/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/mix021_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 18:45:13,034 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 18:45:13,039 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 18:45:13,096 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 18:45:13,096 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 18:45:13,101 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 18:45:13,104 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 18:45:13,112 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 18:45:13,115 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 18:45:13,118 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 18:45:13,122 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 18:45:13,124 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 18:45:13,124 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 18:45:13,130 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 18:45:13,132 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 18:45:13,134 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 18:45:13,138 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 18:45:13,139 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 18:45:13,146 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 18:45:13,155 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 18:45:13,157 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 18:45:13,159 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 18:45:13,160 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 18:45:13,163 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 18:45:13,172 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 18:45:13,177 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 18:45:13,178 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 18:45:13,181 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 18:45:13,181 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 18:45:13,182 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 18:45:13,183 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 18:45:13,184 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 18:45:13,184 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 18:45:13,184 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 18:45:13,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 18:45:13,186 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 18:45:13,191 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-28 18:45:13,246 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 18:45:13,246 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 18:45:13,250 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 18:45:13,250 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 18:45:13,251 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 18:45:13,251 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 18:45:13,251 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 18:45:13,251 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 18:45:13,251 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 18:45:13,252 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 18:45:13,253 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 18:45:13,253 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 18:45:13,254 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 18:45:13,254 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 18:45:13,254 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 18:45:13,254 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 18:45:13,254 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 18:45:13,255 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 18:45:13,255 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 18:45:13,255 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 18:45:13,256 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 18:45:13,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 18:45:13,256 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 18:45:13,256 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 18:45:13,257 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 18:45:13,257 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 18:45:13,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 18:45:13,257 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 18:45:13,257 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 18:45:13,258 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 18:45:13,258 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 18:45:13,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 18:45:13,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 18:45:13,676 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 18:45:13,678 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 18:45:13,681 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 18:45:13,682 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix021_tso.oepc.i [2021-04-28 18:45:13,774 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f550940a/557b6bc515ac420281e423d18f559aef/FLAG05834cfab [2021-04-28 18:45:14,505 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 18:45:14,506 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix021_tso.oepc.i [2021-04-28 18:45:14,531 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f550940a/557b6bc515ac420281e423d18f559aef/FLAG05834cfab [2021-04-28 18:45:14,800 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f550940a/557b6bc515ac420281e423d18f559aef [2021-04-28 18:45:14,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 18:45:14,850 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 18:45:14,852 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 18:45:14,852 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 18:45:14,856 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 18:45:14,857 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 06:45:14" (1/1) ... [2021-04-28 18:45:14,859 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26b5e30b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:45:14, skipping insertion in model container [2021-04-28 18:45:14,859 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 06:45:14" (1/1) ... [2021-04-28 18:45:14,867 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 18:45:14,916 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 18:45:15,113 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/mix021_tso.oepc.i[949,962] [2021-04-28 18:45:15,457 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 18:45:15,471 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 18:45:15,486 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/mix021_tso.oepc.i[949,962] [2021-04-28 18:45:15,546 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 18:45:15,669 INFO L208 MainTranslator]: Completed translation [2021-04-28 18:45:15,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:45:15 WrapperNode [2021-04-28 18:45:15,670 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 18:45:15,671 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 18:45:15,671 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 18:45:15,671 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 18:45:15,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:45:15" (1/1) ... [2021-04-28 18:45:15,702 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:45:15" (1/1) ... [2021-04-28 18:45:15,741 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 18:45:15,741 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 18:45:15,742 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 18:45:15,742 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 18:45:15,753 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:45:15" (1/1) ... [2021-04-28 18:45:15,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:45:15" (1/1) ... [2021-04-28 18:45:15,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:45:15" (1/1) ... [2021-04-28 18:45:15,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:45:15" (1/1) ... [2021-04-28 18:45:15,771 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:45:15" (1/1) ... [2021-04-28 18:45:15,776 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:45:15" (1/1) ... [2021-04-28 18:45:15,781 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:45:15" (1/1) ... [2021-04-28 18:45:15,787 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 18:45:15,788 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 18:45:15,788 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 18:45:15,788 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 18:45:15,789 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:45:15" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 18:45:15,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 18:45:15,906 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 18:45:15,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 18:45:15,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 18:45:15,908 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 18:45:15,908 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 18:45:15,909 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 18:45:15,909 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 18:45:15,909 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 18:45:15,909 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 18:45:15,910 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-04-28 18:45:15,910 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-04-28 18:45:15,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 18:45:15,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 18:45:15,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 18:45:15,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 18:45:15,913 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 18:45:18,982 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 18:45:18,982 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 18:45:18,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 06:45:18 BoogieIcfgContainer [2021-04-28 18:45:18,984 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 18:45:18,986 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 18:45:18,986 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 18:45:18,990 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 18:45:18,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 06:45:14" (1/3) ... [2021-04-28 18:45:18,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a4b0a8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 06:45:18, skipping insertion in model container [2021-04-28 18:45:18,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:45:15" (2/3) ... [2021-04-28 18:45:18,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a4b0a8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 06:45:18, skipping insertion in model container [2021-04-28 18:45:18,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 06:45:18" (3/3) ... [2021-04-28 18:45:18,994 INFO L111 eAbstractionObserver]: Analyzing ICFG mix021_tso.oepc.i [2021-04-28 18:45:19,002 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 18:45:19,007 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 18:45:19,008 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 18:45:19,060 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,060 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,060 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,061 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,061 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,061 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,061 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,061 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,062 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,062 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,062 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,062 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,063 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,063 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,063 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,063 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,063 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,063 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,064 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,064 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,064 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,064 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,064 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,064 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,065 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,065 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,065 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,066 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,066 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,066 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,066 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,066 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,066 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,067 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,067 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,067 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,068 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,068 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,068 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,068 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,069 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,069 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,069 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,069 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,069 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,069 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,070 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,070 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,070 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,070 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,071 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,071 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,071 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,071 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,071 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,072 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,072 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,072 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,072 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,072 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,072 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,073 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,073 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,073 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,073 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,074 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,074 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,074 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,075 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,075 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,075 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,075 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,075 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,076 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,076 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,076 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,076 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,076 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,076 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,077 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,077 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,077 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,077 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,119 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,119 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,119 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,119 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,125 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,125 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,125 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,126 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,126 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,126 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,126 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,127 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,128 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,128 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,132 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,136 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,137 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,137 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,141 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,142 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,142 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,143 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,143 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,143 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,144 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,144 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,144 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,146 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,147 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,147 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,147 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,147 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,147 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,148 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,148 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,148 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,148 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,152 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,152 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,152 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,153 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,155 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,155 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,155 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,155 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,156 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,156 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,156 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,156 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,156 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,156 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:45:19,158 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 18:45:19,185 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-28 18:45:19,212 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 18:45:19,212 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 18:45:19,212 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 18:45:19,213 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 18:45:19,213 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 18:45:19,213 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 18:45:19,213 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 18:45:19,213 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 18:45:19,228 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 127 places, 116 transitions, 252 flow [2021-04-28 18:45:19,284 INFO L129 PetriNetUnfolder]: 2/112 cut-off events. [2021-04-28 18:45:19,285 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:45:19,291 INFO L84 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 112 events. 2/112 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 89 event pairs, 0 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-04-28 18:45:19,291 INFO L82 GeneralOperation]: Start removeDead. Operand has 127 places, 116 transitions, 252 flow [2021-04-28 18:45:19,298 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 123 places, 112 transitions, 236 flow [2021-04-28 18:45:19,300 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:45:19,322 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 123 places, 112 transitions, 236 flow [2021-04-28 18:45:19,330 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 123 places, 112 transitions, 236 flow [2021-04-28 18:45:19,334 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 123 places, 112 transitions, 236 flow [2021-04-28 18:45:19,393 INFO L129 PetriNetUnfolder]: 2/112 cut-off events. [2021-04-28 18:45:19,394 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:45:19,395 INFO L84 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 112 events. 2/112 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 93 event pairs, 0 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-04-28 18:45:19,403 INFO L146 LiptonReduction]: Number of co-enabled transitions 2630 [2021-04-28 18:45:21,715 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2021-04-28 18:45:25,690 WARN L205 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 18:45:25,858 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 18:45:26,742 WARN L205 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 88 [2021-04-28 18:45:27,109 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 18:45:28,852 WARN L205 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 230 DAG size of output: 190 [2021-04-28 18:45:29,624 WARN L205 SmtUtils]: Spent 767.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 18:45:33,254 WARN L205 SmtUtils]: Spent 3.62 s on a formula simplification. DAG size of input: 314 DAG size of output: 269 [2021-04-28 18:45:34,836 WARN L205 SmtUtils]: Spent 1.58 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-28 18:45:35,433 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2021-04-28 18:45:35,627 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2021-04-28 18:45:35,832 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2021-04-28 18:45:36,043 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2021-04-28 18:45:36,295 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2021-04-28 18:45:36,528 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2021-04-28 18:45:36,747 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2021-04-28 18:45:36,960 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2021-04-28 18:45:41,264 WARN L205 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 232 DAG size of output: 191 [2021-04-28 18:45:42,085 WARN L205 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-04-28 18:45:45,702 WARN L205 SmtUtils]: Spent 3.61 s on a formula simplification. DAG size of input: 316 DAG size of output: 272 [2021-04-28 18:45:47,379 WARN L205 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 269 [2021-04-28 18:45:49,208 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 234 DAG size of output: 194 [2021-04-28 18:45:50,845 WARN L205 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2021-04-28 18:45:54,724 WARN L205 SmtUtils]: Spent 3.87 s on a formula simplification. DAG size of input: 318 DAG size of output: 273 [2021-04-28 18:45:56,517 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 270 [2021-04-28 18:45:58,423 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 230 DAG size of output: 190 [2021-04-28 18:45:59,296 WARN L205 SmtUtils]: Spent 870.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 18:46:03,134 WARN L205 SmtUtils]: Spent 3.83 s on a formula simplification. DAG size of input: 314 DAG size of output: 269 [2021-04-28 18:46:04,939 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-28 18:46:08,745 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 18:46:08,940 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 18:46:09,520 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-28 18:46:12,199 WARN L205 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 233 DAG size of output: 193 [2021-04-28 18:46:13,118 WARN L205 SmtUtils]: Spent 916.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2021-04-28 18:46:17,211 WARN L205 SmtUtils]: Spent 4.09 s on a formula simplification. DAG size of input: 317 DAG size of output: 273 [2021-04-28 18:46:19,178 WARN L205 SmtUtils]: Spent 1.96 s on a formula simplification that was a NOOP. DAG size: 270 [2021-04-28 18:46:21,280 WARN L205 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 232 DAG size of output: 191 [2021-04-28 18:46:22,243 WARN L205 SmtUtils]: Spent 960.