/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/mix038_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 00:16:46,081 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 00:16:46,084 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 00:16:46,124 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-26 00:16:46,188 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 00:16:46,189 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 00:16:46,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 00:16:46,190 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 [2021-03-26 00:16:46,230 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 00:16:46,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 00:16:46,234 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 00:16:46,235 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 00:16:46,235 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 00:16:46,235 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 00:16:46,235 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 00:16:46,235 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 00:16:46,235 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 00:16:46,236 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 00:16:46,236 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 00:16:46,237 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 00:16:46,237 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 00:16:46,237 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 00:16:46,237 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 00:16:46,237 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 00:16:46,237 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 00:16:46,238 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 00:16:46,238 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 00:16:46,238 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 00:16:46,238 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 00:16:46,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 00:16:46,238 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 00:16:46,239 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 00:16:46,239 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 00:16:46,239 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 00:16:46,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 00:16:46,239 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-03-26 00:16:46,239 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 00:16:46,239 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 00:16:46,239 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 00:16:46,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 00:16:46,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 00:16:46,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 00:16:46,552 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-26 00:16:46,553 INFO L275 PluginConnector]: CDTParser initialized [2021-03-26 00:16:46,554 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix038_tso.oepc.i [2021-03-26 00:16:46,624 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/560e76f7a/a4aca5d713914864809b57d36c73a6a3/FLAG912ac8585 [2021-03-26 00:16:47,157 INFO L306 CDTParser]: Found 1 translation units. [2021-03-26 00:16:47,158 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix038_tso.oepc.i [2021-03-26 00:16:47,173 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/560e76f7a/a4aca5d713914864809b57d36c73a6a3/FLAG912ac8585 [2021-03-26 00:16:47,487 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/560e76f7a/a4aca5d713914864809b57d36c73a6a3 [2021-03-26 00:16:47,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 00:16:47,491 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-26 00:16:47,494 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-26 00:16:47,494 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-26 00:16:47,497 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-26 00:16:47,498 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 12:16:47" (1/1) ... [2021-03-26 00:16:47,500 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42e45c7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:16:47, skipping insertion in model container [2021-03-26 00:16:47,500 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 12:16:47" (1/1) ... [2021-03-26 00:16:47,506 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-26 00:16:47,555 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-26 00:16:47,671 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/mix038_tso.oepc.i[949,962] [2021-03-26 00:16:47,893 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 00:16:47,900 INFO L203 MainTranslator]: Completed pre-run [2021-03-26 00:16:47,909 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/mix038_tso.oepc.i[949,962] [2021-03-26 00:16:47,941 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 00:16:48,000 INFO L208 MainTranslator]: Completed translation [2021-03-26 00:16:48,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:16:48 WrapperNode [2021-03-26 00:16:48,002 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-26 00:16:48,003 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 00:16:48,004 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 00:16:48,004 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 00:16:48,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:16:48" (1/1) ... [2021-03-26 00:16:48,047 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:16:48" (1/1) ... [2021-03-26 00:16:48,081 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 00:16:48,081 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 00:16:48,082 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 00:16:48,082 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 00:16:48,089 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:16:48" (1/1) ... [2021-03-26 00:16:48,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:16:48" (1/1) ... [2021-03-26 00:16:48,092 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:16:48" (1/1) ... [2021-03-26 00:16:48,092 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:16:48" (1/1) ... [2021-03-26 00:16:48,099 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:16:48" (1/1) ... [2021-03-26 00:16:48,102 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:16:48" (1/1) ... [2021-03-26 00:16:48,104 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:16:48" (1/1) ... [2021-03-26 00:16:48,107 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 00:16:48,108 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 00:16:48,108 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 00:16:48,108 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 00:16:48,109 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:16:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 00:16:48,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-26 00:16:48,187 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-26 00:16:48,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-26 00:16:48,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-26 00:16:48,188 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-26 00:16:48,188 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-26 00:16:48,188 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-26 00:16:48,188 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-26 00:16:48,189 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-26 00:16:48,189 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-26 00:16:48,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-26 00:16:48,189 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-26 00:16:48,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 00:16:48,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 00:16:48,191 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-26 00:16:50,155 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 00:16:50,155 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-26 00:16:50,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 12:16:50 BoogieIcfgContainer [2021-03-26 00:16:50,158 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 00:16:50,160 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 00:16:50,160 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 00:16:50,162 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 00:16:50,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.03 12:16:47" (1/3) ... [2021-03-26 00:16:50,163 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9c91a91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 12:16:50, skipping insertion in model container [2021-03-26 00:16:50,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:16:48" (2/3) ... [2021-03-26 00:16:50,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9c91a91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 12:16:50, skipping insertion in model container [2021-03-26 00:16:50,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 12:16:50" (3/3) ... [2021-03-26 00:16:50,165 INFO L111 eAbstractionObserver]: Analyzing ICFG mix038_tso.oepc.i [2021-03-26 00:16:50,171 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 00:16:50,175 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-26 00:16:50,176 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 00:16:50,209 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,209 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,209 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,210 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,210 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,210 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,210 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,210 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,210 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,210 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,210 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,211 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,211 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,211 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,211 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,211 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,211 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,211 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,211 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,212 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,212 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,212 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,212 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,213 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,213 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,213 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,215 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,216 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,216 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,216 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,216 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,216 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,216 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,217 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,217 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,217 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,217 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,217 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,217 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,218 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,218 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,218 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,218 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,218 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,218 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,218 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,218 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,219 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,219 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,219 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,219 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,219 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,219 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,220 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,220 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,220 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,221 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,221 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,222 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,222 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,222 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,222 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,222 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,222 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,222 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,222 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,223 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,223 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,223 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,223 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,223 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,223 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,224 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,224 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,224 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,225 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,225 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,225 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,225 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,225 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,226 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,226 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,226 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,226 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,226 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,227 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,228 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,229 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,229 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,229 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,229 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,229 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,229 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,230 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,230 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,230 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,231 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,232 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,233 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,235 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,235 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,236 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,236 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,241 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,241 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,242 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,242 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,242 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,244 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,244 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,244 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,244 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,244 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,244 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,244 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,244 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,244 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,244 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:16:50,245 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-26 00:16:50,262 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-26 00:16:50,287 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 00:16:50,287 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 00:16:50,287 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 00:16:50,287 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 00:16:50,287 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 00:16:50,287 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 00:16:50,287 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 00:16:50,287 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 00:16:50,301 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 110 places, 102 transitions, 219 flow [2021-03-26 00:16:50,345 INFO L129 PetriNetUnfolder]: 2/99 cut-off events. [2021-03-26 00:16:50,345 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:16:50,355 INFO L84 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 99 events. 2/99 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 75 event pairs, 0 based on Foata normal form. 0/95 useless extension candidates. Maximal degree in co-relation 63. Up to 2 conditions per place. [2021-03-26 00:16:50,355 INFO L82 GeneralOperation]: Start removeDead. Operand has 110 places, 102 transitions, 219 flow [2021-03-26 00:16:50,362 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 107 places, 99 transitions, 207 flow [2021-03-26 00:16:50,364 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:16:50,375 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 107 places, 99 transitions, 207 flow [2021-03-26 00:16:50,378 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 107 places, 99 transitions, 207 flow [2021-03-26 00:16:50,381 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 107 places, 99 transitions, 207 flow [2021-03-26 00:16:50,408 INFO L129 PetriNetUnfolder]: 2/99 cut-off events. [2021-03-26 00:16:50,408 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:16:50,410 INFO L84 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 99 events. 