36,039 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1499 transitions. [2021-04-29 00:44:36,045 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 166.55555555555554) internal successors, (1499), 9 states have internal predecessors, (1499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:36,050 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 325.0) internal successors, (3250), 10 states have internal predecessors, (3250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:36,052 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 325.0) internal successors, (3250), 10 states have internal predecessors, (3250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:36,052 INFO L185 Difference]: Start difference. First operand has 68 places, 85 transitions, 757 flow. Second operand 9 states and 1499 transitions. [2021-04-29 00:44:36,052 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 147 transitions, 1650 flow [2021-04-29 00:44:36,069 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 147 transitions, 1613 flow, removed 18 selfloop flow, removed 1 redundant places. [2021-04-29 00:44:36,074 INFO L241 Difference]: Finished difference. Result has 80 places, 133 transitions, 1436 flow [2021-04-29 00:44:36,075 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=738, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1436, PETRI_PLACES=80, PETRI_TRANSITIONS=133} [2021-04-29 00:44:36,075 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -46 predicate places. [2021-04-29 00:44:36,075 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:44:36,076 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 133 transitions, 1436 flow [2021-04-29 00:44:36,076 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 80 places, 133 transitions, 1436 flow [2021-04-29 00:44:36,077 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 80 places, 133 transitions, 1436 flow [2021-04-29 00:44:36,276 INFO L129 PetriNetUnfolder]: 241/777 cut-off events. [2021-04-29 00:44:36,277 INFO L130 PetriNetUnfolder]: For 4202/4293 co-relation queries the response was YES. [2021-04-29 00:44:36,283 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3434 conditions, 777 events. 241/777 cut-off events. For 4202/4293 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 6332 event pairs, 11 based on Foata normal form. 23/611 useless extension candidates. Maximal degree in co-relation 3402. Up to 219 conditions per place. [2021-04-29 00:44:36,297 INFO L146 LiptonReduction]: Number of co-enabled transitions 1626 [2021-04-29 00:44:36,315 INFO L158 LiptonReduction]: Checked pairs total: 728 [2021-04-29 00:44:36,315 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:44:36,315 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 240 [2021-04-29 00:44:36,316 INFO L480 AbstractCegarLoop]: Abstraction has has 80 places, 133 transitions, 1436 flow [2021-04-29 00:44:36,318 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 162.14285714285714) internal successors, (1135), 7 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:36,319 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:44:36,319 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:44:36,319 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-29 00:44:36,319 INFO L428 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:44:36,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:44:36,320 INFO L82 PathProgramCache]: Analyzing trace with hash -2072476159, now seen corresponding path program 3 times [2021-04-29 00:44:36,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:44:36,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739833429] [2021-04-29 00:44:36,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:44:36,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:44:36,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:36,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 00:44:36,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:36,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:44:36,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:36,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:44:36,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:36,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:44:36,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:36,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:44:36,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:36,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 00:44:36,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:44:36,580 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739833429] [2021-04-29 00:44:36,581 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:44:36,581 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 00:44:36,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22893467] [2021-04-29 00:44:36,581 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 00:44:36,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:44:36,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 00:44:36,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-29 00:44:36,584 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 325 [2021-04-29 00:44:36,585 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 133 transitions, 1436 flow. Second operand has 5 states, 5 states have (on average 164.6) internal successors, (823), 5 states have internal predecessors, (823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:36,585 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:44:36,586 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 325 [2021-04-29 00:44:36,586 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:44:37,153 INFO L129 PetriNetUnfolder]: 323/987 cut-off events. [2021-04-29 00:44:37,153 INFO L130 PetriNetUnfolder]: For 4402/4487 co-relation queries the response was YES. [2021-04-29 00:44:37,160 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4475 conditions, 987 events. 323/987 cut-off events. For 4402/4487 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 8353 event pairs, 18 based on Foata normal form. 53/800 useless extension candidates. Maximal degree in co-relation 4441. Up to 370 conditions per place. [2021-04-29 00:44:37,168 INFO L132 encePairwiseOnDemand]: 317/325 looper letters, 76 selfloop transitions, 55 changer transitions 5/157 dead transitions. [2021-04-29 00:44:37,169 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 157 transitions, 1984 flow [2021-04-29 00:44:37,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 00:44:37,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 00:44:37,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1007 transitions. [2021-04-29 00:44:37,174 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5164102564102564 [2021-04-29 00:44:37,175 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1007 transitions. [2021-04-29 00:44:37,175 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1007 transitions. [2021-04-29 00:44:37,176 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:44:37,176 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1007 transitions. [2021-04-29 00:44:37,179 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 167.83333333333334) internal successors, (1007), 6 states have internal predecessors, (1007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:37,182 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 325.0) internal successors, (2275), 7 states have internal predecessors, (2275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:37,183 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 325.0) internal successors, (2275), 7 states have internal predecessors, (2275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:37,183 INFO L185 Difference]: Start difference. First operand has 80 places, 133 transitions, 1436 flow. Second operand 6 states and 1007 transitions. [2021-04-29 00:44:37,183 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 157 transitions, 1984 flow [2021-04-29 00:44:37,212 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 157 transitions, 1958 flow, removed 13 selfloop flow, removed 0 redundant places. [2021-04-29 00:44:37,217 INFO L241 Difference]: Finished difference. Result has 88 places, 144 transitions, 1797 flow [2021-04-29 00:44:37,217 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=1410, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1797, PETRI_PLACES=88, PETRI_TRANSITIONS=144} [2021-04-29 00:44:37,218 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -38 predicate places. [2021-04-29 00:44:37,218 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:44:37,218 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 144 transitions, 1797 flow [2021-04-29 00:44:37,218 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 144 transitions, 1797 flow [2021-04-29 00:44:37,220 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 88 places, 144 transitions, 1797 flow [2021-04-29 00:44:37,472 INFO L129 PetriNetUnfolder]: 250/885 cut-off events. [2021-04-29 00:44:37,472 INFO L130 PetriNetUnfolder]: For 5511/5608 co-relation queries the response was YES. [2021-04-29 00:44:37,480 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4059 conditions, 885 events. 250/885 cut-off events. For 5511/5608 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 7715 event pairs, 10 based on Foata normal form. 39/700 useless extension candidates. Maximal degree in co-relation 4022. Up to 231 conditions per place. [2021-04-29 00:44:37,498 INFO L146 LiptonReduction]: Number of co-enabled transitions 1708 [2021-04-29 00:44:37,513 INFO L158 LiptonReduction]: Checked pairs total: 760 [2021-04-29 00:44:37,513 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:44:37,514 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 296 [2021-04-29 00:44:37,515 INFO L480 AbstractCegarLoop]: Abstraction has has 88 places, 144 transitions, 1797 flow [2021-04-29 00:44:37,515 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 164.6) internal successors, (823), 5 states have internal predecessors, (823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:37,515 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:44:37,515 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:44:37,516 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-29 00:44:37,516 INFO L428 AbstractCegarLoop]: === Iteration 10 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:44:37,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:44:37,516 INFO L82 PathProgramCache]: Analyzing trace with hash 1949987081, now seen corresponding path program 1 times [2021-04-29 00:44:37,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:44:37,516 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826665111] [2021-04-29 00:44:37,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:44:37,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:44:37,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:37,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 00:44:37,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:37,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:44:37,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:44:37,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826665111] [2021-04-29 00:44:37,579 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:44:37,579 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-29 00:44:37,579 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648990762] [2021-04-29 00:44:37,579 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 00:44:37,579 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:44:37,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 00:44:37,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 00:44:37,581 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 325 [2021-04-29 00:44:37,583 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 144 transitions, 1797 flow. Second operand has 3 states, 3 states have (on average 262.0) internal successors, (786), 3 states have internal predecessors, (786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:37,583 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:44:37,583 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 325 [2021-04-29 00:44:37,583 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:44:37,939 INFO L129 PetriNetUnfolder]: 333/1260 cut-off events. [2021-04-29 00:44:37,939 INFO L130 PetriNetUnfolder]: For 7415/7548 co-relation queries the response was YES. [2021-04-29 00:44:37,950 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5434 conditions, 1260 events. 333/1260 cut-off events. For 7415/7548 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 12110 event pairs, 1 based on Foata normal form. 49/943 useless extension candidates. Maximal degree in co-relation 5395. Up to 320 conditions per place. [2021-04-29 00:44:37,956 INFO L132 encePairwiseOnDemand]: 322/325 looper letters, 3 selfloop transitions, 3 changer transitions 39/144 dead transitions. [2021-04-29 00:44:37,956 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 144 transitions, 1809 flow [2021-04-29 00:44:37,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 00:44:37,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 00:44:37,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 789 transitions. [2021-04-29 00:44:37,961 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8092307692307692 [2021-04-29 00:44:37,961 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 789 transitions. [2021-04-29 00:44:37,961 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 789 transitions. [2021-04-29 00:44:37,962 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:44:37,962 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 789 transitions. [2021-04-29 00:44:37,964 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 263.0) internal successors, (789), 3 states have internal predecessors, (789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:37,966 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 325.0) internal successors, (1300), 4 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:37,967 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 325.0) internal successors, (1300), 4 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:37,967 INFO L185 Difference]: Start difference. First operand has 88 places, 144 transitions, 1797 flow. Second operand 3 states and 789 transitions. [2021-04-29 00:44:37,967 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 144 transitions, 1809 flow [2021-04-29 00:44:38,016 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 144 transitions, 1790 flow, removed 9 selfloop flow, removed 1 redundant places. [2021-04-29 00:44:38,019 INFO L241 Difference]: Finished difference. Result has 90 places, 105 transitions, 1247 flow [2021-04-29 00:44:38,020 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=1778, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=144, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1247, PETRI_PLACES=90, PETRI_TRANSITIONS=105} [2021-04-29 00:44:38,020 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -36 predicate places. [2021-04-29 00:44:38,020 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:44:38,020 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 105 transitions, 1247 flow [2021-04-29 00:44:38,021 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 105 transitions, 1247 flow [2021-04-29 00:44:38,022 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 88 places, 105 transitions, 1247 flow [2021-04-29 00:44:38,228 INFO L129 PetriNetUnfolder]: 214/935 cut-off events. [2021-04-29 00:44:38,228 INFO L130 PetriNetUnfolder]: For 5192/5324 co-relation queries the response was YES. [2021-04-29 00:44:38,234 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3939 conditions, 935 events. 214/935 cut-off events. For 5192/5324 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 8930 event pairs, 10 based on Foata normal form. 26/667 useless extension candidates. Maximal degree in co-relation 3901. Up to 218 conditions per place. [2021-04-29 00:44:38,287 INFO L146 LiptonReduction]: Number of co-enabled transitions 1140 [2021-04-29 00:44:38,301 INFO L158 LiptonReduction]: Checked pairs total: 536 [2021-04-29 00:44:38,302 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:44:38,302 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 282 [2021-04-29 00:44:38,303 INFO L480 AbstractCegarLoop]: Abstraction has has 88 places, 105 transitions, 1247 flow [2021-04-29 00:44:38,303 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 262.0) internal successors, (786), 3 states have internal predecessors, (786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:38,303 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:44:38,304 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:44:38,304 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-29 00:44:38,304 INFO L428 AbstractCegarLoop]: === Iteration 11 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:44:38,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:44:38,304 INFO L82 PathProgramCache]: Analyzing trace with hash -1293708287, now seen corresponding path program 1 times [2021-04-29 00:44:38,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:44:38,305 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198387693] [2021-04-29 00:44:38,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:44:38,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:44:38,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:38,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 00:44:38,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:38,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 00:44:38,474 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-04-29 00:44:38,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 00:44:38,510 INFO L142 QuantifierPusher]: treesize reduction 8, result has 72.4 percent of original size [2021-04-29 00:44:38,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 00:44:38,560 INFO L142 QuantifierPusher]: treesize reduction 8, result has 65.2 percent of original size [2021-04-29 00:44:38,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 00:44:38,598 INFO L142 QuantifierPusher]: treesize reduction 8, result has 69.2 percent of original size [2021-04-29 00:44:38,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 00:44:38,643 INFO L142 QuantifierPusher]: treesize reduction 8, result has 63.6 percent of original size [2021-04-29 00:44:38,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 00:44:38,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:44:38,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198387693] [2021-04-29 00:44:38,681 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:44:38,681 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 00:44:38,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135542481] [2021-04-29 00:44:38,682 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 00:44:38,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:44:38,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 00:44:38,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-04-29 00:44:38,686 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 325 [2021-04-29 00:44:38,687 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 105 transitions, 1247 flow. Second operand has 9 states, 9 states have (on average 158.0) internal successors, (1422), 9 states have internal predecessors, (1422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:38,687 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:44:38,687 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 325 [2021-04-29 00:44:38,687 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:44:39,788 INFO L129 PetriNetUnfolder]: 300/1171 cut-off events. [2021-04-29 00:44:39,788 INFO L130 PetriNetUnfolder]: For 6142/6270 co-relation queries the response was YES. [2021-04-29 00:44:39,796 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5058 conditions, 1171 events. 