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-04-28 18:46:26,652 WARN L205 SmtUtils]: Spent 4.40 s on a formula simplification. DAG size of input: 316 DAG size of output: 272 [2021-04-28 18:46:28,657 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification that was a NOOP. DAG size: 269 [2021-04-28 18:46:30,936 WARN L205 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 233 DAG size of output: 193 [2021-04-28 18:46:31,984 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 191 [2021-04-28 18:46:36,487 WARN L205 SmtUtils]: Spent 4.50 s on a formula simplification. DAG size of input: 317 DAG size of output: 273 [2021-04-28 18:46:38,535 WARN L205 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 270 [2021-04-28 18:46:40,846 WARN L205 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 230 DAG size of output: 190 [2021-04-28 18:46:41,899 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 18:46:46,478 WARN L205 SmtUtils]: Spent 4.57 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-04-28 18:46:48,558 WARN L205 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 18:46:53,976 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 18:46:54,108 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 18:46:54,247 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 18:46:54,382 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 18:46:54,516 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 18:46:54,651 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 18:46:54,785 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 18:46:54,919 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 18:46:55,070 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 18:46:55,217 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 18:46:55,364 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 18:46:55,509 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 18:46:55,630 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 18:46:55,750 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 18:46:55,866 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 18:46:55,980 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 18:46:56,131 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 18:46:56,279 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 18:46:56,435 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 18:46:56,586 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 18:46:56,708 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 18:46:56,838 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 18:46:56,952 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 18:46:57,061 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 18:46:57,189 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 18:46:57,319 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 18:46:57,443 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 18:46:57,571 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 18:46:57,696 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 18:46:57,814 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 18:46:57,931 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 18:46:58,045 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 18:47:00,326 WARN L205 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 230 DAG size of output: 190 [2021-04-28 18:47:01,365 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 18:47:06,138 WARN L205 SmtUtils]: Spent 4.77 s on a formula simplification. DAG size of input: 314 DAG size of output: 269 [2021-04-28 18:47:08,371 WARN L205 SmtUtils]: Spent 2.23 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-28 18:47:10,784 WARN L205 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 233 DAG size of output: 192 [2021-04-28 18:47:11,881 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 190 [2021-04-28 18:47:17,028 WARN L205 SmtUtils]: Spent 5.14 s on a formula simplification. DAG size of input: 317 DAG size of output: 273 [2021-04-28 18:47:19,396 WARN L205 SmtUtils]: Spent 2.36 s on a formula simplification that was a NOOP. DAG size: 270 [2021-04-28 18:47:21,922 WARN L205 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 232 DAG size of output: 191 [2021-04-28 18:47:23,090 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 189 [2021-04-28 18:47:28,190 WARN L205 SmtUtils]: Spent 5.09 s on a formula simplification. DAG size of input: 316 DAG size of output: 272 [2021-04-28 18:47:30,597 WARN L205 SmtUtils]: Spent 2.41 s on a formula simplification that was a NOOP. DAG size: 269 [2021-04-28 18:47:30,838 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-04-28 18:47:30,943 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-04-28 18:47:31,049 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-04-28 18:47:31,564 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 18:47:31,717 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 18:47:31,873 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 18:47:32,028 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 18:47:32,201 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 18:47:32,373 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 18:47:32,546 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 18:47:32,720 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 18:47:32,886 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 18:47:33,049 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 18:47:33,215 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 18:47:33,380 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 18:47:33,485 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-04-28 18:47:33,590 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-04-28 18:47:33,696 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-04-28 18:47:33,801 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-04-28 18:47:33,985 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 18:47:34,167 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 18:47:34,350 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 18:47:34,543 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 18:47:34,946 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-04-28 18:47:35,075 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-04-28 18:47:35,205 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-04-28 18:47:35,334 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-04-28 18:47:35,451 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2021-04-28 18:47:35,561 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2021-04-28 18:47:35,675 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2021-04-28 18:47:35,780 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2021-04-28 18:47:35,901 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-04-28 18:47:36,022 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-04-28 18:47:36,144 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-04-28 18:47:36,265 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-04-28 18:47:36,404 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-04-28 18:47:36,538 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-04-28 18:47:36,676 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-04-28 18:47:36,813 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-04-28 18:47:37,333 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-04-28 18:47:37,463 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-04-28 18:47:37,592 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-04-28 18:47:37,720 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-04-28 18:47:39,048 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-04-28 18:47:39,186 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-04-28 18:47:39,325 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-04-28 18:47:39,464 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-04-28 18:47:39,918 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-28 18:47:40,067 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-28 18:47:40,218 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-28 18:47:40,368 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-28 18:47:40,921 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 18:47:41,160 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 18:47:41,399 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 18:47:41,633 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 18:47:41,833 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:47:42,032 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:47:42,244 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:47:42,450 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:47:42,684 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 18:47:42,914 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 18:47:43,148 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 18:47:43,384 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 18:47:43,600 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:47:43,814 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:47:44,032 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:47:44,249 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:47:44,517 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:47:44,785 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:47:45,051 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:47:45,306 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:47:45,513 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:47:45,720 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:47:45,920 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:47:46,123 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:47:46,305 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 18:47:46,486 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 18:47:46,674 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 18:47:46,861 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 18:47:47,050 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 18:47:47,237 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 18:47:47,439 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 18:47:47,628 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 18:47:47,867 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:47:48,102 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:47:48,341 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:47:48,581 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:47:48,727 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-04-28 18:47:48,854 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-04-28 18:47:48,984 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-04-28 18:47:49,114 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-04-28 18:47:49,338 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:47:49,560 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:47:49,783 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:47:50,006 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:47:50,219 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 18:47:50,432 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 18:47:50,644 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 18:47:50,855 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 18:47:51,021 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 18:47:51,185 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 18:47:51,349 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 18:47:51,511 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 18:47:51,705 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 18:47:51,897 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 18:47:52,090 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 18:47:52,282 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 18:47:52,456 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 18:47:52,631 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 18:47:52,814 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 18:47:52,988 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 18:47:53,308 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 18:47:53,629 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 18:47:53,955 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 18:47:54,275 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 18:47:54,498 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:47:54,721 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:47:54,943 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:47:55,165 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:47:55,386 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:47:55,609 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:47:55,832 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:47:56,055 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:47:56,278 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:47:56,501 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:47:56,724 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:47:56,946 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:47:57,148 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 18:47:57,350 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 18:47:57,552 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 18:47:57,753 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 18:47:57,977 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:47:58,208 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:47:58,431 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:47:58,653 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:47:58,991 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 18:47:59,328 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 18:47:59,668 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 18:48:00,007 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 18:48:00,306 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:48:00,603 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:48:00,917 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:48:01,224 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:48:01,585 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:48:01,942 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:48:02,295 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:48:02,649 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:48:02,861 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:48:03,073 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:48:03,279 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:48:03,482 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:48:03,759 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:48:04,039 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:48:04,321 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:48:04,606 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:48:04,935 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:48:05,266 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:48:05,595 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:48:05,929 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:48:06,264 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:48:06,594 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:48:06,930 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:48:07,266 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:48:07,557 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:48:07,851 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:48:08,147 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:48:08,446 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:48:08,778 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:48:09,098 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:48:09,427 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:48:09,763 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:48:10,013 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 18:48:10,260 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 18:48:10,512 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 18:48:10,772 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 18:48:11,176 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:48:11,577 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:48:11,976 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:48:12,372 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:48:12,804 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:48:13,230 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:48:13,654 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:48:14,070 WARN L205 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:48:14,518 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:48:14,964 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:48:15,407 WARN L205 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:48:15,861 WARN L205 SmtUtils]: Spent 452.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:48:16,264 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:48:16,669 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:48:17,081 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:48:17,495 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:48:17,843 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:48:18,195 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:48:18,542 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:48:18,883 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:48:19,364 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:48:19,817 WARN L205 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:48:20,270 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:48:20,725 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:48:21,233 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:48:21,734 WARN L205 SmtUtils]: Spent 499.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:48:22,230 WARN L205 SmtUtils]: Spent 495.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:48:22,740 WARN L205 SmtUtils]: Spent 508.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:48:23,223 WARN L205 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 18:48:23,717 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 18:48:24,214 WARN L205 SmtUtils]: Spent 495.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 18:48:24,713 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 18:48:25,017 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:48:25,322 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:48:25,631 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:48:25,944 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:48:26,306 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:48:26,664 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:48:27,012 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:48:27,356 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:48:27,786 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:48:28,220 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:48:28,640 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:48:29,066 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:48:29,526 WARN L205 SmtUtils]: Spent 457.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:48:29,991 WARN L205 SmtUtils]: Spent 462.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:48:30,481 WARN L205 SmtUtils]: Spent 487.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:48:30,970 WARN L205 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:48:31,497 WARN L205 SmtUtils]: Spent 525.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:48:32,017 WARN L205 SmtUtils]: Spent 517.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:48:32,526 WARN L205 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:48:33,039 WARN L205 SmtUtils]: Spent 511.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:48:34,336 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-28 18:48:34,941 WARN L205 SmtUtils]: Spent 603.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-04-28 18:48:36,230 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-28 18:48:36,845 WARN L205 SmtUtils]: Spent 612.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-04-28 18:48:38,190 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 18:48:38,837 WARN L205 SmtUtils]: Spent 644.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-04-28 18:48:40,137 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 18:48:40,773 WARN L205 SmtUtils]: Spent 634.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-04-28 18:48:41,287 WARN L205 SmtUtils]: Spent 512.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:48:41,807 WARN L205 SmtUtils]: Spent 517.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:48:42,318 WARN L205 SmtUtils]: Spent 510.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:48:42,829 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:48:43,330 WARN L205 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:48:43,827 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:48:44,344 WARN L205 SmtUtils]: Spent 514.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:48:44,854 WARN L205 SmtUtils]: Spent 508.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:48:45,370 WARN L205 SmtUtils]: Spent 513.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:48:45,883 WARN L205 SmtUtils]: Spent 511.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:48:46,384 WARN L205 SmtUtils]: Spent 499.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:48:46,904 WARN L205 SmtUtils]: Spent 518.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:48:47,333 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:48:47,746 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:48:48,169 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:48:48,589 WARN L205 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:48:48,658 INFO L158 LiptonReduction]: Checked pairs total: 26113 [2021-04-28 18:48:48,658 INFO L160 LiptonReduction]: Total number of compositions: 275 [2021-04-28 18:48:48,663 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 209365 [2021-04-28 18:48:48,689 INFO L129 PetriNetUnfolder]: 0/82 cut-off events. [2021-04-28 18:48:48,689 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:48:48,690 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:48:48,690 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:48:48,691 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:48:48,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:48:48,697 INFO L82 PathProgramCache]: Analyzing trace with hash -914108323, now seen corresponding path program 1 times [2021-04-28 18:48:48,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:48:48,707 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934231700] [2021-04-28 18:48:48,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:48:48,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:48:49,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:48:49,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 18:48:49,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:48:49,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934231700] [2021-04-28 18:48:49,088 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:48:49,088 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 18:48:49,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158994647] [2021-04-28 18:48:49,099 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 18:48:49,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:48:49,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 18:48:49,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 18:48:49,121 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 391 [2021-04-28 18:48:49,127 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 144 transitions, 300 flow. Second operand has 3 states, 3 states have (on average 303.6666666666667) internal successors, (911), 3 states have internal predecessors, (911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:49,127 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:48:49,127 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 391 [2021-04-28 18:48:49,129 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:48:49,807 INFO L129 PetriNetUnfolder]: 329/808 cut-off events. [2021-04-28 18:48:49,807 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:48:49,813 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1367 conditions, 808 events. 329/808 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 5939 event pairs, 195 based on Foata normal form. 11/397 useless extension candidates. Maximal degree in co-relation 1285. Up to 401 conditions per place. [2021-04-28 18:48:49,816 INFO L132 encePairwiseOnDemand]: 372/391 looper letters, 9 selfloop transitions, 2 changer transitions 103/157 dead transitions. [2021-04-28 18:48:49,817 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 157 transitions, 428 flow [2021-04-28 18:48:49,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 18:48:49,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 18:48:49,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 963 transitions. [2021-04-28 18:48:49,840 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8209718670076727 [2021-04-28 18:48:49,841 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 963 transitions. [2021-04-28 18:48:49,842 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 963 transitions. [2021-04-28 18:48:49,850 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:48:49,855 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 963 transitions. [2021-04-28 18:48:49,864 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 321.0) internal successors, (963), 3 states have internal predecessors, (963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:49,882 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 391.0) internal successors, (1564), 4 states have internal predecessors, (1564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:49,884 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 391.0) internal successors, (1564), 4 states have internal predecessors, (1564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:49,887 INFO L185 Difference]: Start difference. First operand has 155 places, 144 transitions, 300 flow. Second operand 3 states and 963 transitions. [2021-04-28 18:48:49,888 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 157 transitions, 428 flow [2021-04-28 18:48:49,892 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 157 transitions, 424 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-28 18:48:49,896 INFO L241 Difference]: Finished difference. Result has 150 places, 50 transitions, 112 flow [2021-04-28 18:48:49,899 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=391, PETRI_DIFFERENCE_MINUEND_FLOW=286, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=112, PETRI_PLACES=150, PETRI_TRANSITIONS=50} [2021-04-28 18:48:49,900 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -5 predicate places. [2021-04-28 18:48:49,900 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:48:49,900 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 150 places, 50 transitions, 112 flow [2021-04-28 18:48:49,902 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 150 places, 50 transitions, 112 flow [2021-04-28 18:48:49,903 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 50 transitions, 112 flow [2021-04-28 18:48:49,918 INFO L129 PetriNetUnfolder]: 0/50 cut-off events. [2021-04-28 18:48:49,918 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:48:49,918 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62 conditions, 50 events. 