2/99 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 76 event pairs, 0 based on Foata normal form. 0/95 useless extension candidates. Maximal degree in co-relation 63. Up to 2 conditions per place. [2021-03-26 00:16:50,413 INFO L142 LiptonReduction]: Number of co-enabled transitions 1854 [2021-03-26 00:16:51,856 WARN L205 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 189 [2021-03-26 00:16:52,438 WARN L205 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2021-03-26 00:16:53,905 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 313 DAG size of output: 268 [2021-03-26 00:16:54,477 WARN L205 SmtUtils]: Spent 570.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-03-26 00:16:55,290 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-26 00:16:55,659 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-03-26 00:16:55,779 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-03-26 00:16:57,107 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-03-26 00:16:57,407 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-03-26 00:16:58,099 WARN L205 SmtUtils]: Spent 689.00 ms on a formula simplification that was a NOOP. DAG size: 266 [2021-03-26 00:16:58,823 WARN L205 SmtUtils]: Spent 722.00 ms on a formula simplification that was a NOOP. DAG size: 266 [2021-03-26 00:16:58,982 INFO L154 LiptonReduction]: Checked pairs total: 3054 [2021-03-26 00:16:58,982 INFO L156 LiptonReduction]: Total number of compositions: 65 [2021-03-26 00:16:58,984 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8621 [2021-03-26 00:16:58,993 INFO L129 PetriNetUnfolder]: 0/19 cut-off events. [2021-03-26 00:16:58,993 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:16:58,994 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:16:58,994 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:16:58,995 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:16:58,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:16:58,999 INFO L82 PathProgramCache]: Analyzing trace with hash 202130290, now seen corresponding path program 1 times [2021-03-26 00:16:59,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:16:59,006 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805064328] [2021-03-26 00:16:59,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:16:59,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:16:59,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:16:59,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:16:59,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:16:59,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:16:59,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:16:59,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805064328] [2021-03-26 00:16:59,274 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:16:59,275 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 00:16:59,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4899653] [2021-03-26 00:16:59,284 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 00:16:59,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:16:59,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 00:16:59,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 00:16:59,297 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 167 [2021-03-26 00:16:59,303 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 41 transitions, 91 flow. Second operand has 3 states, 3 states have (on average 144.66666666666666) internal successors, (434), 3 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:16:59,303 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:16:59,303 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 167 [2021-03-26 00:16:59,304 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:16:59,416 INFO L129 PetriNetUnfolder]: 69/201 cut-off events. [2021-03-26 00:16:59,416 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:16:59,418 INFO L84 FinitePrefix]: Finished finitePrefix Result has 329 conditions, 201 events. 69/201 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 948 event pairs, 39 based on Foata normal form. 10/193 useless extension candidates. Maximal degree in co-relation 309. Up to 89 conditions per place. [2021-03-26 00:16:59,420 INFO L132 encePairwiseOnDemand]: 163/167 looper letters, 9 selfloop transitions, 2 changer transitions 5/43 dead transitions. [2021-03-26 00:16:59,420 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 43 transitions, 121 flow [2021-03-26 00:16:59,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 00:16:59,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 00:16:59,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 448 transitions. [2021-03-26 00:16:59,437 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8942115768463074 [2021-03-26 00:16:59,438 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 448 transitions. [2021-03-26 00:16:59,438 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 448 transitions. [2021-03-26 00:16:59,441 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:16:59,443 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 448 transitions. [2021-03-26 00:16:59,447 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 149.33333333333334) internal successors, (448), 3 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:16:59,461 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 167.0) internal successors, (668), 4 states have internal predecessors, (668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:16:59,462 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 167.0) internal successors, (668), 4 states have internal predecessors, (668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:16:59,463 INFO L185 Difference]: Start difference. First operand has 50 places, 41 transitions, 91 flow. Second operand 3 states and 448 transitions. [2021-03-26 00:16:59,464 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 43 transitions, 121 flow [2021-03-26 00:16:59,466 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 43 transitions, 118 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-26 00:16:59,468 INFO L241 Difference]: Finished difference. Result has 47 places, 34 transitions, 78 flow [2021-03-26 00:16:59,470 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=78, PETRI_PLACES=47, PETRI_TRANSITIONS=34} [2021-03-26 00:16:59,470 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, -3 predicate places. [2021-03-26 00:16:59,470 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:16:59,470 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 34 transitions, 78 flow [2021-03-26 00:16:59,471 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 34 transitions, 78 flow [2021-03-26 00:16:59,472 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 34 transitions, 78 flow [2021-03-26 00:16:59,477 INFO L129 PetriNetUnfolder]: 0/34 cut-off events. [2021-03-26 00:16:59,477 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:16:59,477 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44 conditions, 34 events. 0/34 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 32 event pairs, 0 based on Foata normal form. 0/34 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-26 00:16:59,478 INFO L142 LiptonReduction]: Number of co-enabled transitions 290 [2021-03-26 00:16:59,814 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-26 00:17:00,008 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-26 00:17:00,455 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-03-26 00:17:00,792 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-03-26 00:17:01,400 WARN L205 SmtUtils]: Spent 605.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2021-03-26 00:17:02,020 WARN L205 SmtUtils]: Spent 619.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2021-03-26 00:17:03,224 INFO L154 LiptonReduction]: Checked pairs total: 1165 [2021-03-26 00:17:03,225 INFO L156 LiptonReduction]: Total number of compositions: 12 [2021-03-26 00:17:03,225 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3755 [2021-03-26 00:17:03,226 INFO L480 AbstractCegarLoop]: Abstraction has has 31 places, 22 transitions, 54 flow [2021-03-26 00:17:03,227 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 144.66666666666666) internal successors, (434), 3 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:03,227 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:17:03,227 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] [2021-03-26 00:17:03,227 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 00:17:03,227 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:17:03,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:17:03,228 INFO L82 PathProgramCache]: Analyzing trace with hash 187550571, now seen corresponding path program 1 times [2021-03-26 00:17:03,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:17:03,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713252860] [2021-03-26 00:17:03,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:17:03,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:17:03,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:17:03,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:17:03,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:17:03,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:17:03,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:17:03,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:17:03,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:17:03,391 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713252860] [2021-03-26 00:17:03,392 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:17:03,392 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:17:03,392 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723916795] [2021-03-26 00:17:03,393 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 00:17:03,393 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:17:03,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 00:17:03,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 00:17:03,395 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 179 [2021-03-26 00:17:03,395 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 22 transitions, 54 flow. Second operand has 4 states, 4 states have (on average 155.75) internal successors, (623), 4 states have internal predecessors, (623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:03,396 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:17:03,396 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 179 [2021-03-26 00:17:03,396 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:17:03,409 INFO L129 PetriNetUnfolder]: 0/22 cut-off events. [2021-03-26 00:17:03,410 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:17:03,410 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36 conditions, 22 events. 0/22 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 29 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. [2021-03-26 00:17:03,410 INFO L132 encePairwiseOnDemand]: 176/179 looper letters, 1 selfloop transitions, 2 changer transitions 0/22 dead transitions. [2021-03-26 00:17:03,410 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 22 transitions, 60 flow [2021-03-26 00:17:03,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 00:17:03,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 00:17:03,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 469 transitions. [2021-03-26 00:17:03,412 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8733705772811918 [2021-03-26 00:17:03,413 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 469 transitions. [2021-03-26 00:17:03,413 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 469 transitions. [2021-03-26 00:17:03,413 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:17:03,413 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 469 transitions. [2021-03-26 00:17:03,414 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 156.33333333333334) internal successors, (469), 3 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:03,415 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:03,416 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:03,416 INFO L185 Difference]: Start difference. First operand has 31 places, 22 transitions, 54 flow. Second operand 3 states and 469 transitions. [2021-03-26 00:17:03,416 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 22 transitions, 60 flow [2021-03-26 00:17:03,417 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 22 transitions, 56 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 00:17:03,417 INFO L241 Difference]: Finished difference. Result has 32 places, 22 transitions, 58 flow [2021-03-26 00:17:03,417 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=58, PETRI_PLACES=32, PETRI_TRANSITIONS=22} [2021-03-26 00:17:03,418 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, -18 predicate places. [2021-03-26 00:17:03,418 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:17:03,418 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 32 places, 22 transitions, 58 flow [2021-03-26 00:17:03,418 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 32 places, 22 transitions, 58 flow [2021-03-26 00:17:03,418 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 32 places, 22 transitions, 58 flow [2021-03-26 00:17:03,421 INFO L129 PetriNetUnfolder]: 0/22 cut-off events. [2021-03-26 00:17:03,422 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:17:03,422 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35 conditions, 22 events. 0/22 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 28 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-26 00:17:03,422 INFO L142 LiptonReduction]: Number of co-enabled transitions 214 [2021-03-26 00:17:03,796 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2021-03-26 00:17:03,943 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-03-26 00:17:04,253 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2021-03-26 00:17:04,394 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-03-26 00:17:04,396 INFO L154 LiptonReduction]: Checked pairs total: 518 [2021-03-26 00:17:04,397 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 00:17:04,397 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 979 [2021-03-26 00:17:04,398 INFO L480 AbstractCegarLoop]: Abstraction has has 31 places, 21 transitions, 56 flow [2021-03-26 00:17:04,398 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 155.75) internal successors, (623), 4 states have internal predecessors, (623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:04,398 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:17:04,398 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:17:04,398 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 00:17:04,398 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:17:04,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:17:04,399 INFO L82 PathProgramCache]: Analyzing trace with hash -697907531, now seen corresponding path program 1 times [2021-03-26 00:17:04,399 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:17:04,399 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633728431] [2021-03-26 00:17:04,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:17:04,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:17:04,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:17:04,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:17:04,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:17:04,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 00:17:04,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:17:04,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:17:04,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:17:04,568 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633728431] [2021-03-26 00:17:04,568 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:17:04,568 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:17:04,568 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785478836] [2021-03-26 00:17:04,568 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 00:17:04,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:17:04,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 00:17:04,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-26 00:17:04,570 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 180 [2021-03-26 00:17:04,571 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 21 transitions, 56 flow. Second operand has 5 states, 5 states have (on average 141.8) internal successors, (709), 5 states have internal predecessors, (709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:04,571 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:17:04,571 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 180 [2021-03-26 00:17:04,571 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:17:04,637 INFO L129 PetriNetUnfolder]: 79/163 cut-off events. [2021-03-26 00:17:04,637 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-03-26 00:17:04,638 INFO L84 FinitePrefix]: Finished finitePrefix Result has 325 conditions, 163 events. 