300/1171 cut-off events. For 6142/6270 co-relation queries the response was YES. Maximal size of possible extension queue 216. Compared 11499 event pairs, 3 based on Foata normal form. 87/889 useless extension candidates. Maximal degree in co-relation 5018. Up to 396 conditions per place. [2021-04-29 00:44:39,802 INFO L132 encePairwiseOnDemand]: 316/325 looper letters, 62 selfloop transitions, 41 changer transitions 19/143 dead transitions. [2021-04-29 00:44:39,802 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 143 transitions, 1949 flow [2021-04-29 00:44:39,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-29 00:44:39,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-29 00:44:39,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1771 transitions. [2021-04-29 00:44:39,811 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.49538461538461537 [2021-04-29 00:44:39,811 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1771 transitions. [2021-04-29 00:44:39,811 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1771 transitions. [2021-04-29 00:44:39,813 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:44:39,813 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1771 transitions. [2021-04-29 00:44:39,818 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 161.0) internal successors, (1771), 11 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:39,839 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 325.0) internal successors, (3900), 12 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:39,841 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 325.0) internal successors, (3900), 12 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:39,841 INFO L185 Difference]: Start difference. First operand has 88 places, 105 transitions, 1247 flow. Second operand 11 states and 1771 transitions. [2021-04-29 00:44:39,841 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 143 transitions, 1949 flow [2021-04-29 00:44:39,874 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 143 transitions, 1880 flow, removed 14 selfloop flow, removed 7 redundant places. [2021-04-29 00:44:39,878 INFO L241 Difference]: Finished difference. Result has 95 places, 110 transitions, 1441 flow [2021-04-29 00:44:39,879 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=1186, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1441, PETRI_PLACES=95, PETRI_TRANSITIONS=110} [2021-04-29 00:44:39,879 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -31 predicate places. [2021-04-29 00:44:39,879 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:44:39,879 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 95 places, 110 transitions, 1441 flow [2021-04-29 00:44:39,879 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 95 places, 110 transitions, 1441 flow [2021-04-29 00:44:39,881 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 95 places, 110 transitions, 1441 flow [2021-04-29 00:44:40,060 INFO L129 PetriNetUnfolder]: 170/830 cut-off events. [2021-04-29 00:44:40,061 INFO L130 PetriNetUnfolder]: For 5149/5313 co-relation queries the response was YES. [2021-04-29 00:44:40,067 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3524 conditions, 830 events. 170/830 cut-off events. For 5149/5313 co-relation queries the response was YES. Maximal size of possible extension queue 150. Compared 8013 event pairs, 11 based on Foata normal form. 64/625 useless extension candidates. Maximal degree in co-relation 3486. Up to 187 conditions per place. [2021-04-29 00:44:40,086 INFO L146 LiptonReduction]: Number of co-enabled transitions 1112 [2021-04-29 00:44:40,099 INFO L158 LiptonReduction]: Checked pairs total: 560 [2021-04-29 00:44:40,099 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:44:40,099 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 220 [2021-04-29 00:44:40,101 INFO L480 AbstractCegarLoop]: Abstraction has has 95 places, 110 transitions, 1441 flow [2021-04-29 00:44:40,102 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 158.0) internal successors, (1422), 9 states have internal predecessors, (1422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:40,102 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:44:40,102 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:44:40,102 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-04-29 00:44:40,102 INFO L428 AbstractCegarLoop]: === Iteration 12 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:44:40,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:44:40,103 INFO L82 PathProgramCache]: Analyzing trace with hash 949643303, now seen corresponding path program 2 times [2021-04-29 00:44:40,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:44:40,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461068196] [2021-04-29 00:44:40,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:44:40,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:44:40,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:40,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 00:44:40,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:40,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 00:44:40,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:40,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:44:40,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:40,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 00:44:40,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:40,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 00:44:40,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:44:40,409 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461068196] [2021-04-29 00:44:40,409 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:44:40,409 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-29 00:44:40,409 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162600827] [2021-04-29 00:44:40,410 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 00:44:40,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:44:40,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 00:44:40,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-04-29 00:44:40,415 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 325 [2021-04-29 00:44:40,416 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 110 transitions, 1441 flow. Second operand has 6 states, 6 states have (on average 163.5) internal successors, (981), 6 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:40,416 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:44:40,416 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 325 [2021-04-29 00:44:40,416 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:44:41,163 INFO L129 PetriNetUnfolder]: 266/1073 cut-off events. [2021-04-29 00:44:41,163 INFO L130 PetriNetUnfolder]: For 6920/7075 co-relation queries the response was YES. [2021-04-29 00:44:41,174 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4968 conditions, 1073 events. 266/1073 cut-off events. For 6920/7075 co-relation queries the response was YES. Maximal size of possible extension queue 183. Compared 10395 event pairs, 0 based on Foata normal form. 84/817 useless extension candidates. Maximal degree in co-relation 4928. Up to 305 conditions per place. [2021-04-29 00:44:41,179 INFO L132 encePairwiseOnDemand]: 315/325 looper letters, 56 selfloop transitions, 61 changer transitions 21/159 dead transitions. [2021-04-29 00:44:41,179 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 159 transitions, 2366 flow [2021-04-29 00:44:41,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 00:44:41,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 00:44:41,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1498 transitions. [2021-04-29 00:44:41,187 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5121367521367521 [2021-04-29 00:44:41,187 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1498 transitions. [2021-04-29 00:44:41,187 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1498 transitions. [2021-04-29 00:44:41,188 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:44:41,189 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1498 transitions. [2021-04-29 00:44:41,192 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 166.44444444444446) internal successors, (1498), 9 states have internal predecessors, (1498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:41,197 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 325.0) internal successors, (3250), 10 states have internal predecessors, (3250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:41,198 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 325.0) internal successors, (3250), 10 states have internal predecessors, (3250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:41,198 INFO L185 Difference]: Start difference. First operand has 95 places, 110 transitions, 1441 flow. Second operand 9 states and 1498 transitions. [2021-04-29 00:44:41,198 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 159 transitions, 2366 flow [2021-04-29 00:44:41,226 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 159 transitions, 2293 flow, removed 14 selfloop flow, removed 5 redundant places. [2021-04-29 00:44:41,231 INFO L241 Difference]: Finished difference. Result has 102 places, 130 transitions, 1881 flow [2021-04-29 00:44:41,231 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=1375, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1881, PETRI_PLACES=102, PETRI_TRANSITIONS=130} [2021-04-29 00:44:41,232 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -24 predicate places. [2021-04-29 00:44:41,232 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:44:41,232 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 102 places, 130 transitions, 1881 flow [2021-04-29 00:44:41,232 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 102 places, 130 transitions, 1881 flow [2021-04-29 00:44:41,234 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 102 places, 130 transitions, 1881 flow [2021-04-29 00:44:41,410 INFO L129 PetriNetUnfolder]: 207/862 cut-off events. [2021-04-29 00:44:41,410 INFO L130 PetriNetUnfolder]: For 6837/6977 co-relation queries the response was YES. [2021-04-29 00:44:41,417 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4206 conditions, 862 events. 207/862 cut-off events. For 6837/6977 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 8007 event pairs, 5 based on Foata normal form. 48/646 useless extension candidates. Maximal degree in co-relation 4165. Up to 199 conditions per place. [2021-04-29 00:44:41,435 INFO L146 LiptonReduction]: Number of co-enabled transitions 1282 [2021-04-29 00:44:41,449 INFO L158 LiptonReduction]: Checked pairs total: 781 [2021-04-29 00:44:41,450 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:44:41,450 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 218 [2021-04-29 00:44:41,451 INFO L480 AbstractCegarLoop]: Abstraction has has 102 places, 130 transitions, 1881 flow [2021-04-29 00:44:41,452 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 163.5) internal successors, (981), 6 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:41,452 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:44:41,452 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:44:41,452 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-04-29 00:44:41,452 INFO L428 AbstractCegarLoop]: === Iteration 13 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:44:41,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:44:41,453 INFO L82 PathProgramCache]: Analyzing trace with hash -2075770105, now seen corresponding path program 3 times [2021-04-29 00:44:41,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:44:41,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758450114] [2021-04-29 00:44:41,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:44:41,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:44:41,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:41,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 00:44:41,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:41,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 00:44:41,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:41,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 00:44:41,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:41,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 00:44:41,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:41,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 00:44:41,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:44:41,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758450114] [2021-04-29 00:44:41,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:44:41,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 00:44:41,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593840139] [2021-04-29 00:44:41,694 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 00:44:41,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:44:41,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 00:44:41,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-04-29 00:44:41,697 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 325 [2021-04-29 00:44:41,698 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 130 transitions, 1881 flow. Second operand has 7 states, 7 states have (on average 159.28571428571428) internal successors, (1115), 7 states have internal predecessors, (1115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:41,698 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:44:41,699 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 325 [2021-04-29 00:44:41,699 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:44:42,535 INFO L129 PetriNetUnfolder]: 215/945 cut-off events. [2021-04-29 00:44:42,536 INFO L130 PetriNetUnfolder]: For 7445/7628 co-relation queries the response was YES. [2021-04-29 00:44:42,543 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4829 conditions, 945 events. 215/945 cut-off events. For 7445/7628 co-relation queries the response was YES. Maximal size of possible extension queue 154. Compared 8966 event pairs, 3 based on Foata normal form. 97/743 useless extension candidates. Maximal degree in co-relation 4786. Up to 241 conditions per place. [2021-04-29 00:44:42,548 INFO L132 encePairwiseOnDemand]: 316/325 looper letters, 50 selfloop transitions, 59 changer transitions 19/149 dead transitions. [2021-04-29 00:44:42,549 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 149 transitions, 2392 flow [2021-04-29 00:44:42,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 00:44:42,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 00:44:42,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1457 transitions. [2021-04-29 00:44:42,557 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.49811965811965814 [2021-04-29 00:44:42,557 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1457 transitions. [2021-04-29 00:44:42,557 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1457 transitions. [2021-04-29 00:44:42,558 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:44:42,558 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1457 transitions. [2021-04-29 00:44:42,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 161.88888888888889) internal successors, (1457), 9 states have internal predecessors, (1457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:42,567 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 325.0) internal successors, (3250), 10 states have internal predecessors, (3250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:42,568 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 325.0) internal successors, (3250), 10 states have internal predecessors, (3250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:42,569 INFO L185 Difference]: Start difference. First operand has 102 places, 130 transitions, 1881 flow. Second operand 9 states and 1457 transitions. [2021-04-29 00:44:42,569 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 149 transitions, 2392 flow [2021-04-29 00:44:42,608 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 149 transitions, 2371 flow, removed 6 selfloop flow, removed 3 redundant places. [2021-04-29 00:44:42,613 INFO L241 Difference]: Finished difference. Result has 109 places, 126 transitions, 1958 flow [2021-04-29 00:44:42,613 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=1860, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1958, PETRI_PLACES=109, PETRI_TRANSITIONS=126} [2021-04-29 00:44:42,613 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -17 predicate places. [2021-04-29 00:44:42,613 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:44:42,614 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 109 places, 126 transitions, 1958 flow [2021-04-29 00:44:42,614 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 109 places, 126 transitions, 1958 flow [2021-04-29 00:44:42,616 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 109 places, 126 transitions, 1958 flow [2021-04-29 00:44:42,788 INFO L129 PetriNetUnfolder]: 168/764 cut-off events. [2021-04-29 00:44:42,788 INFO L130 PetriNetUnfolder]: For 6183/6268 co-relation queries the response was YES. [2021-04-29 00:44:42,793 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3926 conditions, 764 events. 168/764 cut-off events. For 6183/6268 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 7054 event pairs, 0 based on Foata normal form. 53/576 useless extension candidates. Maximal degree in co-relation 3883. Up to 171 conditions per place. [2021-04-29 00:44:42,808 INFO L146 LiptonReduction]: Number of co-enabled transitions 1202 [2021-04-29 00:44:42,818 INFO L158 LiptonReduction]: Checked pairs total: 704 [2021-04-29 00:44:42,818 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:44:42,819 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 206 [2021-04-29 00:44:42,820 INFO L480 AbstractCegarLoop]: Abstraction has has 109 places, 126 transitions, 1958 flow [2021-04-29 00:44:42,820 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 159.28571428571428) internal successors, (1115), 7 states have internal predecessors, (1115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:42,820 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:44:42,820 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:44:42,821 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-04-29 00:44:42,821 INFO L428 AbstractCegarLoop]: === Iteration 14 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:44:42,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:44:42,821 INFO L82 PathProgramCache]: Analyzing trace with hash 320056336, now seen corresponding path program 1 times [2021-04-29 00:44:42,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:44:42,821 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459100764] [2021-04-29 00:44:42,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:44:42,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:44:42,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:42,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:44:42,910 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-29 00:44:42,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:44:42,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:42,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 00:44:42,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:44:42,934 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459100764] [2021-04-29 00:44:42,934 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:44:42,934 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 00:44:42,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197094945] [2021-04-29 00:44:42,935 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 00:44:42,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:44:42,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 00:44:42,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-29 00:44:42,937 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 325 [2021-04-29 00:44:42,938 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 126 transitions, 1958 flow. Second operand has 4 states, 4 states have (on average 237.75) internal successors, (951), 4 states have internal predecessors, (951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:42,939 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:44:42,939 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 325 [2021-04-29 00:44:42,939 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:44:44,465 INFO L129 PetriNetUnfolder]: 5104/8781 cut-off events. [2021-04-29 00:44:44,465 INFO L130 PetriNetUnfolder]: For 28059/29645 co-relation queries the response was YES. [2021-04-29 00:44:44,543 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25249 conditions, 8781 events. 