0/50 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 172 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 18:48:49,920 INFO L146 LiptonReduction]: Number of co-enabled transitions 1494 [2021-04-28 18:48:50,201 INFO L158 LiptonReduction]: Checked pairs total: 1518 [2021-04-28 18:48:50,202 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:48:50,202 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 302 [2021-04-28 18:48:50,204 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 50 transitions, 112 flow [2021-04-28 18:48:50,205 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 303.6666666666667) internal successors, (911), 3 states have internal predecessors, (911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:50,205 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:48:50,205 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:48:50,205 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 18:48:50,206 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:48:50,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:48:50,206 INFO L82 PathProgramCache]: Analyzing trace with hash -891907862, now seen corresponding path program 1 times [2021-04-28 18:48:50,206 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:48:50,207 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54901410] [2021-04-28 18:48:50,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:48:50,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:48:50,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:48:50,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:48:50,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:48:50,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54901410] [2021-04-28 18:48:50,356 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:48:50,356 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 18:48:50,357 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099397207] [2021-04-28 18:48:50,358 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 18:48:50,358 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:48:50,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 18:48:50,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 18:48:50,360 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 272 out of 391 [2021-04-28 18:48:50,362 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 50 transitions, 112 flow. Second operand has 3 states, 3 states have (on average 272.6666666666667) internal successors, (818), 3 states have internal predecessors, (818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:50,362 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:48:50,362 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 272 of 391 [2021-04-28 18:48:50,362 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:48:50,383 INFO L129 PetriNetUnfolder]: 0/50 cut-off events. [2021-04-28 18:48:50,384 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:48:50,384 INFO L84 FinitePrefix]: Finished finitePrefix Result has 66 conditions, 50 events. 0/50 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 158 event pairs, 0 based on Foata normal form. 1/29 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 18:48:50,384 INFO L132 encePairwiseOnDemand]: 388/391 looper letters, 1 selfloop transitions, 2 changer transitions 12/50 dead transitions. [2021-04-28 18:48:50,384 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 50 transitions, 118 flow [2021-04-28 18:48:50,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 18:48:50,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 18:48:50,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 820 transitions. [2021-04-28 18:48:50,391 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6990622335890878 [2021-04-28 18:48:50,391 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 820 transitions. [2021-04-28 18:48:50,392 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 820 transitions. [2021-04-28 18:48:50,392 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:48:50,392 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 820 transitions. [2021-04-28 18:48:50,395 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 273.3333333333333) internal successors, (820), 3 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:50,399 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 391.0) internal successors, (1564), 4 states have internal predecessors, (1564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:50,401 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 391.0) internal successors, (1564), 4 states have internal predecessors, (1564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:50,401 INFO L185 Difference]: Start difference. First operand has 61 places, 50 transitions, 112 flow. Second operand 3 states and 820 transitions. [2021-04-28 18:48:50,401 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 50 transitions, 118 flow [2021-04-28 18:48:50,402 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 50 transitions, 114 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 18:48:50,404 INFO L241 Difference]: Finished difference. Result has 62 places, 38 transitions, 92 flow [2021-04-28 18:48:50,404 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=391, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=92, PETRI_PLACES=62, PETRI_TRANSITIONS=38} [2021-04-28 18:48:50,404 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -93 predicate places. [2021-04-28 18:48:50,405 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:48:50,405 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 38 transitions, 92 flow [2021-04-28 18:48:50,405 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 38 transitions, 92 flow [2021-04-28 18:48:50,406 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 38 transitions, 92 flow [2021-04-28 18:48:50,412 INFO L129 PetriNetUnfolder]: 0/38 cut-off events. [2021-04-28 18:48:50,412 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:48:50,413 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53 conditions, 38 events. 0/38 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 85 event pairs, 0 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 18:48:50,414 INFO L146 LiptonReduction]: Number of co-enabled transitions 860 [2021-04-28 18:48:50,927 INFO L158 LiptonReduction]: Checked pairs total: 2094 [2021-04-28 18:48:50,927 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 18:48:50,927 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 522 [2021-04-28 18:48:50,929 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 38 transitions, 92 flow [2021-04-28 18:48:50,930 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 272.6666666666667) internal successors, (818), 3 states have internal predecessors, (818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:50,930 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:48:50,930 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:48:50,930 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 18:48:50,930 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:48:50,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:48:50,931 INFO L82 PathProgramCache]: Analyzing trace with hash 1869884831, now seen corresponding path program 1 times [2021-04-28 18:48:50,931 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:48:50,931 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794176208] [2021-04-28 18:48:50,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:48:50,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:48:51,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:48:51,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:48:51,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:48:51,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794176208] [2021-04-28 18:48:51,061 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:48:51,061 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 18:48:51,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671245841] [2021-04-28 18:48:51,061 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 18:48:51,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:48:51,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 18:48:51,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 18:48:51,064 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 283 out of 392 [2021-04-28 18:48:51,066 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 38 transitions, 92 flow. Second operand has 3 states, 3 states have (on average 283.6666666666667) internal successors, (851), 3 states have internal predecessors, (851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:51,066 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:48:51,066 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 283 of 392 [2021-04-28 18:48:51,066 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:48:51,091 INFO L129 PetriNetUnfolder]: 3/54 cut-off events. [2021-04-28 18:48:51,091 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-04-28 18:48:51,092 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 54 events. 3/54 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 155 event pairs, 1 based on Foata normal form. 1/39 useless extension candidates. Maximal degree in co-relation 72. Up to 10 conditions per place. [2021-04-28 18:48:51,092 INFO L132 encePairwiseOnDemand]: 388/392 looper letters, 3 selfloop transitions, 3 changer transitions 0/40 dead transitions. [2021-04-28 18:48:51,092 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 40 transitions, 108 flow [2021-04-28 18:48:51,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 18:48:51,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 18:48:51,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 856 transitions. [2021-04-28 18:48:51,099 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7278911564625851 [2021-04-28 18:48:51,099 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 856 transitions. [2021-04-28 18:48:51,099 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 856 transitions. [2021-04-28 18:48:51,100 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:48:51,100 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 856 transitions. [2021-04-28 18:48:51,103 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 285.3333333333333) internal successors, (856), 3 states have internal predecessors, (856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:51,107 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 392.0) internal successors, (1568), 4 states have internal predecessors, (1568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:51,109 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 392.0) internal successors, (1568), 4 states have internal predecessors, (1568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:51,109 INFO L185 Difference]: Start difference. First operand has 50 places, 38 transitions, 92 flow. Second operand 3 states and 856 transitions. [2021-04-28 18:48:51,109 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 40 transitions, 108 flow [2021-04-28 18:48:51,110 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 40 transitions, 104 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 18:48:51,111 INFO L241 Difference]: Finished difference. Result has 51 places, 40 transitions, 107 flow [2021-04-28 18:48:51,111 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=392, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=107, PETRI_PLACES=51, PETRI_TRANSITIONS=40} [2021-04-28 18:48:51,111 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -104 predicate places. [2021-04-28 18:48:51,112 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:48:51,112 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 40 transitions, 107 flow [2021-04-28 18:48:51,112 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 40 transitions, 107 flow [2021-04-28 18:48:51,113 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 40 transitions, 107 flow [2021-04-28 18:48:51,122 INFO L129 PetriNetUnfolder]: 3/54 cut-off events. [2021-04-28 18:48:51,122 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-04-28 18:48:51,123 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 54 events. 3/54 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 151 event pairs, 1 based on Foata normal form. 0/37 useless extension candidates. Maximal degree in co-relation 73. Up to 10 conditions per place. [2021-04-28 18:48:51,124 INFO L146 LiptonReduction]: Number of co-enabled transitions 934 [2021-04-28 18:48:51,140 INFO L158 LiptonReduction]: Checked pairs total: 833 [2021-04-28 18:48:51,140 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:48:51,141 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 29 [2021-04-28 18:48:51,142 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 40 transitions, 107 flow [2021-04-28 18:48:51,143 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 283.6666666666667) internal successors, (851), 3 states have internal predecessors, (851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:51,143 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:48:51,143 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:48:51,143 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 18:48:51,143 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:48:51,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:48:51,144 INFO L82 PathProgramCache]: Analyzing trace with hash 2054269173, now seen corresponding path program 1 times [2021-04-28 18:48:51,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:48:51,144 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650188679] [2021-04-28 18:48:51,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:48:51,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:48:51,278 INFO L142 QuantifierPusher]: treesize reduction 30, result has 30.2 percent of original size [2021-04-28 18:48:51,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 18:48:51,312 INFO L142 QuantifierPusher]: treesize reduction 25, result has 45.7 percent of original size [2021-04-28 18:48:51,314 INFO L147 QuantifierPusher]: treesize reduction 3, result has 85.7 percent of original size 18 [2021-04-28 18:48:51,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:48:51,361 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650188679] [2021-04-28 18:48:51,361 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:48:51,361 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 18:48:51,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038414667] [2021-04-28 18:48:51,362 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:48:51,362 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:48:51,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:48:51,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:48:51,365 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 392 [2021-04-28 18:48:51,367 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 40 transitions, 107 flow. Second operand has 4 states, 4 states have (on average 247.75) internal successors, (991), 4 states have internal predecessors, (991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:51,367 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:48:51,367 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 392 [2021-04-28 18:48:51,367 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:48:51,582 INFO L129 PetriNetUnfolder]: 176/418 cut-off events. [2021-04-28 18:48:51,583 INFO L130 PetriNetUnfolder]: For 122/122 co-relation queries the response was YES. [2021-04-28 18:48:51,585 INFO L84 FinitePrefix]: Finished finitePrefix Result has 788 conditions, 418 events. 176/418 cut-off events. For 122/122 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 2452 event pairs, 21 based on Foata normal form. 6/323 useless extension candidates. Maximal degree in co-relation 777. Up to 245 conditions per place. [2021-04-28 18:48:51,589 INFO L132 encePairwiseOnDemand]: 385/392 looper letters, 9 selfloop transitions, 7 changer transitions 0/48 dead transitions. [2021-04-28 18:48:51,590 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 48 transitions, 155 flow [2021-04-28 18:48:51,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 18:48:51,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 18:48:51,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1006 transitions. [2021-04-28 18:48:51,597 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6415816326530612 [2021-04-28 18:48:51,597 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1006 transitions. [2021-04-28 18:48:51,597 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1006 transitions. [2021-04-28 18:48:51,598 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:48:51,598 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1006 transitions. [2021-04-28 18:48:51,602 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 251.5) internal successors, (1006), 4 states have internal predecessors, (1006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:51,608 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 392.0) internal successors, (1960), 5 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:51,609 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 392.0) internal successors, (1960), 5 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:51,610 INFO L185 Difference]: Start difference. First operand has 51 places, 40 transitions, 107 flow. Second operand 4 states and 1006 transitions. [2021-04-28 18:48:51,610 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 48 transitions, 155 flow [2021-04-28 18:48:51,611 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 48 transitions, 152 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 18:48:51,612 INFO L241 Difference]: Finished difference. Result has 55 places, 46 transitions, 152 flow [2021-04-28 18:48:51,613 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=392, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=152, PETRI_PLACES=55, PETRI_TRANSITIONS=46} [2021-04-28 18:48:51,613 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -100 predicate places. [2021-04-28 18:48:51,613 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:48:51,613 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 46 transitions, 152 flow [2021-04-28 18:48:51,614 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 46 transitions, 152 flow [2021-04-28 18:48:51,614 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 46 transitions, 152 flow [2021-04-28 18:48:51,667 INFO L129 PetriNetUnfolder]: 76/272 cut-off events. [2021-04-28 18:48:51,667 INFO L130 PetriNetUnfolder]: For 121/129 co-relation queries the response was YES. [2021-04-28 18:48:51,669 INFO L84 FinitePrefix]: Finished finitePrefix Result has 537 conditions, 272 events. 76/272 cut-off events. For 121/129 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 1663 event pairs, 31 based on Foata normal form. 0/184 useless extension candidates. Maximal degree in co-relation 525. Up to 107 conditions per place. [2021-04-28 18:48:51,675 INFO L146 LiptonReduction]: Number of co-enabled transitions 1088 [2021-04-28 18:48:51,738 INFO L158 LiptonReduction]: Checked pairs total: 416 [2021-04-28 18:48:51,739 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:48:51,739 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 126 [2021-04-28 18:48:51,740 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 46 transitions, 152 flow [2021-04-28 18:48:51,741 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 247.75) internal successors, (991), 4 states have internal predecessors, (991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:51,742 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:48:51,742 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:48:51,742 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 18:48:51,742 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:48:51,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:48:51,743 INFO L82 PathProgramCache]: Analyzing trace with hash -745244471, now seen corresponding path program 1 times [2021-04-28 18:48:51,743 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:48:51,743 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679202141] [2021-04-28 18:48:51,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:48:51,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:48:51,872 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-04-28 18:48:51,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-28 18:48:51,955 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-04-28 18:48:51,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-28 18:48:52,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:48:52,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 18:48:52,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:48:52,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679202141] [2021-04-28 18:48:52,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:48:52,074 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:48:52,075 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737636979] [2021-04-28 18:48:52,075 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 18:48:52,075 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:48:52,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 18:48:52,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-04-28 18:48:52,078 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 392 [2021-04-28 18:48:52,080 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 46 transitions, 152 flow. Second operand has 5 states, 5 states have (on average 224.8) internal successors, (1124), 5 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:52,080 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:48:52,080 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 392 [2021-04-28 18:48:52,080 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:48:52,339 INFO L129 PetriNetUnfolder]: 171/386 cut-off events. [2021-04-28 18:48:52,339 INFO L130 PetriNetUnfolder]: For 237/334 co-relation queries the response was YES. [2021-04-28 18:48:52,342 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1038 conditions, 386 events. 171/386 cut-off events. For 237/334 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 2164 event pairs, 64 based on Foata normal form. 12/306 useless extension candidates. Maximal degree in co-relation 1024. Up to 195 conditions per place. [2021-04-28 18:48:52,346 INFO L132 encePairwiseOnDemand]: 386/392 looper letters, 11 selfloop transitions, 10 changer transitions 0/53 dead transitions. [2021-04-28 18:48:52,347 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 53 transitions, 228 flow [2021-04-28 18:48:52,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 18:48:52,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 18:48:52,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 914 transitions. [2021-04-28 18:48:52,353 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5829081632653061 [2021-04-28 18:48:52,354 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 914 transitions. [2021-04-28 18:48:52,354 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 914 transitions. [2021-04-28 18:48:52,355 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:48:52,355 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 914 transitions. [2021-04-28 18:48:52,359 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 228.5) internal successors, (914), 4 states have internal predecessors, (914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:52,364 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 392.0) internal successors, (1960), 5 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:52,366 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 392.0) internal successors, (1960), 5 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:52,366 INFO L185 Difference]: Start difference. First operand has 55 places, 46 transitions, 152 flow. Second operand 4 states and 914 transitions. [2021-04-28 18:48:52,366 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 53 transitions, 228 flow [2021-04-28 18:48:52,370 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 53 transitions, 228 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 18:48:52,372 INFO L241 Difference]: Finished difference. Result has 59 places, 49 transitions, 197 flow [2021-04-28 18:48:52,373 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=392, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=197, PETRI_PLACES=59, PETRI_TRANSITIONS=49} [2021-04-28 18:48:52,373 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -96 predicate places. [2021-04-28 18:48:52,373 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:48:52,373 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 49 transitions, 197 flow [2021-04-28 18:48:52,374 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 49 transitions, 197 flow [2021-04-28 18:48:52,374 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 49 transitions, 197 flow [2021-04-28 18:48:52,431 INFO L129 PetriNetUnfolder]: 83/273 cut-off events. [2021-04-28 18:48:52,432 INFO L130 PetriNetUnfolder]: For 247/275 co-relation queries the response was YES. [2021-04-28 18:48:52,434 INFO L84 FinitePrefix]: Finished finitePrefix Result has 693 conditions, 273 events. 