79/163 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 698 event pairs, 55 based on Foata normal form. 1/155 useless extension candidates. Maximal degree in co-relation 315. Up to 131 conditions per place. [2021-03-26 00:17:04,639 INFO L132 encePairwiseOnDemand]: 175/180 looper letters, 8 selfloop transitions, 4 changer transitions 0/25 dead transitions. [2021-03-26 00:17:04,639 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 25 transitions, 88 flow [2021-03-26 00:17:04,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 00:17:04,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 00:17:04,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 436 transitions. [2021-03-26 00:17:04,642 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8074074074074075 [2021-03-26 00:17:04,642 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 436 transitions. [2021-03-26 00:17:04,642 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 436 transitions. [2021-03-26 00:17:04,642 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:17:04,642 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 436 transitions. [2021-03-26 00:17:04,643 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 145.33333333333334) internal successors, (436), 3 states have internal predecessors, (436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:04,645 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 180.0) internal successors, (720), 4 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:04,645 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 180.0) internal successors, (720), 4 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:04,645 INFO L185 Difference]: Start difference. First operand has 31 places, 21 transitions, 56 flow. Second operand 3 states and 436 transitions. [2021-03-26 00:17:04,645 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 25 transitions, 88 flow [2021-03-26 00:17:04,646 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 25 transitions, 84 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 00:17:04,647 INFO L241 Difference]: Finished difference. Result has 32 places, 24 transitions, 78 flow [2021-03-26 00:17:04,647 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=180, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=78, PETRI_PLACES=32, PETRI_TRANSITIONS=24} [2021-03-26 00:17:04,647 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, -18 predicate places. [2021-03-26 00:17:04,647 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:17:04,647 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 32 places, 24 transitions, 78 flow [2021-03-26 00:17:04,648 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 32 places, 24 transitions, 78 flow [2021-03-26 00:17:04,648 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 32 places, 24 transitions, 78 flow [2021-03-26 00:17:04,656 INFO L129 PetriNetUnfolder]: 14/58 cut-off events. [2021-03-26 00:17:04,656 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-03-26 00:17:04,656 INFO L84 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 58 events. 14/58 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 178 event pairs, 6 based on Foata normal form. 0/54 useless extension candidates. Maximal degree in co-relation 99. Up to 29 conditions per place. [2021-03-26 00:17:04,657 INFO L142 LiptonReduction]: Number of co-enabled transitions 234 [2021-03-26 00:17:04,888 INFO L154 LiptonReduction]: Checked pairs total: 213 [2021-03-26 00:17:04,889 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:17:04,889 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 242 [2021-03-26 00:17:04,890 INFO L480 AbstractCegarLoop]: Abstraction has has 32 places, 24 transitions, 78 flow [2021-03-26 00:17:04,891 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 141.8) internal successors, (709), 5 states have internal predecessors, (709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:04,891 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:17:04,891 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:17:04,891 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 00:17:04,891 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:17:04,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:17:04,892 INFO L82 PathProgramCache]: Analyzing trace with hash 1569241235, now seen corresponding path program 1 times [2021-03-26 00:17:04,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:17:04,892 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417122653] [2021-03-26 00:17:04,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:17:04,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:17:05,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:17:05,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 00:17:05,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:17:05,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 00:17:05,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:17:05,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 00:17:05,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:17:05,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417122653] [2021-03-26 00:17:05,048 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:17:05,048 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:17:05,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483227411] [2021-03-26 00:17:05,049 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 00:17:05,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:17:05,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 00:17:05,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 00:17:05,050 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 180 [2021-03-26 00:17:05,051 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 24 transitions, 78 flow. Second operand has 5 states, 5 states have (on average 133.8) internal successors, (669), 5 states have internal predecessors, (669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:05,051 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:17:05,052 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 180 [2021-03-26 00:17:05,052 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:17:05,145 INFO L129 PetriNetUnfolder]: 77/161 cut-off events. [2021-03-26 00:17:05,145 INFO L130 PetriNetUnfolder]: For 59/89 co-relation queries the response was YES. [2021-03-26 00:17:05,146 INFO L84 FinitePrefix]: Finished finitePrefix Result has 398 conditions, 161 events. 77/161 cut-off events. For 59/89 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 674 event pairs, 52 based on Foata normal form. 8/163 useless extension candidates. Maximal degree in co-relation 387. Up to 120 conditions per place. [2021-03-26 00:17:05,147 INFO L132 encePairwiseOnDemand]: 174/180 looper letters, 10 selfloop transitions, 8 changer transitions 0/31 dead transitions. [2021-03-26 00:17:05,148 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 31 transitions, 136 flow [2021-03-26 00:17:05,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 00:17:05,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 00:17:05,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 550 transitions. [2021-03-26 00:17:05,150 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7638888888888888 [2021-03-26 00:17:05,151 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 550 transitions. [2021-03-26 00:17:05,151 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 550 transitions. [2021-03-26 00:17:05,151 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:17:05,151 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 550 transitions. [2021-03-26 00:17:05,152 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 137.5) internal successors, (550), 4 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:05,154 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 180.0) internal successors, (900), 5 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:05,154 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 180.0) internal successors, (900), 5 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:05,155 INFO L185 Difference]: Start difference. First operand has 32 places, 24 transitions, 78 flow. Second operand 4 states and 550 transitions. [2021-03-26 00:17:05,155 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 31 transitions, 136 flow [2021-03-26 00:17:05,156 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 31 transitions, 132 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 00:17:05,157 INFO L241 Difference]: Finished difference. Result has 36 places, 29 transitions, 130 flow [2021-03-26 00:17:05,157 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=180, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=130, PETRI_PLACES=36, PETRI_TRANSITIONS=29} [2021-03-26 00:17:05,157 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, -14 predicate places. [2021-03-26 00:17:05,157 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:17:05,157 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 29 transitions, 130 flow [2021-03-26 00:17:05,158 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 29 transitions, 130 flow [2021-03-26 00:17:05,158 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 29 transitions, 130 flow [2021-03-26 00:17:05,169 INFO L129 PetriNetUnfolder]: 22/72 cut-off events. [2021-03-26 00:17:05,170 INFO L130 PetriNetUnfolder]: For 79/94 co-relation queries the response was YES. [2021-03-26 00:17:05,171 INFO L84 FinitePrefix]: Finished finitePrefix Result has 191 conditions, 72 events. 22/72 cut-off events. For 79/94 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 244 event pairs, 9 based on Foata normal form. 1/69 useless extension candidates. Maximal degree in co-relation 179. Up to 36 conditions per place. [2021-03-26 00:17:05,172 INFO L142 LiptonReduction]: Number of co-enabled transitions 282 [2021-03-26 00:17:05,381 INFO L154 LiptonReduction]: Checked pairs total: 266 [2021-03-26 00:17:05,381 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:17:05,381 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 224 [2021-03-26 00:17:05,382 INFO L480 AbstractCegarLoop]: Abstraction has has 36 places, 29 transitions, 130 flow [2021-03-26 00:17:05,383 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 133.8) internal successors, (669), 5 states have internal predecessors, (669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:05,383 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:17:05,383 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:17:05,383 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 00:17:05,383 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:17:05,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:17:05,384 INFO L82 PathProgramCache]: Analyzing trace with hash 1387978719, now seen corresponding path program 1 times [2021-03-26 00:17:05,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:17:05,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583447643] [2021-03-26 00:17:05,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:17:05,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:17:05,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:17:05,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 00:17:05,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:17:05,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 00:17:05,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:17:05,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 00:17:05,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:17:05,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583447643] [2021-03-26 00:17:05,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:17:05,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:17:05,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975746336] [2021-03-26 00:17:05,475 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 00:17:05,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:17:05,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 00:17:05,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-26 00:17:05,477 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 180 [2021-03-26 00:17:05,478 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 29 transitions, 130 flow. Second operand has 5 states, 5 states have (on average 138.8) internal successors, (694), 5 states have internal predecessors, (694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:05,478 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:17:05,478 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 180 [2021-03-26 00:17:05,478 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:17:05,572 INFO L129 PetriNetUnfolder]: 85/191 cut-off events. [2021-03-26 00:17:05,572 INFO L130 PetriNetUnfolder]: For 189/285 co-relation queries the response was YES. [2021-03-26 00:17:05,573 INFO L84 FinitePrefix]: Finished finitePrefix Result has 565 conditions, 191 events. 85/191 cut-off events. For 189/285 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 859 event pairs, 7 based on Foata normal form. 14/200 useless extension candidates. Maximal degree in co-relation 551. Up to 109 conditions per place. [2021-03-26 00:17:05,574 INFO L132 encePairwiseOnDemand]: 173/180 looper letters, 16 selfloop transitions, 12 changer transitions 0/41 dead transitions. [2021-03-26 00:17:05,574 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 41 transitions, 236 flow [2021-03-26 00:17:05,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 00:17:05,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 00:17:05,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 713 transitions. [2021-03-26 00:17:05,577 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7922222222222223 [2021-03-26 00:17:05,577 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 713 transitions. [2021-03-26 00:17:05,577 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 713 transitions. [2021-03-26 00:17:05,578 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:17:05,578 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 713 transitions. [2021-03-26 00:17:05,579 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 142.6) internal successors, (713), 5 states have internal predecessors, (713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:05,581 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 180.0) internal successors, (1080), 6 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:05,582 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 180.0) internal successors, (1080), 6 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:05,582 INFO L185 Difference]: Start difference. First operand has 36 places, 29 transitions, 130 flow. Second operand 5 states and 713 transitions. [2021-03-26 00:17:05,582 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 41 transitions, 236 flow [2021-03-26 00:17:05,584 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 41 transitions, 232 flow, removed 2 selfloop flow, removed 0 redundant places. [2021-03-26 00:17:05,586 INFO L241 Difference]: Finished difference. Result has 42 places, 35 transitions, 199 flow [2021-03-26 00:17:05,586 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=180, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=199, PETRI_PLACES=42, PETRI_TRANSITIONS=35} [2021-03-26 00:17:05,586 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, -8 predicate places. [2021-03-26 00:17:05,586 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:17:05,587 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 35 transitions, 199 flow [2021-03-26 00:17:05,587 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 35 transitions, 199 flow [2021-03-26 00:17:05,587 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 35 transitions, 199 flow [2021-03-26 00:17:05,604 INFO L129 PetriNetUnfolder]: 41/112 cut-off events. [2021-03-26 00:17:05,605 INFO L130 PetriNetUnfolder]: For 292/359 co-relation queries the response was YES. [2021-03-26 00:17:05,605 INFO L84 FinitePrefix]: Finished finitePrefix Result has 384 conditions, 112 events. 41/112 cut-off events. For 292/359 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 448 event pairs, 19 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 368. Up to 52 conditions per place. [2021-03-26 00:17:05,606 INFO L142 LiptonReduction]: Number of co-enabled transitions 344 [2021-03-26 00:17:05,781 INFO L154 LiptonReduction]: Checked pairs total: 391 [2021-03-26 00:17:05,781 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:17:05,781 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 195 [2021-03-26 00:17:05,782 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 35 transitions, 199 flow [2021-03-26 00:17:05,783 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 138.8) internal successors, (694), 5 states have internal predecessors, (694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:05,783 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:17:05,783 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:17:05,783 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 00:17:05,783 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:17:05,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:17:05,784 INFO L82 PathProgramCache]: Analyzing trace with hash -1787015842, now seen corresponding path program 1 times [2021-03-26 00:17:05,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:17:05,784 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374792287] [2021-03-26 00:17:05,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:17:05,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:17:05,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:17:05,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 00:17:05,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:17:05,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 00:17:05,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:17:05,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 00:17:05,873 INFO L142 QuantifierPusher]: treesize reduction 17, result has 70.2 percent of original size [2021-03-26 00:17:05,874 INFO L147 QuantifierPusher]: treesize reduction 9, result has 77.5 percent of original size 31 [2021-03-26 00:17:05,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:17:05,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374792287] [2021-03-26 00:17:05,895 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:17:05,895 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:17:05,895 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968126028] [2021-03-26 00:17:05,895 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 00:17:05,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:17:05,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 00:17:05,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-26 00:17:05,898 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 180 [2021-03-26 00:17:05,899 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 35 transitions, 199 flow. Second operand has 5 states, 5 states have (on average 139.0) internal successors, (695), 5 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:05,899 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:17:05,899 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 180 [2021-03-26 00:17:05,899 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:17:05,984 INFO L129 PetriNetUnfolder]: 90/188 cut-off events. [2021-03-26 00:17:05,984 INFO L130 PetriNetUnfolder]: For 577/733 co-relation queries the response was YES. [2021-03-26 00:17:05,985 INFO L84 FinitePrefix]: Finished finitePrefix Result has 765 conditions, 188 events. 