5104/8781 cut-off events. For 28059/29645 co-relation queries the response was YES. Maximal size of possible extension queue 1554. Compared 76326 event pairs, 2307 based on Foata normal form. 987/5018 useless extension candidates. Maximal degree in co-relation 25204. Up to 6598 conditions per place. [2021-04-29 00:44:44,570 INFO L132 encePairwiseOnDemand]: 313/325 looper letters, 28 selfloop transitions, 20 changer transitions 2/122 dead transitions. [2021-04-29 00:44:44,571 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 122 transitions, 1469 flow [2021-04-29 00:44:44,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 00:44:44,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 00:44:44,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1227 transitions. [2021-04-29 00:44:44,576 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7550769230769231 [2021-04-29 00:44:44,576 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1227 transitions. [2021-04-29 00:44:44,576 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1227 transitions. [2021-04-29 00:44:44,577 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:44:44,577 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1227 transitions. [2021-04-29 00:44:44,580 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 245.4) internal successors, (1227), 5 states have internal predecessors, (1227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:44,583 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 325.0) internal successors, (1950), 6 states have internal predecessors, (1950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:44,584 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 325.0) internal successors, (1950), 6 states have internal predecessors, (1950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:44,584 INFO L185 Difference]: Start difference. First operand has 109 places, 126 transitions, 1958 flow. Second operand 5 states and 1227 transitions. [2021-04-29 00:44:44,584 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 122 transitions, 1469 flow [2021-04-29 00:44:44,673 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 122 transitions, 1334 flow, removed 15 selfloop flow, removed 14 redundant places. [2021-04-29 00:44:44,676 INFO L241 Difference]: Finished difference. Result has 102 places, 111 transitions, 1339 flow [2021-04-29 00:44:44,677 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=1182, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1339, PETRI_PLACES=102, PETRI_TRANSITIONS=111} [2021-04-29 00:44:44,677 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -24 predicate places. [2021-04-29 00:44:44,677 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:44:44,677 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 102 places, 111 transitions, 1339 flow [2021-04-29 00:44:44,677 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 102 places, 111 transitions, 1339 flow [2021-04-29 00:44:44,679 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 101 places, 111 transitions, 1339 flow [2021-04-29 00:44:45,369 INFO L129 PetriNetUnfolder]: 4065/7131 cut-off events. [2021-04-29 00:44:45,369 INFO L130 PetriNetUnfolder]: For 17666/18710 co-relation queries the response was YES. [2021-04-29 00:44:45,404 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25807 conditions, 7131 events. 4065/7131 cut-off events. For 17666/18710 co-relation queries the response was YES. Maximal size of possible extension queue 1282. Compared 62003 event pairs, 1619 based on Foata normal form. 71/3369 useless extension candidates. Maximal degree in co-relation 25767. Up to 5839 conditions per place. [2021-04-29 00:44:45,491 INFO L146 LiptonReduction]: Number of co-enabled transitions 1120 [2021-04-29 00:44:47,876 WARN L205 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 269 DAG size of output: 160 [2021-04-29 00:44:48,505 WARN L205 SmtUtils]: Spent 625.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2021-04-29 00:44:55,042 WARN L205 SmtUtils]: Spent 6.53 s on a formula simplification. DAG size of input: 377 DAG size of output: 240 [2021-04-29 00:44:56,424 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 220 [2021-04-29 00:44:56,483 INFO L158 LiptonReduction]: Checked pairs total: 5 [2021-04-29 00:44:56,483 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-29 00:44:56,484 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11807 [2021-04-29 00:44:56,485 INFO L480 AbstractCegarLoop]: Abstraction has has 102 places, 112 transitions, 1343 flow [2021-04-29 00:44:56,485 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 237.75) internal successors, (951), 4 states have internal predecessors, (951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:56,485 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:44:56,485 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:44:56,485 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-04-29 00:44:56,486 INFO L428 AbstractCegarLoop]: === Iteration 15 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:44:56,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:44:56,486 INFO L82 PathProgramCache]: Analyzing trace with hash 388667498, now seen corresponding path program 1 times [2021-04-29 00:44:56,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:44:56,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669835608] [2021-04-29 00:44:56,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:44:56,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:44:56,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:56,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:44:56,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:56,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:44:56,599 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-29 00:44:56,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:44:56,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:56,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 00:44:56,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:44:56,622 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669835608] [2021-04-29 00:44:56,622 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:44:56,622 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-29 00:44:56,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575692535] [2021-04-29 00:44:56,623 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 00:44:56,623 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:44:56,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 00:44:56,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-29 00:44:56,625 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 326 [2021-04-29 00:44:56,626 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 112 transitions, 1343 flow. Second operand has 5 states, 5 states have (on average 238.8) internal successors, (1194), 5 states have internal predecessors, (1194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:56,626 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:44:56,627 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 326 [2021-04-29 00:44:56,627 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:44:57,808 INFO L129 PetriNetUnfolder]: 2986/6058 cut-off events. [2021-04-29 00:44:57,808 INFO L130 PetriNetUnfolder]: For 22183/28162 co-relation queries the response was YES. [2021-04-29 00:44:57,834 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26514 conditions, 6058 events. 2986/6058 cut-off events. For 22183/28162 co-relation queries the response was YES. Maximal size of possible extension queue 1383. Compared 58307 event pairs, 342 based on Foata normal form. 1117/3880 useless extension candidates. Maximal degree in co-relation 26472. Up to 5075 conditions per place. [2021-04-29 00:44:57,851 INFO L132 encePairwiseOnDemand]: 314/326 looper letters, 13 selfloop transitions, 39 changer transitions 10/124 dead transitions. [2021-04-29 00:44:57,851 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 124 transitions, 1387 flow [2021-04-29 00:44:57,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 00:44:57,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 00:44:57,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1727 transitions. [2021-04-29 00:44:57,860 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7567922874671341 [2021-04-29 00:44:57,860 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1727 transitions. [2021-04-29 00:44:57,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1727 transitions. [2021-04-29 00:44:57,862 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:44:57,862 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1727 transitions. [2021-04-29 00:44:57,866 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 246.71428571428572) internal successors, (1727), 7 states have internal predecessors, (1727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:57,871 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 326.0) internal successors, (2608), 8 states have internal predecessors, (2608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:57,872 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 326.0) internal successors, (2608), 8 states have internal predecessors, (2608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:57,872 INFO L185 Difference]: Start difference. First operand has 102 places, 112 transitions, 1343 flow. Second operand 7 states and 1727 transitions. [2021-04-29 00:44:57,872 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 124 transitions, 1387 flow [2021-04-29 00:44:57,955 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 124 transitions, 1309 flow, removed 8 selfloop flow, removed 8 redundant places. [2021-04-29 00:44:57,958 INFO L241 Difference]: Finished difference. Result has 103 places, 114 transitions, 1287 flow [2021-04-29 00:44:57,959 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=326, PETRI_DIFFERENCE_MINUEND_FLOW=1021, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1287, PETRI_PLACES=103, PETRI_TRANSITIONS=114} [2021-04-29 00:44:57,959 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -23 predicate places. [2021-04-29 00:44:57,959 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:44:57,959 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 114 transitions, 1287 flow [2021-04-29 00:44:57,960 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 114 transitions, 1287 flow [2021-04-29 00:44:57,961 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 102 places, 114 transitions, 1287 flow [2021-04-29 00:44:58,559 INFO L129 PetriNetUnfolder]: 2338/5079 cut-off events. [2021-04-29 00:44:58,559 INFO L130 PetriNetUnfolder]: For 21731/27515 co-relation queries the response was YES. [2021-04-29 00:44:58,579 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24691 conditions, 5079 events. 2338/5079 cut-off events. For 21731/27515 co-relation queries the response was YES. Maximal size of possible extension queue 1203. Compared 51488 event pairs, 306 based on Foata normal form. 46/2466 useless extension candidates. Maximal degree in co-relation 24649. Up to 4103 conditions per place. [2021-04-29 00:44:58,615 INFO L146 LiptonReduction]: Number of co-enabled transitions 1156 [2021-04-29 00:44:58,653 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:44:58,653 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:44:58,653 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 694 [2021-04-29 00:44:58,654 INFO L480 AbstractCegarLoop]: Abstraction has has 102 places, 114 transitions, 1287 flow [2021-04-29 00:44:58,655 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 238.8) internal successors, (1194), 5 states have internal predecessors, (1194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:58,655 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:44:58,655 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:44:58,655 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-04-29 00:44:58,655 INFO L428 AbstractCegarLoop]: === Iteration 16 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:44:58,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:44:58,656 INFO L82 PathProgramCache]: Analyzing trace with hash -1978655921, now seen corresponding path program 1 times [2021-04-29 00:44:58,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:44:58,656 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41018147] [2021-04-29 00:44:58,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:44:58,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:44:58,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:58,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:44:58,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:58,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:44:58,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:58,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:44:58,766 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-29 00:44:58,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:44:58,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:58,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 00:44:58,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:44:58,795 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41018147] [2021-04-29 00:44:58,795 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:44:58,795 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 00:44:58,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187464921] [2021-04-29 00:44:58,796 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 00:44:58,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:44:58,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 00:44:58,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-29 00:44:58,799 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 326 [2021-04-29 00:44:58,800 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 114 transitions, 1287 flow. Second operand has 6 states, 6 states have (on average 238.83333333333334) internal successors, (1433), 6 states have internal predecessors, (1433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:58,800 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:44:58,800 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 326 [2021-04-29 00:44:58,800 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:44:59,700 INFO L129 PetriNetUnfolder]: 1600/4005 cut-off events. [2021-04-29 00:44:59,700 INFO L130 PetriNetUnfolder]: For 21565/33204 co-relation queries the response was YES. [2021-04-29 00:44:59,718 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22378 conditions, 4005 events. 1600/4005 cut-off events. For 21565/33204 co-relation queries the response was YES. Maximal size of possible extension queue 1171. Compared 42616 event pairs, 0 based on Foata normal form. 958/2713 useless extension candidates. Maximal degree in co-relation 22334. Up to 3536 conditions per place. [2021-04-29 00:44:59,729 INFO L132 encePairwiseOnDemand]: 314/326 looper letters, 3 selfloop transitions, 49 changer transitions 12/120 dead transitions. [2021-04-29 00:44:59,729 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 120 transitions, 1426 flow [2021-04-29 00:44:59,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 00:44:59,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 00:44:59,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2204 transitions. [2021-04-29 00:44:59,738 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7511929107021131 [2021-04-29 00:44:59,738 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2204 transitions. [2021-04-29 00:44:59,738 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2204 transitions. [2021-04-29 00:44:59,740 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:44:59,740 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2204 transitions. [2021-04-29 00:44:59,746 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 244.88888888888889) internal successors, (2204), 9 states have internal predecessors, (2204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:59,751 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 326.0) internal successors, (3260), 10 states have internal predecessors, (3260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:59,752 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 326.0) internal successors, (3260), 10 states have internal predecessors, (3260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:59,752 INFO L185 Difference]: Start difference. First operand has 102 places, 114 transitions, 1287 flow. Second operand 9 states and 2204 transitions. [2021-04-29 00:44:59,753 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 120 transitions, 1426 flow [2021-04-29 00:45:00,141 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 120 transitions, 1268 flow, removed 46 selfloop flow, removed 7 redundant places. [2021-04-29 00:45:00,144 INFO L241 Difference]: Finished difference. Result has 106 places, 108 transitions, 1172 flow [2021-04-29 00:45:00,144 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=326, PETRI_DIFFERENCE_MINUEND_FLOW=1068, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1172, PETRI_PLACES=106, PETRI_TRANSITIONS=108} [2021-04-29 00:45:00,144 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -20 predicate places. [2021-04-29 00:45:00,144 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:45:00,145 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 106 places, 108 transitions, 1172 flow [2021-04-29 00:45:00,145 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 106 places, 108 transitions, 1172 flow [2021-04-29 00:45:00,146 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 108 transitions, 1172 flow [2021-04-29 00:45:00,475 INFO L129 PetriNetUnfolder]: 1268/3488 cut-off events. [2021-04-29 00:45:00,475 INFO L130 PetriNetUnfolder]: For 11309/12958 co-relation queries the response was YES. [2021-04-29 00:45:00,487 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16509 conditions, 3488 events. 