83/273 cut-off events. For 247/275 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1645 event pairs, 33 based on Foata normal form. 1/190 useless extension candidates. Maximal degree in co-relation 678. Up to 111 conditions per place. [2021-04-28 18:48:52,440 INFO L146 LiptonReduction]: Number of co-enabled transitions 1152 [2021-04-28 18:48:52,561 INFO L158 LiptonReduction]: Checked pairs total: 458 [2021-04-28 18:48:52,561 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:48:52,561 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 188 [2021-04-28 18:48:52,564 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 49 transitions, 197 flow [2021-04-28 18:48:52,565 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 224.8) internal successors, (1124), 5 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:52,565 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:48:52,565 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:48:52,565 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 18:48:52,566 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:48:52,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:48:52,577 INFO L82 PathProgramCache]: Analyzing trace with hash -743367638, now seen corresponding path program 1 times [2021-04-28 18:48:52,577 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:48:52,577 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987019373] [2021-04-28 18:48:52,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:48:52,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:48:52,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:48:52,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 18:48:52,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:48:52,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 18:48:52,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:48:52,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-28 18:48:52,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:48:52,839 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987019373] [2021-04-28 18:48:52,840 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:48:52,840 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:48:52,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082097732] [2021-04-28 18:48:52,841 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 18:48:52,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:48:52,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 18:48:52,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 18:48:52,844 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 392 [2021-04-28 18:48:52,846 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 49 transitions, 197 flow. Second operand has 5 states, 5 states have (on average 227.8) internal successors, (1139), 5 states have internal predecessors, (1139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:52,846 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:48:52,847 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 392 [2021-04-28 18:48:52,847 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:48:53,137 INFO L129 PetriNetUnfolder]: 184/408 cut-off events. [2021-04-28 18:48:53,137 INFO L130 PetriNetUnfolder]: For 580/752 co-relation queries the response was YES. [2021-04-28 18:48:53,140 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1289 conditions, 408 events. 184/408 cut-off events. For 580/752 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 2245 event pairs, 57 based on Foata normal form. 18/337 useless extension candidates. Maximal degree in co-relation 1272. Up to 241 conditions per place. [2021-04-28 18:48:53,145 INFO L132 encePairwiseOnDemand]: 385/392 looper letters, 12 selfloop transitions, 15 changer transitions 0/59 dead transitions. [2021-04-28 18:48:53,145 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 59 transitions, 295 flow [2021-04-28 18:48:53,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 18:48:53,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 18:48:53,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1158 transitions. [2021-04-28 18:48:53,153 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5908163265306122 [2021-04-28 18:48:53,153 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1158 transitions. [2021-04-28 18:48:53,154 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1158 transitions. [2021-04-28 18:48:53,155 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:48:53,155 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1158 transitions. [2021-04-28 18:48:53,159 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 231.6) internal successors, (1158), 5 states have internal predecessors, (1158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:53,164 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 392.0) internal successors, (2352), 6 states have internal predecessors, (2352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:53,166 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 392.0) internal successors, (2352), 6 states have internal predecessors, (2352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:53,166 INFO L185 Difference]: Start difference. First operand has 59 places, 49 transitions, 197 flow. Second operand 5 states and 1158 transitions. [2021-04-28 18:48:53,166 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 59 transitions, 295 flow [2021-04-28 18:48:53,169 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 59 transitions, 290 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 18:48:53,171 INFO L241 Difference]: Finished difference. Result has 64 places, 55 transitions, 277 flow [2021-04-28 18:48:53,171 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=392, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=277, PETRI_PLACES=64, PETRI_TRANSITIONS=55} [2021-04-28 18:48:53,172 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -91 predicate places. [2021-04-28 18:48:53,172 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:48:53,172 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 55 transitions, 277 flow [2021-04-28 18:48:53,172 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 55 transitions, 277 flow [2021-04-28 18:48:53,173 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 55 transitions, 277 flow [2021-04-28 18:48:53,251 INFO L129 PetriNetUnfolder]: 117/353 cut-off events. [2021-04-28 18:48:53,251 INFO L130 PetriNetUnfolder]: For 590/675 co-relation queries the response was YES. [2021-04-28 18:48:53,255 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1103 conditions, 353 events. 117/353 cut-off events. For 590/675 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 2262 event pairs, 41 based on Foata normal form. 3/247 useless extension candidates. Maximal degree in co-relation 1085. Up to 138 conditions per place. [2021-04-28 18:48:53,263 INFO L146 LiptonReduction]: Number of co-enabled transitions 1326 [2021-04-28 18:48:53,269 INFO L158 LiptonReduction]: Checked pairs total: 443 [2021-04-28 18:48:53,269 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:48:53,269 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 97 [2021-04-28 18:48:53,272 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 55 transitions, 277 flow [2021-04-28 18:48:53,273 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 227.8) internal successors, (1139), 5 states have internal predecessors, (1139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:53,273 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:48:53,273 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:48:53,273 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 18:48:53,274 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:48:53,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:48:53,275 INFO L82 PathProgramCache]: Analyzing trace with hash 1364572542, now seen corresponding path program 1 times [2021-04-28 18:48:53,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:48:53,275 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035385104] [2021-04-28 18:48:53,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:48:53,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:48:53,478 INFO L142 QuantifierPusher]: treesize reduction 30, result has 30.2 percent of original size [2021-04-28 18:48:53,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 18:48:53,505 INFO L142 QuantifierPusher]: treesize reduction 30, result has 34.8 percent of original size [2021-04-28 18:48:53,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-28 18:48:53,543 INFO L142 QuantifierPusher]: treesize reduction 10, result has 83.3 percent of original size [2021-04-28 18:48:53,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-04-28 18:48:53,561 INFO L142 QuantifierPusher]: treesize reduction 15, result has 68.8 percent of original size [2021-04-28 18:48:53,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-28 18:48:53,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:48:53,632 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035385104] [2021-04-28 18:48:53,632 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:48:53,632 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:48:53,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604994724] [2021-04-28 18:48:53,633 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 18:48:53,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:48:53,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 18:48:53,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-04-28 18:48:53,637 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 392 [2021-04-28 18:48:53,638 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 55 transitions, 277 flow. Second operand has 5 states, 5 states have (on average 232.0) internal successors, (1160), 5 states have internal predecessors, (1160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:53,639 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:48:53,639 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 392 [2021-04-28 18:48:53,639 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:48:53,920 INFO L129 PetriNetUnfolder]: 171/415 cut-off events. [2021-04-28 18:48:53,920 INFO L130 PetriNetUnfolder]: For 1096/1364 co-relation queries the response was YES. [2021-04-28 18:48:53,924 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1534 conditions, 415 events. 171/415 cut-off events. For 1096/1364 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 2428 event pairs, 49 based on Foata normal form. 19/326 useless extension candidates. Maximal degree in co-relation 1514. Up to 211 conditions per place. [2021-04-28 18:48:53,929 INFO L132 encePairwiseOnDemand]: 388/392 looper letters, 22 selfloop transitions, 6 changer transitions 0/60 dead transitions. [2021-04-28 18:48:53,929 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 60 transitions, 369 flow [2021-04-28 18:48:53,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 18:48:53,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 18:48:53,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 940 transitions. [2021-04-28 18:48:53,937 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5994897959183674 [2021-04-28 18:48:53,937 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 940 transitions. [2021-04-28 18:48:53,937 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 940 transitions. [2021-04-28 18:48:53,938 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:48:53,938 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 940 transitions. [2021-04-28 18:48:53,940 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 235.0) internal successors, (940), 4 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:53,944 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 392.0) internal successors, (1960), 5 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:53,945 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 392.0) internal successors, (1960), 5 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:53,945 INFO L185 Difference]: Start difference. First operand has 64 places, 55 transitions, 277 flow. Second operand 4 states and 940 transitions. [2021-04-28 18:48:53,945 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 60 transitions, 369 flow [2021-04-28 18:48:53,950 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 60 transitions, 362 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-04-28 18:48:53,952 INFO L241 Difference]: Finished difference. Result has 67 places, 55 transitions, 288 flow [2021-04-28 18:48:53,952 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=392, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=288, PETRI_PLACES=67, PETRI_TRANSITIONS=55} [2021-04-28 18:48:53,953 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -88 predicate places. [2021-04-28 18:48:53,953 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:48:53,953 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 55 transitions, 288 flow [2021-04-28 18:48:53,953 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 55 transitions, 288 flow [2021-04-28 18:48:53,954 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 55 transitions, 288 flow [2021-04-28 18:48:54,030 INFO L129 PetriNetUnfolder]: 136/386 cut-off events. [2021-04-28 18:48:54,030 INFO L130 PetriNetUnfolder]: For 984/1068 co-relation queries the response was YES. [2021-04-28 18:48:54,033 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1299 conditions, 386 events. 136/386 cut-off events. For 984/1068 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 2569 event pairs, 63 based on Foata normal form. 3/267 useless extension candidates. Maximal degree in co-relation 1279. Up to 160 conditions per place. [2021-04-28 18:48:54,043 INFO L146 LiptonReduction]: Number of co-enabled transitions 1322 [2021-04-28 18:48:54,050 INFO L158 LiptonReduction]: Checked pairs total: 443 [2021-04-28 18:48:54,050 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:48:54,050 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 97 [2021-04-28 18:48:54,051 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 55 transitions, 288 flow [2021-04-28 18:48:54,052 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 232.0) internal successors, (1160), 5 states have internal predecessors, (1160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:54,052 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:48:54,052 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:48:54,053 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 18:48:54,053 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:48:54,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:48:54,053 INFO L82 PathProgramCache]: Analyzing trace with hash -1628944682, now seen corresponding path program 1 times [2021-04-28 18:48:54,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:48:54,053 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117832722] [2021-04-28 18:48:54,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:48:54,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:48:54,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:48:54,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 18:48:54,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:48:54,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 18:48:54,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:48:54,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 18:48:54,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:48:54,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 18:48:54,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:48:54,294 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117832722] [2021-04-28 18:48:54,295 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:48:54,295 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 18:48:54,297 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111346973] [2021-04-28 18:48:54,297 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 18:48:54,298 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:48:54,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 18:48:54,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-28 18:48:54,301 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 392 [2021-04-28 18:48:54,303 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 55 transitions, 288 flow. Second operand has 6 states, 6 states have (on average 223.83333333333334) internal successors, (1343), 6 states have internal predecessors, (1343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:54,303 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:48:54,303 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 392 [2021-04-28 18:48:54,304 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:48:54,773 INFO L129 PetriNetUnfolder]: 170/439 cut-off events. [2021-04-28 18:48:54,773 INFO L130 PetriNetUnfolder]: For 1115/1385 co-relation queries the response was YES. [2021-04-28 18:48:54,777 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1622 conditions, 439 events. 170/439 cut-off events. For 1115/1385 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 2678 event pairs, 21 based on Foata normal form. 35/356 useless extension candidates. Maximal degree in co-relation 1600. Up to 190 conditions per place. [2021-04-28 18:48:54,783 INFO L132 encePairwiseOnDemand]: 384/392 looper letters, 19 selfloop transitions, 25 changer transitions 0/76 dead transitions. [2021-04-28 18:48:54,783 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 76 transitions, 542 flow [2021-04-28 18:48:54,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-28 18:48:54,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-28 18:48:54,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1817 transitions. [2021-04-28 18:48:54,793 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5794005102040817 [2021-04-28 18:48:54,793 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1817 transitions. [2021-04-28 18:48:54,793 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1817 transitions. [2021-04-28 18:48:54,795 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:48:54,795 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1817 transitions. [2021-04-28 18:48:54,802 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 227.125) internal successors, (1817), 8 states have internal predecessors, (1817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:54,809 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 392.0) internal successors, (3528), 9 states have internal predecessors, (3528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:54,811 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 392.0) internal successors, (3528), 9 states have internal predecessors, (3528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:54,811 INFO L185 Difference]: Start difference. First operand has 67 places, 55 transitions, 288 flow. Second operand 8 states and 1817 transitions. [2021-04-28 18:48:54,811 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 76 transitions, 542 flow [2021-04-28 18:48:54,814 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 76 transitions, 513 flow, removed 8 selfloop flow, removed 2 redundant places. [2021-04-28 18:48:54,817 INFO L241 Difference]: Finished difference. Result has 77 places, 69 transitions, 486 flow [2021-04-28 18:48:54,817 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=392, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=486, PETRI_PLACES=77, PETRI_TRANSITIONS=69} [2021-04-28 18:48:54,817 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -78 predicate places. [2021-04-28 18:48:54,817 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:48:54,818 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 69 transitions, 486 flow [2021-04-28 18:48:54,818 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 69 transitions, 486 flow [2021-04-28 18:48:54,819 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 77 places, 69 transitions, 486 flow [2021-04-28 18:48:54,899 INFO L129 PetriNetUnfolder]: 131/383 cut-off events. [2021-04-28 18:48:54,899 INFO L130 PetriNetUnfolder]: For 1251/1383 co-relation queries the response was YES. [2021-04-28 18:48:54,903 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1417 conditions, 383 events. 131/383 cut-off events. For 1251/1383 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 2424 event pairs, 23 based on Foata normal form. 4/275 useless extension candidates. Maximal degree in co-relation 1392. Up to 142 conditions per place. [2021-04-28 18:48:54,912 INFO L146 LiptonReduction]: Number of co-enabled transitions 1586 [2021-04-28 18:48:54,919 INFO L158 LiptonReduction]: Checked pairs total: 741 [2021-04-28 18:48:54,919 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:48:54,919 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 102 [2021-04-28 18:48:54,920 INFO L480 AbstractCegarLoop]: Abstraction has has 77 places, 69 transitions, 486 flow [2021-04-28 18:48:54,921 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 223.83333333333334) internal successors, (1343), 6 states have internal predecessors, (1343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:54,921 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:48:54,921 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:48:54,921 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 18:48:54,922 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:48:54,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:48:54,922 INFO L82 PathProgramCache]: Analyzing trace with hash 939399825, now seen corresponding path program 1 times [2021-04-28 18:48:54,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:48:54,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290441948] [2021-04-28 18:48:54,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:48:54,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:48:55,051 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-04-28 18:48:55,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-28 18:48:55,133 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-04-28 18:48:55,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-28 18:48:55,138 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-04-28 18:48:55,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-28 18:48:55,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:48:55,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 18:48:55,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:48:55,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 18:48:55,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:48:55,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290441948] [2021-04-28 18:48:55,287 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:48:55,288 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 18:48:55,288 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814080427] [2021-04-28 18:48:55,288 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 18:48:55,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:48:55,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 18:48:55,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-28 18:48:55,292 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 217 out of 392 [2021-04-28 18:48:55,294 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 69 transitions, 486 flow. Second operand has 6 states, 6 states have (on average 218.0) internal successors, (1308), 6 states have internal predecessors, (1308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:55,294 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:48:55,294 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 217 of 392 [2021-04-28 18:48:55,294 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:48:55,621 INFO L129 PetriNetUnfolder]: 188/464 cut-off events. [2021-04-28 18:48:55,621 INFO L130 PetriNetUnfolder]: For 1717/2251 co-relation queries the response was YES. [2021-04-28 18:48:55,626 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1980 conditions, 464 events. 188/464 cut-off events. For 1717/2251 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 2774 event pairs, 23 based on Foata normal form. 29/387 useless extension candidates. Maximal degree in co-relation 1953. Up to 229 conditions per place. [2021-04-28 18:48:55,632 INFO L132 encePairwiseOnDemand]: 384/392 looper letters, 27 selfloop transitions, 22 changer transitions 0/81 dead transitions. [2021-04-28 18:48:55,632 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 81 transitions, 682 flow [2021-04-28 18:48:55,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 18:48:55,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 18:48:55,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1106 transitions. [2021-04-28 18:48:55,640 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5642857142857143 [2021-04-28 18:48:55,640 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1106 transitions. [2021-04-28 18:48:55,640 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1106 transitions. [2021-04-28 18:48:55,641 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:48:55,641 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1106 transitions. [2021-04-28 18:48:55,645 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 221.2) internal successors, (1106), 5 states have internal predecessors, (1106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:55,650 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 392.0) internal successors, (2352), 6 states have internal predecessors, (2352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:55,651 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 392.0) internal successors, (2352), 6 states have internal predecessors, (2352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:55,651 INFO L185 Difference]: Start difference. First operand has 77 places, 69 transitions, 486 flow. Second operand 5 states and 1106 transitions. [2021-04-28 18:48:55,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 81 transitions, 682 flow [2021-04-28 18:48:55,659 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 81 transitions, 642 flow, removed 12 selfloop flow, removed 1 redundant places. [2021-04-28 18:48:55,661 INFO L241 Difference]: Finished difference. Result has 82 places, 78 transitions, 601 flow [2021-04-28 18:48:55,661 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=392, PETRI_DIFFERENCE_MINUEND_FLOW=458, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=601, PETRI_PLACES=82, PETRI_TRANSITIONS=78} [2021-04-28 18:48:55,661 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -73 predicate places. [2021-04-28 18:48:55,662 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:48:55,662 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 78 transitions, 601 flow [2021-04-28 18:48:55,662 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 78 transitions, 601 flow [2021-04-28 18:48:55,663 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 82 places, 78 transitions, 601 flow [2021-04-28 18:48:55,765 INFO L129 PetriNetUnfolder]: 168/467 cut-off events. [2021-04-28 18:48:55,765 INFO L130 PetriNetUnfolder]: For 1878/2054 co-relation queries the response was YES. [2021-04-28 18:48:55,770 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1862 conditions, 467 events. 