90/188 cut-off events. For 577/733 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 797 event pairs, 21 based on Foata normal form. 17/199 useless extension candidates. Maximal degree in co-relation 747. Up to 120 conditions per place. [2021-03-26 00:17:05,986 INFO L132 encePairwiseOnDemand]: 174/180 looper letters, 20 selfloop transitions, 12 changer transitions 0/45 dead transitions. [2021-03-26 00:17:05,987 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 45 transitions, 339 flow [2021-03-26 00:17:05,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 00:17:05,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 00:17:05,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 570 transitions. [2021-03-26 00:17:05,989 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7916666666666666 [2021-03-26 00:17:05,989 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 570 transitions. [2021-03-26 00:17:05,989 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 570 transitions. [2021-03-26 00:17:05,990 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:17:05,990 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 570 transitions. [2021-03-26 00:17:05,991 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 142.5) internal successors, (570), 4 states have internal predecessors, (570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:05,992 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 180.0) internal successors, (900), 5 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:05,993 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 180.0) internal successors, (900), 5 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:05,993 INFO L185 Difference]: Start difference. First operand has 42 places, 35 transitions, 199 flow. Second operand 4 states and 570 transitions. [2021-03-26 00:17:05,993 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 45 transitions, 339 flow [2021-03-26 00:17:05,997 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 45 transitions, 309 flow, removed 11 selfloop flow, removed 1 redundant places. [2021-03-26 00:17:05,999 INFO L241 Difference]: Finished difference. Result has 45 places, 40 transitions, 247 flow [2021-03-26 00:17:05,999 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=180, PETRI_DIFFERENCE_MINUEND_FLOW=178, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=247, PETRI_PLACES=45, PETRI_TRANSITIONS=40} [2021-03-26 00:17:05,999 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, -5 predicate places. [2021-03-26 00:17:05,999 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:17:05,999 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 40 transitions, 247 flow [2021-03-26 00:17:06,000 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 40 transitions, 247 flow [2021-03-26 00:17:06,000 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 40 transitions, 247 flow [2021-03-26 00:17:06,029 INFO L129 PetriNetUnfolder]: 75/174 cut-off events. [2021-03-26 00:17:06,029 INFO L130 PetriNetUnfolder]: For 660/708 co-relation queries the response was YES. [2021-03-26 00:17:06,030 INFO L84 FinitePrefix]: Finished finitePrefix Result has 662 conditions, 174 events. 75/174 cut-off events. For 660/708 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 768 event pairs, 12 based on Foata normal form. 2/166 useless extension candidates. Maximal degree in co-relation 644. Up to 79 conditions per place. [2021-03-26 00:17:06,031 INFO L142 LiptonReduction]: Number of co-enabled transitions 362 [2021-03-26 00:17:06,046 INFO L154 LiptonReduction]: Checked pairs total: 369 [2021-03-26 00:17:06,046 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:17:06,046 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 47 [2021-03-26 00:17:06,054 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 40 transitions, 247 flow [2021-03-26 00:17:06,054 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 139.0) internal successors, (695), 5 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:06,054 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:17:06,055 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:17:06,055 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 00:17:06,055 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:17:06,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:17:06,055 INFO L82 PathProgramCache]: Analyzing trace with hash 74920062, now seen corresponding path program 2 times [2021-03-26 00:17:06,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:17:06,056 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086008076] [2021-03-26 00:17:06,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:17:06,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:17:06,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:17:06,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 00:17:06,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:17:06,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 00:17:06,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:17:06,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 00:17:06,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:17:06,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 00:17:06,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:17:06,225 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086008076] [2021-03-26 00:17:06,225 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:17:06,226 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 00:17:06,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314461138] [2021-03-26 00:17:06,226 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 00:17:06,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:17:06,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 00:17:06,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-03-26 00:17:06,228 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 180 [2021-03-26 00:17:06,229 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 40 transitions, 247 flow. Second operand has 6 states, 6 states have (on average 133.83333333333334) internal successors, (803), 6 states have internal predecessors, (803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:06,229 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:17:06,229 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 180 [2021-03-26 00:17:06,229 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:17:06,316 INFO L129 PetriNetUnfolder]: 88/187 cut-off events. [2021-03-26 00:17:06,316 INFO L130 PetriNetUnfolder]: For 691/833 co-relation queries the response was YES. [2021-03-26 00:17:06,317 INFO L84 FinitePrefix]: Finished finitePrefix Result has 801 conditions, 187 events. 88/187 cut-off events. For 691/833 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 786 event pairs, 21 based on Foata normal form. 30/211 useless extension candidates. Maximal degree in co-relation 781. Up to 120 conditions per place. [2021-03-26 00:17:06,318 INFO L132 encePairwiseOnDemand]: 175/180 looper letters, 18 selfloop transitions, 14 changer transitions 0/45 dead transitions. [2021-03-26 00:17:06,318 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 45 transitions, 358 flow [2021-03-26 00:17:06,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 00:17:06,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 00:17:06,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 550 transitions. [2021-03-26 00:17:06,322 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7638888888888888 [2021-03-26 00:17:06,322 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 550 transitions. [2021-03-26 00:17:06,322 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 550 transitions. [2021-03-26 00:17:06,322 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:17:06,323 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 550 transitions. [2021-03-26 00:17:06,323 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 137.5) internal successors, (550), 4 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:06,326 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 180.0) internal successors, (900), 5 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:06,326 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 180.0) internal successors, (900), 5 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:06,326 INFO L185 Difference]: Start difference. First operand has 45 places, 40 transitions, 247 flow. Second operand 4 states and 550 transitions. [2021-03-26 00:17:06,326 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 45 transitions, 358 flow [2021-03-26 00:17:06,330 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 45 transitions, 340 flow, removed 5 selfloop flow, removed 1 redundant places. [2021-03-26 00:17:06,332 INFO L241 Difference]: Finished difference. Result has 48 places, 42 transitions, 292 flow [2021-03-26 00:17:06,332 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=180, PETRI_DIFFERENCE_MINUEND_FLOW=230, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=292, PETRI_PLACES=48, PETRI_TRANSITIONS=42} [2021-03-26 00:17:06,332 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, -2 predicate places. [2021-03-26 00:17:06,332 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:17:06,332 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 48 places, 42 transitions, 292 flow [2021-03-26 00:17:06,333 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 48 places, 42 transitions, 292 flow [2021-03-26 00:17:06,333 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 48 places, 42 transitions, 292 flow [2021-03-26 00:17:06,355 INFO L129 PetriNetUnfolder]: 67/168 cut-off events. [2021-03-26 00:17:06,355 INFO L130 PetriNetUnfolder]: For 838/889 co-relation queries the response was YES. [2021-03-26 00:17:06,356 INFO L84 FinitePrefix]: Finished finitePrefix Result has 661 conditions, 168 events. 67/168 cut-off events. For 838/889 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 784 event pairs, 21 based on Foata normal form. 3/158 useless extension candidates. Maximal degree in co-relation 641. Up to 72 conditions per place. [2021-03-26 00:17:06,358 INFO L142 LiptonReduction]: Number of co-enabled transitions 368 [2021-03-26 00:17:06,366 INFO L154 LiptonReduction]: Checked pairs total: 490 [2021-03-26 00:17:06,366 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:17:06,366 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 34 [2021-03-26 00:17:06,367 INFO L480 AbstractCegarLoop]: Abstraction has has 48 places, 42 transitions, 292 flow [2021-03-26 00:17:06,368 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 133.83333333333334) internal successors, (803), 6 states have internal predecessors, (803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:06,368 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:17:06,368 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:17:06,368 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 00:17:06,368 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:17:06,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:17:06,369 INFO L82 PathProgramCache]: Analyzing trace with hash 507291012, now seen corresponding path program 1 times [2021-03-26 00:17:06,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:17:06,369 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750599055] [2021-03-26 00:17:06,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:17:06,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:17:06,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:17:06,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:17:06,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:17:06,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:17:06,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:17:06,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:17:06,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:17:06,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 00:17:06,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:17:06,451 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750599055] [2021-03-26 00:17:06,451 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:17:06,452 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:17:06,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344419592] [2021-03-26 00:17:06,452 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 00:17:06,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:17:06,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 00:17:06,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-03-26 00:17:06,454 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 180 [2021-03-26 00:17:06,454 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 42 transitions, 292 flow. Second operand has 5 states, 5 states have (on average 145.0) internal successors, (725), 5 states have internal predecessors, (725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:06,454 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:17:06,454 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 180 [2021-03-26 00:17:06,454 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:17:06,561 INFO L129 PetriNetUnfolder]: 94/211 cut-off events. [2021-03-26 00:17:06,561 INFO L130 PetriNetUnfolder]: For 936/1098 co-relation queries the response was YES. [2021-03-26 00:17:06,562 INFO L84 FinitePrefix]: Finished finitePrefix Result has 910 conditions, 211 events. 94/211 cut-off events. For 936/1098 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 958 event pairs, 21 based on Foata normal form. 25/232 useless extension candidates. Maximal degree in co-relation 888. Up to 134 conditions per place. [2021-03-26 00:17:06,563 INFO L132 encePairwiseOnDemand]: 174/180 looper letters, 20 selfloop transitions, 14 changer transitions 0/47 dead transitions. [2021-03-26 00:17:06,563 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 47 transitions, 395 flow [2021-03-26 00:17:06,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 00:17:06,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 00:17:06,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 590 transitions. [2021-03-26 00:17:06,566 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8194444444444444 [2021-03-26 00:17:06,566 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 590 transitions. [2021-03-26 00:17:06,566 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 590 transitions. [2021-03-26 00:17:06,566 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:17:06,567 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 590 transitions. [2021-03-26 00:17:06,568 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 147.5) internal successors, (590), 4 states have internal predecessors, (590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:06,569 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 180.0) internal successors, (900), 5 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:06,569 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 180.0) internal successors, (900), 5 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:06,569 INFO L185 Difference]: Start difference. First operand has 48 places, 42 transitions, 292 flow. Second operand 4 states and 590 transitions. [2021-03-26 00:17:06,569 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 47 transitions, 395 flow [2021-03-26 00:17:06,571 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 47 transitions, 377 flow, removed 5 selfloop flow, removed 1 redundant places. [2021-03-26 00:17:06,574 INFO L241 Difference]: Finished difference. Result has 51 places, 45 transitions, 349 flow [2021-03-26 00:17:06,575 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=180, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=349, PETRI_PLACES=51, PETRI_TRANSITIONS=45} [2021-03-26 00:17:06,575 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, 1 predicate places. [2021-03-26 00:17:06,575 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:17:06,575 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 45 transitions, 349 flow [2021-03-26 00:17:06,575 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 45 transitions, 349 flow [2021-03-26 00:17:06,576 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 45 transitions, 349 flow [2021-03-26 00:17:06,598 INFO L129 PetriNetUnfolder]: 71/173 cut-off events. [2021-03-26 00:17:06,598 INFO L130 PetriNetUnfolder]: For 1145/1246 co-relation queries the response was YES. [2021-03-26 00:17:06,599 INFO L84 FinitePrefix]: Finished finitePrefix Result has 778 conditions, 173 events. 