1268/3488 cut-off events. For 11309/12958 co-relation queries the response was YES. Maximal size of possible extension queue 1095. Compared 39727 event pairs, 0 based on Foata normal form. 31/1614 useless extension candidates. Maximal degree in co-relation 16466. Up to 1530 conditions per place. [2021-04-29 00:45:00,511 INFO L146 LiptonReduction]: Number of co-enabled transitions 1062 [2021-04-29 00:45:02,328 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 213 DAG size of output: 156 [2021-04-29 00:45:02,955 WARN L205 SmtUtils]: Spent 625.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2021-04-29 00:45:07,275 WARN L205 SmtUtils]: Spent 4.32 s on a formula simplification. DAG size of input: 314 DAG size of output: 255 [2021-04-29 00:45:08,949 WARN L205 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 240 [2021-04-29 00:45:08,994 INFO L158 LiptonReduction]: Checked pairs total: 5 [2021-04-29 00:45:08,994 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-29 00:45:08,995 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8851 [2021-04-29 00:45:08,995 INFO L480 AbstractCegarLoop]: Abstraction has has 106 places, 109 transitions, 1174 flow [2021-04-29 00:45:08,996 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 238.83333333333334) internal successors, (1433), 6 states have internal predecessors, (1433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:08,996 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:45:08,996 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:45:08,996 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-04-29 00:45:08,996 INFO L428 AbstractCegarLoop]: === Iteration 17 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:45:08,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:45:08,997 INFO L82 PathProgramCache]: Analyzing trace with hash -592033633, now seen corresponding path program 1 times [2021-04-29 00:45:08,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:45:08,997 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247972870] [2021-04-29 00:45:08,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:45:09,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:45:09,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:09,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 00:45:09,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:09,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:45:09,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:09,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 00:45:09,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:09,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 00:45:09,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:09,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:45:09,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:45:09,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247972870] [2021-04-29 00:45:09,198 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:45:09,198 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 00:45:09,198 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330211496] [2021-04-29 00:45:09,199 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 00:45:09,199 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:45:09,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 00:45:09,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-04-29 00:45:09,203 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 327 [2021-04-29 00:45:09,205 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 109 transitions, 1174 flow. Second operand has 7 states, 7 states have (on average 170.28571428571428) internal successors, (1192), 7 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:09,205 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:45:09,205 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 327 [2021-04-29 00:45:09,206 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:45:10,259 INFO L129 PetriNetUnfolder]: 1750/4718 cut-off events. [2021-04-29 00:45:10,260 INFO L130 PetriNetUnfolder]: For 18853/21199 co-relation queries the response was YES. [2021-04-29 00:45:10,278 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23146 conditions, 4718 events. 1750/4718 cut-off events. For 18853/21199 co-relation queries the response was YES. Maximal size of possible extension queue 1395. Compared 54270 event pairs, 0 based on Foata normal form. 105/2243 useless extension candidates. Maximal degree in co-relation 23101. Up to 1980 conditions per place. [2021-04-29 00:45:10,287 INFO L132 encePairwiseOnDemand]: 318/327 looper letters, 20 selfloop transitions, 23 changer transitions 12/114 dead transitions. [2021-04-29 00:45:10,287 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 114 transitions, 1367 flow [2021-04-29 00:45:10,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 00:45:10,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 00:45:10,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1211 transitions. [2021-04-29 00:45:10,293 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5290519877675841 [2021-04-29 00:45:10,293 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1211 transitions. [2021-04-29 00:45:10,293 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1211 transitions. [2021-04-29 00:45:10,294 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:45:10,294 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1211 transitions. [2021-04-29 00:45:10,296 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 173.0) internal successors, (1211), 7 states have internal predecessors, (1211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:10,300 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 327.0) internal successors, (2616), 8 states have internal predecessors, (2616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:10,301 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 327.0) internal successors, (2616), 8 states have internal predecessors, (2616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:10,301 INFO L185 Difference]: Start difference. First operand has 106 places, 109 transitions, 1174 flow. Second operand 7 states and 1211 transitions. [2021-04-29 00:45:10,301 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 114 transitions, 1367 flow [2021-04-29 00:45:11,190 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 114 transitions, 1205 flow, removed 37 selfloop flow, removed 8 redundant places. [2021-04-29 00:45:11,193 INFO L241 Difference]: Finished difference. Result has 106 places, 102 transitions, 1008 flow [2021-04-29 00:45:11,194 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=327, PETRI_DIFFERENCE_MINUEND_FLOW=1020, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1008, PETRI_PLACES=106, PETRI_TRANSITIONS=102} [2021-04-29 00:45:11,194 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -20 predicate places. [2021-04-29 00:45:11,194 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:45:11,194 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 106 places, 102 transitions, 1008 flow [2021-04-29 00:45:11,194 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 106 places, 102 transitions, 1008 flow [2021-04-29 00:45:11,195 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 104 places, 102 transitions, 1008 flow [2021-04-29 00:45:11,535 INFO L129 PetriNetUnfolder]: 1102/3022 cut-off events. [2021-04-29 00:45:11,536 INFO L130 PetriNetUnfolder]: For 5998/6141 co-relation queries the response was YES. [2021-04-29 00:45:11,550 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11066 conditions, 3022 events. 1102/3022 cut-off events. For 5998/6141 co-relation queries the response was YES. Maximal size of possible extension queue 924. Compared 33161 event pairs, 0 based on Foata normal form. 27/1443 useless extension candidates. Maximal degree in co-relation 11024. Up to 1260 conditions per place. [2021-04-29 00:45:11,583 INFO L146 LiptonReduction]: Number of co-enabled transitions 918 [2021-04-29 00:45:11,615 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:45:11,615 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:45:11,616 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 422 [2021-04-29 00:45:11,617 INFO L480 AbstractCegarLoop]: Abstraction has has 104 places, 102 transitions, 1008 flow [2021-04-29 00:45:11,617 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 170.28571428571428) internal successors, (1192), 7 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:11,617 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:45:11,617 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:45:11,618 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-04-29 00:45:11,618 INFO L428 AbstractCegarLoop]: === Iteration 18 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:45:11,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:45:11,618 INFO L82 PathProgramCache]: Analyzing trace with hash 1184774785, now seen corresponding path program 2 times [2021-04-29 00:45:11,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:45:11,619 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329537163] [2021-04-29 00:45:11,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:45:11,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:45:11,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:11,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 00:45:11,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:11,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 00:45:11,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:11,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 00:45:11,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:11,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 00:45:11,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:11,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 00:45:11,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:45:11,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329537163] [2021-04-29 00:45:11,857 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:45:11,857 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 00:45:11,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681381755] [2021-04-29 00:45:11,857 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 00:45:11,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:45:11,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 00:45:11,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-04-29 00:45:11,862 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 327 [2021-04-29 00:45:11,864 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 102 transitions, 1008 flow. Second operand has 7 states, 7 states have (on average 160.28571428571428) internal successors, (1122), 7 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:11,864 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:45:11,864 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 327 [2021-04-29 00:45:11,864 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:45:12,688 INFO L129 PetriNetUnfolder]: 1372/3733 cut-off events. [2021-04-29 00:45:12,688 INFO L130 PetriNetUnfolder]: For 9654/9885 co-relation queries the response was YES. [2021-04-29 00:45:12,702 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13971 conditions, 3733 events. 1372/3733 cut-off events. For 9654/9885 co-relation queries the response was YES. Maximal size of possible extension queue 1143. Compared 41662 event pairs, 0 based on Foata normal form. 75/1824 useless extension candidates. Maximal degree in co-relation 13927. Up to 1530 conditions per place. [2021-04-29 00:45:12,708 INFO L132 encePairwiseOnDemand]: 318/327 looper letters, 28 selfloop transitions, 12 changer transitions 7/106 dead transitions. [2021-04-29 00:45:12,708 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 106 transitions, 1156 flow [2021-04-29 00:45:12,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 00:45:12,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 00:45:12,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1615 transitions. [2021-04-29 00:45:12,715 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4938837920489297 [2021-04-29 00:45:12,715 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1615 transitions. [2021-04-29 00:45:12,715 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1615 transitions. [2021-04-29 00:45:12,716 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:45:12,716 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1615 transitions. [2021-04-29 00:45:12,718 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 161.5) internal successors, (1615), 10 states have internal predecessors, (1615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:12,723 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 327.0) internal successors, (3597), 11 states have internal predecessors, (3597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:12,724 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 327.0) internal successors, (3597), 11 states have internal predecessors, (3597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:12,724 INFO L185 Difference]: Start difference. First operand has 104 places, 102 transitions, 1008 flow. Second operand 10 states and 1615 transitions. [2021-04-29 00:45:12,725 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 106 transitions, 1156 flow [2021-04-29 00:45:13,222 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 106 transitions, 1091 flow, removed 5 selfloop flow, removed 10 redundant places. [2021-04-29 00:45:13,224 INFO L241 Difference]: Finished difference. Result has 106 places, 99 transitions, 953 flow [2021-04-29 00:45:13,224 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=327, PETRI_DIFFERENCE_MINUEND_FLOW=943, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=953, PETRI_PLACES=106, PETRI_TRANSITIONS=99} [2021-04-29 00:45:13,224 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -20 predicate places. [2021-04-29 00:45:13,224 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:45:13,225 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 106 places, 99 transitions, 953 flow [2021-04-29 00:45:13,225 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 106 places, 99 transitions, 953 flow [2021-04-29 00:45:13,225 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 100 places, 99 transitions, 953 flow [2021-04-29 00:45:13,461 INFO L129 PetriNetUnfolder]: 1100/3015 cut-off events. [2021-04-29 00:45:13,461 INFO L130 PetriNetUnfolder]: For 5949/6102 co-relation queries the response was YES. [2021-04-29 00:45:13,473 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11004 conditions, 3015 events. 1100/3015 cut-off events. For 5949/6102 co-relation queries the response was YES. Maximal size of possible extension queue 872. Compared 32956 event pairs, 0 based on Foata normal form. 26/1424 useless extension candidates. Maximal degree in co-relation 10965. Up to 1260 conditions per place. [2021-04-29 00:45:13,497 INFO L146 LiptonReduction]: Number of co-enabled transitions 896 [2021-04-29 00:45:13,582 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:45:13,582 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:45:13,582 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 358 [2021-04-29 00:45:13,584 INFO L480 AbstractCegarLoop]: Abstraction has has 100 places, 99 transitions, 953 flow [2021-04-29 00:45:13,585 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 160.28571428571428) internal successors, (1122), 7 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:13,585 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:45:13,585 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:45:13,586 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-04-29 00:45:13,586 INFO L428 AbstractCegarLoop]: === Iteration 19 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:45:13,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:45:13,586 INFO L82 PathProgramCache]: Analyzing trace with hash 2088242805, now seen corresponding path program 1 times [2021-04-29 00:45:13,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:45:13,587 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920236275] [2021-04-29 00:45:13,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:45:13,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:45:13,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:13,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:45:13,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:13,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 00:45:13,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:13,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:45:13,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:13,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 00:45:13,905 INFO L142 QuantifierPusher]: treesize reduction 34, result has 74.4 percent of original size [2021-04-29 00:45:13,909 INFO L147 QuantifierPusher]: treesize reduction 18, result has 81.8 percent of original size 81 [2021-04-29 00:45:14,120 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 25 [2021-04-29 00:45:14,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:14,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 00:45:14,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:14,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 00:45:14,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:45:14,205 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920236275] [2021-04-29 00:45:14,206 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:45:14,206 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 00:45:14,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373328641] [2021-04-29 00:45:14,206 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 00:45:14,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:45:14,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 00:45:14,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-04-29 00:45:14,210 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 327 [2021-04-29 00:45:14,211 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 99 transitions, 953 flow. Second operand has 9 states, 9 states have (on average 151.11111111111111) internal successors, (1360), 9 states have internal predecessors, (1360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:14,211 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:45:14,211 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 327 [2021-04-29 00:45:14,211 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:45:15,446 INFO L129 PetriNetUnfolder]: 1591/4369 cut-off events. [2021-04-29 00:45:15,446 INFO L130 PetriNetUnfolder]: For 10333/10628 co-relation queries the response was YES. [2021-04-29 00:45:15,465 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16314 conditions, 4369 events. 