168/467 cut-off events. For 1878/2054 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 3043 event pairs, 32 based on Foata normal form. 7/347 useless extension candidates. Maximal degree in co-relation 1834. Up to 184 conditions per place. [2021-04-28 18:48:55,781 INFO L146 LiptonReduction]: Number of co-enabled transitions 1822 [2021-04-28 18:48:55,790 INFO L158 LiptonReduction]: Checked pairs total: 1155 [2021-04-28 18:48:55,790 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:48:55,790 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 128 [2021-04-28 18:48:55,791 INFO L480 AbstractCegarLoop]: Abstraction has has 82 places, 78 transitions, 601 flow [2021-04-28 18:48:55,792 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 218.0) internal successors, (1308), 6 states have internal predecessors, (1308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:55,793 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:48:55,793 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:48:55,793 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 18:48:55,793 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:48:55,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:48:55,794 INFO L82 PathProgramCache]: Analyzing trace with hash -1782606573, now seen corresponding path program 2 times [2021-04-28 18:48:55,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:48:55,794 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188478870] [2021-04-28 18:48:55,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:48:55,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:48:55,892 INFO L142 QuantifierPusher]: treesize reduction 11, result has 78.4 percent of original size [2021-04-28 18:48:55,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-28 18:48:55,977 INFO L142 QuantifierPusher]: treesize reduction 15, result has 74.1 percent of original size [2021-04-28 18:48:55,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-28 18:48:56,070 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-04-28 18:48:56,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-28 18:48:56,099 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-04-28 18:48:56,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 18:48:56,134 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-04-28 18:48:56,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-28 18:48:56,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:48:56,172 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188478870] [2021-04-28 18:48:56,172 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:48:56,172 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 18:48:56,173 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902955268] [2021-04-28 18:48:56,174 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 18:48:56,174 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:48:56,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 18:48:56,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-04-28 18:48:56,179 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 222 out of 392 [2021-04-28 18:48:56,181 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 78 transitions, 601 flow. Second operand has 7 states, 7 states have (on average 222.85714285714286) internal successors, (1560), 7 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:56,181 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:48:56,181 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 222 of 392 [2021-04-28 18:48:56,181 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:48:56,708 INFO L129 PetriNetUnfolder]: 198/533 cut-off events. [2021-04-28 18:48:56,708 INFO L130 PetriNetUnfolder]: For 2451/3194 co-relation queries the response was YES. [2021-04-28 18:48:56,717 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2355 conditions, 533 events. 198/533 cut-off events. For 2451/3194 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 3527 event pairs, 10 based on Foata normal form. 47/448 useless extension candidates. Maximal degree in co-relation 2325. Up to 205 conditions per place. [2021-04-28 18:48:56,723 INFO L132 encePairwiseOnDemand]: 385/392 looper letters, 17 selfloop transitions, 36 changer transitions 0/85 dead transitions. [2021-04-28 18:48:56,723 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 85 transitions, 779 flow [2021-04-28 18:48:56,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 18:48:56,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 18:48:56,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1132 transitions. [2021-04-28 18:48:56,731 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5775510204081633 [2021-04-28 18:48:56,731 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1132 transitions. [2021-04-28 18:48:56,731 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1132 transitions. [2021-04-28 18:48:56,732 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:48:56,733 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1132 transitions. [2021-04-28 18:48:56,736 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 226.4) internal successors, (1132), 5 states have internal predecessors, (1132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:56,740 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 392.0) internal successors, (2352), 6 states have internal predecessors, (2352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:56,752 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 392.0) internal successors, (2352), 6 states have internal predecessors, (2352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:56,753 INFO L185 Difference]: Start difference. First operand has 82 places, 78 transitions, 601 flow. Second operand 5 states and 1132 transitions. [2021-04-28 18:48:56,753 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 85 transitions, 779 flow [2021-04-28 18:48:56,771 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 85 transitions, 745 flow, removed 11 selfloop flow, removed 1 redundant places. [2021-04-28 18:48:56,774 INFO L241 Difference]: Finished difference. Result has 86 places, 81 transitions, 706 flow [2021-04-28 18:48:56,775 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=392, PETRI_DIFFERENCE_MINUEND_FLOW=567, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=706, PETRI_PLACES=86, PETRI_TRANSITIONS=81} [2021-04-28 18:48:56,775 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -69 predicate places. [2021-04-28 18:48:56,775 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:48:56,776 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 81 transitions, 706 flow [2021-04-28 18:48:56,776 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 81 transitions, 706 flow [2021-04-28 18:48:56,777 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 86 places, 81 transitions, 706 flow [2021-04-28 18:48:56,916 INFO L129 PetriNetUnfolder]: 174/499 cut-off events. [2021-04-28 18:48:56,916 INFO L130 PetriNetUnfolder]: For 2219/2381 co-relation queries the response was YES. [2021-04-28 18:48:56,921 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2113 conditions, 499 events. 174/499 cut-off events. For 2219/2381 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 3460 event pairs, 22 based on Foata normal form. 19/393 useless extension candidates. Maximal degree in co-relation 2083. Up to 170 conditions per place. [2021-04-28 18:48:56,933 INFO L146 LiptonReduction]: Number of co-enabled transitions 1892 [2021-04-28 18:48:56,943 INFO L158 LiptonReduction]: Checked pairs total: 1282 [2021-04-28 18:48:56,944 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:48:56,944 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 169 [2021-04-28 18:48:56,945 INFO L480 AbstractCegarLoop]: Abstraction has has 86 places, 81 transitions, 706 flow [2021-04-28 18:48:56,947 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 222.85714285714286) internal successors, (1560), 7 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:56,947 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:48:56,947 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:48:56,947 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-28 18:48:56,947 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:48:56,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:48:56,948 INFO L82 PathProgramCache]: Analyzing trace with hash -859000517, now seen corresponding path program 3 times [2021-04-28 18:48:56,948 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:48:56,948 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288365127] [2021-04-28 18:48:56,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:48:56,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:48:57,042 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-04-28 18:48:57,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-28 18:48:57,109 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-04-28 18:48:57,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-28 18:48:57,113 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-04-28 18:48:57,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-28 18:48:57,195 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-04-28 18:48:57,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-28 18:48:57,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:48:57,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 18:48:57,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:48:57,323 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288365127] [2021-04-28 18:48:57,323 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:48:57,323 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 18:48:57,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523510963] [2021-04-28 18:48:57,324 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 18:48:57,324 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:48:57,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 18:48:57,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-28 18:48:57,328 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 220 out of 392 [2021-04-28 18:48:57,329 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 81 transitions, 706 flow. Second operand has 6 states, 6 states have (on average 221.0) internal successors, (1326), 6 states have internal predecessors, (1326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:57,329 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:48:57,330 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 220 of 392 [2021-04-28 18:48:57,330 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:48:57,876 INFO L129 PetriNetUnfolder]: 206/535 cut-off events. [2021-04-28 18:48:57,876 INFO L130 PetriNetUnfolder]: For 3025/3903 co-relation queries the response was YES. [2021-04-28 18:48:57,882 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2656 conditions, 535 events. 206/535 cut-off events. For 3025/3903 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 3408 event pairs, 16 based on Foata normal form. 81/492 useless extension candidates. Maximal degree in co-relation 2624. Up to 242 conditions per place. [2021-04-28 18:48:57,889 INFO L132 encePairwiseOnDemand]: 384/392 looper letters, 27 selfloop transitions, 31 changer transitions 0/90 dead transitions. [2021-04-28 18:48:57,890 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 90 transitions, 912 flow [2021-04-28 18:48:57,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-28 18:48:57,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-28 18:48:57,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1793 transitions. [2021-04-28 18:48:57,901 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5717474489795918 [2021-04-28 18:48:57,901 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1793 transitions. [2021-04-28 18:48:57,901 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1793 transitions. [2021-04-28 18:48:57,903 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:48:57,903 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1793 transitions. [2021-04-28 18:48:57,907 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 224.125) internal successors, (1793), 8 states have internal predecessors, (1793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:57,916 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 392.0) internal successors, (3528), 9 states have internal predecessors, (3528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:57,917 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 392.0) internal successors, (3528), 9 states have internal predecessors, (3528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:57,917 INFO L185 Difference]: Start difference. First operand has 86 places, 81 transitions, 706 flow. Second operand 8 states and 1793 transitions. [2021-04-28 18:48:57,918 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 90 transitions, 912 flow [2021-04-28 18:48:57,930 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 90 transitions, 831 flow, removed 12 selfloop flow, removed 4 redundant places. [2021-04-28 18:48:57,932 INFO L241 Difference]: Finished difference. Result has 90 places, 83 transitions, 735 flow [2021-04-28 18:48:57,933 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=392, PETRI_DIFFERENCE_MINUEND_FLOW=633, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=735, PETRI_PLACES=90, PETRI_TRANSITIONS=83} [2021-04-28 18:48:57,933 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -65 predicate places. [2021-04-28 18:48:57,933 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:48:57,933 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 83 transitions, 735 flow [2021-04-28 18:48:57,934 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 83 transitions, 735 flow [2021-04-28 18:48:57,935 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 83 transitions, 735 flow [2021-04-28 18:48:58,047 INFO L129 PetriNetUnfolder]: 184/533 cut-off events. [2021-04-28 18:48:58,048 INFO L130 PetriNetUnfolder]: For 2400/2592 co-relation queries the response was YES. [2021-04-28 18:48:58,055 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2187 conditions, 533 events. 184/533 cut-off events. For 2400/2592 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 3674 event pairs, 24 based on Foata normal form. 38/433 useless extension candidates. Maximal degree in co-relation 2157. Up to 182 conditions per place. [2021-04-28 18:48:58,069 INFO L146 LiptonReduction]: Number of co-enabled transitions 1950 [2021-04-28 18:48:58,082 INFO L158 LiptonReduction]: Checked pairs total: 1403 [2021-04-28 18:48:58,082 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:48:58,083 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 150 [2021-04-28 18:48:58,084 INFO L480 AbstractCegarLoop]: Abstraction has has 90 places, 83 transitions, 735 flow [2021-04-28 18:48:58,085 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 221.0) internal successors, (1326), 6 states have internal predecessors, (1326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:58,085 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:48:58,085 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:48:58,085 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-04-28 18:48:58,086 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:48:58,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:48:58,086 INFO L82 PathProgramCache]: Analyzing trace with hash -486063215, now seen corresponding path program 4 times [2021-04-28 18:48:58,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:48:58,086 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041067958] [2021-04-28 18:48:58,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:48:58,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:48:58,169 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-04-28 18:48:58,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-28 18:48:58,238 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-04-28 18:48:58,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-28 18:48:58,323 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-04-28 18:48:58,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-28 18:48:58,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:48:58,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 18:48:58,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:48:58,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 18:48:58,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:48:58,517 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041067958] [2021-04-28 18:48:58,517 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:48:58,517 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 18:48:58,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895218558] [2021-04-28 18:48:58,518 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 18:48:58,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:48:58,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 18:48:58,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-04-28 18:48:58,521 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 220 out of 392 [2021-04-28 18:48:58,523 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 83 transitions, 735 flow. Second operand has 7 states, 7 states have (on average 220.85714285714286) internal successors, (1546), 7 states have internal predecessors, (1546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:58,523 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:48:58,523 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 220 of 392 [2021-04-28 18:48:58,523 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:48:59,093 INFO L129 PetriNetUnfolder]: 221/666 cut-off events. [2021-04-28 18:48:59,094 INFO L130 PetriNetUnfolder]: For 3871/4797 co-relation queries the response was YES. [2021-04-28 18:48:59,102 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3006 conditions, 666 events. 221/666 cut-off events. For 3871/4797 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 4830 event pairs, 16 based on Foata normal form. 76/568 useless extension candidates. Maximal degree in co-relation 2974. Up to 228 conditions per place. [2021-04-28 18:48:59,110 INFO L132 encePairwiseOnDemand]: 385/392 looper letters, 18 selfloop transitions, 46 changer transitions 0/96 dead transitions. [2021-04-28 18:48:59,110 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 96 transitions, 1001 flow [2021-04-28 18:48:59,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 18:48:59,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 18:48:59,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1567 transitions. [2021-04-28 18:48:59,118 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5710641399416909 [2021-04-28 18:48:59,119 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1567 transitions. [2021-04-28 18:48:59,119 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1567 transitions. [2021-04-28 18:48:59,120 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:48:59,121 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1567 transitions. [2021-04-28 18:48:59,125 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 223.85714285714286) internal successors, (1567), 7 states have internal predecessors, (1567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:59,130 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 392.0) internal successors, (3136), 8 states have internal predecessors, (3136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:59,131 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 392.0) internal successors, (3136), 8 states have internal predecessors, (3136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:59,131 INFO L185 Difference]: Start difference. First operand has 90 places, 83 transitions, 735 flow. Second operand 7 states and 1567 transitions. [2021-04-28 18:48:59,132 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 96 transitions, 1001 flow [2021-04-28 18:48:59,146 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 96 transitions, 947 flow, removed 1 selfloop flow, removed 6 redundant places. [2021-04-28 18:48:59,149 INFO L241 Difference]: Finished difference. Result has 92 places, 90 transitions, 915 flow [2021-04-28 18:48:59,150 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=392, PETRI_DIFFERENCE_MINUEND_FLOW=681, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=915, PETRI_PLACES=92, PETRI_TRANSITIONS=90} [2021-04-28 18:48:59,150 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -63 predicate places. [2021-04-28 18:48:59,150 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:48:59,151 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 92 places, 90 transitions, 915 flow [2021-04-28 18:48:59,151 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 92 places, 90 transitions, 915 flow [2021-04-28 18:48:59,152 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 92 places, 90 transitions, 915 flow [2021-04-28 18:48:59,288 INFO L129 PetriNetUnfolder]: 202/623 cut-off events. [2021-04-28 18:48:59,289 INFO L130 PetriNetUnfolder]: For 4290/4627 co-relation queries the response was YES. [2021-04-28 18:48:59,328 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2883 conditions, 623 events. 202/623 cut-off events. For 4290/4627 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 4601 event pairs, 32 based on Foata normal form. 77/524 useless extension candidates. Maximal degree in co-relation 2851. Up to 228 conditions per place. [2021-04-28 18:48:59,342 INFO L146 LiptonReduction]: Number of co-enabled transitions 2116 [2021-04-28 18:48:59,353 INFO L158 LiptonReduction]: Checked pairs total: 1697 [2021-04-28 18:48:59,353 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:48:59,354 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 204 [2021-04-28 18:48:59,355 INFO L480 AbstractCegarLoop]: Abstraction has has 92 places, 90 transitions, 915 flow [2021-04-28 18:48:59,356 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 220.85714285714286) internal successors, (1546), 7 states have internal predecessors, (1546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:59,356 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:48:59,356 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:48:59,356 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-04-28 18:48:59,356 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:48:59,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:48:59,357 INFO L82 PathProgramCache]: Analyzing trace with hash 439906225, now seen corresponding path program 1 times [2021-04-28 18:48:59,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:48:59,357 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032064694] [2021-04-28 18:48:59,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:48:59,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:48:59,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:48:59,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:48:59,432 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 18:48:59,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 18:48:59,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:48:59,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:48:59,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:48:59,460 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032064694] [2021-04-28 18:48:59,460 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:48:59,460 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:48:59,460 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643969080] [2021-04-28 18:48:59,461 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:48:59,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:48:59,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:48:59,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:48:59,463 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 392 [2021-04-28 18:48:59,464 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 90 transitions, 915 flow. Second operand has 4 states, 4 states have (on average 295.75) internal successors, (1183), 4 states have internal predecessors, (1183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:48:59,465 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:48:59,465 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 392 [2021-04-28 18:48:59,465 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:49:03,095 INFO L129 PetriNetUnfolder]: 11958/18499 cut-off events. [2021-04-28 18:49:03,095 INFO L130 PetriNetUnfolder]: For 55377/64006 co-relation queries the response was YES. [2021-04-28 18:49:03,280 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55572 conditions, 18499 events. 11958/18499 cut-off events. For 55377/64006 co-relation queries the response was YES. Maximal size of possible extension queue 2379. Compared 152074 event pairs, 6276 based on Foata normal form. 1827/10343 useless extension candidates. Maximal degree in co-relation 55538. Up to 13087 conditions per place. [2021-04-28 18:49:03,416 INFO L132 encePairwiseOnDemand]: 377/392 looper letters, 30 selfloop transitions, 26 changer transitions 0/127 dead transitions. [2021-04-28 18:49:03,417 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 127 transitions, 1101 flow [2021-04-28 18:49:03,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 18:49:03,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 18:49:03,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1529 transitions. [2021-04-28 18:49:03,426 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7801020408163265 [2021-04-28 18:49:03,426 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1529 transitions. [2021-04-28 18:49:03,426 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1529 transitions. [2021-04-28 18:49:03,428 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:49:03,428 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1529 transitions. [2021-04-28 18:49:03,433 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 305.8) internal successors, (1529), 5 states have internal predecessors, (1529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:49:03,437 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 392.0) internal successors, (2352), 6 states have internal predecessors, (2352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:49:03,438 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 392.0) internal successors, (2352), 6 states have internal predecessors, (2352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:49:03,438 INFO L185 Difference]: Start difference. First operand has 92 places, 90 transitions, 915 flow. Second operand 5 states and 1529 transitions. [2021-04-28 18:49:03,438 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 127 transitions, 1101 flow [2021-04-28 18:49:03,597 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 127 transitions, 1067 flow, removed 4 selfloop flow, removed 3 redundant places. [2021-04-28 18:49:03,600 INFO L241 Difference]: Finished difference. Result has 96 places, 115 transitions, 1092 flow [2021-04-28 18:49:03,600 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=392, PETRI_DIFFERENCE_MINUEND_FLOW=881, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1092, PETRI_PLACES=96, PETRI_TRANSITIONS=115} [2021-04-28 18:49:03,601 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -59 predicate places. [2021-04-28 18:49:03,601 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:49:03,601 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 96 places, 115 transitions, 1092 flow [2021-04-28 18:49:03,601 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 96 places, 115 transitions, 1092 flow [2021-04-28 18:49:03,602 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 96 places, 115 transitions, 1092 flow [2021-04-28 18:49:05,864 INFO L129 PetriNetUnfolder]: 11510/17168 cut-off events. [2021-04-28 18:49:05,864 INFO L130 PetriNetUnfolder]: For 54199/61067 co-relation queries the response was YES. [2021-04-28 18:49:05,985 INFO L84 FinitePrefix]: Finished finitePrefix Result has 64773 conditions, 17168 events. 