71/173 cut-off events. For 1145/1246 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 814 event pairs, 11 based on Foata normal form. 3/169 useless extension candidates. Maximal degree in co-relation 756. Up to 84 conditions per place. [2021-03-26 00:17:06,600 INFO L142 LiptonReduction]: Number of co-enabled transitions 404 [2021-03-26 00:17:06,620 INFO L154 LiptonReduction]: Checked pairs total: 526 [2021-03-26 00:17:06,621 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:17:06,621 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 46 [2021-03-26 00:17:06,622 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 45 transitions, 349 flow [2021-03-26 00:17:06,622 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 145.0) internal successors, (725), 5 states have internal predecessors, (725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:06,622 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:17:06,623 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:17:06,623 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 00:17:06,623 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:17:06,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:17:06,624 INFO L82 PathProgramCache]: Analyzing trace with hash 1429581250, now seen corresponding path program 1 times [2021-03-26 00:17:06,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:17:06,624 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783924518] [2021-03-26 00:17:06,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:17:06,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:17:06,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:17:06,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:17:06,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:17:06,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:17:06,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:17:06,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:17:06,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:17:06,702 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783924518] [2021-03-26 00:17:06,702 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:17:06,702 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:17:06,702 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704079491] [2021-03-26 00:17:06,703 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 00:17:06,703 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:17:06,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 00:17:06,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 00:17:06,704 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 180 [2021-03-26 00:17:06,704 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 45 transitions, 349 flow. Second operand has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:06,704 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:17:06,704 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 180 [2021-03-26 00:17:06,705 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:17:06,760 INFO L129 PetriNetUnfolder]: 98/266 cut-off events. [2021-03-26 00:17:06,761 INFO L130 PetriNetUnfolder]: For 2035/2137 co-relation queries the response was YES. [2021-03-26 00:17:06,762 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1137 conditions, 266 events. 98/266 cut-off events. For 2035/2137 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1480 event pairs, 21 based on Foata normal form. 28/282 useless extension candidates. Maximal degree in co-relation 1113. Up to 127 conditions per place. [2021-03-26 00:17:06,763 INFO L132 encePairwiseOnDemand]: 177/180 looper letters, 3 selfloop transitions, 2 changer transitions 0/46 dead transitions. [2021-03-26 00:17:06,763 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 46 transitions, 361 flow [2021-03-26 00:17:06,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 00:17:06,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 00:17:06,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 610 transitions. [2021-03-26 00:17:06,766 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8472222222222222 [2021-03-26 00:17:06,766 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 610 transitions. [2021-03-26 00:17:06,766 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 610 transitions. [2021-03-26 00:17:06,767 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:17:06,767 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 610 transitions. [2021-03-26 00:17:06,768 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 152.5) internal successors, (610), 4 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:06,769 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 180.0) internal successors, (900), 5 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:06,770 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 180.0) internal successors, (900), 5 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:06,770 INFO L185 Difference]: Start difference. First operand has 51 places, 45 transitions, 349 flow. Second operand 4 states and 610 transitions. [2021-03-26 00:17:06,770 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 46 transitions, 361 flow [2021-03-26 00:17:06,773 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 46 transitions, 332 flow, removed 7 selfloop flow, removed 2 redundant places. [2021-03-26 00:17:06,775 INFO L241 Difference]: Finished difference. Result has 54 places, 46 transitions, 333 flow [2021-03-26 00:17:06,775 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=180, PETRI_DIFFERENCE_MINUEND_FLOW=320, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=333, PETRI_PLACES=54, PETRI_TRANSITIONS=46} [2021-03-26 00:17:06,775 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, 4 predicate places. [2021-03-26 00:17:06,775 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:17:06,775 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 46 transitions, 333 flow [2021-03-26 00:17:06,776 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 46 transitions, 333 flow [2021-03-26 00:17:06,776 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 46 transitions, 333 flow [2021-03-26 00:17:06,808 INFO L129 PetriNetUnfolder]: 106/271 cut-off events. [2021-03-26 00:17:06,808 INFO L130 PetriNetUnfolder]: For 1564/1700 co-relation queries the response was YES. [2021-03-26 00:17:06,809 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1059 conditions, 271 events. 106/271 cut-off events. For 1564/1700 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 1567 event pairs, 18 based on Foata normal form. 5/259 useless extension candidates. Maximal degree in co-relation 1036. Up to 135 conditions per place. [2021-03-26 00:17:06,811 INFO L142 LiptonReduction]: Number of co-enabled transitions 414 [2021-03-26 00:17:06,881 INFO L154 LiptonReduction]: Checked pairs total: 285 [2021-03-26 00:17:06,881 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:17:06,881 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 106 [2021-03-26 00:17:06,882 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 46 transitions, 333 flow [2021-03-26 00:17:06,882 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:06,882 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:17:06,882 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:17:06,883 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 00:17:06,883 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:17:06,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:17:06,883 INFO L82 PathProgramCache]: Analyzing trace with hash -807201910, now seen corresponding path program 2 times [2021-03-26 00:17:06,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:17:06,883 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461160050] [2021-03-26 00:17:06,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:17:06,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:17:06,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:17:06,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:17:06,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:17:06,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:17:06,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:17:06,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:17:06,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:17:06,943 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461160050] [2021-03-26 00:17:06,943 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:17:06,943 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:17:06,943 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525810025] [2021-03-26 00:17:06,944 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 00:17:06,944 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:17:06,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 00:17:06,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 00:17:06,945 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 180 [2021-03-26 00:17:06,947 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 46 transitions, 333 flow. Second operand has 4 states, 4 states have (on average 152.75) internal successors, (611), 4 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:06,947 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:17:06,947 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 180 [2021-03-26 00:17:06,947 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:17:07,037 INFO L129 PetriNetUnfolder]: 207/500 cut-off events. [2021-03-26 00:17:07,037 INFO L130 PetriNetUnfolder]: For 1697/1841 co-relation queries the response was YES. [2021-03-26 00:17:07,040 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1680 conditions, 500 events. 207/500 cut-off events. For 1697/1841 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 3239 event pairs, 71 based on Foata normal form. 85/557 useless extension candidates. Maximal degree in co-relation 1655. Up to 232 conditions per place. [2021-03-26 00:17:07,042 INFO L132 encePairwiseOnDemand]: 174/180 looper letters, 9 selfloop transitions, 8 changer transitions 0/55 dead transitions. [2021-03-26 00:17:07,042 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 55 transitions, 375 flow [2021-03-26 00:17:07,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 00:17:07,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 00:17:07,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 778 transitions. [2021-03-26 00:17:07,045 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8644444444444445 [2021-03-26 00:17:07,045 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 778 transitions. [2021-03-26 00:17:07,045 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 778 transitions. [2021-03-26 00:17:07,045 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:17:07,046 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 778 transitions. [2021-03-26 00:17:07,047 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 155.6) internal successors, (778), 5 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:07,048 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 180.0) internal successors, (1080), 6 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:07,049 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 180.0) internal successors, (1080), 6 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:07,049 INFO L185 Difference]: Start difference. First operand has 54 places, 46 transitions, 333 flow. Second operand 5 states and 778 transitions. [2021-03-26 00:17:07,049 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 55 transitions, 375 flow [2021-03-26 00:17:07,052 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 55 transitions, 374 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 00:17:07,053 INFO L241 Difference]: Finished difference. Result has 60 places, 52 transitions, 384 flow [2021-03-26 00:17:07,054 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=180, PETRI_DIFFERENCE_MINUEND_FLOW=320, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=384, PETRI_PLACES=60, PETRI_TRANSITIONS=52} [2021-03-26 00:17:07,054 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, 10 predicate places. [2021-03-26 00:17:07,054 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:17:07,054 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 52 transitions, 384 flow [2021-03-26 00:17:07,054 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 52 transitions, 384 flow [2021-03-26 00:17:07,055 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 52 transitions, 384 flow [2021-03-26 00:17:07,110 INFO L129 PetriNetUnfolder]: 208/496 cut-off events. [2021-03-26 00:17:07,110 INFO L130 PetriNetUnfolder]: For 1955/2147 co-relation queries the response was YES. [2021-03-26 00:17:07,113 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1923 conditions, 496 events. 208/496 cut-off events. For 1955/2147 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 3397 event pairs, 71 based on Foata normal form. 18/473 useless extension candidates. Maximal degree in co-relation 1896. Up to 223 conditions per place. [2021-03-26 00:17:07,117 INFO L142 LiptonReduction]: Number of co-enabled transitions 542 [2021-03-26 00:17:07,122 INFO L154 LiptonReduction]: Checked pairs total: 243 [2021-03-26 00:17:07,122 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:17:07,122 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 68 [2021-03-26 00:17:07,123 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 52 transitions, 384 flow [2021-03-26 00:17:07,123 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 152.75) internal successors, (611), 4 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:07,124 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:17:07,124 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:17:07,124 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-26 00:17:07,124 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:17:07,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:17:07,124 INFO L82 PathProgramCache]: Analyzing trace with hash 746180331, now seen corresponding path program 1 times [2021-03-26 00:17:07,124 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:17:07,125 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562473554] [2021-03-26 00:17:07,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:17:07,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:17:07,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:17:07,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:17:07,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:17:07,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:17:07,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:17:07,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:17:07,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:17:07,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:17:07,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:17:07,193 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562473554] [2021-03-26 00:17:07,194 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:17:07,194 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 00:17:07,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210511630] [2021-03-26 00:17:07,194 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 00:17:07,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:17:07,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 00:17:07,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 00:17:07,195 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 180 [2021-03-26 00:17:07,196 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 52 transitions, 384 flow. Second operand has 5 states, 5 states have (on average 152.8) internal successors, (764), 5 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:07,196 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:17:07,196 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 180 [2021-03-26 00:17:07,197 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:17:07,293 INFO L129 PetriNetUnfolder]: 110/334 cut-off events. [2021-03-26 00:17:07,294 INFO L130 PetriNetUnfolder]: For 1322/1843 co-relation queries the response was YES. [2021-03-26 00:17:07,296 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1364 conditions, 334 events. 110/334 cut-off events. For 1322/1843 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 2125 event pairs, 10 based on Foata normal form. 223/538 useless extension candidates. Maximal degree in co-relation 1335. Up to 180 conditions per place. [2021-03-26 00:17:07,297 INFO L132 encePairwiseOnDemand]: 174/180 looper letters, 6 selfloop transitions, 15 changer transitions 3/60 dead transitions. [2021-03-26 00:17:07,298 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 60 transitions, 472 flow [2021-03-26 00:17:07,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 00:17:07,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 00:17:07,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1089 transitions. [2021-03-26 00:17:07,301 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8642857142857143 [2021-03-26 00:17:07,301 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1089 transitions. [2021-03-26 00:17:07,301 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1089 transitions. [2021-03-26 00:17:07,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:17:07,301 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1089 transitions. [2021-03-26 00:17:07,304 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 155.57142857142858) internal successors, (1089), 7 states have internal predecessors, (1089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:07,306 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 180.0) internal successors, (1440), 8 states have internal predecessors, (1440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:07,307 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 180.0) internal successors, (1440), 8 states have internal predecessors, (1440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:07,307 INFO L185 Difference]: Start difference. First operand has 60 places, 52 transitions, 384 flow. Second operand 7 states and 1089 transitions. [2021-03-26 00:17:07,307 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 60 transitions, 472 flow [2021-03-26 00:17:07,311 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 60 transitions, 468 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 00:17:07,312 INFO L241 Difference]: Finished difference. Result has 68 places, 57 transitions, 465 flow [2021-03-26 00:17:07,312 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=180, PETRI_DIFFERENCE_MINUEND_FLOW=362, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=465, PETRI_PLACES=68, PETRI_TRANSITIONS=57} [2021-03-26 00:17:07,312 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, 18 predicate places. [2021-03-26 00:17:07,312 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:17:07,313 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 57 transitions, 465 flow [2021-03-26 00:17:07,313 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 57 transitions, 465 flow [2021-03-26 00:17:07,314 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 57 transitions, 465 flow [2021-03-26 00:17:07,348 INFO L129 PetriNetUnfolder]: 102/321 cut-off events. [2021-03-26 00:17:07,349 INFO L130 PetriNetUnfolder]: For 1692/2085 co-relation queries the response was YES. [2021-03-26 00:17:07,351 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1420 conditions, 321 events. 