1591/4369 cut-off events. For 10333/10628 co-relation queries the response was YES. Maximal size of possible extension queue 1326. Compared 49760 event pairs, 0 based on Foata normal form. 88/2086 useless extension candidates. Maximal degree in co-relation 16273. Up to 1890 conditions per place. [2021-04-29 00:45:15,471 INFO L132 encePairwiseOnDemand]: 318/327 looper letters, 25 selfloop transitions, 21 changer transitions 8/113 dead transitions. [2021-04-29 00:45:15,471 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 113 transitions, 1295 flow [2021-04-29 00:45:15,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 00:45:15,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 00:45:15,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1379 transitions. [2021-04-29 00:45:15,482 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4685694869181108 [2021-04-29 00:45:15,482 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1379 transitions. [2021-04-29 00:45:15,482 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1379 transitions. [2021-04-29 00:45:15,483 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:45:15,483 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1379 transitions. [2021-04-29 00:45:15,485 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 153.22222222222223) internal successors, (1379), 9 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) [2021-04-29 00:45:15,489 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 327.0) internal successors, (3270), 10 states have internal predecessors, (3270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:15,490 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 327.0) internal successors, (3270), 10 states have internal predecessors, (3270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:15,490 INFO L185 Difference]: Start difference. First operand has 100 places, 99 transitions, 953 flow. Second operand 9 states and 1379 transitions. [2021-04-29 00:45:15,490 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 113 transitions, 1295 flow [2021-04-29 00:45:16,236 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 113 transitions, 1232 flow, removed 11 selfloop flow, removed 8 redundant places. [2021-04-29 00:45:16,239 INFO L241 Difference]: Finished difference. Result has 103 places, 104 transitions, 1067 flow [2021-04-29 00:45:16,239 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=327, PETRI_DIFFERENCE_MINUEND_FLOW=909, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1067, PETRI_PLACES=103, PETRI_TRANSITIONS=104} [2021-04-29 00:45:16,239 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -23 predicate places. [2021-04-29 00:45:16,239 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:45:16,240 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 104 transitions, 1067 flow [2021-04-29 00:45:16,240 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 104 transitions, 1067 flow [2021-04-29 00:45:16,241 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 102 places, 104 transitions, 1067 flow [2021-04-29 00:45:16,575 INFO L129 PetriNetUnfolder]: 1209/3354 cut-off events. [2021-04-29 00:45:16,575 INFO L130 PetriNetUnfolder]: For 6383/6536 co-relation queries the response was YES. [2021-04-29 00:45:16,589 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12284 conditions, 3354 events. 1209/3354 cut-off events. For 6383/6536 co-relation queries the response was YES. Maximal size of possible extension queue 985. Compared 37614 event pairs, 0 based on Foata normal form. 37/1626 useless extension candidates. Maximal degree in co-relation 12245. Up to 1440 conditions per place. [2021-04-29 00:45:16,617 INFO L146 LiptonReduction]: Number of co-enabled transitions 1056 [2021-04-29 00:45:16,646 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:45:16,646 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:45:16,647 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 408 [2021-04-29 00:45:16,648 INFO L480 AbstractCegarLoop]: Abstraction has has 102 places, 104 transitions, 1067 flow [2021-04-29 00:45:16,648 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 151.11111111111111) internal successors, (1360), 9 states have internal predecessors, (1360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:16,648 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:45:16,648 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:45:16,649 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-04-29 00:45:16,649 INFO L428 AbstractCegarLoop]: === Iteration 20 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:45:16,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:45:16,649 INFO L82 PathProgramCache]: Analyzing trace with hash -587585681, now seen corresponding path program 2 times [2021-04-29 00:45:16,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:45:16,649 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313800854] [2021-04-29 00:45:16,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:45:16,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:45:16,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:16,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 00:45:16,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:16,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:45:16,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:16,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 00:45:16,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:16,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 00:45:16,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:16,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:45:16,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:45:16,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313800854] [2021-04-29 00:45:16,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:45:16,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 00:45:16,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435358679] [2021-04-29 00:45:16,860 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 00:45:16,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:45:16,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 00:45:16,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-04-29 00:45:16,862 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 327 [2021-04-29 00:45:16,863 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 104 transitions, 1067 flow. Second operand has 7 states, 7 states have (on average 158.42857142857142) internal successors, (1109), 7 states have internal predecessors, (1109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:16,864 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:45:16,864 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 327 [2021-04-29 00:45:16,864 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:45:17,492 INFO L129 PetriNetUnfolder]: 1533/4190 cut-off events. [2021-04-29 00:45:17,492 INFO L130 PetriNetUnfolder]: For 9458/9770 co-relation queries the response was YES. [2021-04-29 00:45:17,517 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15559 conditions, 4190 events. 1533/4190 cut-off events. For 9458/9770 co-relation queries the response was YES. Maximal size of possible extension queue 1263. Compared 46829 event pairs, 0 based on Foata normal form. 79/1984 useless extension candidates. Maximal degree in co-relation 15518. Up to 1800 conditions per place. [2021-04-29 00:45:17,523 INFO L132 encePairwiseOnDemand]: 320/327 looper letters, 30 selfloop transitions, 5 changer transitions 16/110 dead transitions. [2021-04-29 00:45:17,523 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 110 transitions, 1261 flow [2021-04-29 00:45:17,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 00:45:17,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 00:45:17,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1121 transitions. [2021-04-29 00:45:17,528 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.48973350808213195 [2021-04-29 00:45:17,529 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1121 transitions. [2021-04-29 00:45:17,529 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1121 transitions. [2021-04-29 00:45:17,529 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:45:17,530 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1121 transitions. [2021-04-29 00:45:17,531 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 160.14285714285714) internal successors, (1121), 7 states have internal predecessors, (1121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:17,534 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 327.0) internal successors, (2616), 8 states have internal predecessors, (2616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:17,535 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 327.0) internal successors, (2616), 8 states have internal predecessors, (2616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:17,535 INFO L185 Difference]: Start difference. First operand has 102 places, 104 transitions, 1067 flow. Second operand 7 states and 1121 transitions. [2021-04-29 00:45:17,535 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 110 transitions, 1261 flow [2021-04-29 00:45:18,114 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 110 transitions, 1190 flow, removed 28 selfloop flow, removed 3 redundant places. [2021-04-29 00:45:18,116 INFO L241 Difference]: Finished difference. Result has 107 places, 94 transitions, 875 flow [2021-04-29 00:45:18,116 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=327, PETRI_DIFFERENCE_MINUEND_FLOW=998, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=875, PETRI_PLACES=107, PETRI_TRANSITIONS=94} [2021-04-29 00:45:18,117 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -19 predicate places. [2021-04-29 00:45:18,117 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:45:18,117 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 107 places, 94 transitions, 875 flow [2021-04-29 00:45:18,117 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 107 places, 94 transitions, 875 flow [2021-04-29 00:45:18,118 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 101 places, 94 transitions, 875 flow [2021-04-29 00:45:18,362 INFO L129 PetriNetUnfolder]: 1095/3007 cut-off events. [2021-04-29 00:45:18,362 INFO L130 PetriNetUnfolder]: For 5873/6018 co-relation queries the response was YES. [2021-04-29 00:45:18,373 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10916 conditions, 3007 events. 1095/3007 cut-off events. For 5873/6018 co-relation queries the response was YES. Maximal size of possible extension queue 911. Compared 33228 event pairs, 0 based on Foata normal form. 27/1438 useless extension candidates. Maximal degree in co-relation 10875. Up to 1260 conditions per place. [2021-04-29 00:45:18,396 INFO L146 LiptonReduction]: Number of co-enabled transitions 840 [2021-04-29 00:45:18,413 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:45:18,413 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:45:18,413 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 296 [2021-04-29 00:45:18,414 INFO L480 AbstractCegarLoop]: Abstraction has has 101 places, 94 transitions, 875 flow [2021-04-29 00:45:18,415 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 158.42857142857142) internal successors, (1109), 7 states have internal predecessors, (1109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:18,417 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:45:18,417 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:45:18,418 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-04-29 00:45:18,418 INFO L428 AbstractCegarLoop]: === Iteration 21 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:45:18,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:45:18,419 INFO L82 PathProgramCache]: Analyzing trace with hash -497232269, now seen corresponding path program 3 times [2021-04-29 00:45:18,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:45:18,419 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193511770] [2021-04-29 00:45:18,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:45:18,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:45:18,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:18,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:45:18,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:18,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 00:45:18,615 INFO L142 QuantifierPusher]: treesize reduction 10, result has 86.1 percent of original size [2021-04-29 00:45:18,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-04-29 00:45:18,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:18,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 00:45:18,768 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-04-29 00:45:18,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-04-29 00:45:18,918 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 26 [2021-04-29 00:45:18,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:18,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 00:45:18,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:18,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 00:45:19,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:19,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 00:45:19,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:19,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 00:45:19,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:45:19,193 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193511770] [2021-04-29 00:45:19,193 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:45:19,193 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-29 00:45:19,193 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113767916] [2021-04-29 00:45:19,194 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 00:45:19,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:45:19,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 00:45:19,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-04-29 00:45:19,197 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 327 [2021-04-29 00:45:19,199 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 94 transitions, 875 flow. Second operand has 11 states, 11 states have (on average 145.9090909090909) internal successors, (1605), 11 states have internal predecessors, (1605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:19,199 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:45:19,200 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 327 [2021-04-29 00:45:19,200 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:45:19,466 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 28 [2021-04-29 00:45:19,607 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 29 [2021-04-29 00:45:20,766 INFO L129 PetriNetUnfolder]: 1960/5278 cut-off events. [2021-04-29 00:45:20,766 INFO L130 PetriNetUnfolder]: For 14260/14590 co-relation queries the response was YES. [2021-04-29 00:45:20,789 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19593 conditions, 5278 events. 1960/5278 cut-off events. For 14260/14590 co-relation queries the response was YES. Maximal size of possible extension queue 1527. Compared 61654 event pairs, 0 based on Foata normal form. 114/2568 useless extension candidates. Maximal degree in co-relation 19550. Up to 2160 conditions per place. [2021-04-29 00:45:20,795 INFO L132 encePairwiseOnDemand]: 318/327 looper letters, 26 selfloop transitions, 14 changer transitions 12/108 dead transitions. [2021-04-29 00:45:20,795 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 108 transitions, 1171 flow [2021-04-29 00:45:20,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 00:45:20,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 00:45:20,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1336 transitions. [2021-04-29 00:45:20,800 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.453958545701665 [2021-04-29 00:45:20,800 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1336 transitions. [2021-04-29 00:45:20,800 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1336 transitions. [2021-04-29 00:45:20,800 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:45:20,800 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1336 transitions. [2021-04-29 00:45:20,802 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 148.44444444444446) internal successors, (1336), 9 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) [2021-04-29 00:45:20,805 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 327.0) internal successors, (3270), 10 states have internal predecessors, (3270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:20,805 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 327.0) internal successors, (3270), 10 states have internal predecessors, (3270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:20,805 INFO L185 Difference]: Start difference. First operand has 101 places, 94 transitions, 875 flow. Second operand 9 states and 1336 transitions. [2021-04-29 00:45:20,806 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 108 transitions, 1171 flow [2021-04-29 00:45:21,647 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 108 transitions, 1075 flow, removed 27 selfloop flow, removed 9 redundant places. [2021-04-29 00:45:21,649 INFO L241 Difference]: Finished difference. Result has 105 places, 93 transitions, 879 flow [2021-04-29 00:45:21,649 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=327, PETRI_DIFFERENCE_MINUEND_FLOW=801, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=879, PETRI_PLACES=105, PETRI_TRANSITIONS=93} [2021-04-29 00:45:21,650 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -21 predicate places. [2021-04-29 00:45:21,650 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:45:21,650 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 105 places, 93 transitions, 879 flow [2021-04-29 00:45:21,650 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 105 places, 93 transitions, 879 flow [2021-04-29 00:45:21,651 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 104 places, 93 transitions, 879 flow [2021-04-29 00:45:21,821 INFO L129 PetriNetUnfolder]: 709/1987 cut-off events. [2021-04-29 00:45:21,821 INFO L130 PetriNetUnfolder]: For 4791/4889 co-relation queries the response was YES. [2021-04-29 00:45:21,831 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7321 conditions, 1987 events. 