11510/17168 cut-off events. For 54199/61067 co-relation queries the response was YES. Maximal size of possible extension queue 2180. Compared 137831 event pairs, 6058 based on Foata normal form. 516/8237 useless extension candidates. Maximal degree in co-relation 64738. Up to 14062 conditions per place. [2021-04-28 18:49:06,418 INFO L146 LiptonReduction]: Number of co-enabled transitions 3312 [2021-04-28 18:49:06,475 INFO L158 LiptonReduction]: Checked pairs total: 1918 [2021-04-28 18:49:06,476 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:49:06,476 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2875 [2021-04-28 18:49:06,477 INFO L480 AbstractCegarLoop]: Abstraction has has 96 places, 115 transitions, 1092 flow [2021-04-28 18:49:06,478 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 295.75) internal successors, (1183), 4 states have internal predecessors, (1183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:49:06,478 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:49:06,478 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:49:06,478 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-04-28 18:49:06,478 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:49:06,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:49:06,479 INFO L82 PathProgramCache]: Analyzing trace with hash -825952233, now seen corresponding path program 1 times [2021-04-28 18:49:06,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:49:06,479 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323510233] [2021-04-28 18:49:06,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:49:06,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:49:06,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:49:06,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:49:06,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:49:06,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:49:06,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:49:06,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:49:06,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:49:06,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323510233] [2021-04-28 18:49:06,578 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:49:06,578 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:49:06,578 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300538798] [2021-04-28 18:49:06,579 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:49:06,579 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:49:06,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:49:06,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:49:06,581 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 392 [2021-04-28 18:49:06,582 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 115 transitions, 1092 flow. Second operand has 4 states, 4 states have (on average 254.0) internal successors, (1016), 4 states have internal predecessors, (1016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:49:06,582 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:49:06,583 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 392 [2021-04-28 18:49:06,583 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:49:11,446 INFO L129 PetriNetUnfolder]: 23031/35027 cut-off events. [2021-04-28 18:49:11,446 INFO L130 PetriNetUnfolder]: For 117798/155771 co-relation queries the response was YES. [2021-04-28 18:49:11,686 INFO L84 FinitePrefix]: Finished finitePrefix Result has 127630 conditions, 35027 events. 23031/35027 cut-off events. For 117798/155771 co-relation queries the response was YES. Maximal size of possible extension queue 4590. Compared 302990 event pairs, 12450 based on Foata normal form. 1117/16218 useless extension candidates. Maximal degree in co-relation 127593. Up to 28996 conditions per place. [2021-04-28 18:49:11,879 INFO L132 encePairwiseOnDemand]: 388/392 looper letters, 3 selfloop transitions, 3 changer transitions 0/116 dead transitions. [2021-04-28 18:49:11,880 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 116 transitions, 1106 flow [2021-04-28 18:49:11,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 18:49:11,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 18:49:11,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1019 transitions. [2021-04-28 18:49:11,887 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6498724489795918 [2021-04-28 18:49:11,887 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1019 transitions. [2021-04-28 18:49:11,887 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1019 transitions. [2021-04-28 18:49:11,888 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:49:11,889 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1019 transitions. [2021-04-28 18:49:11,891 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 254.75) internal successors, (1019), 4 states have internal predecessors, (1019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:49:11,895 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 392.0) internal successors, (1960), 5 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:49:11,895 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 392.0) internal successors, (1960), 5 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:49:11,896 INFO L185 Difference]: Start difference. First operand has 96 places, 115 transitions, 1092 flow. Second operand 4 states and 1019 transitions. [2021-04-28 18:49:11,896 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 116 transitions, 1106 flow [2021-04-28 18:49:12,350 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 116 transitions, 1093 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 18:49:12,352 INFO L241 Difference]: Finished difference. Result has 100 places, 116 transitions, 1095 flow [2021-04-28 18:49:12,352 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=392, PETRI_DIFFERENCE_MINUEND_FLOW=1079, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1095, PETRI_PLACES=100, PETRI_TRANSITIONS=116} [2021-04-28 18:49:12,353 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -55 predicate places. [2021-04-28 18:49:12,353 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:49:12,353 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 100 places, 116 transitions, 1095 flow [2021-04-28 18:49:12,353 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 100 places, 116 transitions, 1095 flow [2021-04-28 18:49:12,354 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 100 places, 116 transitions, 1095 flow [2021-04-28 18:49:16,203 INFO L129 PetriNetUnfolder]: 21465/31840 cut-off events. [2021-04-28 18:49:16,203 INFO L130 PetriNetUnfolder]: For 84699/97746 co-relation queries the response was YES. [2021-04-28 18:49:16,403 INFO L84 FinitePrefix]: Finished finitePrefix Result has 115145 conditions, 31840 events. 21465/31840 cut-off events. For 84699/97746 co-relation queries the response was YES. Maximal size of possible extension queue 4055. Compared 274712 event pairs, 11759 based on Foata normal form. 678/14223 useless extension candidates. Maximal degree in co-relation 115108. Up to 26923 conditions per place. [2021-04-28 18:49:16,955 INFO L146 LiptonReduction]: Number of co-enabled transitions 3372 [2021-04-28 18:49:17,031 INFO L158 LiptonReduction]: Checked pairs total: 1114 [2021-04-28 18:49:17,031 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:49:17,031 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4678 [2021-04-28 18:49:17,033 INFO L480 AbstractCegarLoop]: Abstraction has has 100 places, 116 transitions, 1095 flow [2021-04-28 18:49:17,034 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 254.0) internal successors, (1016), 4 states have internal predecessors, (1016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:49:17,035 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:49:17,035 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:49:17,035 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-04-28 18:49:17,035 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:49:17,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:49:17,036 INFO L82 PathProgramCache]: Analyzing trace with hash -714607517, now seen corresponding path program 1 times [2021-04-28 18:49:17,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:49:17,036 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933976414] [2021-04-28 18:49:17,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:49:17,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:49:17,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:49:17,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:49:17,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:49:17,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:49:17,162 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 18:49:17,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 18:49:17,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:49:17,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:49:17,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:49:17,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933976414] [2021-04-28 18:49:17,192 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:49:17,192 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 18:49:17,193 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930315658] [2021-04-28 18:49:17,193 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 18:49:17,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:49:17,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 18:49:17,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 18:49:17,196 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 392 [2021-04-28 18:49:17,197 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 116 transitions, 1095 flow. Second operand has 5 states, 5 states have (on average 295.8) internal successors, (1479), 5 states have internal predecessors, (1479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:49:17,197 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:49:17,198 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 392 [2021-04-28 18:49:17,198 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:49:22,466 INFO L129 PetriNetUnfolder]: 21141/33881 cut-off events. [2021-04-28 18:49:22,466 INFO L130 PetriNetUnfolder]: For 125956/283745 co-relation queries the response was YES. [2021-04-28 18:49:22,685 INFO L84 FinitePrefix]: Finished finitePrefix Result has 152915 conditions, 33881 events. 21141/33881 cut-off events. For 125956/283745 co-relation queries the response was YES. Maximal size of possible extension queue 5142. Compared 315287 event pairs, 4770 based on Foata normal form. 3619/18175 useless extension candidates. Maximal degree in co-relation 152876. Up to 28474 conditions per place. [2021-04-28 18:49:22,821 INFO L132 encePairwiseOnDemand]: 377/392 looper letters, 29 selfloop transitions, 51 changer transitions 0/148 dead transitions. [2021-04-28 18:49:22,821 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 148 transitions, 1407 flow [2021-04-28 18:49:22,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 18:49:22,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 18:49:22,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2144 transitions. [2021-04-28 18:49:22,832 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7813411078717201 [2021-04-28 18:49:22,832 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2144 transitions. [2021-04-28 18:49:22,832 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2144 transitions. [2021-04-28 18:49:22,833 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:49:22,834 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2144 transitions. [2021-04-28 18:49:22,838 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 306.2857142857143) internal successors, (2144), 7 states have internal predecessors, (2144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:49:22,844 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 392.0) internal successors, (3136), 8 states have internal predecessors, (3136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:49:22,845 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 392.0) internal successors, (3136), 8 states have internal predecessors, (3136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:49:22,845 INFO L185 Difference]: Start difference. First operand has 100 places, 116 transitions, 1095 flow. Second operand 7 states and 2144 transitions. [2021-04-28 18:49:22,845 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 148 transitions, 1407 flow [2021-04-28 18:49:23,088 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 148 transitions, 1379 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-04-28 18:49:23,092 INFO L241 Difference]: Finished difference. Result has 105 places, 136 transitions, 1377 flow [2021-04-28 18:49:23,092 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=392, PETRI_DIFFERENCE_MINUEND_FLOW=999, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1377, PETRI_PLACES=105, PETRI_TRANSITIONS=136} [2021-04-28 18:49:23,093 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -50 predicate places. [2021-04-28 18:49:23,093 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:49:23,093 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 105 places, 136 transitions, 1377 flow [2021-04-28 18:49:23,093 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 105 places, 136 transitions, 1377 flow [2021-04-28 18:49:23,094 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 136 transitions, 1377 flow [2021-04-28 18:49:27,144 INFO L129 PetriNetUnfolder]: 20168/31641 cut-off events. [2021-04-28 18:49:27,144 INFO L130 PetriNetUnfolder]: For 121607/159241 co-relation queries the response was YES. [2021-04-28 18:49:27,652 INFO L84 FinitePrefix]: Finished finitePrefix Result has 168495 conditions, 31641 events. 20168/31641 cut-off events. For 121607/159241 co-relation queries the response was YES. Maximal size of possible extension queue 4651. Compared 295656 event pairs, 4729 based on Foata normal form. 505/13854 useless extension candidates. Maximal degree in co-relation 168456. Up to 26977 conditions per place. [2021-04-28 18:49:27,963 INFO L146 LiptonReduction]: Number of co-enabled transitions 4332 [2021-04-28 18:49:28,026 INFO L158 LiptonReduction]: Checked pairs total: 1172 [2021-04-28 18:49:28,026 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:49:28,026 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4933 [2021-04-28 18:49:28,032 INFO L480 AbstractCegarLoop]: Abstraction has has 105 places, 136 transitions, 1377 flow [2021-04-28 18:49:28,033 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 295.8) internal successors, (1479), 5 states have internal predecessors, (1479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:49:28,033 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:49:28,033 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:49:28,034 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-04-28 18:49:28,034 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:49:28,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:49:28,034 INFO L82 PathProgramCache]: Analyzing trace with hash -592340975, now seen corresponding path program 1 times [2021-04-28 18:49:28,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:49:28,035 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331177677] [2021-04-28 18:49:28,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:49:28,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:49:28,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:49:28,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:49:28,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:49:28,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:49:28,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:49:28,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331177677] [2021-04-28 18:49:28,116 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:49:28,116 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 18:49:28,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694738823] [2021-04-28 18:49:28,117 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 18:49:28,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:49:28,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 18:49:28,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 18:49:28,120 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 283 out of 392 [2021-04-28 18:49:28,121 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 136 transitions, 1377 flow. Second operand has 3 states, 3 states have (on average 284.0) internal successors, (852), 3 states have internal predecessors, (852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:49:28,121 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:49:28,121 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 283 of 392 [2021-04-28 18:49:28,121 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:49:36,256 INFO L129 PetriNetUnfolder]: 37259/57605 cut-off events. [2021-04-28 18:49:36,257 INFO L130 PetriNetUnfolder]: For 242823/455184 co-relation queries the response was YES. [2021-04-28 18:49:36,946 INFO L84 FinitePrefix]: Finished finitePrefix Result has 305289 conditions, 57605 events. 37259/57605 cut-off events. For 242823/455184 co-relation queries the response was YES. Maximal size of possible extension queue 8424. Compared 544076 event pairs, 8847 based on Foata normal form. 1405/25339 useless extension candidates. Maximal degree in co-relation 305248. Up to 49861 conditions per place. [2021-04-28 18:49:37,107 INFO L132 encePairwiseOnDemand]: 389/392 looper letters, 3 selfloop transitions, 3 changer transitions 0/136 dead transitions. [2021-04-28 18:49:37,107 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 136 transitions, 1389 flow [2021-04-28 18:49:37,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 18:49:37,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 18:49:37,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 855 transitions. [2021-04-28 18:49:37,115 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7270408163265306 [2021-04-28 18:49:37,115 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 855 transitions. [2021-04-28 18:49:37,115 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 855 transitions. [2021-04-28 18:49:37,116 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:49:37,116 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 855 transitions. [2021-04-28 18:49:37,118 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 285.0) internal successors, (855), 3 states have internal predecessors, (855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:49:37,121 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 392.0) internal successors, (1568), 4 states have internal predecessors, (1568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:49:37,121 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 392.0) internal successors, (1568), 4 states have internal predecessors, (1568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:49:37,121 INFO L185 Difference]: Start difference. First operand has 105 places, 136 transitions, 1377 flow. Second operand 3 states and 855 transitions. [2021-04-28 18:49:37,122 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 136 transitions, 1389 flow [2021-04-28 18:49:40,633 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 136 transitions, 1251 flow, removed 49 selfloop flow, removed 3 redundant places. [2021-04-28 18:49:40,636 INFO L241 Difference]: Finished difference. Result has 105 places, 136 transitions, 1250 flow [2021-04-28 18:49:40,636 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=392, PETRI_DIFFERENCE_MINUEND_FLOW=1239, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1250, PETRI_PLACES=105, PETRI_TRANSITIONS=136} [2021-04-28 18:49:40,637 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -50 predicate places. [2021-04-28 18:49:40,637 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:49:40,637 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 105 places, 136 transitions, 1250 flow [2021-04-28 18:49:40,637 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 105 places, 136 transitions, 1250 flow [2021-04-28 18:49:40,639 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 136 transitions, 1250 flow [2021-04-28 18:49:48,366 INFO L129 PetriNetUnfolder]: 37427/57835 cut-off events. [2021-04-28 18:49:48,366 INFO L130 PetriNetUnfolder]: For 232516/271370 co-relation queries the response was YES. [2021-04-28 18:49:48,749 INFO L84 FinitePrefix]: Finished finitePrefix Result has 290402 conditions, 57835 events. 37427/57835 cut-off events. For 232516/271370 co-relation queries the response was YES. Maximal size of possible extension queue 8397. Compared 560735 event pairs, 8649 based on Foata normal form. 896/25019 useless extension candidates. Maximal degree in co-relation 290363. Up to 47605 conditions per place. [2021-04-28 18:49:49,349 INFO L146 LiptonReduction]: Number of co-enabled transitions 4330 [2021-04-28 18:49:49,730 INFO L158 LiptonReduction]: Checked pairs total: 1172 [2021-04-28 18:49:49,730 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:49:49,730 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9093 [2021-04-28 18:49:49,732 INFO L480 AbstractCegarLoop]: Abstraction has has 105 places, 136 transitions, 1250 flow [2021-04-28 18:49:49,732 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 284.0) internal successors, (852), 3 states have internal predecessors, (852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:49:49,732 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:49:49,733 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:49:49,733 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-04-28 18:49:49,733 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:49:49,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:49:49,733 INFO L82 PathProgramCache]: Analyzing trace with hash 270080186, now seen corresponding path program 1 times [2021-04-28 18:49:49,734 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:49:49,734 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485329334] [2021-04-28 18:49:49,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:49:49,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:49:49,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:49:49,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:49:49,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:49:49,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:49:49,825 INFO L142 QuantifierPusher]: treesize reduction 4, result has 50.0 percent of original size [2021-04-28 18:49:49,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-28 18:49:49,841 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 18:49:49,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 18:49:49,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:49:49,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:49:49,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:49:49,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485329334] [2021-04-28 18:49:49,872 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:49:49,873 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 18:49:49,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297219894] [2021-04-28 18:49:49,873 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 18:49:49,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:49:49,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 18:49:49,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 18:49:49,876 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 392 [2021-04-28 18:49:49,878 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 136 transitions, 1250 flow. Second operand has 6 states, 6 states have (on average 295.8333333333333) internal successors, (1775), 6 states have internal predecessors, (1775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:49:49,878 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:49:49,878 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 392 [2021-04-28 18:49:49,878 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:49:57,832 INFO L129 PetriNetUnfolder]: 29762/48983 cut-off events. [2021-04-28 18:49:57,832 INFO L130 PetriNetUnfolder]: For 218007/391381 co-relation queries the response was YES. [2021-04-28 18:49:58,160 INFO L84 FinitePrefix]: Finished finitePrefix Result has 281817 conditions, 48983 events. 