102/321 cut-off events. For 1692/2085 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 2141 event pairs, 10 based on Foata normal form. 13/313 useless extension candidates. Maximal degree in co-relation 1389. Up to 170 conditions per place. [2021-03-26 00:17:07,354 INFO L142 LiptonReduction]: Number of co-enabled transitions 580 [2021-03-26 00:17:07,360 INFO L154 LiptonReduction]: Checked pairs total: 229 [2021-03-26 00:17:07,361 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:17:07,361 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 49 [2021-03-26 00:17:07,362 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 57 transitions, 465 flow [2021-03-26 00:17:07,362 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 152.8) internal successors, (764), 5 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:07,362 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:17:07,363 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:17:07,363 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-26 00:17:07,363 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:17:07,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:17:07,363 INFO L82 PathProgramCache]: Analyzing trace with hash 407033032, now seen corresponding path program 1 times [2021-03-26 00:17:07,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:17:07,363 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288102377] [2021-03-26 00:17:07,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:17:07,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:17:07,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:17:07,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 00:17:07,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:17:07,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 00:17:07,469 INFO L142 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size [2021-03-26 00:17:07,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 00:17:07,496 INFO L142 QuantifierPusher]: treesize reduction 28, result has 37.8 percent of original size [2021-03-26 00:17:07,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 00:17:07,505 INFO L142 QuantifierPusher]: treesize reduction 49, result has 22.2 percent of original size [2021-03-26 00:17:07,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 00:17:07,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:17:07,510 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288102377] [2021-03-26 00:17:07,510 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:17:07,511 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:17:07,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612732103] [2021-03-26 00:17:07,512 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 00:17:07,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:17:07,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 00:17:07,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-03-26 00:17:07,516 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 180 [2021-03-26 00:17:07,517 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 57 transitions, 465 flow. Second operand has 5 states, 5 states have (on average 146.2) internal successors, (731), 5 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:07,517 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:17:07,517 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 180 [2021-03-26 00:17:07,517 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:17:07,600 INFO L129 PetriNetUnfolder]: 110/332 cut-off events. [2021-03-26 00:17:07,600 INFO L130 PetriNetUnfolder]: For 2207/2656 co-relation queries the response was YES. [2021-03-26 00:17:07,602 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1577 conditions, 332 events. 110/332 cut-off events. For 2207/2656 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 2120 event pairs, 14 based on Foata normal form. 59/369 useless extension candidates. Maximal degree in co-relation 1544. Up to 167 conditions per place. [2021-03-26 00:17:07,634 INFO L132 encePairwiseOnDemand]: 174/180 looper letters, 20 selfloop transitions, 11 changer transitions 0/59 dead transitions. [2021-03-26 00:17:07,635 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 59 transitions, 545 flow [2021-03-26 00:17:07,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 00:17:07,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 00:17:07,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 596 transitions. [2021-03-26 00:17:07,637 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8277777777777777 [2021-03-26 00:17:07,637 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 596 transitions. [2021-03-26 00:17:07,637 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 596 transitions. [2021-03-26 00:17:07,637 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:17:07,637 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 596 transitions. [2021-03-26 00:17:07,638 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 149.0) internal successors, (596), 4 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:07,639 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 180.0) internal successors, (900), 5 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:07,639 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 180.0) internal successors, (900), 5 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:07,639 INFO L185 Difference]: Start difference. First operand has 68 places, 57 transitions, 465 flow. Second operand 4 states and 596 transitions. [2021-03-26 00:17:07,639 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 59 transitions, 545 flow [2021-03-26 00:17:07,645 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 59 transitions, 510 flow, removed 13 selfloop flow, removed 2 redundant places. [2021-03-26 00:17:07,647 INFO L241 Difference]: Finished difference. Result has 70 places, 57 transitions, 464 flow [2021-03-26 00:17:07,648 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=180, PETRI_DIFFERENCE_MINUEND_FLOW=430, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=464, PETRI_PLACES=70, PETRI_TRANSITIONS=57} [2021-03-26 00:17:07,648 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, 20 predicate places. [2021-03-26 00:17:07,648 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:17:07,648 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 57 transitions, 464 flow [2021-03-26 00:17:07,648 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 57 transitions, 464 flow [2021-03-26 00:17:07,649 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 70 places, 57 transitions, 464 flow [2021-03-26 00:17:07,680 INFO L129 PetriNetUnfolder]: 101/319 cut-off events. [2021-03-26 00:17:07,680 INFO L130 PetriNetUnfolder]: For 1254/1332 co-relation queries the response was YES. [2021-03-26 00:17:07,682 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1247 conditions, 319 events. 101/319 cut-off events. For 1254/1332 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 2073 event pairs, 10 based on Foata normal form. 15/321 useless extension candidates. Maximal degree in co-relation 1214. Up to 73 conditions per place. [2021-03-26 00:17:07,685 INFO L142 LiptonReduction]: Number of co-enabled transitions 580 [2021-03-26 00:17:07,744 INFO L154 LiptonReduction]: Checked pairs total: 229 [2021-03-26 00:17:07,744 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:17:07,744 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 96 [2021-03-26 00:17:07,746 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 57 transitions, 464 flow [2021-03-26 00:17:07,747 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 146.2) internal successors, (731), 5 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:07,747 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:17:07,747 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:17:07,747 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-26 00:17:07,747 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:17:07,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:17:07,747 INFO L82 PathProgramCache]: Analyzing trace with hash -1388953445, now seen corresponding path program 1 times [2021-03-26 00:17:07,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:17:07,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087242023] [2021-03-26 00:17:07,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:17:07,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:17:07,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:17:07,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:17:07,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:17:07,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:17:07,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:17:07,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:17:07,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:17:07,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:17:07,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:17:07,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:17:07,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:17:07,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087242023] [2021-03-26 00:17:07,816 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:17:07,816 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 00:17:07,816 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299241136] [2021-03-26 00:17:07,817 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 00:17:07,817 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:17:07,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 00:17:07,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-26 00:17:07,818 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 180 [2021-03-26 00:17:07,819 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 57 transitions, 464 flow. Second operand has 6 states, 6 states have (on average 152.83333333333334) internal successors, (917), 6 states have internal predecessors, (917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:07,819 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:17:07,819 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 180 [2021-03-26 00:17:07,819 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:17:07,925 INFO L129 PetriNetUnfolder]: 86/281 cut-off events. [2021-03-26 00:17:07,925 INFO L130 PetriNetUnfolder]: For 1507/2057 co-relation queries the response was YES. [2021-03-26 00:17:07,927 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1193 conditions, 281 events. 86/281 cut-off events. For 1507/2057 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 1785 event pairs, 2 based on Foata normal form. 232/496 useless extension candidates. Maximal degree in co-relation 1158. Up to 70 conditions per place. [2021-03-26 00:17:07,928 INFO L132 encePairwiseOnDemand]: 174/180 looper letters, 2 selfloop transitions, 19 changer transitions 9/59 dead transitions. [2021-03-26 00:17:07,928 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 59 transitions, 520 flow [2021-03-26 00:17:07,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 00:17:07,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 00:17:07,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1394 transitions. [2021-03-26 00:17:07,932 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8604938271604938 [2021-03-26 00:17:07,933 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1394 transitions. [2021-03-26 00:17:07,933 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1394 transitions. [2021-03-26 00:17:07,933 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:17:07,933 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1394 transitions. [2021-03-26 00:17:07,936 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 154.88888888888889) internal successors, (1394), 9 states have internal predecessors, (1394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:07,938 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 180.0) internal successors, (1800), 10 states have internal predecessors, (1800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:07,939 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 180.0) internal successors, (1800), 10 states have internal predecessors, (1800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:07,939 INFO L185 Difference]: Start difference. First operand has 70 places, 57 transitions, 464 flow. Second operand 9 states and 1394 transitions. [2021-03-26 00:17:07,939 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 59 transitions, 520 flow [2021-03-26 00:17:07,944 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 59 transitions, 447 flow, removed 11 selfloop flow, removed 8 redundant places. [2021-03-26 00:17:07,945 INFO L241 Difference]: Finished difference. Result has 73 places, 50 transitions, 376 flow [2021-03-26 00:17:07,945 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=180, PETRI_DIFFERENCE_MINUEND_FLOW=369, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=376, PETRI_PLACES=73, PETRI_TRANSITIONS=50} [2021-03-26 00:17:07,946 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, 23 predicate places. [2021-03-26 00:17:07,946 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:17:07,946 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 50 transitions, 376 flow [2021-03-26 00:17:07,946 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 50 transitions, 376 flow [2021-03-26 00:17:07,947 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 72 places, 50 transitions, 376 flow [2021-03-26 00:17:07,969 INFO L129 PetriNetUnfolder]: 68/231 cut-off events. [2021-03-26 00:17:07,969 INFO L130 PetriNetUnfolder]: For 853/969 co-relation queries the response was YES. [2021-03-26 00:17:07,971 INFO L84 FinitePrefix]: Finished finitePrefix Result has 960 conditions, 231 events. 68/231 cut-off events. For 853/969 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 1509 event pairs, 2 based on Foata normal form. 6/222 useless extension candidates. Maximal degree in co-relation 928. Up to 60 conditions per place. [2021-03-26 00:17:07,973 INFO L142 LiptonReduction]: Number of co-enabled transitions 446 [2021-03-26 00:17:08,667 WARN L205 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 184 [2021-03-26 00:17:08,900 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2021-03-26 00:17:10,235 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 338 DAG size of output: 260 [2021-03-26 00:17:10,700 WARN L205 SmtUtils]: Spent 462.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2021-03-26 00:17:10,881 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 57 [2021-03-26 00:17:11,249 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 80 [2021-03-26 00:17:11,359 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-03-26 00:17:11,604 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2021-03-26 00:17:11,887 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2021-03-26 00:17:12,425 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2021-03-26 00:17:12,956 WARN L205 SmtUtils]: Spent 530.