709/1987 cut-off events. For 4791/4889 co-relation queries the response was YES. Maximal size of possible extension queue 609. Compared 20234 event pairs, 0 based on Foata normal form. 19/976 useless extension candidates. Maximal degree in co-relation 7279. Up to 810 conditions per place. [2021-04-29 00:45:21,846 INFO L146 LiptonReduction]: Number of co-enabled transitions 738 [2021-04-29 00:45:22,458 INFO L158 LiptonReduction]: Checked pairs total: 26 [2021-04-29 00:45:22,458 INFO L160 LiptonReduction]: Total number of compositions: 2 [2021-04-29 00:45:22,458 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 808 [2021-04-29 00:45:22,459 INFO L480 AbstractCegarLoop]: Abstraction has has 104 places, 94 transitions, 914 flow [2021-04-29 00:45:22,459 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 145.9090909090909) internal successors, (1605), 11 states have internal predecessors, (1605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:22,459 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:45:22,459 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:45:22,460 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-04-29 00:45:22,460 INFO L428 AbstractCegarLoop]: === Iteration 22 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:45:22,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:45:22,460 INFO L82 PathProgramCache]: Analyzing trace with hash -743725247, now seen corresponding path program 4 times [2021-04-29 00:45:22,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:45:22,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832790955] [2021-04-29 00:45:22,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:45:22,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:45:22,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:22,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 00:45:22,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:22,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:45:22,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:45:22,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 00:45:22,657 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-04-29 00:45:22,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 00:45:22,705 INFO L142 QuantifierPusher]: treesize reduction 11, result has 70.3 percent of original size [2021-04-29 00:45:22,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 00:45:22,785 INFO L142 QuantifierPusher]: treesize reduction 6, result has 66.7 percent of original size [2021-04-29 00:45:22,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 00:45:22,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:45:22,826 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832790955] [2021-04-29 00:45:22,827 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:45:22,827 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 00:45:22,827 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475281559] [2021-04-29 00:45:22,827 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 00:45:22,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:45:22,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 00:45:22,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-04-29 00:45:22,831 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 329 [2021-04-29 00:45:22,833 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 94 transitions, 914 flow. Second operand has 8 states, 8 states have (on average 160.25) internal successors, (1282), 8 states have internal predecessors, (1282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:22,833 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:45:22,833 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 329 [2021-04-29 00:45:22,833 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:45:23,602 INFO L129 PetriNetUnfolder]: 816/2244 cut-off events. [2021-04-29 00:45:23,603 INFO L130 PetriNetUnfolder]: For 7126/7271 co-relation queries the response was YES. [2021-04-29 00:45:23,611 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8472 conditions, 2244 events. 816/2244 cut-off events. For 7126/7271 co-relation queries the response was YES. Maximal size of possible extension queue 672. Compared 22483 event pairs, 0 based on Foata normal form. 84/1148 useless extension candidates. Maximal degree in co-relation 8428. Up to 900 conditions per place. [2021-04-29 00:45:23,614 INFO L132 encePairwiseOnDemand]: 320/329 looper letters, 24 selfloop transitions, 6 changer transitions 12/97 dead transitions. [2021-04-29 00:45:23,614 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 97 transitions, 1037 flow [2021-04-29 00:45:23,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 00:45:23,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 00:45:23,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1297 transitions. [2021-04-29 00:45:23,619 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4927811550151976 [2021-04-29 00:45:23,619 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1297 transitions. [2021-04-29 00:45:23,619 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1297 transitions. [2021-04-29 00:45:23,619 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:45:23,620 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1297 transitions. [2021-04-29 00:45:23,621 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 162.125) internal successors, (1297), 8 states have internal predecessors, (1297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:23,623 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 329.0) internal successors, (2961), 9 states have internal predecessors, (2961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:23,623 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 329.0) internal successors, (2961), 9 states have internal predecessors, (2961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:45:23,623 INFO L185 Difference]: Start difference. First operand has 104 places, 94 transitions, 914 flow. Second operand 8 states and 1297 transitions. [2021-04-29 00:45:23,623 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 97 transitions, 1037 flow [2021-04-29 00:45:23,762 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 97 transitions, 976 flow, removed 9 selfloop flow, removed 10 redundant places. [2021-04-29 00:45:23,764 INFO L241 Difference]: Finished difference. Result has 102 places, 85 transitions, 744 flow [2021-04-29 00:45:23,764 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=329, PETRI_DIFFERENCE_MINUEND_FLOW=856, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=744, PETRI_PLACES=102, PETRI_TRANSITIONS=85} [2021-04-29 00:45:23,764 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -24 predicate places. [2021-04-29 00:45:23,764 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:45:23,765 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 102 places, 85 transitions, 744 flow [2021-04-29 00:45:23,765 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 102 places, 85 transitions, 744 flow [2021-04-29 00:45:23,766 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 92 places, 85 transitions, 744 flow [2021-04-29 00:45:23,887 INFO L129 PetriNetUnfolder]: 546/1525 cut-off events. [2021-04-29 00:45:23,887 INFO L130 PetriNetUnfolder]: For 2904/2973 co-relation queries the response was YES. [2021-04-29 00:45:23,893 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5484 conditions, 1525 events. 546/1525 cut-off events. For 2904/2973 co-relation queries the response was YES. Maximal size of possible extension queue 463. Compared 14664 event pairs, 0 based on Foata normal form. 12/735 useless extension candidates. Maximal degree in co-relation 5447. Up to 630 conditions per place. [2021-04-29 00:45:23,902 INFO L146 LiptonReduction]: Number of co-enabled transitions 560 [2021-04-29 00:45:26,180 WARN L205 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 218 DAG size of output: 178 [2021-04-29 00:45:28,439 WARN L205 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 176 DAG size of output: 175 [2021-04-29 00:45:33,317 WARN L205 SmtUtils]: Spent 4.87 s on a formula simplification. DAG size of input: 302 DAG size of output: 258 [2021-04-29 00:45:35,642 WARN L205 SmtUtils]: Spent 2.32 s on a formula simplification that was a NOOP. DAG size: 255 [2021-04-29 00:45:38,317 WARN L205 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 218 DAG size of output: 178 [2021-04-29 00:45:39,522 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 176 [2021-04-29 00:45:44,539 WARN L205 SmtUtils]: Spent 5.01 s on a formula simplification. DAG size of input: 302 DAG size of output: 258 [2021-04-29 00:45:46,833 WARN L205 SmtUtils]: Spent 2.29 s on a formula simplification that was a NOOP. DAG size: 255 [2021-04-29 00:45:49,450 WARN L205 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 218 DAG size of output: 178 [2021-04-29 00:45:50,567 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 176 [2021-04-29 00:45:55,836 WARN L205 SmtUtils]: Spent 5.27 s on a formula simplification. DAG size of input: 302 DAG size of output: 258 [2021-04-29 00:45:58,252 WARN L205 SmtUtils]: Spent 2.41 s on a formula simplification that was a NOOP. DAG size: 255 [2021-04-29 00:46:00,890 WARN L205 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 218 DAG size of output: 177 [2021-04-29 00:46:02,084 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 175 [2021-04-29 00:46:07,442 WARN L205 SmtUtils]: Spent 5.35 s on a formula simplification. DAG size of input: 302 DAG size of output: 258 [2021-04-29 00:46:09,887 WARN L205 SmtUtils]: Spent 2.44 s on a formula simplification that was a NOOP. DAG size: 255 [2021-04-29 00:46:12,657 WARN L205 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 218 DAG size of output: 178 [2021-04-29 00:46:13,883 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 176 [2021-04-29 00:46:19,433 WARN L205 SmtUtils]: Spent 5.55 s on a formula simplification. DAG size of input: 302 DAG size of output: 258 [2021-04-29 00:46:21,964 WARN L205 SmtUtils]: Spent 2.53 s on a formula simplification that was a NOOP. DAG size: 255 [2021-04-29 00:46:21,987 INFO L158 LiptonReduction]: Checked pairs total: 165 [2021-04-29 00:46:21,987 INFO L160 LiptonReduction]: Total number of compositions: 5 [2021-04-29 00:46:21,987 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 58223 [2021-04-29 00:46:21,988 INFO L480 AbstractCegarLoop]: Abstraction has has 92 places, 85 transitions, 744 flow [2021-04-29 00:46:21,989 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 160.25) internal successors, (1282), 8 states have internal predecessors, (1282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:46:21,989 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:46:21,989 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:46:21,989 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-04-29 00:46:21,989 INFO L428 AbstractCegarLoop]: === Iteration 23 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:46:21,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:46:21,990 INFO L82 PathProgramCache]: Analyzing trace with hash -80668540, now seen corresponding path program 1 times [2021-04-29 00:46:21,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:46:21,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95074259] [2021-04-29 00:46:21,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:46:22,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:46:22,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:46:22,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:46:22,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:46:22,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 00:46:22,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:46:22,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 00:46:22,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:46:22,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 00:46:22,392 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 18 [2021-04-29 00:46:22,396 INFO L142 QuantifierPusher]: treesize reduction 15, result has 62.5 percent of original size [2021-04-29 00:46:22,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 00:46:22,511 INFO L142 QuantifierPusher]: treesize reduction 32, result has 51.5 percent of original size [2021-04-29 00:46:22,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 00:46:22,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:46:22,634 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95074259] [2021-04-29 00:46:22,635 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:46:22,635 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 00:46:22,635 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854271699] [2021-04-29 00:46:22,635 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 00:46:22,635 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:46:22,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 00:46:22,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-04-29 00:46:22,638 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 334 [2021-04-29 00:46:22,639 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 85 transitions, 744 flow. Second operand has 8 states, 8 states have (on average 155.25) internal successors, (1242), 8 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:46:22,639 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:46:22,639 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 334 [2021-04-29 00:46:22,640 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:46:22,892 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2021-04-29 00:46:23,283 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2021-04-29 00:46:23,542 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2021-04-29 00:46:24,131 INFO L129 PetriNetUnfolder]: 653/1795 cut-off events. [2021-04-29 00:46:24,131 INFO L130 PetriNetUnfolder]: For 4595/4688 co-relation queries the response was YES. [2021-04-29 00:46:24,137 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6646 conditions, 1795 events. 653/1795 cut-off events. For 4595/4688 co-relation queries the response was YES. Maximal size of possible extension queue 537. Compared 17293 event pairs, 0 based on Foata normal form. 45/904 useless extension candidates. Maximal degree in co-relation 6607. Up to 720 conditions per place. [2021-04-29 00:46:24,140 INFO L132 encePairwiseOnDemand]: 324/334 looper letters, 7 selfloop transitions, 20 changer transitions 7/88 dead transitions. [2021-04-29 00:46:24,140 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 88 transitions, 860 flow [2021-04-29 00:46:24,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 00:46:24,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 00:46:24,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1409 transitions. [2021-04-29 00:46:24,147 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.46872920825016634 [2021-04-29 00:46:24,147 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1409 transitions. [2021-04-29 00:46:24,147 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1409 transitions. [2021-04-29 00:46:24,147 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:46:24,147 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1409 transitions. [2021-04-29 00:46:24,149 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 156.55555555555554) internal successors, (1409), 9 states have internal predecessors, (1409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:46:24,151 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 334.0) internal successors, (3340), 10 states have internal predecessors, (3340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:46:24,152 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 334.0) internal successors, (3340), 10 states have internal predecessors, (3340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:46:24,152 INFO L185 Difference]: Start difference. First operand has 92 places, 85 transitions, 744 flow. Second operand 9 states and 1409 transitions. [2021-04-29 00:46:24,152 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 88 transitions, 860 flow [2021-04-29 00:46:24,241 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 88 transitions, 810 flow, removed 8 selfloop flow, removed 12 redundant places. [2021-04-29 00:46:24,243 INFO L241 Difference]: Finished difference. Result has 88 places, 81 transitions, 700 flow [2021-04-29 00:46:24,243 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=334, PETRI_DIFFERENCE_MINUEND_FLOW=696, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=700, PETRI_PLACES=88, PETRI_TRANSITIONS=81} [2021-04-29 00:46:24,243 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -38 predicate places. [2021-04-29 00:46:24,244 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:46:24,244 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 81 transitions, 700 flow [2021-04-29 00:46:24,244 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 81 transitions, 700 flow [2021-04-29 00:46:24,245 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 87 places, 81 transitions, 700 flow [2021-04-29 00:46:24,331 INFO L129 PetriNetUnfolder]: 383/1096 cut-off events. [2021-04-29 00:46:24,331 INFO L130 PetriNetUnfolder]: For 2000/2059 co-relation queries the response was YES. [2021-04-29 00:46:24,334 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3937 conditions, 1096 events. 383/1096 cut-off events. For 2000/2059 co-relation queries the response was YES. Maximal size of possible extension queue 321. Compared 9925 event pairs, 0 based on Foata normal form. 11/542 useless extension candidates. Maximal degree in co-relation 3906. Up to 450 conditions per place. [2021-04-29 00:46:24,340 INFO L146 LiptonReduction]: Number of co-enabled transitions 384 [2021-04-29 00:46:24,344 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:46:24,344 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:46:24,344 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 100 [2021-04-29 00:46:24,345 INFO L480 AbstractCegarLoop]: Abstraction has has 87 places, 81 transitions, 700 flow [2021-04-29 00:46:24,345 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 155.25) internal successors, (1242), 8 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:46:24,345 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:46:24,345 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:46:24,346 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-04-29 00:46:24,346 INFO L428 AbstractCegarLoop]: === Iteration 24 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:46:24,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:46:24,346 INFO L82 PathProgramCache]: Analyzing trace with hash -1638413233, now seen corresponding path program 1 times [2021-04-29 00:46:24,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:46:24,346 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418668801] [2021-04-29 00:46:24,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:46:24,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:46:24,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:46:24,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 00:46:24,465 INFO L142 QuantifierPusher]: treesize reduction 15, result has 75.8 percent of original size [2021-04-29 00:46:24,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 00:46:24,542 INFO L142 QuantifierPusher]: treesize reduction 15, result has 76.9 percent of original size [2021-04-29 00:46:24,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-04-29 00:46:24,631 INFO L142 QuantifierPusher]: treesize reduction 7, result has 75.9 percent of original size [2021-04-29 00:46:24,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 00:46:24,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:46:24,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 00:46:24,863 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 15 [2021-04-29 00:46:24,866 INFO L142 QuantifierPusher]: treesize reduction 6, result has 66.7 percent of original size [2021-04-29 00:46:24,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 00:46:24,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:46:24,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418668801] [2021-04-29 00:46:24,926 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:46:24,926 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 00:46:24,926 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993393896] [2021-04-29 00:46:24,926 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 00:46:24,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:46:24,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 00:46:24,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-04-29 00:46:24,929 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 334 [2021-04-29 00:46:24,930 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 81 transitions, 700 flow. Second operand has 8 states, 8 states have (on average 157.25) internal successors, (1258), 8 states have internal predecessors, (1258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:46:24,930 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:46:24,930 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 334 [2021-04-29 00:46:24,930 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:46:25,336 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 16 [2021-04-29 00:46:25,590 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 23 [2021-04-29 00:46:26,189 INFO L129 PetriNetUnfolder]: 544/1485 cut-off events. [2021-04-29 00:46:26,190 INFO L130 PetriNetUnfolder]: For 3592/3692 co-relation queries the response was YES. [2021-04-29 00:46:26,194 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5483 conditions, 1485 events. 