29762/48983 cut-off events. For 218007/391381 co-relation queries the response was YES. Maximal size of possible extension queue 7536. Compared 502956 event pairs, 1539 based on Foata normal form. 5281/24399 useless extension candidates. Maximal degree in co-relation 281776. Up to 41392 conditions per place. [2021-04-28 18:49:58,266 INFO L132 encePairwiseOnDemand]: 377/392 looper letters, 14 selfloop transitions, 76 changer transitions 14/165 dead transitions. [2021-04-28 18:49:58,266 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 165 transitions, 1711 flow [2021-04-28 18:49:58,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 18:49:58,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 18:49:58,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2759 transitions. [2021-04-28 18:49:58,275 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7820294784580499 [2021-04-28 18:49:58,275 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2759 transitions. [2021-04-28 18:49:58,275 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2759 transitions. [2021-04-28 18:49:58,277 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:49:58,278 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2759 transitions. [2021-04-28 18:49:58,283 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 306.55555555555554) internal successors, (2759), 9 states have internal predecessors, (2759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:49:58,288 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 392.0) internal successors, (3920), 10 states have internal predecessors, (3920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:49:58,289 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 392.0) internal successors, (3920), 10 states have internal predecessors, (3920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:49:58,289 INFO L185 Difference]: Start difference. First operand has 105 places, 136 transitions, 1250 flow. Second operand 9 states and 2759 transitions. [2021-04-28 18:49:58,290 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 165 transitions, 1711 flow [2021-04-28 18:50:00,424 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 165 transitions, 1689 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-04-28 18:50:00,427 INFO L241 Difference]: Finished difference. Result has 113 places, 151 transitions, 1578 flow [2021-04-28 18:50:00,427 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=392, PETRI_DIFFERENCE_MINUEND_FLOW=1115, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1578, PETRI_PLACES=113, PETRI_TRANSITIONS=151} [2021-04-28 18:50:00,427 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -42 predicate places. [2021-04-28 18:50:00,427 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:50:00,428 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 113 places, 151 transitions, 1578 flow [2021-04-28 18:50:00,428 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 113 places, 151 transitions, 1578 flow [2021-04-28 18:50:00,429 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 113 places, 151 transitions, 1578 flow [2021-04-28 18:50:06,088 INFO L129 PetriNetUnfolder]: 23888/41192 cut-off events. [2021-04-28 18:50:06,088 INFO L130 PetriNetUnfolder]: For 293096/478837 co-relation queries the response was YES. [2021-04-28 18:50:06,752 INFO L84 FinitePrefix]: Finished finitePrefix Result has 257632 conditions, 41192 events. 23888/41192 cut-off events. For 293096/478837 co-relation queries the response was YES. Maximal size of possible extension queue 7384. Compared 443018 event pairs, 1539 based on Foata normal form. 337/16720 useless extension candidates. Maximal degree in co-relation 257590. Up to 33589 conditions per place. [2021-04-28 18:50:07,208 INFO L146 LiptonReduction]: Number of co-enabled transitions 4702 [2021-04-28 18:50:07,299 INFO L158 LiptonReduction]: Checked pairs total: 1174 [2021-04-28 18:50:07,299 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:50:07,300 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6873 [2021-04-28 18:50:07,301 INFO L480 AbstractCegarLoop]: Abstraction has has 113 places, 151 transitions, 1578 flow [2021-04-28 18:50:07,302 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 295.8333333333333) internal successors, (1775), 6 states have internal predecessors, (1775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:50:07,302 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:50:07,302 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, 1, 1] [2021-04-28 18:50:07,302 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-04-28 18:50:07,302 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:50:07,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:50:07,303 INFO L82 PathProgramCache]: Analyzing trace with hash -1938464662, now seen corresponding path program 1 times [2021-04-28 18:50:07,303 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:50:07,304 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999672470] [2021-04-28 18:50:07,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:50:07,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:50:07,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:50:07,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:50:07,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:50:07,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:50:07,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:50:07,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:50:07,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:50:07,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:50:07,435 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 18:50:07,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 18:50:07,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:50:07,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:50:07,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:50:07,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999672470] [2021-04-28 18:50:07,470 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:50:07,470 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-28 18:50:07,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55391710] [2021-04-28 18:50:07,471 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 18:50:07,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:50:07,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 18:50:07,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-28 18:50:07,474 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 392 [2021-04-28 18:50:07,476 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 151 transitions, 1578 flow. Second operand has 7 states, 7 states have (on average 295.85714285714283) internal successors, (2071), 7 states have internal predecessors, (2071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:50:07,476 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:50:07,476 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 392 [2021-04-28 18:50:07,476 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:50:13,845 INFO L129 PetriNetUnfolder]: 19745/35321 cut-off events. [2021-04-28 18:50:13,845 INFO L130 PetriNetUnfolder]: For 226603/485087 co-relation queries the response was YES. [2021-04-28 18:50:14,127 INFO L84 FinitePrefix]: Finished finitePrefix Result has 247384 conditions, 35321 events. 19745/35321 cut-off events. For 226603/485087 co-relation queries the response was YES. Maximal size of possible extension queue 7500. Compared 389428 event pairs, 0 based on Foata normal form. 3595/16341 useless extension candidates. Maximal degree in co-relation 247340. Up to 29629 conditions per place. [2021-04-28 18:50:14,196 INFO L132 encePairwiseOnDemand]: 377/392 looper letters, 2 selfloop transitions, 89 changer transitions 12/164 dead transitions. [2021-04-28 18:50:14,197 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 164 transitions, 1936 flow [2021-04-28 18:50:14,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-28 18:50:14,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-28 18:50:14,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 3350 transitions. [2021-04-28 18:50:14,206 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7769016697588126 [2021-04-28 18:50:14,207 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 3350 transitions. [2021-04-28 18:50:14,207 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 3350 transitions. [2021-04-28 18:50:14,208 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:50:14,208 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 3350 transitions. [2021-04-28 18:50:14,214 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 304.54545454545456) internal successors, (3350), 11 states have internal predecessors, (3350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:50:14,222 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 392.0) internal successors, (4704), 12 states have internal predecessors, (4704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:50:14,224 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 392.0) internal successors, (4704), 12 states have internal predecessors, (4704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:50:14,224 INFO L185 Difference]: Start difference. First operand has 113 places, 151 transitions, 1578 flow. Second operand 11 states and 3350 transitions. [2021-04-28 18:50:14,224 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 164 transitions, 1936 flow [2021-04-28 18:51:00,080 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 164 transitions, 1615 flow, removed 118 selfloop flow, removed 6 redundant places. [2021-04-28 18:51:00,084 INFO L241 Difference]: Finished difference. Result has 120 places, 152 transitions, 1487 flow [2021-04-28 18:51:00,084 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=392, PETRI_DIFFERENCE_MINUEND_FLOW=1257, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=88, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1487, PETRI_PLACES=120, PETRI_TRANSITIONS=152} [2021-04-28 18:51:00,084 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -35 predicate places. [2021-04-28 18:51:00,084 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:51:00,084 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 120 places, 152 transitions, 1487 flow [2021-04-28 18:51:00,085 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 120 places, 152 transitions, 1487 flow [2021-04-28 18:51:00,086 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 119 places, 152 transitions, 1487 flow [2021-04-28 18:51:02,965 INFO L129 PetriNetUnfolder]: 17801/32729 cut-off events. [2021-04-28 18:51:02,965 INFO L130 PetriNetUnfolder]: For 123460/173159 co-relation queries the response was YES. [2021-04-28 18:51:03,273 INFO L84 FinitePrefix]: Finished finitePrefix Result has 155168 conditions, 32729 events. 17801/32729 cut-off events. For 123460/173159 co-relation queries the response was YES. Maximal size of possible extension queue 7888. Compared 373944 event pairs, 0 based on Foata normal form. 80/11764 useless extension candidates. Maximal degree in co-relation 155124. Up to 15660 conditions per place. [2021-04-28 18:51:04,214 INFO L146 LiptonReduction]: Number of co-enabled transitions 4648 [2021-04-28 18:51:05,047 INFO L158 LiptonReduction]: Checked pairs total: 1232 [2021-04-28 18:51:05,048 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:51:05,048 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4964 [2021-04-28 18:51:05,050 INFO L480 AbstractCegarLoop]: Abstraction has has 119 places, 152 transitions, 1487 flow [2021-04-28 18:51:05,051 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 295.85714285714283) internal successors, (2071), 7 states have internal predecessors, (2071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:51:05,051 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:51:05,052 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, 1, 1, 1, 1, 1] [2021-04-28 18:51:05,052 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-04-28 18:51:05,052 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:51:05,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:51:05,052 INFO L82 PathProgramCache]: Analyzing trace with hash -863456345, now seen corresponding path program 1 times [2021-04-28 18:51:05,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:51:05,053 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037957587] [2021-04-28 18:51:05,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:51:05,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:51:05,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:51:05,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:51:05,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:51:05,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:51:05,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:51:05,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:51:05,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:51:05,167 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037957587] [2021-04-28 18:51:05,168 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:51:05,168 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:51:05,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991917247] [2021-04-28 18:51:05,168 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:51:05,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:51:05,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:51:05,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:51:05,171 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 270 out of 392 [2021-04-28 18:51:05,172 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 152 transitions, 1487 flow. Second operand has 4 states, 4 states have (on average 271.0) internal successors, (1084), 4 states have internal predecessors, (1084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:51:05,172 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:51:05,172 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 270 of 392 [2021-04-28 18:51:05,172 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:51:13,327 INFO L129 PetriNetUnfolder]: 34392/63021 cut-off events. [2021-04-28 18:51:13,327 INFO L130 PetriNetUnfolder]: For 231555/313200 co-relation queries the response was YES. [2021-04-28 18:51:13,782 INFO L84 FinitePrefix]: Finished finitePrefix Result has 299913 conditions, 63021 events. 34392/63021 cut-off events. For 231555/313200 co-relation queries the response was YES. Maximal size of possible extension queue 14202. Compared 762277 event pairs, 1 based on Foata normal form. 211/22852 useless extension candidates. Maximal degree in co-relation 299867. Up to 30240 conditions per place. [2021-04-28 18:51:13,840 INFO L132 encePairwiseOnDemand]: 389/392 looper letters, 3 selfloop transitions, 1 changer transitions 28/153 dead transitions. [2021-04-28 18:51:13,840 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 153 transitions, 1499 flow [2021-04-28 18:51:13,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 18:51:13,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 18:51:13,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1086 transitions. [2021-04-28 18:51:13,846 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6926020408163265 [2021-04-28 18:51:13,846 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1086 transitions. [2021-04-28 18:51:13,846 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1086 transitions. [2021-04-28 18:51:13,847 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:51:13,847 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1086 transitions. [2021-04-28 18:51:13,849 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 271.5) internal successors, (1086), 4 states have internal predecessors, (1086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:51:13,852 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 392.0) internal successors, (1960), 5 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:51:13,852 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 392.0) internal successors, (1960), 5 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:51:13,852 INFO L185 Difference]: Start difference. First operand has 119 places, 152 transitions, 1487 flow. Second operand 4 states and 1086 transitions. [2021-04-28 18:51:13,852 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 153 transitions, 1499 flow [2021-04-28 18:53:58,236 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 153 transitions, 1197 flow, removed 66 selfloop flow, removed 11 redundant places. [2021-04-28 18:53:58,239 INFO L241 Difference]: Finished difference. Result has 113 places, 125 transitions, 894 flow [2021-04-28 18:53:58,239 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=392, PETRI_DIFFERENCE_MINUEND_FLOW=1185, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=894, PETRI_PLACES=113, PETRI_TRANSITIONS=125} [2021-04-28 18:53:58,240 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -42 predicate places. [2021-04-28 18:53:58,240 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:53:58,240 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 113 places, 125 transitions, 894 flow [2021-04-28 18:53:58,240 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 113 places, 125 transitions, 894 flow [2021-04-28 18:53:58,241 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 101 places, 125 transitions, 894 flow [2021-04-28 18:53:59,616 INFO L129 PetriNetUnfolder]: 9823/18199 cut-off events. [2021-04-28 18:53:59,616 INFO L130 PetriNetUnfolder]: For 23553/24903 co-relation queries the response was YES. [2021-04-28 18:53:59,748 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67093 conditions, 18199 events. 9823/18199 cut-off events. For 23553/24903 co-relation queries the response was YES. Maximal size of possible extension queue 3905. Compared 195310 event pairs, 0 based on Foata normal form. 15/6728 useless extension candidates. Maximal degree in co-relation 67053. Up to 8640 conditions per place. [2021-04-28 18:53:59,975 INFO L146 LiptonReduction]: Number of co-enabled transitions 2404 [2021-04-28 18:54:07,846 INFO L158 LiptonReduction]: Checked pairs total: 242 [2021-04-28 18:54:07,847 INFO L160 LiptonReduction]: Total number of compositions: 3 [2021-04-28 18:54:07,847 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9607 [2021-04-28 18:54:07,848 INFO L480 AbstractCegarLoop]: Abstraction has has 101 places, 125 transitions, 902 flow [2021-04-28 18:54:07,848 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 271.0) internal successors, (1084), 4 states have internal predecessors, (1084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:54:07,849 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:54:07,849 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, 1, 1, 1, 1, 1] [2021-04-28 18:54:07,849 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-04-28 18:54:07,849 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:54:07,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:54:07,850 INFO L82 PathProgramCache]: Analyzing trace with hash 1418560101, now seen corresponding path program 2 times [2021-04-28 18:54:07,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:54:07,850 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807318639] [2021-04-28 18:54:07,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:54:07,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 18:54:07,902 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 18:54:07,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 18:54:07,963 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 18:54:08,005 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 18:54:08,005 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 18:54:08,005 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-04-28 18:54:08,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 06:54:08 BasicIcfg [2021-04-28 18:54:08,128 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 18:54:08,129 INFO L168 Benchmark]: Toolchain (without parser) took 533325.00 ms. Allocated memory was 302.0 MB in the beginning and 15.3 GB in the end (delta: 14.9 GB). Free memory was 275.9 MB in the beginning and 9.8 GB in the end (delta: -9.5 GB). Peak memory consumption was 5.5 GB. Max. memory is 16.0 GB. [2021-04-28 18:54:08,129 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 302.0 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 18:54:08,130 INFO L168 Benchmark]: CACSL2BoogieTranslator took 817.84 ms. Allocated memory is still 302.0 MB. Free memory was 272.7 MB in the beginning and 265.9 MB in the end (delta: 6.8 MB). Peak memory consumption was 25.5 MB. Max. memory is 16.0 GB. [2021-04-28 18:54:08,130 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.93 ms. Allocated memory is still 302.0 MB. Free memory was 265.9 MB in the beginning and 263.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 18:54:08,130 INFO L168 Benchmark]: Boogie Preprocessor took 45.58 ms. Allocated memory is still 302.0 MB. Free memory was 263.0 MB in the beginning and 260.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 18:54:08,130 INFO L168 Benchmark]: RCFGBuilder took 3196.82 ms. Allocated memory was 302.0 MB in the beginning and 377.5 MB in the end (delta: 75.5 MB). Free memory was 260.5 MB in the beginning and 223.6 MB in the end (delta: 36.8 MB). Peak memory consumption was 114.0 MB. Max. memory is 16.0 GB. [2021-04-28 18:54:08,131 INFO L168 Benchmark]: TraceAbstraction took 529142.37 ms. Allocated memory was 377.5 MB in the beginning and 15.3 GB in the end (delta: 14.9 GB). Free memory was 222.6 MB in the beginning and 9.8 GB in the end (delta: -9.5 GB). Peak memory consumption was 5.3 GB. Max. memory is 16.0 GB. [2021-04-28 18:54:08,132 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 302.0 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 817.84 ms. Allocated memory is still 302.0 MB. Free memory was 272.7 MB in the beginning and 265.9 MB in the end (delta: 6.8 MB). Peak memory consumption was 25.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 69.93 ms. Allocated memory is still 302.0 MB. Free memory was 265.9 MB in the beginning and 263.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 45.58 ms. Allocated memory is still 302.0 MB. Free memory was 263.0 MB in the beginning and 260.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 3196.82 ms. Allocated memory was 302.0 MB in the beginning and 377.5 MB in the end (delta: 75.5 MB). Free memory was 260.5 MB in the beginning and 223.6 MB in the end (delta: 36.8 MB). Peak memory consumption was 114.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 529142.37 ms. Allocated memory was 377.5 MB in the beginning and 15.3 GB in the end (delta: 14.9 GB). Free memory was 222.6 MB in the beginning and 9.8 GB in the end (delta: -9.5 GB). Peak memory consumption was 5.3 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 209328.3ms, 123 PlacesBefore, 155 PlacesAfterwards, 112 TransitionsBefore, 144 TransitionsAfterwards, 2630 CoEnabledTransitionPairs, 9 FixpointIterations, 186 TrivialSequentialCompositions, 88 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 275 TotalNumberOfCompositions, 26113 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 6500, positive: 6129, positive conditional: 6129, positive unconditional: 0, negative: 371, negative conditional: 371, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2934, positive: 2849, positive conditional: 0, positive unconditional: 2849, negative: 85, negative conditional: 0, negative unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2934, positive: 2849, positive conditional: 0, positive unconditional: 2849, negative: 85, negative conditional: 0, negative unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2934, positive: 2793, positive conditional: 0, positive unconditional: 2793, negative: 141, negative conditional: 0, negative unconditional: 141, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 141, positive: 56, positive conditional: 0, positive unconditional: 56, negative: 85, negative conditional: 0, negative unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2709, positive: 368, positive conditional: 0, positive unconditional: 368, negative: 2342, negative conditional: 0, negative unconditional: 2342, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6500, positive: 3280, positive conditional: 3280, positive unconditional: 0, negative: 286, negative conditional: 286, negative unconditional: 0, unknown: 2934, unknown conditional: 2934, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2934, Positive cache size: 2849, Positive conditional cache size: 2849, Positive unconditional cache size: 0, Negative cache size: 85, Negative conditional cache size: 85, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 299.5ms, 150 PlacesBefore, 61 PlacesAfterwards, 50 TransitionsBefore, 50 TransitionsAfterwards, 1494 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1518 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 426, positive: 384, positive conditional: 384, positive unconditional: 0, negative: 42, negative conditional: 42, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 121, positive: 112, positive conditional: 7, positive unconditional: 105, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 121, positive: 112, positive conditional: 7, positive unconditional: 105, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 121, positive: 103, positive conditional: 0, positive unconditional: 103, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 18, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 271, positive: 57, positive conditional: 0, positive unconditional: 57, negative: 215, negative conditional: 0, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 426, positive: 272, positive conditional: 272, positive unconditional: 0, negative: 33, negative conditional: 33, negative unconditional: 0, unknown: 121, unknown conditional: 121, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3055, Positive cache size: 2961, Positive conditional cache size: 2961, Positive unconditional cache size: 0, Negative cache size: 94, Negative conditional cache size: 94, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 522.1ms, 62 PlacesBefore, 50 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 860 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 2094 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 980, positive: 901, positive conditional: 901, positive unconditional: 0, negative: 79, negative conditional: 79, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 155, positive: 152, positive conditional: 41, positive unconditional: 111, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 155, positive: 152, positive conditional: 41, positive unconditional: 111, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 155, positive: 102, positive conditional: 0, positive unconditional: 102, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 53, positive: 50, positive conditional: 0, positive unconditional: 50, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 420, positive: 302, positive conditional: 0, positive unconditional: 302, negative: 119, negative conditional: 0, negative unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 980, positive: 749, positive conditional: 749, positive unconditional: 0, negative: 76, negative conditional: 76, negative unconditional: 0, unknown: 155, unknown conditional: 155, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3210, Positive cache size: 3113, Positive conditional cache size: 3113, Positive unconditional cache size: 0, Negative cache size: 97, Negative conditional cache size: 97, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 28.2ms, 