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2021-03-26 00:17:12,965 INFO L154 LiptonReduction]: Checked pairs total: 531 [2021-03-26 00:17:12,965 INFO L156 LiptonReduction]: Total number of compositions: 6 [2021-03-26 00:17:12,965 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5019 [2021-03-26 00:17:12,966 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 45 transitions, 355 flow [2021-03-26 00:17:12,966 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 152.83333333333334) internal successors, (917), 6 states have internal predecessors, (917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:12,966 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:17:12,966 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] [2021-03-26 00:17:12,966 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-26 00:17:12,966 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:17:12,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:17:12,967 INFO L82 PathProgramCache]: Analyzing trace with hash -659818639, now seen corresponding path program 1 times [2021-03-26 00:17:12,967 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:17:12,967 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249329142] [2021-03-26 00:17:12,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:17:12,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:17:13,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:17:13,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:17:13,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:17:13,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:17:13,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:17:13,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:17:13,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:17:13,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249329142] [2021-03-26 00:17:13,025 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:17:13,025 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:17:13,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075101845] [2021-03-26 00:17:13,025 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 00:17:13,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:17:13,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 00:17:13,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 00:17:13,027 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 183 [2021-03-26 00:17:13,027 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 45 transitions, 355 flow. Second operand has 4 states, 4 states have (on average 159.0) internal successors, (636), 4 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:13,027 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:17:13,027 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 183 [2021-03-26 00:17:13,027 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:17:13,072 INFO L129 PetriNetUnfolder]: 86/238 cut-off events. [2021-03-26 00:17:13,072 INFO L130 PetriNetUnfolder]: For 1432/1509 co-relation queries the response was YES. [2021-03-26 00:17:13,073 INFO L84 FinitePrefix]: Finished finitePrefix Result has 966 conditions, 238 events. 86/238 cut-off events. For 1432/1509 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1255 event pairs, 4 based on Foata normal form. 23/249 useless extension candidates. Maximal degree in co-relation 932. Up to 86 conditions per place. [2021-03-26 00:17:13,074 INFO L132 encePairwiseOnDemand]: 180/183 looper letters, 3 selfloop transitions, 1 changer transitions 9/40 dead transitions. [2021-03-26 00:17:13,074 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 40 transitions, 310 flow [2021-03-26 00:17:13,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 00:17:13,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 00:17:13,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 638 transitions. [2021-03-26 00:17:13,077 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8715846994535519 [2021-03-26 00:17:13,077 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 638 transitions. [2021-03-26 00:17:13,077 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 638 transitions. [2021-03-26 00:17:13,077 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:17:13,077 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 638 transitions. [2021-03-26 00:17:13,078 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 159.5) internal successors, (638), 4 states have internal predecessors, (638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:13,080 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 183.0) internal successors, (915), 5 states have internal predecessors, (915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:13,080 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 183.0) internal successors, (915), 5 states have internal predecessors, (915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:13,080 INFO L185 Difference]: Start difference. First operand has 70 places, 45 transitions, 355 flow. Second operand 4 states and 638 transitions. [2021-03-26 00:17:13,080 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 40 transitions, 310 flow [2021-03-26 00:17:13,083 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 40 transitions, 240 flow, removed 20 selfloop flow, removed 13 redundant places. [2021-03-26 00:17:13,084 INFO L241 Difference]: Finished difference. Result has 55 places, 31 transitions, 179 flow [2021-03-26 00:17:13,084 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=228, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=179, PETRI_PLACES=55, PETRI_TRANSITIONS=31} [2021-03-26 00:17:13,084 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, 5 predicate places. [2021-03-26 00:17:13,084 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:17:13,084 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 31 transitions, 179 flow [2021-03-26 00:17:13,085 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 31 transitions, 179 flow [2021-03-26 00:17:13,085 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 31 transitions, 179 flow [2021-03-26 00:17:13,094 INFO L129 PetriNetUnfolder]: 25/92 cut-off events. [2021-03-26 00:17:13,094 INFO L130 PetriNetUnfolder]: For 143/146 co-relation queries the response was YES. [2021-03-26 00:17:13,095 INFO L84 FinitePrefix]: Finished finitePrefix Result has 309 conditions, 92 events. 25/92 cut-off events. For 143/146 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 348 event pairs, 1 based on Foata normal form. 3/94 useless extension candidates. Maximal degree in co-relation 286. Up to 30 conditions per place. [2021-03-26 00:17:13,096 INFO L142 LiptonReduction]: Number of co-enabled transitions 162 [2021-03-26 00:17:13,201 INFO L154 LiptonReduction]: Checked pairs total: 55 [2021-03-26 00:17:13,201 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 00:17:13,201 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 117 [2021-03-26 00:17:13,202 INFO L480 AbstractCegarLoop]: Abstraction has has 48 places, 29 transitions, 178 flow [2021-03-26 00:17:13,202 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 159.0) internal successors, (636), 4 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:17:13,202 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:17:13,202 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:17:13,202 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-26 00:17:13,203 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:17:13,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:17:13,203 INFO L82 PathProgramCache]: Analyzing trace with hash 395048023, now seen corresponding path program 1 times [2021-03-26 00:17:13,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:17:13,203 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079684641] [2021-03-26 00:17:13,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:17:13,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 00:17:13,235 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 00:17:13,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 00:17:13,284 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 00:17:13,331 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-26 00:17:13,331 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-26 00:17:13,331 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-26 00:17:13,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 12:17:13 BasicIcfg [2021-03-26 00:17:13,416 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 00:17:13,417 INFO L168 Benchmark]: Toolchain (without parser) took 25925.32 ms. Allocated memory was 255.9 MB in the beginning and 767.6 MB in the end (delta: 511.7 MB). Free memory was 234.1 MB in the beginning and 419.6 MB in the end (delta: -185.5 MB). Peak memory consumption was 326.4 MB. Max. memory is 16.0 GB. [2021-03-26 00:17:13,417 INFO L168 Benchmark]: CDTParser took 0.59 ms. Allocated memory is still 255.9 MB. Free memory is still 237.8 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 00:17:13,417 INFO L168 Benchmark]: CACSL2BoogieTranslator took 508.86 ms. Allocated memory was 255.9 MB in the beginning and 358.6 MB in the end (delta: 102.8 MB). Free memory was 233.5 MB in the beginning and 319.0 MB in the end (delta: -85.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. [2021-03-26 00:17:13,417 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.91 ms. Allocated memory is still 358.6 MB. Free memory was 319.0 MB in the beginning and 316.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 00:17:13,417 INFO L168 Benchmark]: Boogie Preprocessor took 26.04 ms. Allocated memory is still 358.6 MB. Free memory was 316.2 MB in the beginning and 313.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-26 00:17:13,418 INFO L168 Benchmark]: RCFGBuilder took 2050.20 ms. Allocated memory is still 358.6 MB. Free memory was 313.4 MB in the beginning and 216.5 MB in the end (delta: 96.9 MB). Peak memory consumption was 100.8 MB. Max. memory is 16.0 GB. [2021-03-26 00:17:13,418 INFO L168 Benchmark]: TraceAbstraction took 23256.49 ms. Allocated memory was 358.6 MB in the beginning and 767.6 MB in the end (delta: 408.9 MB). Free memory was 215.4 MB in the beginning and 419.6 MB in the end (delta: -204.2 MB). Peak memory consumption was 205.8 MB. Max. memory is 16.0 GB. [2021-03-26 00:17:13,419 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59 ms. Allocated memory is still 255.9 MB. Free memory is still 237.8 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 508.86 ms. Allocated memory was 255.9 MB in the beginning and 358.6 MB in the end (delta: 102.8 MB). Free memory was 233.5 MB in the beginning and 319.0 MB in the end (delta: -85.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 77.91 ms. Allocated memory is still 358.6 MB. Free memory was 319.0 MB in the beginning and 316.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 26.04 ms. Allocated memory is still 358.6 MB. Free memory was 316.2 MB in the beginning and 313.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2050.20 ms. Allocated memory is still 358.6 MB. Free memory was 313.4 MB in the beginning and 216.5 MB in the end (delta: 96.9 MB). Peak memory consumption was 100.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 23256.49 ms. Allocated memory was 358.6 MB in the beginning and 767.6 MB in the end (delta: 408.9 MB). Free memory was 215.4 MB in the beginning and 419.6 MB in the end (delta: -204.2 MB). Peak memory consumption was 205.8 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8604.6ms, 107 PlacesBefore, 50 PlacesAfterwards, 99 TransitionsBefore, 41 TransitionsAfterwards, 1854 CoEnabledTransitionPairs, 4 FixpointIterations, 28 TrivialSequentialCompositions, 34 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 65 TotalNumberOfCompositions, 3054 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1423, positive: 1347, positive conditional: 1347, positive unconditional: 0, negative: 76, negative conditional: 76, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1115, positive: 1071, positive conditional: 0, positive unconditional: 1071, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1115, positive: 1071, positive conditional: 0, positive unconditional: 1071, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1115, positive: 1066, positive conditional: 0, positive unconditional: 1066, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 49, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 931, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 916, negative conditional: 0, negative unconditional: 916, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1423, positive: 276, positive conditional: 276, positive unconditional: 0, negative: 32, negative conditional: 32, negative unconditional: 0, unknown: 1115, unknown conditional: 1115, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 124, Positive cache size: 103, Positive conditional cache size: 103, Positive unconditional cache size: 0, Negative cache size: 21, Negative conditional cache size: 21, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3753.4ms, 47 PlacesBefore, 31 PlacesAfterwards, 34 TransitionsBefore, 22 TransitionsAfterwards, 290 CoEnabledTransitionPairs, 4 FixpointIterations, 9 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 12 TotalNumberOfCompositions, 1165 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 337, positive: 255, positive conditional: 255, positive unconditional: 0, negative: 82, negative conditional: 82, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 68, positive: 55, positive conditional: 13, positive unconditional: 42, negative: 13, negative conditional: 2, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 68, positive: 55, positive conditional: 13, positive unconditional: 42, negative: 13, negative conditional: 2, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 68, positive: 54, positive conditional: 0, positive unconditional: 54, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 14, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 13, negative conditional: 2, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 186, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 153, negative conditional: 34, negative unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 337, positive: 200, positive conditional: 200, positive unconditional: 0, negative: 69, negative conditional: 69, negative unconditional: 0, unknown: 68, unknown conditional: 68, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 108, Positive cache size: 88, Positive conditional cache size: 88, Positive unconditional cache size: 0, Negative cache size: 20, Negative conditional cache size: 20, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 978.4ms, 32 PlacesBefore, 31 PlacesAfterwards, 22 TransitionsBefore, 21 TransitionsAfterwards, 214 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 518 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 132, positive: 92, positive conditional: 92, positive unconditional: 0, negative: 40, negative conditional: 40, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 4, positive conditional: 3, positive unconditional: 1, negative: 6, negative conditional: 2, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10, positive: 4, positive conditional: 3, positive unconditional: 1, negative: 6, negative conditional: 2, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 2, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 66, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 66, negative conditional: 9, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 132, positive: 88, positive conditional: 88, positive unconditional: 0, negative: 34, negative conditional: 34, negative unconditional: 0, unknown: 10, unknown conditional: 10, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 118, Positive cache size: 92, Positive conditional cache size: 92, Positive unconditional cache size: 0, Negative cache size: 26, Negative conditional cache size: 26, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 241.1ms, 32 PlacesBefore, 32 PlacesAfterwards, 24 TransitionsBefore, 24 TransitionsAfterwards, 234 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 213 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 66, positive: 51, positive conditional: 51, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20, positive: 13, positive conditional: 8, positive unconditional: 5, 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: 20, positive: 13, positive conditional: 8, positive unconditional: 5, 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: 20, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 7, negative conditional: 1, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 228, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 228, negative conditional: 43, negative unconditional: 184, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 66, positive: 38, positive conditional: 38, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 138, Positive cache size: 105, Positive conditional cache size: 105, Positive unconditional cache size: 0, Negative cache size: 33, Negative conditional cache size: 33, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 223.1ms, 36 PlacesBefore, 36 PlacesAfterwards, 29 TransitionsBefore, 29 TransitionsAfterwards, 282 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 266 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 55, positive: 39, positive conditional: 39, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 15, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 15, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 205, positive: 28, positive conditional: 28, positive unconditional: 0, negative: 177, negative conditional: 0, negative unconditional: 177, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 55, positive: 30, positive conditional: 30, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 153, Positive cache size: 114, Positive conditional cache size: 114, Positive unconditional cache size: 0, Negative cache size: 39, Negative conditional cache size: 39, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 194.2ms, 42 PlacesBefore, 42 PlacesAfterwards, 35 TransitionsBefore, 35 TransitionsAfterwards, 344 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 391 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 156, positive: 135, positive conditional: 135, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 43, positive: 42, positive conditional: 33, positive unconditional: 9, 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: 43, positive: 42, positive conditional: 33, positive unconditional: 9, 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: 43, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 168, positive: 150, positive conditional: 150, positive unconditional: 0, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 156, positive: 93, positive conditional: 93, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 43, unknown conditional: 43, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 196, Positive cache size: 156, Positive conditional cache size: 156, Positive unconditional cache size: 0, Negative cache size: 40, Negative conditional cache size: 40, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 46.6ms, 45 PlacesBefore, 45 PlacesAfterwards, 