544/1485 cut-off events. For 3592/3692 co-relation queries the response was YES. Maximal size of possible extension queue 453. Compared 13870 event pairs, 0 based on Foata normal form. 70/755 useless extension candidates. Maximal degree in co-relation 5450. Up to 630 conditions per place. [2021-04-29 00:46:26,196 INFO L132 encePairwiseOnDemand]: 324/334 looper letters, 6 selfloop transitions, 6 changer transitions 24/84 dead transitions. [2021-04-29 00:46:26,196 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 84 transitions, 800 flow [2021-04-29 00:46:26,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 00:46:26,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 00:46:26,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1428 transitions. [2021-04-29 00:46:26,204 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4750499001996008 [2021-04-29 00:46:26,204 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1428 transitions. [2021-04-29 00:46:26,204 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1428 transitions. [2021-04-29 00:46:26,204 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:46:26,205 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1428 transitions. [2021-04-29 00:46:26,207 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 158.66666666666666) internal successors, (1428), 9 states have internal predecessors, (1428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:46:26,210 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 334.0) internal successors, (3340), 10 states have internal predecessors, (3340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:46:26,210 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 334.0) internal successors, (3340), 10 states have internal predecessors, (3340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:46:26,211 INFO L185 Difference]: Start difference. First operand has 87 places, 81 transitions, 700 flow. Second operand 9 states and 1428 transitions. [2021-04-29 00:46:26,211 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 84 transitions, 800 flow [2021-04-29 00:46:26,279 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 84 transitions, 692 flow, removed 11 selfloop flow, removed 14 redundant places. [2021-04-29 00:46:26,280 INFO L241 Difference]: Finished difference. Result has 82 places, 60 transitions, 410 flow [2021-04-29 00:46:26,281 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=334, PETRI_DIFFERENCE_MINUEND_FLOW=598, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=410, PETRI_PLACES=82, PETRI_TRANSITIONS=60} [2021-04-29 00:46:26,281 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -44 predicate places. [2021-04-29 00:46:26,281 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:46:26,281 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 60 transitions, 410 flow [2021-04-29 00:46:26,281 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 60 transitions, 410 flow [2021-04-29 00:46:26,282 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 76 places, 60 transitions, 410 flow [2021-04-29 00:46:26,330 INFO L129 PetriNetUnfolder]: 127/409 cut-off events. [2021-04-29 00:46:26,331 INFO L130 PetriNetUnfolder]: For 989/1020 co-relation queries the response was YES. [2021-04-29 00:46:26,332 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1451 conditions, 409 events. 127/409 cut-off events. For 989/1020 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 3193 event pairs, 0 based on Foata normal form. 4/220 useless extension candidates. Maximal degree in co-relation 1425. Up to 145 conditions per place. [2021-04-29 00:46:26,333 INFO L146 LiptonReduction]: Number of co-enabled transitions 180 [2021-04-29 00:46:26,337 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:46:26,337 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:46:26,338 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 57 [2021-04-29 00:46:26,338 INFO L480 AbstractCegarLoop]: Abstraction has has 76 places, 60 transitions, 410 flow [2021-04-29 00:46:26,339 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 157.25) internal successors, (1258), 8 states have internal predecessors, (1258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:46:26,339 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:46:26,339 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:46:26,339 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-04-29 00:46:26,339 INFO L428 AbstractCegarLoop]: === Iteration 25 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:46:26,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:46:26,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1867883077, now seen corresponding path program 1 times [2021-04-29 00:46:26,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:46:26,340 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476142961] [2021-04-29 00:46:26,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:46:26,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-29 00:46:26,416 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-29 00:46:26,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-29 00:46:26,488 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-29 00:46:26,534 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-29 00:46:26,535 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-29 00:46:26,535 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-04-29 00:46:26,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.04 12:46:26 BasicIcfg [2021-04-29 00:46:26,650 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-29 00:46:26,651 INFO L168 Benchmark]: Toolchain (without parser) took 225746.84 ms. Allocated memory was 302.0 MB in the beginning and 1.1 GB in the end (delta: 801.1 MB). Free memory was 276.8 MB in the beginning and 907.6 MB in the end (delta: -630.8 MB). Peak memory consumption was 173.2 MB. Max. memory is 16.0 GB. [2021-04-29 00:46:26,651 INFO L168 Benchmark]: CDTParser took 0.96 ms. Allocated memory is still 302.0 MB. Free memory was 271.8 MB in the beginning and 271.7 MB in the end (delta: 153.8 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 00:46:26,651 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1044.99 ms. Allocated memory is still 302.0 MB. Free memory was 273.8 MB in the beginning and 274.8 MB in the end (delta: -1.1 MB). Peak memory consumption was 34.2 MB. Max. memory is 16.0 GB. [2021-04-29 00:46:26,652 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.64 ms. Allocated memory is still 302.0 MB. Free memory was 274.8 MB in the beginning and 271.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-29 00:46:26,652 INFO L168 Benchmark]: Boogie Preprocessor took 56.08 ms. Allocated memory is still 302.0 MB. Free memory was 271.7 MB in the beginning and 268.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-04-29 00:46:26,652 INFO L168 Benchmark]: RCFGBuilder took 4409.56 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 268.5 MB in the beginning and 273.6 MB in the end (delta: -5.0 MB). Peak memory consumption was 197.3 MB. Max. memory is 16.0 GB. [2021-04-29 00:46:26,652 INFO L168 Benchmark]: TraceAbstraction took 220084.80 ms. Allocated memory was 362.8 MB in the beginning and 1.1 GB in the end (delta: 740.3 MB). Free memory was 273.6 MB in the beginning and 907.6 MB in the end (delta: -634.0 MB). Peak memory consumption was 107.3 MB. Max. memory is 16.0 GB. [2021-04-29 00:46:26,654 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.96 ms. Allocated memory is still 302.0 MB. Free memory was 271.8 MB in the beginning and 271.7 MB in the end (delta: 153.8 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 1044.99 ms. Allocated memory is still 302.0 MB. Free memory was 273.8 MB in the beginning and 274.8 MB in the end (delta: -1.1 MB). Peak memory consumption was 34.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 98.64 ms. Allocated memory is still 302.0 MB. Free memory was 274.8 MB in the beginning and 271.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 56.08 ms. Allocated memory is still 302.0 MB. Free memory was 271.7 MB in the beginning and 268.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * RCFGBuilder took 4409.56 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 268.5 MB in the beginning and 273.6 MB in the end (delta: -5.0 MB). Peak memory consumption was 197.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 220084.80 ms. Allocated memory was 362.8 MB in the beginning and 1.1 GB in the end (delta: 740.3 MB). Free memory was 273.6 MB in the beginning and 907.6 MB in the end (delta: -634.0 MB). Peak memory consumption was 107.3 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 97293.9ms, 102 PlacesBefore, 126 PlacesAfterwards, 94 TransitionsBefore, 118 TransitionsAfterwards, 1668 CoEnabledTransitionPairs, 9 FixpointIterations, 160 TrivialSequentialCompositions, 67 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 228 TotalNumberOfCompositions, 15353 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3033, positive: 2748, positive conditional: 2748, positive unconditional: 0, negative: 285, negative conditional: 285, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1572, positive: 1510, positive conditional: 0, positive unconditional: 1510, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1572, positive: 1510, positive conditional: 0, positive unconditional: 1510, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1572, positive: 1492, positive conditional: 0, positive unconditional: 1492, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 80, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1906, positive: 96, positive conditional: 0, positive unconditional: 96, negative: 1810, negative conditional: 0, negative unconditional: 1810, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3033, positive: 1238, positive conditional: 1238, positive unconditional: 0, negative: 223, negative conditional: 223, negative unconditional: 0, unknown: 1572, unknown conditional: 1572, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1572, Positive cache size: 1510, Positive conditional cache size: 1510, Positive unconditional cache size: 0, Negative cache size: 62, Negative conditional cache size: 62, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 165.2ms, 122 PlacesBefore, 50 PlacesAfterwards, 41 TransitionsBefore, 41 TransitionsAfterwards, 932 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 904 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 102, positive: 70, positive conditional: 70, positive unconditional: 0, negative: 32, negative conditional: 32, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 24, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 24, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 9, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 150, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 145, negative conditional: 0, negative unconditional: 145, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 102, positive: 54, positive conditional: 54, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 24, unknown conditional: 24, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1596, Positive cache size: 1526, Positive conditional cache size: 1526, Positive unconditional cache size: 0, Negative cache size: 70, Negative conditional cache size: 70, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 444.2ms, 51 PlacesBefore, 39 PlacesAfterwards, 29 TransitionsBefore, 29 TransitionsAfterwards, 456 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 564 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 185, positive: 154, positive conditional: 154, positive unconditional: 0, negative: 31, negative conditional: 31, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 75, positive: 68, positive conditional: 10, positive unconditional: 58, negative: 7, negative conditional: 1, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 75, positive: 68, positive conditional: 10, positive unconditional: 58, negative: 7, negative conditional: 1, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 75, positive: 46, positive conditional: 0, positive unconditional: 46, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 29, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 7, negative conditional: 1, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 427, positive: 106, positive conditional: 0, positive unconditional: 106, negative: 321, negative conditional: 92, negative unconditional: 229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 185, positive: 86, positive conditional: 86, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 75, unknown conditional: 75, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1671, Positive cache size: 1594, Positive conditional cache size: 1594, Positive unconditional cache size: 0, Negative cache size: 77, Negative conditional cache size: 77, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 120.2ms, 40 PlacesBefore, 40 PlacesAfterwards, 31 TransitionsBefore, 31 TransitionsAfterwards, 486 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 516 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 163, positive: 136, positive conditional: 136, positive unconditional: 0, negative: 27, negative conditional: 27, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25, positive: 24, positive conditional: 3, positive unconditional: 21, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 25, positive: 24, positive conditional: 3, positive unconditional: 21, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 25, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 70, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 163, positive: 112, positive conditional: 112, positive unconditional: 0, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 25, unknown conditional: 25, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1696, Positive cache size: 1618, Positive conditional cache size: 1618, Positive unconditional cache size: 0, Negative cache size: 78, Negative conditional cache size: 78, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 592.7ms, 52 PlacesBefore, 52 PlacesAfterwards, 48 TransitionsBefore, 48 TransitionsAfterwards, 742 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 117 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 15, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12, positive: 10, positive conditional: 8, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 12, positive: 10, positive conditional: 8, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 12, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 536, positive: 447, positive conditional: 447, positive unconditional: 0, negative: 89, negative conditional: 0, negative unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 15, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1708, Positive cache size: 1628, Positive conditional cache size: 1628, Positive unconditional cache size: 0, Negative cache size: 80, Negative conditional cache size: 80, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 748.5ms, 62 PlacesBefore, 62 PlacesAfterwards, 62 TransitionsBefore, 62 TransitionsAfterwards, 900 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 159 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 25, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22, positive: 20, positive conditional: 17, positive unconditional: 3, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 22, positive: 20, positive conditional: 17, positive unconditional: 3, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 22, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 12, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 670, positive: 528, positive conditional: 528, positive unconditional: 0, negative: 141, negative conditional: 0, negative unconditional: 141, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 25, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1730, Positive cache size: 1648, Positive conditional cache size: 1648, Positive unconditional cache size: 0, Negative cache size: 82, Negative conditional cache size: 82, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 612.7ms, 65 PlacesBefore, 65 PlacesAfterwards, 65 TransitionsBefore, 65 TransitionsAfterwards, 938 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 168 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 30, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17, positive: 15, positive conditional: 12, positive unconditional: 3, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 17, positive: 15, positive conditional: 12, positive unconditional: 3, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 17, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 12, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 532, positive: 444, positive conditional: 444, positive unconditional: 0, negative: 87, negative conditional: 0, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 30, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1747, Positive cache size: 1663, Positive conditional cache size: 1663, Positive unconditional cache size: 0, Negative cache size: 84, Negative conditional cache size: 84, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2596.6ms, 68 PlacesBefore, 68 PlacesAfterwards, 85 TransitionsBefore, 85 TransitionsAfterwards, 1192 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 228 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 70, positive: 67, positive conditional: 67, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 57, positive: 55, positive conditional: 54, positive unconditional: 1, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 57, positive: 55, positive conditional: 54, positive unconditional: 1, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 57, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 42, positive: 40, positive conditional: 40, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2467, positive: 2436, positive conditional: 2436, positive unconditional: 0, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 70, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 57, unknown conditional: 57, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1804, Positive cache size: 1718, Positive conditional cache size: 1718, Positive unconditional cache size: 0, Negative cache size: 86, Negative conditional cache size: 86, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 239.4ms, 80 PlacesBefore, 80 PlacesAfterwards, 133 TransitionsBefore, 133 TransitionsAfterwards, 1626 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 728 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 144, positive: 136, positive conditional: 136, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 9, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 9, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 144, positive: 126, positive conditional: 126, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 10, unknown conditional: 10, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1814, Positive cache size: 1728, Positive conditional cache size: 1728, Positive unconditional cache size: 0, Negative cache size: 86, Negative conditional cache size: 86, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 295.0ms, 88 PlacesBefore, 88 PlacesAfterwards, 144 TransitionsBefore, 144 TransitionsAfterwards, 1708 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 760 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 176, positive: 