51 PlacesBefore, 51 PlacesAfterwards, 40 TransitionsBefore, 40 TransitionsAfterwards, 934 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 833 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 345, positive: 314, positive conditional: 314, positive unconditional: 0, negative: 31, negative conditional: 31, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 64, positive: 62, positive conditional: 13, positive unconditional: 49, 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: 64, positive: 62, positive conditional: 13, positive unconditional: 49, 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: 64, positive: 62, positive conditional: 0, positive unconditional: 62, 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: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 345, positive: 252, positive conditional: 252, positive unconditional: 0, negative: 29, negative conditional: 29, negative unconditional: 0, unknown: 64, unknown conditional: 64, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3274, Positive cache size: 3175, Positive conditional cache size: 3175, Positive unconditional cache size: 0, Negative cache size: 99, Negative conditional cache size: 99, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 125.0ms, 55 PlacesBefore, 55 PlacesAfterwards, 46 TransitionsBefore, 46 TransitionsAfterwards, 1088 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 416 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 185, positive: 171, positive conditional: 171, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29, positive: 27, positive conditional: 5, positive unconditional: 22, 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: 29, positive: 27, positive conditional: 5, positive unconditional: 22, 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: 29, positive: 27, positive conditional: 0, positive unconditional: 27, 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: 58, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 185, positive: 144, positive conditional: 144, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 29, unknown conditional: 29, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3303, Positive cache size: 3202, Positive conditional cache size: 3202, Positive unconditional cache size: 0, Negative cache size: 101, Negative conditional cache size: 101, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 187.5ms, 59 PlacesBefore, 59 PlacesAfterwards, 49 TransitionsBefore, 49 TransitionsAfterwards, 1152 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 458 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 170, positive: 155, positive conditional: 155, 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: 13, positive: 11, positive conditional: 4, positive unconditional: 7, 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: 13, positive: 11, positive conditional: 4, positive unconditional: 7, 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: 13, positive: 11, positive conditional: 0, positive unconditional: 11, 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: 114, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 170, positive: 144, positive conditional: 144, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3316, Positive cache size: 3213, Positive conditional cache size: 3213, Positive unconditional cache size: 0, Negative cache size: 103, Negative conditional cache size: 103, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 97.0ms, 64 PlacesBefore, 64 PlacesAfterwards, 55 TransitionsBefore, 55 TransitionsAfterwards, 1326 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 443 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 86, positive: 74, positive conditional: 74, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 4, 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: 6, positive: 6, positive conditional: 4, 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: 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] , 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: 86, positive: 68, positive conditional: 68, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3322, Positive cache size: 3219, Positive conditional cache size: 3219, Positive unconditional cache size: 0, Negative cache size: 103, Negative conditional cache size: 103, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 96.6ms, 67 PlacesBefore, 67 PlacesAfterwards, 55 TransitionsBefore, 55 TransitionsAfterwards, 1322 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 443 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 87, positive: 75, positive conditional: 75, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 2, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 2, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, 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: 87, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3325, Positive cache size: 3222, Positive conditional cache size: 3222, Positive unconditional cache size: 0, Negative cache size: 103, Negative conditional cache size: 103, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 101.2ms, 77 PlacesBefore, 77 PlacesAfterwards, 69 TransitionsBefore, 69 TransitionsAfterwards, 1586 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 741 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 90, positive: 72, positive conditional: 72, 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: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 90, positive: 67, positive conditional: 67, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3330, Positive cache size: 3227, Positive conditional cache size: 3227, Positive unconditional cache size: 0, Negative cache size: 103, Negative conditional cache size: 103, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 127.9ms, 82 PlacesBefore, 82 PlacesAfterwards, 78 TransitionsBefore, 78 TransitionsAfterwards, 1822 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1155 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 155, positive: 130, positive conditional: 130, 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: 15, positive: 15, positive conditional: 14, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 15, positive: 15, positive conditional: 14, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 15, positive: 15, positive conditional: 0, positive unconditional: 15, 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: 155, positive: 115, positive conditional: 115, positive unconditional: 0, negative: 25, negative conditional: 25, negative unconditional: 0, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3345, Positive cache size: 3242, Positive conditional cache size: 3242, Positive unconditional cache size: 0, Negative cache size: 103, Negative conditional cache size: 103, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 167.8ms, 86 PlacesBefore, 86 PlacesAfterwards, 81 TransitionsBefore, 81 TransitionsAfterwards, 1892 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1282 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 189, positive: 162, positive conditional: 162, positive unconditional: 0, negative: 27, negative conditional: 27, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17, positive: 17, positive conditional: 16, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 17, positive: 17, positive conditional: 16, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 17, positive: 17, positive conditional: 0, positive unconditional: 17, 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: 189, positive: 145, positive conditional: 145, positive unconditional: 0, negative: 27, negative conditional: 27, negative unconditional: 0, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3362, Positive cache size: 3259, Positive conditional cache size: 3259, Positive unconditional cache size: 0, Negative cache size: 103, Negative conditional cache size: 103, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 148.8ms, 90 PlacesBefore, 90 PlacesAfterwards, 83 TransitionsBefore, 83 TransitionsAfterwards, 1950 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1403 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 131, positive: 102, positive conditional: 102, positive unconditional: 0, negative: 29, negative conditional: 29, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 131, positive: 97, positive conditional: 97, positive unconditional: 0, negative: 29, negative conditional: 29, negative unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3367, Positive cache size: 3264, Positive conditional cache size: 3264, Positive unconditional cache size: 0, Negative cache size: 103, Negative conditional cache size: 103, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 202.6ms, 92 PlacesBefore, 92 PlacesAfterwards, 90 TransitionsBefore, 90 TransitionsAfterwards, 2116 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1697 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 198, positive: 164, positive conditional: 164, positive unconditional: 0, negative: 34, negative conditional: 34, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, positive: 16, positive conditional: 15, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 16, positive: 16, positive conditional: 15, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 16, positive: 16, positive conditional: 0, positive unconditional: 16, 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: 198, positive: 148, positive conditional: 148, positive unconditional: 0, negative: 34, negative conditional: 34, negative unconditional: 0, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3383, Positive cache size: 3280, Positive conditional cache size: 3280, Positive unconditional cache size: 0, Negative cache size: 103, Negative conditional cache size: 103, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2874.4ms, 96 PlacesBefore, 96 PlacesAfterwards, 115 TransitionsBefore, 115 TransitionsAfterwards, 3312 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1918 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 687, positive: 658, positive conditional: 658, positive unconditional: 0, negative: 29, negative conditional: 29, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 53, positive: 53, positive conditional: 41, positive unconditional: 12, 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: 53, positive: 53, positive conditional: 41, positive unconditional: 12, 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: 53, positive: 53, positive conditional: 0, positive unconditional: 53, 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: 687, positive: 605, positive conditional: 605, positive unconditional: 0, negative: 29, negative conditional: 29, negative unconditional: 0, unknown: 53, unknown conditional: 53, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3436, Positive cache size: 3333, Positive conditional cache size: 3333, Positive unconditional cache size: 0, Negative cache size: 103, Negative conditional cache size: 103, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4678.0ms, 100 PlacesBefore, 100 PlacesAfterwards, 116 TransitionsBefore, 116 TransitionsAfterwards, 3372 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1114 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 668, positive: 652, positive conditional: 652, 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: 9, positive: 9, positive conditional: 9, 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: 9, positive: 9, positive conditional: 9, 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: 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: 668, positive: 643, positive conditional: 643, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3445, Positive cache size: 3342, Positive conditional cache size: 3342, Positive unconditional cache size: 0, Negative cache size: 103, Negative conditional cache size: 103, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4933.0ms, 105 PlacesBefore, 105 PlacesAfterwards, 136 TransitionsBefore, 136 TransitionsAfterwards, 4332 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1172 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 580, positive: 566, positive conditional: 566, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 34, positive: 34, positive conditional: 25, positive unconditional: 9, 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: 34, positive: 34, positive conditional: 25, positive unconditional: 9, 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: 34, positive: 34, positive conditional: 0, positive unconditional: 34, 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: 580, positive: 532, positive conditional: 532, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 34, unknown conditional: 34, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3479, Positive cache size: 3376, Positive conditional cache size: 3376, Positive unconditional cache size: 0, Negative cache size: 103, Negative conditional cache size: 103, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9092.7ms, 105 PlacesBefore, 105 PlacesAfterwards, 136 TransitionsBefore, 136 TransitionsAfterwards, 4330 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1172 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 82, positive: 68, positive conditional: 68, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12, positive: 11, positive conditional: 10, positive unconditional: 1, 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: 12, positive: 11, positive conditional: 10, positive unconditional: 1, 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: 12, positive: 11, positive conditional: 0, positive unconditional: 11, 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: 42, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 82, positive: 57, positive conditional: 57, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3491, Positive cache size: 3387, Positive conditional cache size: 3387, Positive unconditional cache size: 0, Negative cache size: 104, Negative conditional cache size: 104, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6871.6ms, 113 PlacesBefore, 113 PlacesAfterwards, 151 TransitionsBefore, 151 TransitionsAfterwards, 4702 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1174 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 59, positive: 46, positive conditional: 46, 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: 8, positive: 8, positive conditional: 8, 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: 8, positive: 8, positive conditional: 8, 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: 8, positive: 8, positive conditional: 0, positive unconditional: 8, 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: 59, positive: 38, positive conditional: 38, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3499, Positive cache size: 3395, Positive conditional cache size: 3395, Positive unconditional cache size: 0, Negative cache size: 104, Negative conditional cache size: 104, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4963.0ms, 120 PlacesBefore, 119 PlacesAfterwards, 152 TransitionsBefore, 152 TransitionsAfterwards, 4648 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1232 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 614, positive: 600, positive conditional: 600, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 89, positive: 89, positive conditional: 87, 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: 89, positive: 89, positive conditional: 87, 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: 89, positive: 89, positive conditional: 0, positive unconditional: 89, 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: 614, positive: 511, positive conditional: 511, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 89, unknown conditional: 89, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3588, Positive cache size: 3484, Positive conditional cache size: 3484, Positive unconditional cache size: 0, Negative cache size: 104, Negative conditional cache size: 104, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9606.5ms, 113 PlacesBefore, 101 PlacesAfterwards, 125 TransitionsBefore, 125 TransitionsAfterwards, 2404 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 242 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 242, positive: 242, positive conditional: 242, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 158, positive: 158, positive conditional: 142, positive unconditional: 16, 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: 158, positive: 158, positive conditional: 142, positive unconditional: 16, 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: 158, positive: 158, positive conditional: 0, positive unconditional: 158, 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: 242, positive: 84, positive conditional: 84, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 158, unknown conditional: 158, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3746, Positive cache size: 3642, Positive conditional cache size: 3642, Positive unconditional cache size: 0, Negative cache size: 104, Negative conditional cache size: 104, 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: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p2_EAX = 0; [L714] 0 int __unbuffered_p3_EAX = 0; [L716] 0 int __unbuffered_p3_EBX = 0; [L718] 0 int a = 0; [L719] 0 _Bool main$tmp_guard0; [L720] 0 _Bool main$tmp_guard1; [L722] 0 int x = 0; [L724] 0 int y = 0; [L725] 0 _Bool y$flush_delayed; [L726] 0 int y$mem_tmp; [L727] 0 _Bool y$r_buff0_thd0; [L728] 0 _Bool y$r_buff0_thd1; [L729] 0 _Bool y$r_buff0_thd2; [L730] 0 _Bool y$r_buff0_thd3; [L731] 0 _Bool y$r_buff0_thd4; [L732] 0 _Bool y$r_buff1_thd0; [L733] 0 _Bool y$r_buff1_thd1; [L734] 0 _Bool y$r_buff1_thd2; [L735] 0 _Bool y$r_buff1_thd3; [L736] 0 _Bool y$r_buff1_thd4; [L737] 0 _Bool y$read_delayed; [L738] 0 int *y$read_delayed_var; [L739] 0 int y$w_buff0; [L740] 0 _Bool y$w_buff0_used; [L741] 0 int y$w_buff1; [L742] 0 _Bool y$w_buff1_used; [L744] 0 int z = 0; [L745] 0 _Bool weak$$choice0; [L746] 0 _Bool weak$$choice2; [L846] 0 pthread_t t577; [L847] FCALL, FORK 0 pthread_create(&t577, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L848] 0 pthread_t t578; [L849] FCALL, FORK 0 pthread_create(&t578, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_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, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L850] 0 pthread_t t579; [L851] FCALL, FORK 0 pthread_create(&t579, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_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, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L785] 3 y$w_buff1 = y$w_buff0 [L786] 3 y$w_buff0 = 2 [L787] 3 y$w_buff1_used = y$w_buff0_used [L788] 3 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 3 !(!expression) [L790] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L791] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L792] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L793] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L794] 3 y$r_buff1_thd4 = y$r_buff0_thd4 [L795] 3 y$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L798] 3 __unbuffered_p2_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_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, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L852] 0 pthread_t t580; [L853] FCALL, FORK 0 pthread_create(&t580, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_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, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L815] 4 z = 1 [L818] 4 __unbuffered_p3_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, 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, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L821] 4 __unbuffered_p3_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, 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, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L750] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, 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, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L753] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, 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, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L765] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, 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=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L768] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, 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=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L801] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L801] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L802] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L802] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L803] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L803] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L804] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L804] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L805] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L805] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L771] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L771] EXPR 2 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y [L771] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L771] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L772] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L772] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L773] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L773] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L774] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L774] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L775] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L775] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L824] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L824] EXPR 4 y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y [L824] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L824] 4 y = y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L825] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$w_buff0_used [L825] 4 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$w_buff0_used [L826] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$w_buff1_used [L826] 4 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$w_buff1_used [L827] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$r_buff0_thd4 [L827] 4 y$r_buff0_thd4 = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$r_buff0_thd4 [L828] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$r_buff1_thd4 [L828] 4 y$r_buff1_thd4 = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$r_buff1_thd4 [L758] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L760] 1 return 0; [L778] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L780] 2 return 0; VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, 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=2, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L808] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, 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=2, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L831] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L833] 4 return 0; VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, 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=2, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L855] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L859] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L859] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L859] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L859] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L860] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L860] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L861] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L861] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L862] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L862] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L863] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L863] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L866] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L867] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L868] 0 y$flush_delayed = weak$$choice2 [L869] 0 y$mem_tmp = y [L870] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L870] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L871] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L871] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L872] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L872] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L873] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L873] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L874] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L874] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L875] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L875] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L876] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L876] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L877] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L878] EXPR 0 y$flush_delayed ? y$mem_tmp : y [L878] 0 y = y$flush_delayed ? y$mem_tmp : y [L879] 0 y$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 115 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 17.0ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 528799.5ms, OverallIterations: 20, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 269380.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 209459.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 83 SDtfs, 68 SDslu, 30 SDs, 0 SdLazy, 850 SolverSat, 335 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2039.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 2690.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1578occurred in iteration=17, InterpolantAutomatonStates: 102, 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: 97.6ms SsaConstructionTime, 798.8ms SatisfiabilityAnalysisTime, 3379.8ms InterpolantComputationTime, 330 NumberOfCodeBlocks, 330 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 285 ConstructedInterpolants, 0 QuantifiedInterpolants, 2566 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 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...