40 TransitionsBefore, 40 TransitionsAfterwards, 362 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 369 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 118, positive: 100, positive conditional: 100, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14, positive: 14, positive conditional: 12, positive unconditional: 2, 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: 14, positive: 14, positive conditional: 12, positive unconditional: 2, 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: 14, positive: 14, positive conditional: 0, positive unconditional: 14, 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: 118, positive: 86, positive conditional: 86, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 210, Positive cache size: 170, Positive conditional cache size: 170, Positive unconditional cache size: 0, Negative cache size: 40, Negative conditional cache size: 40, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 33.2ms, 48 PlacesBefore, 48 PlacesAfterwards, 42 TransitionsBefore, 42 TransitionsAfterwards, 368 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 490 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 159, positive: 135, positive conditional: 135, positive unconditional: 0, negative: 24, negative conditional: 24, 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: 10, 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: 10, positive: 10, positive conditional: 10, 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: 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: 159, positive: 125, positive conditional: 125, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 10, unknown conditional: 10, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 220, Positive cache size: 180, Positive conditional cache size: 180, Positive unconditional cache size: 0, Negative cache size: 40, Negative conditional cache size: 40, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 45.3ms, 51 PlacesBefore, 51 PlacesAfterwards, 45 TransitionsBefore, 45 TransitionsAfterwards, 404 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 526 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 205, positive: 180, positive conditional: 180, positive unconditional: 0, negative: 25, negative conditional: 25, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 41, positive: 41, positive conditional: 33, positive unconditional: 8, 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: 41, positive: 41, positive conditional: 33, positive unconditional: 8, 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: 41, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 205, positive: 139, positive conditional: 139, positive unconditional: 0, negative: 25, negative conditional: 25, negative unconditional: 0, unknown: 41, unknown conditional: 41, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 261, Positive cache size: 221, Positive conditional cache size: 221, Positive unconditional cache size: 0, Negative cache size: 40, Negative conditional cache size: 40, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 105.5ms, 54 PlacesBefore, 54 PlacesAfterwards, 46 TransitionsBefore, 46 TransitionsAfterwards, 414 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 285 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 72, positive: 59, positive conditional: 59, positive unconditional: 0, negative: 13, negative conditional: 13, 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: 7, 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: 12, positive: 10, positive conditional: 7, 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: 12, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 48, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 72, positive: 49, positive conditional: 49, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 273, Positive cache size: 231, Positive conditional cache size: 231, Positive unconditional cache size: 0, Negative cache size: 42, Negative conditional cache size: 42, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 68.0ms, 60 PlacesBefore, 60 PlacesAfterwards, 52 TransitionsBefore, 52 TransitionsAfterwards, 542 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 243 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 66, positive: 57, positive conditional: 57, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 4, positive unconditional: 5, 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: 9, positive: 9, positive conditional: 4, positive unconditional: 5, 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: 9, positive: 9, positive conditional: 0, positive unconditional: 9, 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: 66, positive: 48, positive conditional: 48, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 282, Positive cache size: 240, Positive conditional cache size: 240, Positive unconditional cache size: 0, Negative cache size: 42, Negative conditional cache size: 42, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 48.3ms, 68 PlacesBefore, 68 PlacesAfterwards, 57 TransitionsBefore, 57 TransitionsAfterwards, 580 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 229 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 63, positive: 55, positive conditional: 55, 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: 9, positive unconditional: 2, 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: 9, positive unconditional: 2, 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: 63, positive: 44, positive conditional: 44, 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): 293, Positive cache size: 251, Positive conditional cache size: 251, Positive unconditional cache size: 0, Negative cache size: 42, Negative conditional cache size: 42, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 95.8ms, 70 PlacesBefore, 70 PlacesAfterwards, 57 TransitionsBefore, 57 TransitionsAfterwards, 580 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 229 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 63, positive: 55, positive conditional: 55, 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: 8, positive conditional: 7, 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: 10, positive: 8, positive conditional: 7, 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: 10, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 51, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 63, positive: 47, positive conditional: 47, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 10, unknown conditional: 10, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 303, Positive cache size: 259, Positive conditional cache size: 259, Positive unconditional cache size: 0, Negative cache size: 44, Negative conditional cache size: 44, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5018.7ms, 73 PlacesBefore, 70 PlacesAfterwards, 50 TransitionsBefore, 45 TransitionsAfterwards, 446 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 3 ConcurrentYvCompositions, 0 ChoiceCompositions, 6 TotalNumberOfCompositions, 531 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 249, positive: 229, positive conditional: 229, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 82, positive: 82, positive conditional: 75, positive unconditional: 7, 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: 82, positive: 82, positive conditional: 75, positive unconditional: 7, 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: 82, positive: 82, positive conditional: 0, positive unconditional: 82, 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: 249, positive: 147, positive conditional: 147, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 82, unknown conditional: 82, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 190, Positive cache size: 177, Positive conditional cache size: 177, Positive unconditional cache size: 0, Negative cache size: 13, Negative conditional cache size: 13, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 116.4ms, 55 PlacesBefore, 48 PlacesAfterwards, 31 TransitionsBefore, 29 TransitionsAfterwards, 162 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 55 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 52, positive: 51, positive conditional: 51, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 37, positive: 36, positive conditional: 22, positive unconditional: 14, 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: 37, positive: 36, positive conditional: 22, positive unconditional: 14, 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: 37, positive: 36, positive conditional: 0, positive unconditional: 36, 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: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 52, positive: 15, positive conditional: 15, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 37, Positive cache size: 33, Positive conditional cache size: 33, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p1_EAX = 0; [L713] 0 int __unbuffered_p2_EAX = 0; [L715] 0 int __unbuffered_p2_EBX = 0; [L717] 0 int a = 0; [L718] 0 _Bool main$tmp_guard0; [L719] 0 _Bool main$tmp_guard1; [L721] 0 int x = 0; [L722] 0 _Bool x$flush_delayed; [L723] 0 int x$mem_tmp; [L724] 0 _Bool x$r_buff0_thd0; [L725] 0 _Bool x$r_buff0_thd1; [L726] 0 _Bool x$r_buff0_thd2; [L727] 0 _Bool x$r_buff0_thd3; [L728] 0 _Bool x$r_buff1_thd0; [L729] 0 _Bool x$r_buff1_thd1; [L730] 0 _Bool x$r_buff1_thd2; [L731] 0 _Bool x$r_buff1_thd3; [L732] 0 _Bool x$read_delayed; [L733] 0 int *x$read_delayed_var; [L734] 0 int x$w_buff0; [L735] 0 _Bool x$w_buff0_used; [L736] 0 int x$w_buff1; [L737] 0 _Bool x$w_buff1_used; [L739] 0 int y = 0; [L741] 0 int z = 0; [L742] 0 _Bool weak$$choice0; [L743] 0 _Bool weak$$choice2; [L830] 0 pthread_t t1019; [L831] FCALL, FORK 0 pthread_create(&t1019, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=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, z=0] [L832] 0 pthread_t t1020; [L833] FCALL, FORK 0 pthread_create(&t1020, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=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, z=0] [L767] 2 x$w_buff1 = x$w_buff0 [L768] 2 x$w_buff0 = 2 [L769] 2 x$w_buff1_used = x$w_buff0_used [L770] 2 x$w_buff0_used = (_Bool)1 [L18] COND FALSE 2 !(!expression) [L772] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L773] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L774] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L775] 2 x$r_buff1_thd3 = x$r_buff0_thd3 [L776] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, main$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$r_buff0_thd2=1, x$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$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L779] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=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$r_buff0_thd2=1, x$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$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L834] 0 pthread_t t1021; [L835] FCALL, FORK 0 pthread_create(&t1021, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=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$r_buff0_thd2=1, x$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$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L796] 3 y = 1 [L799] 3 z = 1 [L802] 3 __unbuffered_p2_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, arg={0:0}, 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$r_buff0_thd2=1, x$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$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L805] 3 __unbuffered_p2_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, arg={0:0}, 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$r_buff0_thd2=1, x$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$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L747] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, 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$r_buff0_thd2=1, x$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$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L750] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$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$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L782] 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) [L782] 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) [L783] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L783] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L784] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L784] 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 [L785] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L785] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L786] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L786] 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 [L753] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L753] EXPR 1 x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x [L753] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L753] 1 x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L754] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L754] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L755] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L755] 1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L756] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L756] 1 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L757] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L757] 1 x$r_buff1_thd1 = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L760] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L762] 1 return 0; [L789] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L791] 2 return 0; [L808] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L808] EXPR 3 x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x [L808] 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) [L808] 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) [L809] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L809] 3 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L810] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L810] 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 [L811] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L811] 3 x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L812] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L812] 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 [L815] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L817] 3 return 0; [L837] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L841] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L841] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L841] 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) [L841] 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) [L842] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L842] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L843] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L843] 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 [L844] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L844] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L845] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L845] 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 [L848] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L849] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L850] 0 x$flush_delayed = weak$$choice2 [L851] 0 x$mem_tmp = x [L852] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L852] 0 x = !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L853] EXPR 0 weak$$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$w_buff0)) [L853] 0 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L854] EXPR 0 weak$$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$w_buff1)) [L854] 0 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L855] EXPR 0 weak$$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)) [L855] 0 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L856] EXPR 0 weak$$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$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L856] 0 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L857] EXPR 0 weak$$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)) [L857] 0 x$r_buff0_thd0 = weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L858] EXPR 0 weak$$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$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L858] 0 x$r_buff1_thd0 = weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L859] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L860] EXPR 0 x$flush_delayed ? x$mem_tmp : x [L860] 0 x = x$flush_delayed ? x$mem_tmp : x [L861] 0 x$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=55, weak$$choice2=255, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$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$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 101 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 3.4ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 23049.8ms, OverallIterations: 15, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 1452.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8702.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 57 SDtfs, 24 SDslu, 17 SDs, 0 SdLazy, 282 SolverSat, 86 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 379.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 320.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=465occurred in iteration=11, InterpolantAutomatonStates: 63, 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: 48.7ms SsaConstructionTime, 536.0ms SatisfiabilityAnalysisTime, 996.3ms InterpolantComputationTime, 223 NumberOfCodeBlocks, 223 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 190 ConstructedInterpolants, 0 QuantifiedInterpolants, 1166 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 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...