168, positive conditional: 168, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 11, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 11, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 176, positive: 157, positive conditional: 157, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 11, unknown conditional: 11, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1825, Positive cache size: 1739, Positive conditional cache size: 1739, Positive unconditional cache size: 0, Negative cache size: 86, Negative conditional cache size: 86, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 281.1ms, 90 PlacesBefore, 88 PlacesAfterwards, 105 TransitionsBefore, 105 TransitionsAfterwards, 1140 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 536 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 104, positive: 96, positive conditional: 96, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 104, positive: 95, positive conditional: 95, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1826, Positive cache size: 1740, Positive conditional cache size: 1740, Positive unconditional cache size: 0, Negative cache size: 86, Negative conditional cache size: 86, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 219.9ms, 95 PlacesBefore, 95 PlacesAfterwards, 110 TransitionsBefore, 110 TransitionsAfterwards, 1112 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 560 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 136, positive: 128, positive conditional: 128, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 12, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 12, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 136, positive: 116, positive conditional: 116, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1838, Positive cache size: 1752, Positive conditional cache size: 1752, Positive unconditional cache size: 0, Negative cache size: 86, Negative conditional cache size: 86, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 217.6ms, 102 PlacesBefore, 102 PlacesAfterwards, 130 TransitionsBefore, 130 TransitionsAfterwards, 1282 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 781 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 209, positive: 198, positive conditional: 198, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11, positive: 11, positive conditional: 10, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 11, positive: 11, positive conditional: 10, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 11, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 209, positive: 187, positive conditional: 187, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 11, unknown conditional: 11, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1849, Positive cache size: 1763, Positive conditional cache size: 1763, Positive unconditional cache size: 0, Negative cache size: 86, Negative conditional cache size: 86, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 204.4ms, 109 PlacesBefore, 109 PlacesAfterwards, 126 TransitionsBefore, 126 TransitionsAfterwards, 1202 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 704 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 132, positive: 121, positive conditional: 121, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 132, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1853, Positive cache size: 1767, Positive conditional cache size: 1767, Positive unconditional cache size: 0, Negative cache size: 86, Negative conditional cache size: 86, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11806.0ms, 102 PlacesBefore, 102 PlacesAfterwards, 111 TransitionsBefore, 112 TransitionsAfterwards, 1120 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1858, Positive cache size: 1772, Positive conditional cache size: 1772, Positive unconditional cache size: 0, Negative cache size: 86, Negative conditional cache size: 86, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 693.6ms, 103 PlacesBefore, 102 PlacesAfterwards, 114 TransitionsBefore, 114 TransitionsAfterwards, 1156 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1858, Positive cache size: 1772, Positive conditional cache size: 1772, Positive unconditional cache size: 0, Negative cache size: 86, Negative conditional cache size: 86, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8849.6ms, 106 PlacesBefore, 106 PlacesAfterwards, 108 TransitionsBefore, 109 TransitionsAfterwards, 1062 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1863, Positive cache size: 1777, Positive conditional cache size: 1777, Positive unconditional cache size: 0, Negative cache size: 86, Negative conditional cache size: 86, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 421.1ms, 106 PlacesBefore, 104 PlacesAfterwards, 102 TransitionsBefore, 102 TransitionsAfterwards, 918 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1863, Positive cache size: 1777, Positive conditional cache size: 1777, Positive unconditional cache size: 0, Negative cache size: 86, Negative conditional cache size: 86, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 357.6ms, 106 PlacesBefore, 100 PlacesAfterwards, 99 TransitionsBefore, 99 TransitionsAfterwards, 896 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1863, Positive cache size: 1777, Positive conditional cache size: 1777, Positive unconditional cache size: 0, Negative cache size: 86, Negative conditional cache size: 86, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 406.6ms, 103 PlacesBefore, 102 PlacesAfterwards, 104 TransitionsBefore, 104 TransitionsAfterwards, 1056 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1863, Positive cache size: 1777, Positive conditional cache size: 1777, Positive unconditional cache size: 0, Negative cache size: 86, Negative conditional cache size: 86, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 295.9ms, 107 PlacesBefore, 101 PlacesAfterwards, 94 TransitionsBefore, 94 TransitionsAfterwards, 840 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1863, Positive cache size: 1777, Positive conditional cache size: 1777, Positive unconditional cache size: 0, Negative cache size: 86, Negative conditional cache size: 86, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 807.7ms, 105 PlacesBefore, 104 PlacesAfterwards, 93 TransitionsBefore, 94 TransitionsAfterwards, 738 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 26 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 26, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 13, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 13, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 26, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1876, Positive cache size: 1790, Positive conditional cache size: 1790, Positive unconditional cache size: 0, Negative cache size: 86, Negative conditional cache size: 86, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 58222.5ms, 102 PlacesBefore, 92 PlacesAfterwards, 85 TransitionsBefore, 85 TransitionsAfterwards, 560 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 5 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 5 TotalNumberOfCompositions, 165 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 165, positive: 165, positive conditional: 165, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 33, positive: 33, positive conditional: 33, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 33, positive: 33, positive conditional: 33, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 33, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 165, positive: 132, positive conditional: 132, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 33, unknown conditional: 33, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1909, Positive cache size: 1823, Positive conditional cache size: 1823, Positive unconditional cache size: 0, Negative cache size: 86, Negative conditional cache size: 86, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 100.0ms, 88 PlacesBefore, 87 PlacesAfterwards, 81 TransitionsBefore, 81 TransitionsAfterwards, 384 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1909, Positive cache size: 1823, Positive conditional cache size: 1823, Positive unconditional cache size: 0, Negative cache size: 86, Negative conditional cache size: 86, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 56.1ms, 82 PlacesBefore, 76 PlacesAfterwards, 60 TransitionsBefore, 60 TransitionsAfterwards, 180 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1909, Positive cache size: 1823, Positive conditional cache size: 1823, Positive unconditional cache size: 0, Negative cache size: 86, Negative conditional cache size: 86, Negative unconditional cache size: 0 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p1_EAX = 0; [L715] 0 _Bool main$tmp_guard0; [L716] 0 _Bool main$tmp_guard1; [L718] 0 int x = 0; [L719] 0 _Bool x$flush_delayed; [L720] 0 int x$mem_tmp; [L721] 0 _Bool x$r_buff0_thd0; [L722] 0 _Bool x$r_buff0_thd1; [L723] 0 _Bool x$r_buff0_thd2; [L724] 0 _Bool x$r_buff0_thd3; [L725] 0 _Bool x$r_buff1_thd0; [L726] 0 _Bool x$r_buff1_thd1; [L727] 0 _Bool x$r_buff1_thd2; [L728] 0 _Bool x$r_buff1_thd3; [L729] 0 _Bool x$read_delayed; [L730] 0 int *x$read_delayed_var; [L731] 0 int x$w_buff0; [L732] 0 _Bool x$w_buff0_used; [L733] 0 int x$w_buff1; [L734] 0 _Bool x$w_buff1_used; [L736] 0 int y = 0; [L737] 0 _Bool weak$$choice0; [L738] 0 _Bool weak$$choice2; [L849] 0 pthread_t t2546; [L850] FCALL, FORK 0 pthread_create(&t2546, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L851] 0 pthread_t t2547; [L852] FCALL, FORK 0 pthread_create(&t2547, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L853] 0 pthread_t t2548; [L854] FCALL, FORK 0 pthread_create(&t2548, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L812] 3 x$w_buff1 = x$w_buff0 [L813] 3 x$w_buff0 = 2 [L814] 3 x$w_buff1_used = x$w_buff0_used [L815] 3 x$w_buff0_used = (_Bool)1 [L19] COND FALSE 3 !(!expression) [L817] 3 x$r_buff1_thd0 = x$r_buff0_thd0 [L818] 3 x$r_buff1_thd1 = x$r_buff0_thd1 [L819] 3 x$r_buff1_thd2 = x$r_buff0_thd2 [L820] 3 x$r_buff1_thd3 = x$r_buff0_thd3 [L821] 3 x$r_buff0_thd3 = (_Bool)1 [L824] 3 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L742] 1 y = 2 [L747] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L748] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L749] 1 x$flush_delayed = weak$$choice2 [L750] 1 x$mem_tmp = x [L751] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L751] 1 x = !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L752] EXPR 1 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L752] 1 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L753] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L753] 1 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L754] EXPR 1 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L754] 1 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L755] EXPR 1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L755] 1 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L756] EXPR 1 weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L756] 1 x$r_buff0_thd1 = weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L757] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L757] 1 x$r_buff1_thd1 = weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L758] 1 __unbuffered_p0_EAX = x [L759] EXPR 1 x$flush_delayed ? x$mem_tmp : x [L759] 1 x = x$flush_delayed ? x$mem_tmp : x [L760] 1 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=52, weak$$choice2=255, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L765] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=52, weak$$choice2=255, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L772] 2 x = 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=52, weak$$choice2=255, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L775] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L775] EXPR 2 x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x [L775] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L775] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L776] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L776] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L777] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L777] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L778] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L778] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L779] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L779] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L782] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L783] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L784] 2 x$flush_delayed = weak$$choice2 [L785] 2 x$mem_tmp = x [L786] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1) [L786] 2 x = !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1) [L787] EXPR 2 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)) [L787] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0) [L787] EXPR 2 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)) [L787] 2 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)) [L788] EXPR 2 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)) [L788] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1) [L788] EXPR 2 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)) [L788] 2 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)) [L789] EXPR 2 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used)) [L789] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used) [L789] EXPR 2 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used)) [L789] 2 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used)) [L790] EXPR 2 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L790] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L790] EXPR 2 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L790] 2 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L791] EXPR 2 weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2)) [L791] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2) [L791] EXPR 2 weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2)) [L791] 2 x$r_buff0_thd2 = weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2)) [L792] EXPR 2 weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L792] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L792] EXPR 2 weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L792] 2 x$r_buff1_thd2 = weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L793] 2 __unbuffered_p1_EAX = x [L794] EXPR 2 x$flush_delayed ? x$mem_tmp : x [L794] 2 x = x$flush_delayed ? x$mem_tmp : x [L795] 2 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=55, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=1, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L798] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L798] EXPR 2 x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x [L798] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L798] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L799] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L799] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L800] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L800] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L801] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L801] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L802] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L802] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L827] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L827] 3 x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L828] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L828] 3 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L829] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L829] 3 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L830] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L830] 3 x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L831] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L831] 3 x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L834] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=55, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=1, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L805] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L807] 2 return 0; [L856] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L4] COND FALSE 0 !(!cond) [L860] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L860] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L860] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L860] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L861] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L861] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L862] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L862] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L863] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L863] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L864] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L864] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L867] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L868] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L869] 0 x$flush_delayed = weak$$choice2 [L870] 0 x$mem_tmp = x [L871] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L871] 0 x = !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L872] EXPR 0 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L872] 0 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L873] EXPR 0 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L873] 0 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L874] EXPR 0 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L874] 0 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L875] EXPR 0 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L875] 0 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L876] EXPR 0 weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L876] 0 x$r_buff0_thd0 = weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L877] EXPR 0 weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L877] 0 x$r_buff1_thd0 = weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L878] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 1) [L879] EXPR 0 x$flush_delayed ? x$mem_tmp : x [L879] 0 x = x$flush_delayed ? x$mem_tmp : x [L880] 0 x$flush_delayed = (_Bool)0 [L19] COND TRUE 0 !expression [L19] 0 reach_error() VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 96 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 32.1ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 219731.4ms, OverallIterations: 25, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 25567.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 97492.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 115 SDtfs, 111 SDslu, 58 SDs, 0 SdLazy, 1359 SolverSat, 534 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4813.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 183 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 172 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 196 ImplicationChecksByTransitivity, 7759.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1958occurred in iteration=13, InterpolantAutomatonStates: 170, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 139.7ms SsaConstructionTime, 1211.2ms SatisfiabilityAnalysisTime, 5925.9ms InterpolantComputationTime, 410 NumberOfCodeBlocks, 410 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 367 ConstructedInterpolants, 0 QuantifiedInterpolants, 3946 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 24 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...